{"id":1866,"date":"2025-08-11T06:28:03","date_gmt":"2025-08-11T06:28:03","guid":{"rendered":"https:\/\/nbaem.com\/?p=1866"},"modified":"2025-08-11T06:42:16","modified_gmt":"2025-08-11T06:42:16","slug":"samarium-cobalt-vs-neodymium-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/samarium-cobalt-vs-neodymium-magnets\/","title":{"rendered":"Nam ch\u00e2m Samarium Cobalt so v\u1edbi Neodymium v\u1ec1 \u0111\u1ed9 m\u1ea1nh v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<p>B\u1ea1n c\u00f3 \u0111ang t\u1ef1 h\u1ecfi lo\u1ea1i nam ch\u00e2m hi\u1ebfm n\u00e0o ph\u00f9 h\u1ee3p nh\u1ea5t cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh: <strong>nam ch\u00e2m samarium cobalt so v\u1edbi nam ch\u00e2m neodymium<\/strong>? L\u1ef1a ch\u1ecdn lo\u1ea1i nam ch\u00e2m ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn v\u1ec1 hi\u1ec7u su\u1ea5t, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed. D\u00f9 b\u1ea1n l\u00e0 k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 ch\u00ednh x\u00e1c cao, ng\u01b0\u1eddi mua ngu\u1ed3n v\u1eadt li\u1ec7u, hay ng\u01b0\u1eddi \u0111am m\u00ea kh\u00e1m ph\u00e1 c\u00e1c l\u1ef1a ch\u1ecdn nam ch\u00e2m, vi\u1ec7c hi\u1ec3u r\u00f5 hai lo\u1ea1i nam ch\u00e2m m\u1ea1nh m\u1ebd n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<p>Trong so s\u00e1nh chi ti\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch c\u00e1c \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa <strong>samari cobalt (SmCo)<\/strong> v\u00e0 <strong>neodymi (NdFeB)<\/strong> nam ch\u00e2m\u2014bao g\u1ed3m m\u1ecdi th\u1ee9 t\u1eeb c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng trong ng\u00e0nh. Th\u00eam v\u00e0o \u0111\u00f3, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin v\u1ec1 gi\u00e1 c\u1ea3 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 chu\u1ed7i cung \u1ee9ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh mua h\u00e0ng c\u1ee7a b\u1ea1n.<\/p>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n tr\u00e1nh nh\u1eefng sai l\u1ea7m t\u1ed1n k\u00e9m v\u00e0 ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh, h\u01b0\u1edbng d\u1eabn n\u00e0y d\u00e0nh cho b\u1ea1n. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi c\u1ee7a <strong>nam ch\u00e2m samarium cobalt so v\u1edbi nam ch\u00e2m neodymium<\/strong> v\u00e0 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1edbi c\u00e1c m\u1eb9o chuy\u00ean gia t\u1eeb NBAEM, nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady c\u1ee7a Trung Qu\u1ed1c chuy\u00ean v\u1ec1 c\u1ea3 hai lo\u1ea1i nam ch\u00e2m.<\/p>\n<div id=\"attachment_1867\" style=\"width: 811px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1867\" class=\"size-full wp-image-1867\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets.jpg\" alt=\"nam ch\u00e2m samarium cobalt so v\u1edbi nam ch\u00e2m neodymium\" width=\"801\" height=\"421\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-200x105.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-300x158.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-400x210.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-600x315.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-768x404.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets.jpg 801w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><p id=\"caption-attachment-1867\" class=\"wp-caption-text\">nam ch\u00e2m samarium cobalt so v\u1edbi nam ch\u00e2m neodymium<\/p><\/div>\n<h2>Samarium Cobalt v\u00e0 Nam ch\u00e2m Neodymium l\u00e0 g\u00ec<\/h2>\n<p><strong>Nam ch\u00e2m Samarium Cobalt (SmCo) v\u00e0 Neodymium Iron Boron (NdFeB) \u0111\u1ec1u l\u00e0 c\u00e1c lo\u1ea1i nam ch\u00e2m hi\u1ebfm c\u00f3 \u0111\u1eb7c t\u00ednh t\u1eeb tr\u01b0\u1eddng xu\u1ea5t s\u1eafc. Ch\u00fang \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb h\u1ee3p kim c\u1ee7a c\u00e1c nguy\u00ean t\u1ed1 hi\u1ebfm, mang l\u1ea1i hi\u1ec7u su\u1ea5t cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c lo\u1ea1i nam ch\u00e2m ferrite ho\u1eb7c alnico th\u00f4ng th\u01b0\u1eddng.<\/strong><\/p>\n<p><strong>Nam ch\u00e2m Samarium Cobalt<\/strong> ch\u1ee7 y\u1ebfu g\u1ed3m samarium (Sm) v\u00e0 cobalt (Co), c\u00f9ng v\u1edbi l\u01b0\u1ee3ng nh\u1ecf c\u00e1c kim lo\u1ea1i kh\u00e1c nh\u01b0 \u0111\u1ed3ng v\u00e0 s\u1eaft \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t. Ch\u00fang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u1ea7n \u0111\u1ea7u v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1970 v\u00e0 l\u00e0 nh\u1eefng nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t tr\u01b0\u1edbc khi nam ch\u00e2m neodymium ra \u0111\u1eddi. Nam ch\u00e2m SmCo n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng duy tr\u00ec c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7.