{"id":2558,"date":"2025-09-13T04:01:53","date_gmt":"2025-09-13T04:01:53","guid":{"rendered":"https:\/\/nbaem.com\/?p=2558"},"modified":"2025-09-15T01:32:53","modified_gmt":"2025-09-15T01:32:53","slug":"magnetic-materials-in-motor-technology","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/magnetic-materials-in-motor-technology\/","title":{"rendered":"V\u1eadt li\u1ec7u t\u1eeb trong c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1"},"content":{"rendered":"<h2>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a v\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/h2>\n<p>V\u1eadt li\u1ec7u t\u1eeb t\u00ednh r\u1ea5t c\u1ea7n thi\u1ebft trong c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1 v\u00ec ch\u00fang \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1ch \u0111\u1ed9ng c\u01a1 t\u1ea1o ra l\u1ef1c v\u00e0 ho\u1ea1t \u0111\u1ed9ng. \u1ede c\u1ed1t l\u00f5i, nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb ri\u00eang bi\u1ec7t nh\u01b0 t\u1eeb h\u00f3a, \u0111\u1ed9 c\u1ee9ng t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef t\u1eeb.<\/p>\n<ul>\n<li><strong>T\u1eeb h\u00f3a<\/strong> l\u00e0 m\u1ee9c \u0111\u1ed9 m\u1ed9t v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u t\u1eeb khi ti\u1ebfp x\u00fac v\u1edbi t\u1eeb tr\u01b0\u1eddng.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb<\/strong> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u sau khi t\u1eeb tr\u01b0\u1eddng b\u1ecb lo\u1ea1i b\u1ecf.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng gi\u1eef t\u1eeb<\/strong> l\u00e0 th\u01b0\u1edbc \u0111o kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u gi\u1eef t\u1eeb trong th\u1eddi gian d\u00e0i.<\/li>\n<\/ul>\n<p>V\u1eadt li\u1ec7u t\u1eeb \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh b\u1ed1n lo\u1ea1i ch\u00ednh:<\/p>\n<ul>\n<li><strong>V\u1eadt li\u1ec7u ferromagnet<\/strong> c\u00f3 kh\u1ea3 n\u0103ng t\u1eeb m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng gi\u1eef t\u1eeb cao. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nam ch\u00e2m v\u0129nh c\u1eedu cho \u0111\u1ed9ng c\u01a1.<\/li>\n<li><strong>V\u1eadt li\u1ec7u ferrimagnetic<\/strong> hi\u1ec7n di\u1ec7n s\u1ef1 s\u1eafp x\u1ebfp t\u1eeb t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ferromagnetic nh\u01b0ng v\u1edbi c\u00e1c m\u00f4 men t\u1eeb \u0111\u1ed1i l\u1eadp kh\u00f4ng \u0111\u1ec1u nhau.<\/li>\n<li><strong>V\u1eadt li\u1ec7u paramagnetic v\u00e0 diamagnetic<\/strong> ch\u1ec9 ph\u1ea3n \u1ee9ng y\u1ebfu ho\u1eb7c \u00e2m v\u1edbi t\u1eeb tr\u01b0\u1eddng v\u00e0 th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 nh\u1ecf trong \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<p>Hi\u1ec3u r\u00f5 c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb n\u00e0y l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng trong thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1. Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1eeb \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t, m\u00f4-men xo\u1eafn, t\u1ed1c \u0111\u1ed9 v\u00e0 h\u00e0nh vi nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1\u2014l\u00e0m ch\u00fang tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng cho c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1 ti\u00ean ti\u1ebfn.<\/p>\n<h2>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb trong c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1<\/h2>\n<p>&nbsp;<\/p>\n<p>Trong c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1, vi\u1ec7c ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u t\u1eeb l\u00e0 ch\u00eca kh\u00f3a cho hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn nhanh v\u1ec1 c\u00e1c lo\u1ea1i ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:<\/p>\n<h3>Nam ch\u00e2m v\u0129nh c\u1eedu<\/h3>\n<ul>\n<li><strong>Neodymium (NdFeB):<\/strong> S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng cao, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u1ed9ng c\u01a1 m\u1ea1nh m\u1ebd, nh\u1ecf g\u1ecdn nh\u01b0 trong xe \u0111i\u1ec7n v\u00e0 drone.