{"id":3826,"date":"2026-05-05T08:10:42","date_gmt":"2026-05-05T08:10:42","guid":{"rendered":"https:\/\/nbaem.com\/?p=3826"},"modified":"2026-06-27T11:52:37","modified_gmt":"2026-06-27T11:52:37","slug":"smco-magnet-applications","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/smco-magnet-applications\/","title":{"rendered":"\u1ee8ng d\u1ee5ng nam ch\u00e2m SmCo Cao nhi\u1ec7t \u0111\u1ed9"},"content":{"rendered":"<p>L\u1ef1a ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t \u0111\u1ed9t ph\u00e1 v\u00e0 m\u1ed9t s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng ho\u00e0n to\u00e0n. Trong khi Neodymium th\u01b0\u1eddng nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 n\u1ed5i b\u1eadt, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Samarium%E2%80%93cobalt_magnet\" target=\"_blank\" rel=\"noopener\"><strong>Cobalt Samari (SmCo)<\/strong><\/a> l\u00e0 s\u1ee9c m\u1ea1nh l\u00e0m vi\u1ec7c th\u1ef1c s\u1ef1 cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u01a1i s\u1ef1 c\u1ed1 l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3.<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c l\u00fd do t\u1ea1i sao <strong>\u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo<\/strong> l\u1ea1i l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng cho <strong>\u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong> v\u00e0 <strong>kh\u00e1ng \u0103n m\u00f2n<\/strong>. Cho d\u00f9 b\u1ea1n \u0111ang thi\u1ebft k\u1ebf <strong>c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p<\/strong>, <strong>nam ch\u00e2m c\u1ea5p h\u00e0ng kh\u00f4ng<\/strong>, ho\u1eb7c <strong>\u0111\u1ed9ng c\u01a1 hi\u1ec7u qu\u1ea3 cao<\/strong>, hi\u1ec3u s\u1ef1 chuy\u1ec3n \u0111\u1ed5i chi\u1ebfn l\u01b0\u1ee3c t\u1eeb NdFeB sang <strong>Sm2Co17<\/strong> l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho <strong>hi\u1ec7u su\u1ea5t m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/strong>.<\/p>\n<p>At <strong>NBAEM<\/strong>, ch\u00fang t\u00f4i chuy\u00ean v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c <strong>gi\u1ea3i ph\u00e1p t\u1eeb t\u00ednh<\/strong> \u1ee9ng d\u1ee5ng t\u1ed3n t\u1ea1i \u1edf n\u01a1i ng\u01b0\u1eddi kh\u00e1c th\u1ea5t b\u1ea1i. H\u00e3y \u0111i s\u00e2u v\u00e0o c\u00e1ch m\u00e0 \u0111i\u1ec1u n\u00e0y <strong>v\u1eadt li\u1ec7u nam ch\u00e2m v\u0129nh vi\u1ec5n \u0111\u1ea5t hi\u1ebfm<\/strong> c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a l\u1ea1i \u0111\u1ed9 tin c\u1eady cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<h2>SmCo so v\u1edbi Neodymium: S\u1ef1 chuy\u1ec3n d\u1ecbch chi\u1ebfn l\u01b0\u1ee3c<\/h2>\n<p>L\u00e0 m\u1ed9t k\u1ef9 s\u01b0 ho\u1eb7c ng\u01b0\u1eddi thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m, vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m v\u0129nh vi\u1ec5n \u0111\u1ea5t hi\u1ebfm c\u00f3 th\u1ec3 l\u00e0m n\u00ean ho\u1eb7c ph\u00e1 v\u1ee1 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Trong khi Neodymium th\u01b0\u1eddng nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ch\u00fa \u00fd cho s\u1ee9c m\u1ea1nh thu\u1ea7n t\u00fay, t\u00f4i li\u00ean t\u1ee5c th\u1ea5y c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ef1 chuy\u1ec3n d\u1ecbch chi\u1ebfn l\u01b0\u1ee3c sang <strong>\u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo<\/strong> khi th\u1ea5t b\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn. Khi b\u1ea1n x\u1eed l\u00fd v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, Samarium Cobalt l\u00e0 ng\u01b0\u1eddi gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 t\u1ed1i th\u01b0\u1ee3ng.<\/p>\n<h3>\u1ed4n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n<p>Nam ch\u00e2m Neodymium b\u1eaft \u0111\u1ea7u m\u1ea5t l\u1ef1c k\u00e9o \u1edf kho\u1ea3ng 80\u00b0C \u0111\u1ebfn 200\u00b0C. N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 nghi\u00eam tr\u1ecdng, b\u1ea1n c\u1ea7n m\u1ed9t h\u01b0\u1edbng ti\u1ebfp c\u1eadn kh\u00e1c. Nam ch\u00e2m SmCo c\u00f3 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao <strong>nhi\u1ec7t \u0111\u1ed9 Curie<\/strong> (l\u00ean t\u1edbi 800\u00b0C) v\u00e0 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o \u1edf nhi\u1ec7t \u0111\u1ed9 li\u00ean t\u1ee5c l\u00ean t\u1edbi 350\u00b0C.<\/p>\n<ul>\n<li><strong>kh\u00f4ng b\u1ecb demagnetization nhi\u1ec7t:<\/strong> Duy tr\u00ec m\u1eadt \u0111\u1ed9 t\u1eeb th\u00f4ng ngay c\u1ea3 khi nhi\u1ec7t \u0111\u1ed9 n\u00f3ng b\u1ecfng.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady:<\/strong> Ho\u00e0n h\u1ea3o cho \u0111\u1ed9ng c\u01a1 v\u00e0 c\u1ea3m bi\u1ebfn t\u1ed1c \u0111\u1ed9 cao ch\u1ea1y \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li><strong>\u0110\u1ea7u ra \u0111\u1ed3ng nh\u1ea5t:<\/strong> Cung c\u1ea5p \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng dao \u0111\u1ed9ng qua c\u00e1c chu tr\u00ecnh l\u00e0m vi\u1ec7c kh\u1eaft khe.<\/li>\n<\/ul>\n<h3>Kh\u00e1ng \u0103n m\u00f2n m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7<\/h3>\n<p>M\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 l\u1edbn nh\u1ea5t v\u1edbi Neodymium l\u00e0 kh\u1ea3 n\u0103ng b\u1ecb g\u1ec9, \u0111\u00f2i h\u1ecfi l\u1edbp b\u1ea3o v\u1ec7 b\u1eb1ng Nickel ho\u1eb7c epoxy. SmCo ho\u00e0n to\u00e0n b\u1ecf qua v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<ul>\n<li><strong>Kh\u00e1ng \u0103n m\u00f2n t\u00edch h\u1ee3p:<\/strong> Th\u00e0nh ph\u1ea7n h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t t\u1ef1 nhi\u00ean ch\u1ed1ng oxy h\u00f3a v\u00e0 c\u00e1c h\u00f3a ch\u1ea5t kh\u1eafc nghi\u1ec7t.