<\/p>\n<p><strong>Nam ch\u00e2m Neodymium<\/strong>, c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean g\u1ecdi h\u00f3a h\u1ecdc l\u00e0 NdFeB, \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb neodymium (Nd), s\u1eaft (Fe), v\u00e0 boron (B). Ban \u0111\u1ea7u ph\u00e1t tri\u1ec3n v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1980, ch\u00fang nhanh ch\u00f3ng tr\u1edf th\u00e0nh nh\u1eefng nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t c\u00f3 s\u1eb5n, c\u00f3 th\u1ec3 t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb m\u1ea1nh h\u01a1n nhi\u1ec1u so v\u1edbi nam ch\u00e2m SmCo c\u00f9ng k\u00edch th\u01b0\u1edbc. Tuy nhi\u00ean, ch\u00fang th\u01b0\u1eddng c\u1ea7n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 nh\u01b0 nickel ho\u1eb7c epoxy \u0111\u1ec3 tr\u00e1nh oxy h\u00f3a.<\/p>\n<h3>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h3>\n<p>C\u1ea3 nam ch\u00e2m SmCo v\u00e0 NdFeB \u0111\u1ec1u tr\u1ea3i qua c\u00e1c giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t t\u01b0\u01a1ng t\u1ef1, m\u1eb7c d\u00f9 v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh ch\u00ednh x\u00e1c kh\u00e1c nhau:<\/p>\n<ul>\n<li><strong>Chu\u1ea9n b\u1ecb b\u1ed9t<\/strong> \u2013 C\u00e1c kim lo\u1ea1i th\u00f4 \u0111\u01b0\u1ee3c nung ch\u1ea3y, h\u1ee3p kim h\u00f3a, v\u00e0 nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn.<\/li>\n<li><strong>\u00c9p<\/strong> \u2013 B\u1ed9t \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh trong m\u1ed9t tr\u01b0\u1eddng t\u1eeb m\u1ea1nh v\u00e0 \u00e9p th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n.<\/li>\n<li><strong>Thi\u00eau k\u1ebft<\/strong> \u2013 B\u1ed9t \u0111\u00e3 n\u00e9n \u0111\u01b0\u1ee3c nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 \u0111\u1eb7c v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng.<\/li>\n<li><strong>Gia c\u00f4ng<\/strong> \u2013 Nam ch\u00e2m \u0111\u01b0\u1ee3c c\u1eaft ho\u1eb7c m\u00e0i \u0111\u1ec3 \u0111\u1ea1t k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c.<\/li>\n<li><strong>L\u1edbp ph\u1ee7 (cho NdFeB)<\/strong> \u2013 Nam ch\u00e2m neodymium th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n.<\/li>\n<li><strong>T\u1eeb h\u00f3a<\/strong> \u2013 M\u1ed9t tr\u01b0\u1eddng t\u1eeb m\u1ea1nh \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 c\u0103n ch\u1ec9nh c\u00e1c mi\u1ec1n t\u1eeb v\u00e0 t\u1ea1o th\u00e0nh nam ch\u00e2m v\u0129nh c\u1eedu.<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn c\u00e1c chi ti\u1ebft c\u1ee7a <strong>nam ch\u00e2m SmCo hi\u1ec7u su\u1ea5t cao<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 xem h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i <strong><a href=\"https:\/\/nbaem.com\/vi\/what-is-high-performance-smco-magnets\/\" target=\"_blank\" rel=\"noopener\">t\u1ea1i \u0111\u00e2y<\/a><\/strong>.<\/p>\n<h2>So s\u00e1nh t\u00ednh ch\u1ea5t t\u1eeb<\/h2>\n<p>Khi so s\u00e1nh <strong>nam ch\u00e2m samarium cobalt so v\u1edbi nam ch\u00e2m neodymium<\/strong>, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 hi\u1ec7u su\u1ea5t r\u00f5 r\u00e0ng khi b\u1ea1n xem x\u00e9t c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb c\u1ee7a ch\u00fang.<\/p>\n<p><strong>\u0110\u1ed9 m\u1ea1nh t\u1eeb tr\u01b0\u1eddng<\/strong><\/p>\n<ul>\n<li>Neodymium (NdFeB) l\u00e0 v\u1eadt li\u1ec7u nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t hi\u1ec7n c\u00f3, v\u1edbi s\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a \u0111\u1ea1t <strong>35\u201352 MGOe<\/strong>.<\/li>\n<li>Samarium cobalt (SmCo) th\u1ea5p h\u01a1n, th\u01b0\u1eddng kho\u1ea3ng <strong>20\u201332 MGOe<\/strong>, nh\u01b0ng v\u1eabn \u0111\u1ee7 m\u1ea1nh cho nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi cao.<\/li>\n<\/ul>\n<p><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/strong><\/p>\n<ul>\n<li>SmCo x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t h\u01a1n nhi\u1ec1u, ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng <strong>l\u00ean \u0111\u1ebfn 300\u00b0C (572\u00b0F)<\/strong> m\u00e0 kh\u00f4ng m\u1ea5t nhi\u1ec1u s\u1ee9c m\u1ea1nh.