<\/li>\n<li><strong>Samarium Cobalt (SmCo):<\/strong> \u1ed4n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi cao.<\/li>\n<li><strong>Nam ch\u00e2m S\u1eaft t\u1eeb:<\/strong> Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, nh\u01b0ng \u0111\u1ed9 m\u1ea1nh t\u1eeb th\u1ea5p h\u01a1n so v\u1edbi nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm.<\/li>\n<\/ul>\n<h3>V\u1eadt li\u1ec7u t\u1eeb m\u1ec1m<\/h3>\n<ul>\n<li><strong>Th\u00e9p silic:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u00f5i \u0111\u1ed9ng c\u01a1 v\u00e0 bi\u1ebfn \u00e1p nh\u1edd v\u00e0o t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng th\u1ea5p v\u00e0 \u0111\u1ed9 th\u1ea5m t\u1eeb t\u1ed1t.<\/li>\n<li><strong>H\u1ee3p kim Nickel-Fe (Permalloy):<\/strong> \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi \u0111\u1ed9 c\u01b0\u1ee1ng t\u1eeb r\u1ea5t th\u1ea5p v\u00e0 \u0111\u1ed9 th\u1ea5m t\u1eeb cao, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u.<\/li>\n<\/ul>\n<h3>H\u1ee3p kim t\u1eeb v\u00e0 v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn<\/h3>\n<ul>\n<li>C\u00e1c t\u1ed5 h\u1ee3p c\u1ee7a b\u1ed9t v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00e2n b\u1eb1ng hi\u1ec7u su\u1ea5t t\u1eeb v\u1edbi d\u1ec5 d\u00e0ng s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 chuy\u00ean d\u1ee5ng.<\/li>\n<\/ul>\n<h3>So s\u00e1nh Hi\u1ec7u su\u1ea5t Ch\u00ednh c\u1ee7a V\u1eadt li\u1ec7u<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i v\u1eadt li\u1ec7u<\/th>\n<th>S\u1ea3n ph\u1ea9m N\u0103ng l\u01b0\u1ee3ng (MGOe)<\/th>\n<th>\u1ed4n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9<\/th>\n<th>Ch\u1ed1ng \u0103n m\u00f2n<\/th>\n<th>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NdFeB<\/td>\n<td>35-55<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Th\u1ea5p (c\u1ea7n ph\u1ee7 l\u1edbp b\u1ea3o v\u1ec7)<\/td>\n<td>\u0110\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td>SmCo<\/td>\n<td>20-30<\/td>\n<td>Cao<\/td>\n<td>Cao<\/td>\n<td>M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>S\u1eaft ferrit<\/td>\n<td>3-5<\/td>\n<td>Cao<\/td>\n<td>Cao<\/td>\n<td>\u0110\u1ed9ng c\u01a1 gi\u00e1 r\u1ebb<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e9p Silicon<\/td>\n<td>Kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>L\u00f5i \u0111\u1ed9ng c\u01a1<\/td>\n<\/tr>\n<tr>\n<td>H\u1ee3p kim Nickel-Fe<\/td>\n<td>Kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1eeb ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i \u0111\u1ed9ng c\u01a1, \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh v\u00e0 y\u1ebfu t\u1ed1 chi ph\u00ed. \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 t\u1eeb t\u00ednh, h\u00e3y xem <a href=\"https:\/\/nbaem.com\/vi\/what-is-a-magnetic-moment\/\" target=\"_blank\" rel=\"noopener\">l\u00e0 g\u00ec m\u1ed9t moment t\u1eeb<\/a> v\u00e0 <a href=\"https:\/\/nbaem.com\/vi\/magnetic-anisotropy\/\" target=\"_blank\" rel=\"noopener\">\u0111\u1ecbnh h\u01b0\u1edbng t\u1eeb t\u00ednh<\/a>.<\/p>\n<h2>\u1ee8ng d\u1ee5ng v\u1eadt li\u1ec7u t\u1eeb trong c\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau<\/h2>\n<p>V\u1eadt li\u1ec7u t\u1eeb \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u lo\u1ea1i \u0111\u1ed9ng c\u01a1, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 hi\u1ec7u qu\u1ea3.