<\/li>\n<li><strong>Kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7:<\/strong> Ti\u1ebft ki\u1ec7m th\u1eddi gian s\u1ea3n xu\u1ea5t v\u00e0 lo\u1ea1i b\u1ecf r\u1ee7i ro l\u1edbp b\u1ea3o v\u1ec7 bong tr\u00f3c b\u00ean trong m\u00e1y m\u00f3c nh\u1ea1y c\u1ea3m.<\/li>\n<li><strong>Kh\u00e1ng \u1ea9m:<\/strong> Ho\u1ea1t \u0111\u1ed9ng xu\u1ea5t s\u1eafc trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c bi\u1ec3n m\u00e0 kh\u00f4ng suy gi\u1ea3m.<\/li>\n<\/ul>\n<h3>\u1ed4n \u0111\u1ecbnh t\u1eeb v\u00e0 h\u1ec7 s\u1ed1 thu\u1eadn ngh\u1ecbch<\/h3>\n<p>Khi \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 then ch\u1ed1t, \u1ed5n \u0111\u1ecbnh t\u1eeb r\u1ea5t quan tr\u1ecdng. SmCo mang l\u1ea1i h\u1ec7 s\u1ed1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a t\u1eeb d\u01b0 \u1edf m\u1ee9c c\u1ef1c th\u1ea5p <strong>h\u1ec7 s\u1ed1 t\u1eeb d\u01b0 theo nhi\u1ec7t \u0111\u1ed9<\/strong>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ea7u ra t\u1eeb tr\u01b0\u1eddng \uac70\uc758 kh\u00f4ng dao \u0111\u1ed9ng khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng gi\u1ea3m nhanh, \u0111\u1ea3m b\u1ea3o c\u1ea3m bi\u1ebfn v\u00e0 c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n ho\u00e0n h\u1ea3o.<\/p>\n<p><strong>So s\u00e1nh nhanh: SmCo so v\u1edbi Neodymium<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th style=\"text-align: left;\">Nam ch\u00e2m SmCo<\/th>\n<th style=\"text-align: left;\">Nam ch\u00e2m Neodymium<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a<\/strong><\/td>\n<td style=\"text-align: left;\">L\u00ean \u0111\u1ebfn 350\u00b0C<\/td>\n<td style=\"text-align: left;\">\u0110\u1ebfn 200\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/td>\n<td style=\"text-align: left;\">Xu\u1ea5t s\u1eafc (kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7)<\/td>\n<td style=\"text-align: left;\">K\u00e9m (y\u00eau c\u1ea7u l\u1edbp ph\u1ee7)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t<\/strong><\/td>\n<td style=\"text-align: left;\">Xu\u1ea5t s\u1eafc n\u1ed5i b\u1eadt<\/td>\n<td style=\"text-align: left;\">V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/td>\n<td style=\"text-align: left;\">Hi\u1ec7u su\u1ea5t \u1edf m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/td>\n<td style=\"text-align: left;\">\u0110i\u1ec7n t\u1eed ti\u00eau d\u00f9ng ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng nam ch\u00e2m SmCo trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 qu\u1ed1c ph\u00f2ng<\/h2>\n<p>Trong c\u00e1c ng\u00e0nh h\u00e0ng kh\u00f4ng v\u00e0 qu\u1ed1c ph\u00f2ng, s\u1ef1 c\u1ed1 l\u00e0 kh\u00f4ng c\u00f3 l\u1ef1a ch\u1ecdn. Ch\u00fang t\u00f4i \u01b0u ti\u00ean nam ch\u00e2m SmCo cho c\u00e1c ng\u00e0nh n\u00e0y v\u00ec ch\u00fang mang l\u1ea1i \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i d\u01b0\u1edbi nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t nh\u1ea5t. D\u00f9 l\u00e0 nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c hay ch\u00e2n kh\u00f4ng \u0111\u00f3ng b\u0103ng c\u1ee7a kh\u00f4ng gian, nh\u1eefng <strong>pa\u0301t nam ch\u00e2m v\u0129nh vi\u1ec5n \u0111\u1ea5t hi\u1ebfm<\/strong> duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang khi nh\u1eefng nam ch\u00e2m kh\u00e1c th\u1ea5t b\u1ea1i.<\/p>\n<h3>C\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng v\u00e0 c\u1ea3m bi\u1ebfn trong h\u1ec7 th\u1ed1ng bay<\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ebfn bay hi\u1ec7n \u0111\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ch\u00ednh x\u00e1c. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng nam ch\u00e2m SmCo trong <strong>c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p<\/strong> v\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ec1 m\u1eb7t \u0111i\u1ec1u khi\u1ec3n nh\u01b0 thanh ng\u00e1p v\u00e0 b\u00e1nh l\u00e1i di chuy\u1ec3n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i.<\/p>\n<ul>\n<li><strong>\u1ed4n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/strong> SmCo v\u1eabn duy tr\u00ec s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh ngay c\u1ea3 khi \u0111\u1eb7t g\u1ea7n \u0111\u1ed9ng c\u01a1 ph\u00e1t nhi\u1ec7t.<\/li>\n<li><strong>Kh\u00e1ng ch\u1ed1ng suy t\u1eeb:<\/strong> Nh\u1eefng nam ch\u00e2m n\u00e0y ch\u1ed1ng ch\u1ecbu c\u00e1c tr\u01b0\u1eddng t\u1eeb ngo\u00e0i v\u00e0 rung \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn tr\u00ean thi\u1ebft b\u1ecb qu\u00e2n s\u1ef1.<\/li>\n<li><strong>\u0110\u1ed9 tin c\u1eady:<\/strong> V\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/nbaem.com\/vi\/samarium-cobalt-magnet-data-sheet\/\">T\u00e0i li\u1ec7u d\u1eef li\u1ec7u nam ch\u00e2m samari cobalt<\/a> nh\u1ea5n m\u1ea1nh m\u1eadt \u0111\u1ed9 t\u1eeb th\u00f4ng \u1ed5n \u0111\u1ecbnh c\u1ea7n thi\u1ebft cho c\u00e1c c\u1ea3m bi\u1ebfn bay quan tr\u1ecdng c\u1ee7a nhi\u1ec7m v\u1ee5.<\/li>\n<\/ul>\n<h3>Chi\u1ebfn tranh \u0111i\u1ec7n t\u1eed v\u00e0 \u1ed5n \u0111\u1ecbnh t\u1ea7n s\u1ed1 cao<\/h3>\n<p>H\u1ec7 th\u1ed1ng \u0111i\u1ec7n t\u1eed chi\u1ebfn v\u00e0 radar \u0111\u00f2i h\u1ecfi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng b\u1ecb drift. SmCo l\u00e0 ti\u00eau chu\u1ea9n ng\u00e0nh cho C\u00e1c \u1ed1ng s\u00f3ng di chuy\u1ec3n (TWT) v\u00e0 thi\u1ebft b\u1ecb truy\u1ec1n th\u00f4ng t\u1ea7n s\u1ed1 cao. Its low <strong>h\u1ec7 s\u1ed1 t\u1eeb d\u01b0 theo nhi\u1ec7t \u0111\u1ed9<\/strong> \u0111\u1ea3m b\u1ea3o \u0111\u1ea7u ra t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh, ng\u0103n ng\u1eeba suy gi\u1ea3m hi\u1ec7u su\u1ea5t trong qu\u00e1 tr\u00ecnh t\u1ed5n nhi\u1ec7t nhanh. S\u1ef1 \u1ed5n \u0111\u1ecbnh n\u00e0y l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 duy tr\u00ec kh\u1ea3 n\u0103ng li\u00ean l\u1ea1c v\u00e0 nh\u1eafm m\u1ee5c ti\u00eau r\u00f5 r\u00e0ng trong m\u00f4i tr\u01b0\u1eddng Cam go.