<\/li>\n<li>NdFeB b\u1eaft \u0111\u1ea7u m\u1ea5t hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng tr\u00ean <strong>80\u2013150\u00b0C (176\u2013302\u00b0F)<\/strong> tr\u1eeb khi s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i cao nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t.<\/li>\n<\/ul>\n<p><strong>Kh\u00e1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n<\/strong><\/p>\n<ul>\n<li>SmCo c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ec9 cao v\u00e0 th\u01b0\u1eddng kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7.<\/li>\n<li>NdFeB d\u1ec5 b\u1ecb \u0103n m\u00f2n v\u00e0 g\u1ea7n nh\u01b0 lu\u00f4n c\u1ea7n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 nh\u01b0 nickel, epoxy ho\u1eb7c zinc.<\/li>\n<\/ul>\n<p><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb<\/strong><\/p>\n<ul>\n<li>C\u1ea3 hai nam ch\u00e2m \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb cao, nh\u01b0ng SmCo v\u1eabn \u1ed5n \u0111\u1ecbnh h\u01a1n khi ti\u1ebfp x\u00fac v\u1edbi t\u1eeb tr\u01b0\u1eddng \u0111\u1ed1i l\u1eadp r\u1ea5t m\u1ea1nh ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li>NdFeB c\u00f3 l\u1ef1c k\u00e9o ban \u0111\u1ea7u cao h\u01a1n nh\u01b0ng d\u1ec5 m\u1ea5t t\u1eeb d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t.<\/li>\n<\/ul>\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd<\/strong><\/p>\n<ul>\n<li>SmCo \u0111\u1eb7c h\u01a1n v\u00e0 gi\u00f2n h\u01a1n, v\u00ec v\u1eady c\u1ea7n x\u1eed l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh v\u1ee1 v\u1ee5n.<\/li>\n<li>NdFeB \u00edt gi\u00f2n h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng v\u1eabn d\u1ec5 v\u1ee1 so v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn th\u00e9p, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7.<\/li>\n<\/ul>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh nhanh v\u1ec1 \u0111\u1eb7c t\u00ednh:<\/p>\n<table>\n<thead>\n<tr>\n<th>Thu\u1ed9c t\u00ednh<\/th>\n<th>Nam ch\u00e2m SmCo<\/th>\n<th>Nam ch\u00e2m NdFeB<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a (MGOe)<\/td>\n<td>20\u201332<\/td>\n<td>35\u201352<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a<\/td>\n<td>~300\u00b0C \/ 572\u00b0F<\/td>\n<td>80\u2013150\u00b0C \/ 176\u2013302\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td>Xu\u1ea5t s\u1eafc<\/td>\n<td>Y\u1ebfu (c\u1ea7n l\u1edbp ph\u1ee7)<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>V\u1eeba ph\u1ea3i \u0111\u1ebfn cao<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 gi\u00f2n<\/td>\n<td>Cao<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h2>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a Nam ch\u00e2m Samarium Cobalt<\/h3>\n<ul>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao<\/strong> \u2013 Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng l\u00ean \u0111\u1ebfn kho\u1ea3ng 300\u00b0C, tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi<\/strong> \u2013 T\u1ef1 nhi\u00ean ch\u1ed1ng r\u1ec9 s\u00e9t v\u00e0 oxy h\u00f3a m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7.<\/li>\n<li><strong>Tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i<\/strong> \u2013 Gi\u1eef \u0111\u01b0\u1ee3c l\u1ef1c t\u1eeb trong nhi\u1ec1u th\u1eadp k\u1ef7, ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Nam ch\u00e2m Samarium Cobalt<\/h3>\n<ul>\n<li><strong>Chi ph\u00ed cao h\u01a1n<\/strong> \u2013 Nguy\u00ean li\u1ec7u th\u00f4 nh\u01b0 samari v\u00e0 cobalt c\u00f3 gi\u00e1 cao.<\/li>\n<li><strong>Ch\u1ea5t li\u1ec7u d\u1ec5 v\u1ee1<\/strong> \u2013 C\u00f3 th\u1ec3 b\u1ecb s\u1ee9t m\u1ebb ho\u1eb7c n\u1ee9t n\u1ebfu b\u1ecb r\u01a1i ho\u1eb7c va \u0111\u1eadp.<\/li>\n<li><strong>L\u1ef1c t\u1eeb th\u1ea5p h\u01a1n so v\u1edbi NdFeB<\/strong> \u2013 C\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t, nh\u01b0ng kh\u00f4ng m\u1ea1nh b\u1eb1ng neodymium.<\/li>\n<\/ul>\n<h3>\u01afu \u0111i\u1ec3m c\u1ee7a Nam ch\u00e2m Neodymium<\/h3>\n<ul>\n<li><strong>L\u1ef1c t\u1eeb v\u01b0\u1ee3t tr\u1ed9i<\/strong> \u2013 Lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t hi\u1ec7n c\u00f3, l\u00fd t\u01b0\u1edfng khi \u01b0u ti\u00ean l\u1ef1c h\u00fat t\u1ed1i \u0111a.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong> \u2013 Th\u01b0\u1eddng r\u1ebb h\u01a1n m\u1ed7i \u0111\u01a1n v\u1ecb l\u1ef1c t\u1eeb so v\u1edbi SmCo.<\/li>\n<li><strong>Ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i<\/strong> \u2013 D\u1ec5 d\u00e0ng t\u00ecm ngu\u1ed3n cung c\u1ea5p v\u1edbi nhi\u1ec1u h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea5p \u0111\u1ed9 do s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn.<\/li>\n<\/ul>\n<h3>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Nam ch\u00e2m Neodymium<\/h3>\n<ul>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t k\u00e9m<\/strong> \u2013 M\u1ea5t l\u1ef1c khi nhi\u1ec7t \u0111\u1ed9 tr\u00ean 80\u2013200\u00b0C t\u00f9y theo c\u1ea5p \u0111\u1ed9.<\/li>\n<li><strong>D\u1ec5 b\u1ecb \u0103n m\u00f2n<\/strong> \u2013 C\u1ea7n l\u1edbp ph\u1ee7 (niken, k\u1ebdm, epoxy) \u0111\u1ec3 ng\u0103n r\u1ec9 s\u00e9t, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c g\u1ea7n bi\u1ec3n.<\/li>\n<li><strong>Tu\u1ed5i th\u1ecd ng\u1eafn h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/strong> \u2013 Hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3m nhanh h\u01a1n n\u1ebfu ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t, \u0111\u1ed9 \u1ea9m ho\u1eb7c h\u00f3a ch\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 l\u1edbp b\u1ea3o v\u1ec7.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/h2>\n<p>Nam ch\u00e2m samari-cobalt (SmCo) v\u00e0 neodymium (NdFeB) \u0111\u1ec1u l\u00e0 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm, nh\u01b0ng ch\u00fang n\u1ed5i b\u1eadt trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u1edd kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c, nhi\u1ec7t v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang.<\/p>\n<h3>N\u01a1i s\u1eed d\u1ee5ng Nam ch\u00e2m Samarium Cobalt<\/h3>\n<p>Nam ch\u00e2m SmCo gi\u1eef \u0111\u01b0\u1ee3c s\u1ee9c m\u1ea1nh t\u1eeb trong \u0111i\u1ec1u ki\u1ec7n m\u00e0 nhi\u1ec1u nam ch\u00e2m v\u0129nh c\u1eedu kh\u00e1c th\u1ea5t b\u1ea1i. Ch\u00fang ph\u1ed5 bi\u1ebfn trong:<\/p>\n<ul>\n<li><strong>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/strong> \u2013 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ecbu nhi\u1ec7t cao n\u01a1i \u0111\u1ed9 tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/li>\n<li><strong>C\u1ea3m bi\u1ebfn \u00f4 t\u00f4<\/strong> \u2013 L\u00fd t\u01b0\u1edfng cho c\u00e1c b\u1ed9 ph\u1eadn d\u01b0\u1edbi n\u1eafp m\u00e1y nh\u01b0 c\u1ea3m bi\u1ebfn b\u00e1nh xe ABS v\u00e0 c\u1ea3m bi\u1ebfn v\u1ecb tr\u00ed ga, ch\u1ecbu nhi\u1ec7t cao v\u00e0 rung \u0111\u1ed9ng.<\/li>\n<li><strong>M\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao<\/strong> \u2013 Thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p, turbine, v\u00e0 th\u1eadm ch\u00ed d\u1ee5ng c\u1ee5 d\u1ea7u kh\u00ed n\u01a1i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a neodymium.<\/li>\n<\/ul>\n<h3>N\u01a1i s\u1eed d\u1ee5ng Nam ch\u00e2m Neodymium<\/h3>\n<p>Nam ch\u00e2m NdFeB l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u khi b\u1ea1n c\u1ea7n s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng c\u1ef1c cao v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd. Ch\u00fang xu\u1ea5t hi\u1ec7n trong:<\/p>\n<ul>\n<li><strong>\u0110i\u1ec7n t\u1eed<\/strong> \u2013 \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh, loa, tai nghe, v\u00e0 \u1ed5 c\u1ee9ng.<\/li>\n<li><strong>\u0110\u1ed9ng c\u01a1<\/strong> \u2013 \u0110\u1ed9ng c\u01a1 xe \u0111i\u1ec7n, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p, v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng robot nh\u1ecf g\u1ecdn.<\/li>\n<li><strong>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/strong> \u2013 M\u00e1y ph\u00e1t turbine gi\u00f3 v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch kh\u00e1c.<\/li>\n<li><strong>S\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng<\/strong> \u2013 Gi\u00e1 \u0111\u1ee1 d\u1ee5ng c\u1ee5 t\u1eeb t\u00ednh, kh\u00f3a, \u0111\u1ed3 ch\u01a1i, v\u00e0 thi\u1ebft b\u1ecb th\u1ec3 thao.<\/li>\n<\/ul>\n<h3>V\u00ed d\u1ee5 v\u1ec1 ngu\u1ed3n cung th\u1ef1c t\u1ebf c\u1ee7a NBAEM<\/h3>\n<p>Theo kinh nghi\u1ec7m c\u1ee7a NBAEM trong vi\u1ec7c cung c\u1ea5p cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam:<\/p>\n<ul>\n<li>Ch\u00fang t\u00f4i \u0111\u00e3 cung c\u1ea5p <strong>nam ch\u00e2m SmCo<\/strong> cho c\u00e1c c\u00f4ng ty h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 t\u1ea1i Vi\u1ec7t Nam c\u1ea7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao trong h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ebfn bay.