<\/p>\n<h3>\u0110\u1ed9ng c\u01a1 DC kh\u00f4ng ch\u1ed5i than (BLDC)<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 BLDC d\u1ef1a nhi\u1ec1u v\u00e0o <strong>nam ch\u00e2m v\u0129nh c\u1eedu<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>nam ch\u00e2m NdFeB<\/strong>, v\u00ec tr\u01b0\u1eddng t\u1eeb tr\u01b0\u1eddng m\u1ea1nh m\u1ebd v\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao c\u1ee7a ch\u00fang. Nh\u1eefng nam ch\u00e2m n\u00e0y cho ph\u00e9p \u0111\u1ed9ng c\u01a1 BLDC cung c\u1ea5p m\u00f4-men xo\u1eafn cao v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111i\u1ec7n, drone v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng.<\/p>\n<h3>\u0110\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng th\u01b0\u1eddng s\u1eed d\u1ee5ng <strong>v\u1eadt li\u1ec7u t\u1eeb m\u1ec1m<\/strong> nh\u01b0 <strong>th\u00e9p silicon<\/strong> v\u00e0 <strong>h\u1ee3p kim niken- s\u1eaft<\/strong> cho l\u00f5i stato v\u00e0 roto. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 \u0111\u1ed9 c\u01b0\u1ee1ng t\u1eeb th\u1ea5p v\u00e0 \u0111\u1ed9 th\u1ea5m t\u1eeb cao, gi\u00fap gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. Ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u1eb7ng nh\u1edd \u0111\u1ed9 b\u1ec1n v\u00e0 chi ph\u00ed h\u1ee3p l\u00fd.<\/p>\n<h3>\u0110\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9 th\u01b0\u1eddng k\u1ebft h\u1ee3p l\u00f5i t\u1eeb m\u1ec1m v\u1edbi <strong>rotor nam ch\u00e2m v\u0129nh c\u1eedu<\/strong> \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 v\u00e0 m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng <strong>nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong> cho ph\u00e9p ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ed9ng c\u01a1. Nh\u1eefng \u0111\u1ed9ng c\u01a1 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong robot, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 m\u00e1y m\u00f3c ch\u00ednh x\u00e1c.<\/p>\n<h3>C\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1 m\u1edbi n\u1ed5i<\/h3>\n<p>V\u1eadt li\u1ec7u t\u1eeb tr\u01b0\u1eddng ti\u00ean ti\u1ebfn, bao g\u1ed3m composite t\u1eeb v\u00e0 h\u1ee3p kim gi\u1ea3m \u0111\u1ea5t hi\u1ebfm, \u0111ang t\u1ea1o ra xu h\u01b0\u1edbng trong c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 m\u1edbi h\u01a1n. Ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ea3i thi\u1ec7n <strong>\u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/strong>, <strong>kh\u00e1ng \u0103n m\u00f2n<\/strong>, v\u00e0 l\u1ee3i \u00edch m\u00f4i tr\u01b0\u1eddng. Nh\u1eefng \u0111\u1ed5i m\u1edbi nh\u01b0 v\u1eady r\u1ea5t quan tr\u1ecdng cho c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111i\u1ec7n th\u1ebf h\u1ec7 m\u1edbi v\u00e0 s\u1ea3n xu\u1ea5t th\u00f4ng minh.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i \u0111\u1ed9ng c\u01a1<\/th>\n<th>V\u1eadt li\u1ec7u t\u1eeb ch\u00ednh<\/th>\n<th>L\u1ee3i \u00cdch<\/th>\n<th>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9ng c\u01a1 BLDC<\/td>\n<td>Nam ch\u00e2m v\u0129nh c\u1eedu NdFeB<\/td>\n<td>M\u00f4-men xo\u1eafn cao, k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn<\/td>\n<td>Xe \u0111i\u1ec7n, drone, thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng<\/td>\n<td>Th\u00e9p silicon, h\u1ee3p kim Ni-Fe<\/td>\n<td>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, b\u1ec1n b\u1ec9<\/td>\n<td>Truy\u1ec1n \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p, b\u01a1m<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9<\/td>\n<td>Nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm, l\u00f5i m\u1ec1m<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c, nh\u1ecf