<\/p>\n<h3>Nghi\u00ean c\u1ee9u V\u0169 tr\u1ee5 v\u00e0 Hi\u1ec7u su\u1ea5t Cryogenic<\/h3>\n<p>C\u00e1c nhi\u1ec7m v\u1ee5 \u1edf kh\u00f4ng gian s\u00e2u \u0111\u1eb7t ra th\u00e1ch th\u1ee9c \u0111\u1eb7c bi\u1ec7t: l\u1ea1nh c\u1ef1c \u0111\u1ed9. Trong khi nhi\u1ec1u v\u1eadt li\u1ec7u tr\u1edf n\u00ean gi\u00f2n ho\u1eb7c m\u1ea5t hi\u1ec7u qu\u1ea3 t\u1eeb t\u00ednh, <strong>Sintered Samarium Cobalt<\/strong> l\u00e0m t\u1ed1t \u1edf nhi\u1ec7t \u0111\u1ed9 cryogenic.<\/p>\n<ul>\n<li><strong>Hi\u1ec7u su\u1ea5t m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t:<\/strong> Nam ch\u00e2m SmCo c\u1ea5p ngu\u1ed3n cho c\u00e1c \u1ed5 \u0111\u1ee1 v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111\u1ecbnh v\u1ecb tr\u00ean v\u1ec7 tinh v\u00e0 xe t\u1ef1 h\u00e0nh.<\/li>\n<li><strong>C\u01b0\u1eddng \u0111\u1ed9 BHmax:<\/strong> H\u1ecd cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 cao <strong>n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng (BHmax)<\/strong>, cho ph\u00e9p c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf h\u01a1n, nh\u1eb9 h\u01a1n\u2014m\u1ed9t y\u1ebfu t\u1ed1 then ch\u1ed1t khi m\u1ed7i gram tr\u1ecdng l\u01b0\u1ee3ng ph\u00f3ng l\u00ean c\u00f3 gi\u00e1 h\u00e0ng ngh\u00ecn \u0111\u00f4 la.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n:<\/strong> Kh\u00e1c v\u1edbi neodymium, SmCo ch\u1ecbu \u0111\u01b0\u1ee3c oxi h\u00f3a trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u1ee7a kh\u00f4ng gian m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 n\u1eb7ng.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf nh\u1eefng h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p n\u00e0y, hi\u1ec3u bi\u1ebft v\u1ec1 <a href=\"https:\/\/nbaem.com\/vi\/guide-to-rare-earth-magnets\/\">h\u01b0\u1edbng d\u1eabn v\u1ec1 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/a> l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i grade th\u00edch h\u1ee3p nh\u1eb1m x\u1eed l\u00fd c\u00e1c \u1ee9ng d\u1ee5ng ph\u00f2ng th\u1ee7 c\u00f3 \u00e1p l\u1ef1c cao.<\/p>\n<h2>\u0110\u1ed5i m\u1edbi trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/h2>\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 lu\u00f4n kh\u00f4ng ng\u1eebng m\u1edf r\u1ed9ng gi\u1edbi h\u1ea1n, v\u00e0 nhi\u1ec7t l\u00e0 k\u1ebb th\u00f9 t\u1ed1i th\u01b0\u1ee3ng c\u1ee7a hi\u1ec7u su\u1ea5t c\u01a1 kh\u00ed. Khi ch\u00fang ta nh\u00ecn v\u00e0o thi\u1ebft k\u1ebf ph\u01b0\u01a1ng ti\u1ec7n hi\u1ec7n \u0111\u1ea1i, <strong>\u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo<\/strong> \u0111ang l\u00ean v\u1ecb tr\u00ed trung t\u00e2m v\u00ec ch\u00fang ph\u00e1t tri\u1ec3n m\u1ea1nh \u1edf n\u01a1i v\u1eadt li\u1ec7u th\u00f4ng th\u01b0\u1eddng th\u1ea5t b\u1ea1i. S\u1ef1 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao tuy\u1ec7t v\u1eddi c\u1ee7a ch\u00fang l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c th\u00e0nh ph\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 t\u1ed1c \u0111\u1ed9 nhanh.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u00e1ch nh\u1eefng nam ch\u00e2m n\u00e0y th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi trong ng\u00e0nh \u00f4 t\u00f4:<\/p>\n<ul>\n<li><strong>H\u1ec7 truy\u1ec1n \u0111\u1ed9ng EV Hi\u1ec7u su\u1ea5t cao<\/strong> \u0110\u1ed9ng c\u01a1 xe \u0111i\u1ec7n sinh ra l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn trong qu\u00e1 tr\u00ecnh t\u0103ng t\u1ed1c nhanh. Nam ch\u00e2m SmCo duy tr\u00ec n\u0103ng l\u01b0\u1ee3ng t\u1eeb v\u00e0 hi\u1ec7u \u0111i\u1ec7n th\u1ebf t\u1eeb m\u00e0 kh\u00f4ng suy gi\u1ea3m, \u0111\u1ea3m b\u1ea3o c\u1ea5p ngu\u1ed3n li\u00ean t\u1ee5c. Hi\u1ec3u gi\u1edbi h\u1ea1n nhi\u1ec7t c\u1ee7a <a href=\"https:\/\/nbaem.com\/vi\/magnetization-and-demagnetization-for-permanent-magnet\/\">l\u00e0 s\u1ef1 t\u1eeb h\u00f3a v\u00e0 m\u1ea5t t\u1eeb h\u00f3a \u0111\u1ed1i v\u1edbi nam ch\u00e2m v\u0129nh vi\u1ec5n<\/a> l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng khi thi\u1ebft k\u1ebf c\u00e1c rotor t\u1ed1c \u0111\u1ed9 cao n\u00e0y \u0111\u1ec3 ng\u0103n m\u1ea5t c\u00f4ng su\u1ea5t.<\/li>\n<li><strong>Turbochargers v\u00e0 c\u1ea3m bi\u1ebfn exhaust:<\/strong> \u0110\u1ed9ng c\u01a1 \u0111\u1ed1t trong v\u00e0 h\u1ec7 th\u1ed1ng x\u1ea3 t\u1ea1o ra \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t. SmCo mang l\u1ea1i hi\u1ec7u su\u1ea5t \u1edf m\u00f4i tr\u01b0\u1eddng c\u1ef1c \u0111oan, cho ph\u00e9p c\u1ea3m bi\u1ebfn \u0111\u1ecdc d\u1eef li\u1ec7u ch\u00ednh x\u00e1c ngay b\u00ean c\u1ea1nh c\u1ed5 p\u00f4 x\u1ea3 \u0111ang n\u00f3ng r\u1ef1c.<\/li>\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c phanh v\u00e0 \u0111i\u1ec1u khi\u1ec3n l\u00e1i:<\/strong> H\u1ec7 th\u1ed1ng an to\u00e0n quan tr\u1ecdng kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 suy gi\u1ea3m \u0111\u1ed9t ng\u1ed9t m\u1eadt \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng. Ch\u00fang t\u00f4i d\u1ef1a v\u00e0o c\u00e1c gi\u1ea3i ph\u00e1p t\u1eeb t\u00ednh NBAEM \u0111\u1ec3 gi\u1eef cho h\u1ec7 th\u1ed1ng tr\u1ee3 l\u1ef1c l\u00e1i \u0111i\u1ec7n v\u00e0 c\u01a1 c\u1ea5u phanh ch\u1ed1ng kh\u00f3a c\u00f3 \u0111\u1ed9 nh\u1ea1y cao, b\u1ea5t k\u1ec3 nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi n\u1eafp \u0111\u1ed9ng c\u01a1 l\u00e0 bao nhi\u00eau.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch ch\u1ed1ng suy gi\u1ea3m nhi\u1ec7t, SmCo \u0111\u1ea3m b\u1ea3o xe th\u1ebf h\u1ec7 ti\u1ebfp theo v\u1eabn an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 m\u1ea1nh m\u1ebd tr\u00ean \u0111\u01b0\u1eddng.