<\/li>\n<li>Ch\u00fang t\u00f4i \u0111\u00e3 cung c\u1ea5p <strong>nam ch\u00e2m NdFeB<\/strong> \u0111\u1ebfn c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n t\u1ea1i Vi\u1ec7t Nam th\u00fac \u0111\u1ea9y m\u00f4-men xo\u1eafn l\u1edbn h\u01a1n trong m\u1ed9t kh\u00f4ng gian nh\u1ecf h\u01a1n.<\/li>\n<li>Kh\u00e1ch h\u00e0ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o t\u1ea1i Vi\u1ec7t Nam \u0111\u00e3 l\u1ea5y c\u00e1c b\u1ed9 ph\u1eadn NdFeB l\u1edbn t\u1eeb ch\u00fang t\u00f4i \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 c\u1ee7a turbine gi\u00f3.<\/li>\n<li>M\u1ed9t kh\u00e1ch h\u00e0ng \u00f4 t\u00f4 t\u1ea1i Vi\u1ec7t Nam \u0111\u00e3 chuy\u1ec3n sang c\u1ea3m bi\u1ebfn SmCo t\u1eeb NBAEM \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 m\u1ea5t t\u1eeb t\u00ednh do nhi\u1ec7t trong \u0111i\u1ec7n t\u1eed khoang \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<p>SmCo ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t khi nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh, trong khi NdFeB chi\u1ebfn th\u1eafng khi k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u1edbi s\u1ee9c m\u1ea1nh t\u1ed1i \u0111a l\u00e0 m\u1ee5c ti\u00eau ch\u00ednh.<\/p>\n<h2>Chi ph\u00ed v\u00e0 c\u00e1c th\u00f4ng tin v\u1ec1 chu\u1ed7i cung \u1ee9ng<\/h2>\n<p>Khi so s\u00e1nh nam ch\u00e2m samarium cobalt v\u00e0 neodymium, chi ph\u00ed l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u0111\u1ea7u ti\u00ean m\u00e0 h\u1ea7u h\u1ebft ng\u01b0\u1eddi mua t\u1ea1i Vi\u1ec7t Nam xem x\u00e9t. N\u00f3i chung, nam ch\u00e2m SmCo \u0111\u1eaft h\u01a1n nam ch\u00e2m NdFeB. \u0110i\u1ec1u n\u00e0y b\u1edfi v\u00ec <strong>samarium v\u00e0 cobalt l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1eaft \u0111\u1ecf<\/strong>, v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t SmCo ph\u1ee9c t\u1ea1p h\u01a1n. Nam ch\u00e2m neodymium, m\u1eb7t kh\u00e1c, \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb <strong>s\u1ef1 s\u1eb5n c\u00f3 r\u1ed9ng r\u00e3i c\u1ee7a nguy\u00ean li\u1ec7u neodymium v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t t\u1ed1i \u01b0u h\u01a1n<\/strong>, gi\u00fap gi\u1eef gi\u00e1 th\u1ea5p h\u01a1n.<\/p>\n<p>M\u1ed9t s\u1ed1 \u0111i\u1ec3m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed:<\/p>\n<ul>\n<li><strong>Gi\u00e1 nguy\u00ean li\u1ec7u:<\/strong> Chi ph\u00ed samarium v\u00e0 cobalt bi\u1ebfn \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u1ea3n l\u01b0\u1ee3ng khai th\u00e1c v\u00e0 nhu c\u1ea7u, trong khi gi\u00e1 neodymium ph\u1ee5 thu\u1ed9c v\u00e0o xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng \u0111\u1ea5t hi\u1ebfm.<\/li>\n<li><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p trong s\u1ea3n xu\u1ea5t:<\/strong> Nam ch\u00e2m SmCo y\u00eau c\u1ea7u x\u1eed l\u00fd ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/li>\n<li><strong>Kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 h\u00ecnh d\u1ea1ng:<\/strong> \u0110\u01a1n h\u00e0ng l\u1edbn h\u01a1n v\u00e0 h\u00ecnh d\u1ea1ng ti\u00eau chu\u1ea9n th\u01b0\u1eddng nh\u1eadn \u0111\u01b0\u1ee3c m\u1ee9c gi\u00e1 t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<p>T\u1eeb g\u00f3c \u0111\u1ed9 <strong>cung \u1ee9ng to\u00e0n c\u1ea7u<\/strong> , ng\u00e0nh c\u00f4ng nghi\u1ec7p nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm do Vi\u1ec7t Nam ki\u1ec3m so\u00e1t \u2014 c\u1ea3 SmCo v\u00e0 NdFeB. NBAEM l\u1ea5y h\u00e0ng tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1ng tin c\u1eady t\u1ea1i Vi\u1ec7t Nam, ngh\u0129a l\u00e0 <strong>gi\u00e1 c\u1ea3 \u1ed5n \u0111\u1ecbnh, th\u1eddi gian giao h\u00e0ng \u0111\u00e1ng tin c\u1eady v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t<\/strong> tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n \u0111\u1ebfn th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<p>Th\u1eddi gian giao h\u00e0ng \u0111i\u1ec3n h\u00ecnh:<\/p>\n<ul>\n<li><strong>C\u00e1c k\u00edch th\u01b0\u1edbc c\u00f3 s\u1eb5n trong kho:<\/strong> 1\u20132 tu\u1ea7n \u0111\u1ebfn kh\u00e1ch h\u00e0ng Vi\u1ec7t Nam.<\/li>\n<li><strong>\u0110\u1eb7t h\u00e0ng theo y\u00eau c\u1ea7u:<\/strong> 4\u20136 tu\u1ea7n t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt v\u00e0 ho\u00e0n thi\u1ec7n.<\/li>\n<\/ul>\n<p>S\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u (MOQ) thay \u0111\u1ed5i:<\/p>\n<ul>\n<li>NdFeB: th\u01b0\u1eddng MOQ th\u1ea5p h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c l\u00f4 nh\u1ecf h\u01a1n.