<\/p>\n<h2>\u1ee8ng d\u1ee5ng nam ch\u00e2m SmCo trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 n\u0103ng l\u01b0\u1ee3ng<\/h2>\n<p>Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u1eb7ng v\u00e0 s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng, thi\u1ebft b\u1ecb ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng s\u1ebd ph\u00e1 h\u1ecfng c\u00e1c th\u00e0nh ph\u1ea7n ti\u00eau chu\u1ea9n. Ch\u00fang t\u00f4i t\u00edch h\u1ee3p nam ch\u00e2m SmCo v\u00e0o c\u00e1c ng\u00e0nh n\u00e0y v\u00ec ch\u00fang c\u00f3 th\u1ec3 <strong>hi\u1ec7u su\u1ea5t m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/strong> \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u cho th\u1eddi gian v\u1eadn h\u00e0nh li\u00ean t\u1ee5c d\u01b0\u1edbi c\u0103ng th\u1eb3ng nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc cao.<\/p>\n<h3>Khoan d\u1ea7u v\u00e0 kh\u00ed \u1edf \u0111\u1ed9 s\u00e2u<\/h3>\n<p>Kh\u00e1m ph\u00e1 d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 200\u00b0C. Ch\u00fang t\u00f4i d\u1ef1a v\u00e0o <strong>Sintered Samarium Cobalt<\/strong> cho c\u00e1c c\u00f4ng c\u1ee5 MWD (\u0110o l\u01b0\u1eddng khi Khoan) v\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ecbnh h\u01b0\u1edbng b\u1edfi v\u00ec kh\u1ea3 n\u0103ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3 <strong>\u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong>. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c, SmCo duy tr\u00ec <strong>gi\u00e1 tr\u1ecb m\u1eadt \u0111\u1ed9 flux t\u1eeb<\/strong>, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c d\u1eef li\u1ec7u khi khoan h\u00e0ng d\u1eb7m d\u01b0\u1edbi b\u1ec1 m\u1eb7t.<\/p>\n<h3>Li\u00ean k\u1ebft t\u1eeb t\u00ednh cho b\u01a1m h\u00f3a ch\u1ea5t<\/h3>\n<p>\u0110\u1ed1i v\u1edbi x\u1eed l\u00fd ch\u1ea5t l\u1ecfng \u0111\u1ed9c h\u1ea1i ho\u1eb7c \u0103n m\u00f2n, v\u1eadn h\u00e0nh kh\u00f4ng r\u00f2 r\u1ec9 l\u00e0 b\u1eaft bu\u1ed9c. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng <a href=\"https:\/\/nbaem.com\/vi\/what-is-high-performance-smco-magnets\/\">nam ch\u00e2m SmCo hi\u1ec7u su\u1ea5t cao<\/a> trong c\u1eb7p t\u1eeb t\u00ednh \u0111\u1ec3 truy\u1ec1n m\u00f4-men xo\u1eafn xuy\u00ean qua v\u1ecf c\u00e1ch ly r\u1eafn.<\/p>\n<ul>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n:<\/strong> Ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong m\u00f4i tr\u01b0\u1eddng axit ho\u1eb7c ki\u1ec1m m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 d\u00e0y.<\/li>\n<li><strong>\u0110\u1ed9 tin c\u1eady v\u1ec1 nhi\u1ec7t:<\/strong> Duy tr\u00ec hi\u1ec7u qu\u1ea3 truy\u1ec1n m\u00f4-men xo\u1eafn ngay c\u1ea3 khi ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c b\u01a1m \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan.<\/li>\n<li><strong>\u0110\u00f3ng k\u00edn tuy\u1ec7t \u0111\u1ed1i:<\/strong> Lo\u1ea1i b\u1ecf nhu c\u1ea7u tr\u1ee5c k\u00edn, ng\u0103n ng\u1eeba r\u00f2 r\u1ec9 nguy hi\u1ec3m.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9 b\u1ec1n c\u1ee7a tuabin gi\u00f3 ngo\u00e0i kh\u01a1i<\/h3>\n<p>Ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, \u0111\u1eb7c bi\u1ec7t l\u00e0 gi\u00f3 ngo\u00e0i kh\u01a1i, y\u00eau c\u1ea7u c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c phun mu\u1ed1i v\u00e0 \u0111\u1ed9 \u1ea9m cao trong nhi\u1ec1u th\u1eadp k\u1ef7. Nam ch\u00e2m SmCo l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho m\u00e1y ph\u00e1t c\u00f3 \u0111\u1ed9 tin c\u1eady cao do t\u00ednh kh\u00e1ng demagnetization t\u1ef1 nhi\u00ean <strong>kh\u00e1ng demagnetization<\/strong> v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng g\u1eb7p r\u1ee7i ro oxi h\u00f3a. \u0110\u1ed9 b\u1ec1n n\u00e0y gi\u1ea3m chu k\u1ef3 b\u1ea3o tr\u00ec v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd cho tuabin trong \u0111i\u1ec1u ki\u1ec7n h\u00e0ng h\u1ea3i kh\u1eafc nghi\u1ec7t nh\u1ea5t.<\/p>\n<h2>\u1ee8ng d\u1ee5ng nam ch\u00e2m SmCo trong C\u00f4ng ngh\u1ec7 y t\u1ebf v\u00e0 \u0110i\u1ec7n t\u1eed cao c\u1ea5p<\/h2>\n<p>Trong c\u00e1c l\u0129nh v\u1ef1c y t\u1ebf v\u00e0 \u0111i\u1ec7n t\u1eed cao c\u1ea5p, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 th\u1ecfa hi\u1ec7p. Ch\u00fang t\u00f4i cung c\u1ea5p <strong>Sintered Samarium Cobalt<\/strong> nam ch\u00e2m cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0y v\u00ec ch\u00fang duy tr\u00ec m\u1ed9t <strong>gi\u00e1 tr\u1ecb m\u1eadt \u0111\u1ed9 flux t\u1eeb<\/strong> m\u1ee9c cao trong khi v\u1eabn kh\u00e1ng ch\u1ecbu m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. T\u1eeb thi\u1ebft b\u1ecb ch\u1ea9n \u0111o\u00e1n c\u1ee9u s\u1ed1ng \u0111\u1ebfn v\u1ec7 tinh vi\u1ec5n th\u00f4ng to\u00e0n c\u1ea7u, SmCo l\u00e0 c\u01a1 ch\u1ebf th\u1ea7m l\u1eb7ng \u0111\u1ee9ng sau h\u1eadu tr\u01b0\u1eddng.<\/p>\n<h3>\u0110\u1ed9 ch\u00ednh x\u00e1c trong Thi\u1ebft b\u1ecb Y t\u1ebf<\/h3>\n<p>C\u00f4ng ngh\u1ec7 y t\u1ebf y\u00eau c\u1ea7u c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c vi\u1ec7c ti\u1ebfp x\u00fac l\u1eb7p \u0111i l\u1eb7p l\u1ea1i v\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u1eeb t\u00ednh \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t n\u00e0y:<\/p>\n<ul>\n<li><strong>D\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt si\u00eau nh\u1ecf:<\/strong> \u0110\u1ed9 cao <strong>n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng (BHmax)<\/strong> of SmCo cho ph\u00e9p ch\u00fang ta t\u1ea1o ra nam ch\u00e2m c\u1ef1c nh\u1ecf nh\u01b0ng m\u1ea1nh m\u1ebd cho c\u00e1c d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt t\u1ed1i thi\u1ec3u x\u00e2m l\u1ea5n.<\/li>\n<li><strong>Kh\u00e1ng Sterilization:<\/strong> Kh\u00e1c v\u1edbi neodymium, nam ch\u00e2m SmCo c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a m\u00e1y h\u1ea5p ti\u1ec7t tr\u00f9ng m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t t\u00ednh t\u1eeb, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho ph\u1ea7n c\u1ee9ng y t\u1ebf c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/li>\n<li><strong>\u1ed4n \u0111\u1ecbnh MRI v\u00e0 NMR:<\/strong> \u0110\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed3ng nh\u1ea5t tr\u01b0\u1eddng l\u00e0 r\u1ea5t quan tr\u1ecdng cho h\u00ecnh \u1ea3nh r\u00f5 n\u00e9t. S\u1ef1 tuy\u1ec7t v\u1eddi c\u1ee7a SmCo <strong>h\u1ec7 s\u1ed1 t\u1eeb d\u01b0 theo nhi\u1ec7t \u0111\u1ed9<\/strong> \u0111\u1ea3m b\u1ea3o tr\u01b0\u1eddng t\u1eeb v\u1eabn \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb dao \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h3>\u0110i\u1ec7n t\u1eed t\u1ea7n s\u1ed1 cao v\u00e0 Vi\u1ec5n th\u00f4ng v\u1ec7 tinh<\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed cao c\u1ea5p, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00f9ng trong vi\u1ec5n th\u00f4ng v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, t\u00ednh \u1ed5n \u0111\u1ecbnh m\u00f4i tr\u01b0\u1eddng l\u00e0 m\u1ed1i quan t\u00e2m h\u00e0ng \u0111\u1ea7u. Nam ch\u00e2m SmCo c\u1ee7a ch\u00fang t\u00f4i thi\u1ebft y\u1ebfu cho:<\/p>\n<ul>\n<li><strong>\u1ed0ng s\u00f3ng lan truy\u1ec1n (TWTs):<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec5n th\u00f4ng v\u1ec7 tinh, nh\u1eefng \u1ed1ng n\u00e0y y\u00eau c\u1ea7u m\u1ed9t tr\u01b0\u1eddng t\u1eeb nh\u1ea5t qu\u00e1n \u0111\u1ec3 h\u1ed9i t\u1ee5 ch\u00f9m electron. S\u1ef1 kh\u00e1ng b\u1ecb m\u1ea5t t\u1eeb c\u1ee7a SmCo l\u00e0 r\u1ea5t quan tr\u1ecdng \u1edf \u0111\u00e2y.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb vi s\u00f3ng:<\/strong> Ch\u00fang t\u00f4i t\u1eadn d\u1ee5ng s\u1ef1 cao <strong>nhi\u1ec7t \u0111\u1ed9 Curie<\/strong> c\u1ee7a SmCo \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh t\u1ea7n s\u1ed1 cao trong c\u00e1c h\u1ec7 th\u1ed1ng radar v\u00e0 chi\u1ebfn tranh \u0111i\u1ec7n t\u1eed.<\/li>\n<\/ul>\n<p>Khi kh\u00e1m ph\u00e1 c\u00e1c \u1ee9ng d\u1ee5ng chuy\u00ean bi\u1ec7t <a href=\"https:\/\/nbaem.com\/vi\/applications\/\">\u1ee9ng d\u1ee5ng nam ch\u00e2m c\u00f4ng nghi\u1ec7p<\/a>, n\u00f3 tr\u1edf n\u00ean r\u00f5 r\u00e0ng r\u1eb1ng SmCo l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho \u0111i\u1ec7n t\u1eed tr\u1ecdng y\u1ebfu n\u01a1i s\u1ef1 c\u1ed1 l\u00e0 kh\u00f4ng th\u1ec3 x\u1ea3y ra.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th style=\"text-align: left;\">L\u1ee3i \u00edch Y t\u1ebf\/Y \u0111i\u1ec7n t\u1eed<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/td>\n<td style=\"text-align: left;\">Ho\u1ea1t \u0111\u1ed9ng an to\u00e0n trong dung d\u1ecbch sinh h\u1ecdc v\u00e0 m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t<\/strong><\/td>\n<td style=\"text-align: left;\">Gi\u1eef hi\u1ec7u su\u1ea5t trong c\u00e1c chu tr\u00ecnh ti\u1ec7t tr\u00f9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Tr\u1ecb t\u1eeb r\u1ea5t cao<\/strong><\/td>\n<td style=\"text-align: left;\">Ch\u1ecbu \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t t\u1eeb \u1edf b\u1ed1 c\u1ee5c \u0111i\u1ec7n t\u1eed nh\u1ecf g\u1ecdn, m\u1eadt \u0111\u1ed9 cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o nh\u1eefng hi\u1ec7u su\u1ea5t cao n\u00e0y <strong>pa\u0301t nam ch\u00e2m v\u0129nh vi\u1ec5n \u0111\u1ea5t hi\u1ebfm<\/strong>, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o c\u00e1c chuy\u00ean gia y t\u1ebf v\u00e0 k\u1ef9 s\u01b0 c\u00f3 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ea7n thi\u1ebft cho nh\u1eefng b\u1ea3n thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt kh\u1eaft khe nh\u1ea5t.<\/p>\n<h2>Ch\u1ecdn c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p: SmCo5 vs. Sm2Co17<\/h2>\n<p>Khi ch\u1ecdn v\u1eadt li\u1ec7u cho <strong>\u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo<\/strong>, quy\u1ebft \u0111\u1ecbnh th\u01b0\u1eddng d\u1ef1a tr\u00ean s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa s\u1ee9c t\u1eeb v\u00e0 d\u1ec5 d\u00e0ng s\u1ea3n xu\u1ea5t. Ch\u00fang t\u00f4i ph\u00e2n lo\u1ea1i ch\u00fang th\u00e0nh hai h\u1ee3p kim ch\u00ednh, m\u1ed7i c\u00e1i ph\u1ee5c v\u1ee5 nh\u1eefng nhu c\u1ea7u k\u1ef9 thu\u1eadt ri\u00eang.<\/p>\n<h3>SmCo5: Kh\u1eed t\u1eeb \u0111\u01a1n gi\u1ea3n<\/h3>\n<p>SmCo5 (d\u00f2ng 1:5) g\u1ed3m kho\u1ea3ng 36% Samarium v\u00e0 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi x\u1eed l\u00fd \u0111\u01a1n gi\u1ea3n. Ch\u00fang t\u00f4i khuy\u00ean d\u00f9ng c\u1ea5p \u0111\u1ed9 n\u00e0y khi l\u1eafp r\u00e1p y\u00eau c\u1ea7u t\u1eeb h\u00f3a sau khi nam ch\u00e2m \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t.<\/p>\n<ul>\n<li><strong>Dung l\u01b0\u1ee3ng b\u00e3o h\u00f2a th\u1ea5p:<\/strong> N\u00f3 \u0111\u00f2i h\u1ecfi c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ea1nh t\u1eeb t\u00ednh t\u1ed1i \u0111a so v\u1edbi d\u00f2ng 2:17.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n:<\/strong> N\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c <a href=\"https:\/\/nbaem.com\/vi\/magnets-used-in-medical\/\">nam ch\u00e2m d\u00f9ng trong y t\u1ebf<\/a> thi\u1ebft b\u1ecb n\u01a1i vi\u1ec7c ti\u1ec7t tr\u00f9ng v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e0 kh\u00f4ng th\u1ec3 th\u1ecfa hi\u1ec7p.