<\/li>\n<li>SmCo: th\u01b0\u1eddng MOQ cao h\u01a1n do chi ph\u00ed thi\u1ebft l\u1eadp s\u1ea3n xu\u1ea5t, nh\u01b0ng NBAEM l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c quy m\u00f4 l\u00f4 linh ho\u1ea1t \u0111\u1ec3 h\u1ed7 tr\u1ee3 th\u1eed nghi\u1ec7m v\u00e0 nhu c\u1ea7u s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ty t\u1ea1i Vi\u1ec7t Nam, c\u00e2n b\u1eb1ng <strong>ng\u00e2n s\u00e1ch, \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt d\u1ef1 \u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady cung \u1ee9ng<\/strong> l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. V\u1edbi h\u1ec7 th\u1ed1ng chu\u1ed7i cung \u1ee9ng c\u1ee7a NBAEM, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn <strong>gi\u00e1 th\u00e0nh c\u1ea1nh tranh t\u1eeb c\u00e1c nh\u00e0 m\u00e1y Trung Qu\u1ed1c<\/strong> m\u00e0 kh\u00f4ng g\u1eb7p ph\u1ea3i nh\u1eefng r\u1eafc r\u1ed1i th\u01b0\u1eddng th\u1ea5y trong vi\u1ec7c t\u00ecm ngu\u1ed3n v\u00e0 nh\u1eadp kh\u1ea9u.<\/p>\n<h2>C\u00e1ch ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n<\/h2>\n<p>Khi quy\u1ebft \u0111\u1ecbnh gi\u1eefa nam ch\u00e2m samarium cobalt (SmCo) v\u00e0 neodymium (NdFeB), ch\u00fang t\u00f4i lu\u00f4n khuy\u00ean b\u1ea1n xem x\u00e9t nhu c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a d\u1ef1 \u00e1n tr\u01b0\u1edbc. Ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean \u0111\u1ed9 m\u1ea1nh t\u1eeb t\u00ednh \u2014 m\u00e0 c\u00f2n d\u1ef1a tr\u00ean n\u01a1i v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng nam ch\u00e2m, m\u00f4i tr\u01b0\u1eddng n\u00f3 s\u1ebd \u0111\u1ed1i m\u1eb7t, v\u00e0 ng\u00e2n s\u00e1ch b\u1ea1n mu\u1ed1n chi.<\/p>\n<h3>C\u00e1c c\u00e2u h\u1ecfi ch\u00ednh c\u1ea7n \u0111\u1eb7t ra<\/h3>\n<p>Tr\u01b0\u1edbc khi mua, h\u00e3y x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c chi ti\u1ebft n\u00e0y:<\/p>\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t m\u00e0 n\u00f3 s\u1ebd ch\u1ecbu \u0111\u1ef1ng l\u00e0 bao nhi\u00eau?<\/strong> N\u1ebfu n\u00f3 ho\u1ea1t \u0111\u1ed9ng n\u00f3ng (tr\u00ean 300\u00b0F), SmCo l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n.<\/li>\n<li><strong>\u0110\u1ed9 m\u1ea1nh c\u1ea7n thi\u1ebft l\u00e0 bao nhi\u00eau?<\/strong> \u0110\u1ec3 l\u1ef1c h\u00fat t\u1ed1i \u0111a trong kh\u00f4ng gian ch\u1eadt h\u1eb9p, NdFeB kh\u00f3 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua.<\/li>\n<li><strong>N\u00f3 c\u00f3 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, mu\u1ed1i ho\u1eb7c h\u00f3a ch\u1ea5t kh\u00f4ng?<\/strong> SmCo t\u1ef1 nhi\u00ean ch\u1ed1ng \u0103n m\u00f2n; NdFeB c\u1ea7n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7.<\/li>\n<li><strong>Ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n l\u00e0 bao nhi\u00eau?<\/strong> NdFeB th\u01b0\u1eddng ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n, SmCo \u0111\u1eaft h\u01a1n nh\u01b0ng b\u1ec1n h\u01a1n trong c\u00e1c thi\u1ebft l\u1eadp \u0111\u00f2i h\u1ecfi cao.<\/li>\n<\/ul>\n<h3>So s\u00e1nh nhanh<\/h3>\n<table>\n<thead>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>Cobalt Samari (SmCo)<\/th>\n<th>Neodymium (NdFeB)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9 m\u1ea1nh t\u1eeb t\u00ednh<\/td>\n<td>Cao, nh\u01b0ng th\u1ea5p h\u01a1n NdFeB<\/td>\n<td>R\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td>\n<td>Xu\u1ea5t s\u1eafc (l\u00ean \u0111\u1ebfn kho\u1ea3ng 572\u00b0F \/ 300\u00b0C)<\/td>\n<td>Kh\u00e1 (l\u00ean \u0111\u1ebfn kho\u1ea3ng 176\u00b0F \/ 80\u00b0C ti\u00eau chu\u1ea9n)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td>Xu\u1ea5t s\u1eafc (kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7)<\/td>\n<td>K\u00e9m n\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7<\/td>\n<\/tr>\n<tr>\n<td>Gi\u00e1 th\u00e0nh<\/td>\n<td>Cao h\u01a1n<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/td>\n<td>Xu\u1ea5t s\u1eafc<\/td>\n<td>V\u1eeba ph\u1ea3i (t\u00f9y thu\u1ed9c v\u00e0o l\u1edbp ph\u1ee7)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>M\u1eb9o t\u1eeb chuy\u00ean gia NBAEM<\/h3>\n<ul>\n<li><strong>H\u00e3y ngh\u0129 d\u00e0i h\u1ea1n.<\/strong> N\u1ebfu nam ch\u00e2m c\u1ee7a b\u1ea1n s\u1ebd ch\u1ecbu nhi\u1ec7t, rung \u0111\u1ed9ng ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 kh\u1eafc nghi\u1ec7t, SmCo c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed cho b\u1ea1n theo th\u1eddi gian.<\/li>\n<li><strong>D\u00e0nh cho c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn<\/strong>, chi ph\u00ed th\u1ea5p h\u01a1n c\u1ee7a NdFeB v\u00e0 \u0111\u1ed9 m\u1ea1nh cao h\u01a1n mang l\u1ea1i gi\u00e1 tr\u1ecb t\u1ed1t h\u01a1n n\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t v\u00e0 \u0103n m\u00f2n.