<\/li>\n<li><strong>S\u1ea3n ph\u1ea9m N\u0103ng l\u01b0\u1ee3ng:<\/strong> Th\u00f4ng th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 16 \u0111\u1ebfn 22 MGOe.<\/li>\n<\/ul>\n<h3>Sm2Co17: S\u1ea3n ph\u1ea9m N\u0103ng l\u01b0\u1ee3ng T\u1eeb t\u00ednh T\u1ed1i \u0111a<\/h3>\n<p>H\u1ee3p kim Sm2Co17 (d\u00f2ng 2:17) l\u00e0 ngu\u1ed3n s\u1ee9c m\u1ea1nh c\u1ee7a gia \u0111\u00ecnh Samarium Cobalt. N\u00f3 l\u00e0 ti\u00eau chu\u1ea9n cho c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p v\u00e0 n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u su\u1ea5t cao.<\/p>\n<ul>\n<li><strong>Cung c\u1ea5p \u0111\u1ea7u ra cao h\u01a1n:<\/strong> N\u00f3 cung c\u1ea5p m\u1ee9c cao h\u01a1n nhi\u1ec1u <strong>n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng (BHmax)<\/strong>, th\u01b0\u1eddng t\u1eeb 24 \u0111\u1ebfn 32 MGOe.<\/li>\n<li><strong>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t:<\/strong> N\u00f3 mang l\u1ea1i s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i <strong>h\u1ec7 s\u1ed1 t\u1eeb d\u01b0 theo nhi\u1ec7t \u0111\u1ed9<\/strong>, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ch\u00ednh cho <a href=\"https:\/\/nbaem.com\/vi\/magnets-used-in-renewable-energy\/\">nam ch\u00e2m s\u1eed d\u1ee5ng trong n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/a> c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 m\u00e1y ph\u00e1t c\u00f4ng su\u1ea5t cao.<\/li>\n<li><strong>Kh\u00e1ng kh\u1eed t\u1eeb:<\/strong> N\u00f3 duy tr\u00ec <strong>gi\u00e1 tr\u1ecb m\u1eadt \u0111\u1ed9 flux t\u1eeb<\/strong> ngay c\u1ea3 khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng b\u1edfi tr\u01b0\u1eddng \u0111\u1ed1i kh\u00e1ng m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<\/ul>\n<h3>T\u00f9y ch\u1ec9nh c\u00e1c c\u1ea5p from t\u1eeb cho B\u1ea3n thi\u1ebft k\u1ebf<\/h3>\n<p>Ch\u00fang t\u00f4i kh\u00f4ng tin v\u00e0o ph\u01b0\u01a1ng ph\u00e1p m\u1ed9t k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi ng\u01b0\u1eddi. M\u1ecdi b\u1ea3n thi\u1ebft k\u1ebf c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 kh\u00f4ng gian, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 ph\u01a1i nhi\u1ec7t \u0111\u1eb7c th\u00f9.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th style=\"text-align: left;\">SmCo5 (1:5)<\/th>\n<th style=\"text-align: left;\">Sm2Co17 (2:17)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>S\u1ea3n ph\u1ea9m N\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a<\/strong><\/td>\n<td style=\"text-align: left;\">16 \u2013 22 MGOe<\/td>\n<td style=\"text-align: left;\">24 \u2013 32 MGOe<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Tr\u01b0\u1eddng t\u1eeb h\u00f3a<\/strong><\/td>\n<td style=\"text-align: left;\">Th\u1ea5p h\u01a1n (D\u1ec5 h\u01a1n)<\/td>\n<td style=\"text-align: left;\">Cao (Kh\u00f3 h\u01a1n)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong><\/td>\n<td style=\"text-align: left;\">L\u00ean \u0111\u1ebfn 250\u00b0C<\/td>\n<td style=\"text-align: left;\">T\u1edbi 350\u00b0C (C\u00e1c lo\u1ea1i \u0111\u1eb7c bi\u1ec7t 500\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Gi\u00e1 th\u00e0nh<\/strong><\/td>\n<td style=\"text-align: left;\">Th\u01b0\u1eddng cao h\u01a1n (Nhi\u1ec1u Samarium h\u01a1n)<\/td>\n<td style=\"text-align: left;\">Th\u1ea5p h\u01a1n t\u01b0\u01a1ng \u0111\u1ed1i (Nhi\u1ec1u S\u1eaft\/ \u0110\u1ed3ng)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh ph\u1ea7n, ch\u00fang t\u00f4i t\u00f9y ch\u1ec9nh c\u00e1c lo\u1ea1i nam ch\u00e2m t\u1eeb t\u00ednh \u0111\u1ec3 \u0111\u1ea1t \u0111\u00fang \u0111\u1ec9nh hi\u1ec7u su\u1ea5t y\u00eau c\u1ea7u b\u1edfi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Cho d\u00f9 b\u1ea1n c\u1ea7n m\u1ed9t lo\u1ea1i nam ch\u00e2m cao \u0111\u1ec3 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 hay c\u1ef1c \u0111oan cho c\u1ea3m bi\u1ebfn d\u01b0\u1edbi bi\u1ec3n, ch\u00fang t\u00f4i gh\u00e9p h\u1ee3p kim v\u1edbi nhi\u1ec7m v\u1ee5. <strong>Sintered Samarium Cobalt<\/strong> Th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt v\u00e0 m\u1eb9o thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo <strong>nhi\u1ec7t \u0111\u1ed9 Curie<\/strong> Trong khi l\u1ee3i \u00edch c\u1ee7a nam ch\u00e2m v\u0129nh vi\u1ec5n \u0111\u1ea5t hi\u1ebfm l\u00e0 kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn, l\u00e0m vi\u1ec7c v\u1edbi Samarium Cobalt nung k\u1ebft \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt \u0111\u1eb7c th\u00f9. T\u00f4i lu\u00f4n nh\u1eafc nh\u1edf c\u00e1c \u0111\u1ed1i t\u00e1c c\u1ee7a m\u00ecnh r\u1eb1ng t\u1ed1i \u0111a h\u00f3a s\u1ea3n ph\u1ea9m t\u1eeb n\u0103ng l\u01b0\u1ee3ng t\u1eeb t\u00ednh (BHmax) trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t c\u00f3 ngh\u0129a l\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u1ed9t v\u00e0i gi\u1edbi h\u1ea1n v\u1eadt l\u00fd trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t. <strong>kh\u00e1ng \u0103n m\u00f2n<\/strong> X\u1eed l\u00fd t\u00ednh gi\u00f2n v\u00e0 t\u00ednh d\u1ec5 v\u1ee1 v\u1eadt l\u00fd<\/p>\n<h2>Nh\u1eefng r\u00e0o c\u1ea3n l\u1edbn nh\u1ea5t v\u1edbi nam ch\u00e2m SmCo l\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u1ed1n c\u00f3 c\u1ee7a ch\u00fang. Ch\u00fang thi\u1ebfu s\u1ef1 d\u1ebbo dai c\u01a1 h\u1ecdc c\u1ee7a kim lo\u1ea1i kh\u00e1c v\u00e0 r\u1ea5t d\u1ec5 b\u1ecb bong tr\u00f3c, n\u1ee9t ho\u1eb7c v\u1ee1 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch.<\/h2>\n<p>Tr\u00e1nh va ch\u1ea1m tr\u1ef1c ti\u1ebfp:<\/p>\n<h3>Kh\u00f4ng bao gi\u1edd cho ph\u00e9p c\u00e1c nam ch\u00e2m n\u00e0y va ch\u1ea1m v\u00e0o nhau d\u01b0\u1edbi l\u1ef1c t\u1eeb c\u1ee7a ch\u00fang.<\/h3>\n<p>Thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ea3o v\u1ec7:<\/p>\n<ul>\n<li><strong>Lu\u00f4n b\u1ecdc nam ch\u00e2m trong v\u1ecf b\u1ea3o v\u1ec7, \u1ed1ng b\u1ea3o v\u1ec7 ho\u1eb7c h\u1ee3p ch\u1ea5t \u0111\u00f3ng g\u00f3i, \u0111\u1eb7c bi\u1ec7t khi \u0111\u01b0\u1ee3c tri\u1ec3n khai trong c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p ch\u1ecbu t\u1ea3i cao.<\/strong> T\u00edch h\u1ee3p c\u1ea9n th\u1eadn:<\/li>\n<li><strong>Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb cao s\u1eed d\u1ee5ng m\u1ed9t<\/strong> B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh ph\u1ea7n, ch\u00fang t\u00f4i t\u00f9y ch\u1ec9nh c\u00e1c lo\u1ea1i nam ch\u00e2m t\u1eeb t\u00ednh \u0111\u1ec3 \u0111\u1ea1t \u0111\u00fang \u0111\u1ec9nh hi\u1ec7u su\u1ea5t y\u00eau c\u1ea7u b\u1edfi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Cho d\u00f9 b\u1ea1n c\u1ea7n m\u1ed9t lo\u1ea1i nam ch\u00e2m cao \u0111\u1ec3 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 hay c\u1ef1c \u0111oan cho c\u1ea3m bi\u1ebfn d\u01b0\u1edbi bi\u1ec3n, ch\u00fang t\u00f4i gh\u00e9p h\u1ee3p kim v\u1edbi nhi\u1ec7m v\u1ee5.<\/li>\n<li><strong>Th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt v\u00e0 m\u1eb9o thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo<\/strong> We highly recommend utilizing a specialized <a href=\"https:\/\/nbaem.com\/vi\/products\/magnet-assembly\/\">b\u1ed9 nam ch\u00e2m<\/a> quy tr\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c th\u00e0nh ph\u1ea7n mong manh \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p an to\u00e0n v\u00e0o s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i v\u1ec1 c\u01a1 h\u1ecdc.<\/li>\n<\/ul>\n<h3>Gia c\u00f4ng v\u1edbi EDM v\u00e0 M\u00e0i kim c\u01b0\u01a1ng<\/h3>\n<p>B\u1ea1n kh\u00f4ng th\u1ec3 gia c\u00f4ng Sintered Samarium Cobalt b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng th\u00f4ng th\u01b0\u1eddng nh\u01b0 ti\u1ec7n, khoan hay phay. V\u00ec \u0111\u1ed9 c\u1ee9ng c\u1ef1c k\u1ef3 cao v\u00e0 \u0111\u1ed9 gi\u00f2n v\u1eadt l\u00fd c\u1ee7a ch\u00fang, vi\u1ec7c \u0111\u1ecbnh h\u00ecnh c\u00e1c v\u1eadt li\u1ec7u n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c k\u1ef9 thu\u1eadt m\u00e0i m\u00f2n \u0111\u1eb7c th\u00f9.<\/p>\n<ul>\n<li><strong>M\u00e0i kim c\u01b0\u01a1ng:<\/strong> \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n ng\u00e0nh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c sai s\u1ed1 ch\u1eb7t ch\u1ebd v\u00e0 b\u1ec1 m\u1eb7t nh\u1eb5n. B\u1ea1n ph\u1ea3i s\u1eed d\u1ee5ng l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m m\u00e1t d\u01b0 th\u1eeba \u0111\u1ec3 qu\u1ea3n l\u00fd s\u1ed1c nhi\u1ec7t, d\u00f9 h\u1ee3p kim t\u1ef1 th\u00e2n c\u00f3 m\u1ee9c \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao r\u1ea5t t\u1ed1t.<\/li>\n<li><strong>Gia c\u00f4ng b\u1eb1ng ph\u00f3ng tia \u0111i\u1ec7n (EDM):<\/strong> EDM d\u00e2y r\u1ea5t hi\u1ec7u qu\u1ea3 cho vi\u1ec7c c\u1eaft c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p, c\u1eaft kh\u1ed1i v\u00e0 t\u1ea1o l\u1ed7 ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng t\u00e1c \u0111\u1ed9ng l\u1ef1c l\u00ean v\u1eadt li\u1ec7u th\u00f4.<\/li>\n<\/ul>\n<h3>Ph\u00e2n t\u00edch L\u1ee3i-\u00cdch Chi ph\u00ed cho c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng trong nhi\u1ec7m v\u1ee5<\/h3>\n<p>H\u00e3y th\u1eb3ng th\u1eafn: <a href=\"https:\/\/nbaem.com\/vi\/what-is-high-performance-smco-magnets\/\">nam ch\u00e2m SmCo hi\u1ec7u su\u1ea5t cao<\/a> ch\u00fang \u0111i k\u00e8m v\u1edbi m\u1ee9c gi\u00e1 cao do khan hi\u1ebfm nguy\u00ean li\u1ec7u v\u00e0 y\u00eau c\u1ea7u gia c\u00f4ng ph\u1ee9c t\u1ea1p. Tuy nhi\u00ean, kho\u1ea3n \u0111\u1ea7u t\u01b0 n\u00e0y nhanh thu v\u1ec1 khi s\u1ef1 c\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p x\u1ea3y ra.<\/p>\n<ul>\n<li><strong>Khi n\u00e0o n\u00ean ch\u1ecdn SmCo:<\/strong> N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t \u1edf m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1ed1n c\u00f3 ho\u00e0n h\u1ea3o v\u00e0 kh\u1ea3 n\u0103ng m\u1ea5t t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb t\u1eeb (kh\u00f4ng t\u1eeb b\u1ecb t\u1eeb t\u00ednh \u1edf nhi\u1ec7t \u0111\u1ed9 cao), chi ph\u00ed ban \u0111\u1ea7u \u0111\u01b0\u1ee3c bi\u1ec7n minh ho\u00e0n to\u00e0n.<\/li>\n<li><strong>\u0110\u00e1nh gi\u00e1 ROI l\u00e2u d\u00e0i:<\/strong> \u0110\u1ed1i v\u1edbi nam ch\u00e2m c\u1ea5p h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u1ea3m bi\u1ebfn qu\u00e2n s\u1ef1, hay thi\u1ebft b\u1ecb khoan \u1edf bi\u1ec3n s\u00e2u, chi ph\u00ed v\u1eadn h\u00e0nh cho vi\u1ec7c thay th\u1ebf m\u1ed9t th\u00e0nh ph\u1ea7n h\u1ecfng s\u1ebd v\u01b0\u1ee3t qu\u00e1 \u0111\u00e1ng k\u1ec3 so v\u1edbi m\u1ee9c \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cho m\u1ed9t gi\u1ea3i ph\u00e1p SmCo \u1ed5n \u0111\u1ecbnh v\u00e0 cao c\u1ea5p.<\/li>\n<\/ul>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo<\/h2>\n<p>Ch\u00fang t\u00f4i th\u01b0\u1eddng nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c c\u00e2u h\u1ecfi k\u1ef9 thu\u1eadt v\u1ec1 hi\u1ec7u su\u1ea5t d\u00e0i h\u1ea1n v\u00e0 chi ph\u00ed hi\u1ec7u qu\u1ea3 c\u1ee7a Samarium Cobalt. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi tr\u1ef1c ti\u1ebfp cho c\u00e1c th\u1eafc m\u1eafc ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i x\u1eed l\u00fd cho c\u00e1c d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p v\u00e0 h\u00e0ng kh\u00f4ng - v\u0169 tr\u1ee5.<\/p>\n<h3>Nam ch\u00e2m SmCo c\u00f3 g\u1ec9 kh\u00f4ng?