<\/li>\n<li><strong>Ph\u00f9 h\u1ee3p c\u1ea5p \u0111\u1ed9 nam ch\u00e2m v\u1edbi \u1ee9ng d\u1ee5ng<\/strong>, kh\u00f4ng ch\u1ec9 k\u00edch th\u01b0\u1edbc \u2014 c\u00e1c c\u1ea5p \u0111\u1ed9 cao h\u01a1n c\u1ee7a c\u1ea3 hai lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t.<\/li>\n<li><strong>Y\u00eau c\u1ea7u m\u1eabu th\u1eed<\/strong> tr\u01b0\u1edbc khi cam k\u1ebft \u0111\u1eb7t h\u00e0ng l\u1edbn; NBAEM c\u00f3 th\u1ec3 cung c\u1ea5p c\u1ea3 SmCo v\u00e0 NdFeB v\u1edbi nhi\u1ec1u l\u1edbp ph\u1ee7, h\u00ecnh d\u1ea1ng v\u00e0 c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau.<\/li>\n<\/ul>\n<h2>Gi\u1ea3i ph\u00e1p nam ch\u00e2m NBAEM<\/h2>\n<p>T\u1ea1i NBAEM, ch\u00fang t\u00f4i cung c\u1ea5p c\u1ea3 <strong>samari cobalt (SmCo)<\/strong> v\u00e0 <strong>neodymi (NdFeB)<\/strong> nam ch\u00e2m v\u1edbi nhi\u1ec1u lo\u1ea1i c\u1ea5p \u0111\u1ed9, k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhu c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 ng\u00e2n s\u00e1ch kh\u00e1c nhau. D\u00f9 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cao trong c\u1ea3m bi\u1ebfn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 ho\u1eb7c s\u1ee9c m\u1ea1nh t\u1eeb t\u1ed1i \u0111a trong m\u1ed9t \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 cung c\u1ea5p ho\u1eb7c t\u00f9y ch\u1ec9nh s\u1ea3n xu\u1ea5t nam ch\u00e2m ph\u00f9 h\u1ee3p cho b\u1ea1n.<\/p>\n<p>Ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t <strong>quy tr\u00ecnh \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng<\/strong> v\u1edbi \u0111\u1ea7y \u0111\u1ee7 <strong>ch\u1ee9ng nh\u1eadn s\u1ea3n xu\u1ea5t theo ti\u00eau chu\u1ea9n ISO<\/strong> v\u00e0 ki\u1ec3m tra. M\u1ed7i l\u00f4 h\u00e0ng \u0111\u1ec1u tr\u1ea3i qua ki\u1ec3m tra k\u00edch th\u01b0\u1edbc, x\u00e1c nh\u1eadn t\u00ednh ch\u1ea5t t\u1eeb v\u00e0 ki\u1ec3m tra h\u00ecnh th\u1ee9c tr\u01b0\u1edbc khi giao h\u00e0ng. \u0110\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng t\u1ea1i Vi\u1ec7t Nam, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, \u0111\u00e1ng tin c\u1eady v\u1edbi m\u1ed7i \u0111\u01a1n h\u00e0ng.<\/p>\n<p>D\u1ecbch v\u1ee5 <strong>t\u00f9y ch\u1ec9nh c\u1ee7a ch\u00fang t\u00f4i<\/strong> bao g\u1ed3m:<\/p>\n<ul>\n<li>H\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t<\/li>\n<li>L\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<li>\u0110i\u1ec1u ch\u1ec9nh h\u01b0\u1edbng t\u1eeb<\/li>\n<li>Y\u00eau c\u1ea7u v\u1ec1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 c\u1ee9ng t\u1eeb<\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3, nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n, \u0111\u1ec1 xu\u1ea5t <strong>SmCo so v\u1edbi NdFeB<\/strong> l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p, v\u00e0 gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u0111\u1ed3ng th\u1eddi ki\u1ec3m so\u00e1t chi ph\u00ed.<\/p>\n<p>\u0110\u1ed1i v\u1edbi <strong>t\u01b0 v\u1ea5n, b\u00e1o gi\u00e1, v\u00e0 c\u1eadp nh\u1eadt th\u1eddi gian giao h\u00e0ng<\/strong>, b\u1ea1n c\u00f3 th\u1ec3:<\/p>\n<ul>\n<li>G\u1eedi email cho \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i k\u00e8m b\u1ea3n v\u1ebd ho\u1eb7c y\u00eau c\u1ea7u<\/li>\n<li>G\u1ecdi trong gi\u1edd h\u00e0nh ch\u00ednh c\u1ee7a Vi\u1ec7t Nam \u0111\u1ec3 nh\u1eadn ph\u1ea3n h\u1ed3i ngay l\u1eadp t\u1ee9c<\/li>\n<li>Y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m m\u1eabu tr\u01b0\u1edbc khi cam k\u1ebft s\u1ea3n xu\u1ea5t to\u00e0n b\u1ed9<\/li>\n<\/ul>\n<p>NBAEM c\u00f3 nhi\u1ec1u n\u0103m kinh nghi\u1ec7m cung c\u1ea5p nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam \u2014 t\u1eeb \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao \u0111\u1ebfn thi\u1ebft b\u1ecb y t\u1ebf \u2014 v\u00e0 ch\u00fang t\u00f4i x\u1eed l\u00fd c\u1ea3 c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t nh\u1ecf v\u00e0 \u0111\u01a1n h\u00e0ng l\u1edbn v\u1edbi l\u1ecbch tr\u00ecnh giao h\u00e0ng \u0111\u00e1ng tin c\u1eady.<\/p>\n<h2>Ph\u1ea7n c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3>Nam ch\u00e2m Samarium Cobalt c\u00f3 th\u1ec3 thay th\u1ebf nam ch\u00e2m Neodymium trong t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng v\u1eady. Samarium cobalt (SmCo) ch\u1ecbu nhi\u1ec7t v\u00e0 \u0103n m\u00f2n t\u1ed1t h\u01a1n, nh\u01b0ng n\u00f3 kh\u00f4ng m\u1ea1nh b\u1eb1ng neodymium (NdFeB) c\u00f9ng k\u00edch th\u01b0\u1edbc. Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 k\u00edch th\u01b0\u1edbc v\u00e0 l\u1ef1c k\u00e9o t\u1ed1i \u0111a l\u00e0 quan tr\u1ecdng \u2014 nh\u01b0 \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn ho\u1eb7c m\u00f3c t\u1eeb t\u00ednh \u2014 neodymium v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u. SmCo ph\u00f9 h\u1ee3p h\u01a1n khi nam ch\u00e2m ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao, l\u1ea1nh c\u1ef1c \u0111\u1ed9 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n.<\/p>\n<h3>Nam ch\u00e2m neodymium c\u00f3 an to\u00e0n \u0111\u1ec3 s\u1eed d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng<\/h3>\n<p>Nam ch\u00e2m neodymium b\u1eaft \u0111\u1ea7u m\u1ea5t s\u1ee9c m\u1ea1nh kho\u1ea3ng 176\u00b0F (80\u00b0C), v\u00e0 ti\u1ebfp x\u00fac k\u00e9o d\u00e0i c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t v\u0129nh vi\u1ec5n. C\u00e1c lo\u1ea1i ch\u1ecbu nhi\u1ec7t cao c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n, l\u00ean \u0111\u1ebfn kho\u1ea3ng 392\u00b0F (200\u00b0C), nh\u01b0ng v\u1eabn kh\u00f4ng ch\u1ecbu nhi\u1ec7t t\u1ed1t b\u1eb1ng SmCo. N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n th\u01b0\u1eddng xuy\u00ean g\u1eb7p nhi\u1ec7t \u0111\u1ed9 cao \u2014 nh\u01b0 c\u1ea3m bi\u1ebfn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4 d\u01b0\u1edbi n\u1eafp capo \u2014 SmCo th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n.<\/p>\n<h3>C\u00e1c l\u1edbp ph\u1ee7 n\u00e0o c\u00f3 s\u1eb5n cho nam ch\u00e2m neodymium \u0111\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n<\/h3>\n<p>Nam ch\u00e2m neodymium d\u1ec5 b\u1ecb g\u1ec9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7. C\u00e1c l\u1edbp ph\u1ee7 ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Niken-Cu-Niken (Ni-Cu-Ni)<\/strong> \u2013 Ph\u1ed5 bi\u1ebfn nh\u1ea5t, cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 chung t\u1ed1t<\/li>\n<li><strong>K\u1ebdm (Zn)<\/strong> \u2013 Ti\u1ebft ki\u1ec7m chi ph\u00ed, nh\u01b0ng \u00edt b\u1ec1n h\u01a1n<\/li>\n<li><strong>Epoxy<\/strong> \u2013 Tuy\u1ec7t v\u1eddi cho m\u00f4i tr\u01b0\u1eddng \u0111\u1ed9 \u1ea9m cao ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc mu\u1ed1i<\/li>\n<li><strong>V\u00e0ng<\/strong> \u2013 \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t ho\u1eb7c y t\u1ebf<\/li>\n<\/ul>\n<p>L\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o n\u01a1i v\u00e0 c\u00e1ch nam ch\u00e2m s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n<h3>C\u00e1ch l\u01b0u tr\u1eef nam ch\u00e2m samarium cobalt v\u00e0 neodymium \u0111\u00fang c\u00e1ch<\/h3>\n<ul>\n<li>Tr\u00e1nh \u0111\u1ec3 nam ch\u00e2m ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m cao \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n (\u0111\u1eb7c bi\u1ec7t l\u00e0 nam ch\u00e2m kh\u00f4ng ph\u1ee7 ho\u1eb7c ph\u1ee7 k\u00e9m)<\/li>\n<li>B\u1ea3o qu\u1ea3n \u1edf n\u01a1i kh\u00f4 r\u00e1o, nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, tr\u00e1nh xa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m v\u1edbi t\u1eeb tr\u01b0\u1eddng v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c mi\u1ebfng \u0111\u1ec7m c\u00e1ch ly \u0111\u1ec3 tr\u00e1nh va ch\u1ea1m ho\u1eb7c n\u1ee9t v\u1ee1 v\u00f4 t\u00ecnh<\/li>\n<li>S\u1eed d\u1ee5ng h\u1ed9p \u0111\u1ef1ng kh\u00f4ng t\u1eeb \u0111\u1ec3 v\u1eadn chuy\u1ec3n v\u00e0 l\u01b0u tr\u1eef nh\u1eb1m tr\u00e1nh g\u00e2y th\u01b0\u01a1ng t\u00edch ho\u1eb7c g\u00e2y nhi\u1ec5u c\u00e1c d\u1ee5ng c\u1ee5 kh\u00e1c<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>So s\u00e1nh nam ch\u00e2m samarium cobalt v\u00e0 neodymium v\u1ec1 \u0111\u1ed9 m\u1ea1nh, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, chi ph\u00ed v\u00e0 t\u00ecm ra lo\u1ea1i nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm ph\u00f9 h\u1ee3p nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/p>","protected":false},"author":1,"featured_media":1867,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1866","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=1866"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1866\/revisions"}],"predecessor-version":[{"id":1868,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1866\/revisions\/1868"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1867"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}