<\/h3>\n<p>Kh\u00e1c v\u1edbi nam ch\u00e2m Neodymium, d\u1ec5 b\u1ecb oxi h\u00f3a do h\u00e0m l\u01b0\u1ee3ng s\u1eaft cao c\u1ee7a ch\u00fang, <strong>Sintered Samarium Cobalt<\/strong> c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111\u1eb7c bi\u1ec7t. V\u00ec SmCo ch\u1ee9a r\u1ea5t \u00edt s\u1eaft t\u1ef1 do, n\u00f3 kh\u00f4ng \u201cg\u1ec9\u201d theo ngh\u0129a truy\u1ec1n th\u1ed1ng. Trong h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng nam ch\u00e2m SmCo, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp b\u1ea3o v\u1ec7, ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c moderately axit.<\/p>\n<h3>SmCo c\u00f3 m\u1ea1nh h\u01a1n Neodymium kh\u00f4ng?<\/h3>\n<p>\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, Neodymium th\u01b0\u1eddng cung c\u1ea5p hi\u1ec7u su\u1ea5t cao h\u01a1n <strong>n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u01b0\u1eddng (BHmax)<\/strong>Tuy nhi\u00ean, so s\u00e1nh s\u1ebd thay \u0111\u1ed5i khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean.<\/p>\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng:<\/strong> Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a Neodymium m\u1ea1nh h\u01a1n.<\/li>\n<li><strong>Tr\u00ean 150\u00b0C:<\/strong> SmCo b\u1eaft \u0111\u1ea7u v\u01b0\u1ee3t tr\u1ed9i h\u01a1n Neodymium v\u00ec n\u00f3 c\u00f3 \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i <strong>\u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/strong>.<\/li>\n<li><strong>M\u1ea5t t\u1eeb t\u00ednh:<\/strong> SmCo c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb c\u1ef1c hi\u1ebfu \u1edf \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t cao h\u01a1n nhi\u1ec1u. Hi\u1ec3u \u0111\u01b0\u1ee3c <a href=\"https:\/\/nbaem.com\/vi\/magnetization-and-demagnetization-for-permanent-magnet\/\">l\u00e0 s\u1ef1 t\u1eeb h\u00f3a v\u00e0 m\u1ea5t t\u1eeb h\u00f3a \u0111\u1ed1i v\u1edbi nam ch\u00e2m v\u0129nh vi\u1ec5n<\/a> l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh khi ch\u1ecdn gi\u1eefa hai v\u1eadt li\u1ec7u n\u00e0y cho c\u00e1c m\u00f4i tr\u01b0\u1eddng ch\u1ecbu t\u1ea3i cao.<\/li>\n<\/ul>\n<h3>Th\u00f4ng s\u1ed1 max ho\u1ea1t \u0111\u1ed9ng c\u1ee7a SmCo l\u00e0 g\u00ec?<\/h3>\n<p>\u0110\u1ed3ng h\u1ed3 SmCo l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t. T\u00f9y theo lo\u1ea1i c\u1ee5 th\u1ec3 (SmCo5 hay Sm2Co17), nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a ho\u1ea1t \u0111\u1ed9ng th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb <strong>250\u00b0C v\u00e0 350\u00b0C<\/strong>. M\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1eb7c bi\u1ec7t th\u1eadm ch\u00ed c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 l\u00ean t\u1edbi 500\u00b0C. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ed9t \u0111\u1ed9 b\u1ec1n t\u1eeb c\u1ef1c cao <strong>nhi\u1ec7t \u0111\u1ed9 Curie<\/strong>, \u0111\u1ea3m b\u1ea3o nam ch\u00e2m kh\u00f4ng m\u1ea5t \u0111i c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh c\u01a1 b\u1ea3n khi nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c \u0111\u1ea9y l\u00ean.<\/p>\n<h3>T\u1ea1i sao nam ch\u00e2m SmCo l\u1ea1i \u0111\u1eaft?<\/h3>\n<p>Chi ph\u00ed ch\u1ee7 y\u1ebfu b\u1ecb chi ph\u1ed1i b\u1edfi nguy\u00ean li\u1ec7u th\u00f4. Cobalt l\u00e0 kim lo\u1ea1i chi\u1ebfn l\u01b0\u1ee3c c\u00f3 gi\u00e1 th\u1ecb tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng, v\u00e0 Samarium l\u00e0 m\u1ed9t nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n. Trong khi kho\u1ea3n \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cao h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c <strong>pa\u0301t nam ch\u00e2m v\u0129nh vi\u1ec5n \u0111\u1ea5t hi\u1ebfm<\/strong>, t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu th\u01b0\u1eddng th\u1ea5p h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 t\u00ednh n\u0103ng s\u1ed1ng c\u00f2n n\u01a1i s\u1ef1 c\u1ed1 l\u00e0 kh\u00f4ng th\u1ec3.<\/p>\n<ul>\n<li><strong>Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u:<\/strong> N\u1ed9i dung Cobalt cao \u0111\u1ea9y gi\u00e1 l\u00ean.<\/li>\n<li><strong>S\u1ea3n xu\u1ea5t:<\/strong> Qu\u00e1 tr\u00ecnh sintering v\u00e0 gia c\u00f4ng \u0111\u00f2i h\u1ecfi gia c\u00f4ng kim c\u01b0\u01a1ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao do \u0111\u1ed9 gi\u00f2n c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\n<li><strong>Gi\u00e1 tr\u1ecb \u0111\u1ec1 xu\u1ea5t:<\/strong> Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft cho <a href=\"https:\/\/nbaem.com\/vi\/permanent-magnet-generators\/\">m\u00e1y ph\u00e1t nam ch\u00e2m v\u0129nh c\u1eedu<\/a> c\u00e1c c\u1ea3m bi\u1ebfn h\u00e0ng kh\u00f4ng - v\u0169 tr\u1ee5 n\u01a1i \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi chi ph\u00ed v\u1eadt li\u1ec7u ban \u0111\u1ea7u.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u1ee8ng d\u1ee5ng nam ch\u00e2m SmCo trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4 v\u00e0 n\u0103ng l\u01b0\u1ee3ng v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng kh demagnetization m\u1ea1nh<\/p>","protected":false},"author":1,"featured_media":3046,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[33],"tags":[],"class_list":["post-3826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-samarium-cobalt-magnet"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/What_are_SmCO_magnets_used_for__qocssezMY.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=3826"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3826\/revisions"}],"predecessor-version":[{"id":3835,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3826\/revisions\/3835"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3046"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}