g\u1ecdn<\/td>\n<td>Robot, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i<\/td>\n<td>H\u1ee3p ch\u1ea5t t\u1eeb, h\u1ee3p kim ti\u00ean ti\u1ebfn<\/td>\n<td>\u1ed4n \u0111\u1ecbnh, th\u00e2n thi\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/td>\n<td>Xe \u0111i\u1ec7n, c\u00f4ng ngh\u1ec7 th\u00f4ng minh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ea2nh h\u01b0\u1edfng c\u1ee7a v\u1eadt li\u1ec7u t\u1eeb \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Magnetic_Materials_Impact_on_Motor_Efficiency_gjNR.webp\" alt=\"T\u00e1c \u0111\u1ed9ng c\u1ee7a V\u1eadt li\u1ec7u T\u1eeb t\u00ednh \u0111\u1ebfn Hi\u1ec7u qu\u1ea3 \u0110\u1ed9ng c\u01a1\" \/><\/p>\n<p>V\u1eadt li\u1ec7u t\u1eeb \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong vi\u1ec7c l\u00e0m cho \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n v\u00e0 b\u1ec1n h\u01a1n. L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u t\u1eeb ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 t\u0103ng \u0111\u00e1ng k\u1ec3 hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1. V\u00ed d\u1ee5, s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 NdFeB trong \u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ed5i than gi\u00fap t\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m t\u1ed5n th\u1ea5t c\u00f4ng su\u1ea5t. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9ng c\u01a1 ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n h\u01a1n cho c\u00f9ng m\u1ed9t c\u00f4ng su\u1ea5t.<\/p>\n<p>V\u1eadt li\u1ec7u t\u1eeb c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn v\u00e0 t\u1ed1c \u0111\u1ed9. Nam ch\u00e2m m\u1ea1nh h\u01a1n v\u00e0 h\u1ee3p kim t\u1eeb m\u1ec1m c\u00f3 t\u1ed5n th\u1ea5t l\u00f5i th\u1ea5p \u0111\u1ea3m b\u1ea3o truy\u1ec1n m\u00f4-men m\u01b0\u1ee3t m\u00e0 h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng t\u1ed1c \u0111\u1ed9 cao h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong xe \u0111i\u1ec7n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u01a1i hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n<p>Qu\u1ea3n l\u00fd nhi\u1ec7t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c. V\u1eadt li\u1ec7u t\u1eeb c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t gi\u1ea3m thi\u1ec3u gi\u1ea3m hi\u1ec7u su\u1ea5t khi \u0111\u1ed9ng c\u01a1 n\u00f3ng l\u00ean trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng. C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 samarium cobalt n\u1ed5i b\u1eadt \u1edf \u0111\u00e2y, duy tr\u00ec \u0111\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 qu\u00e1 nhi\u1ec7t.<\/p>\n<p>\u0110\u1ed9 b\u1ec1n c\u0169ng quan tr\u1ecdng trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf. \u0110\u1ed9ng c\u01a1 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi rung l\u1eafc, \u0111\u1ed9 \u1ea9m v\u00e0 bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, v\u00ec v\u1eady v\u1eadt li\u1ec7u t\u1eeb ph\u1ea3i ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c c\u01a1 h\u1ecdc. H\u1ee3p kim t\u1eeb m\u1ec1m v\u00e0 nam ch\u00e2m ph\u1ee7 l\u1edbp gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1eadn h\u00e0nh, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1 v\u00e0 gi\u1ea3m thi\u1ec3u b\u1ea3o tr\u00ec.<\/p>\n<p>T\u1ed5ng th\u1ec3, v\u1eadt li\u1ec7u t\u1eeb ph\u00f9 h\u1ee3p \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1, m\u00f4-men xo\u1eafn, t\u1ed1c \u0111\u1ed9, h\u00e0nh vi nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n\u2014nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t cho c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<h2>C\u00e1c y\u1ebfu t\u1ed1 v\u00e0 th\u00e1ch th\u1ee9c trong s\u1ea3n xu\u1ea5t<\/h2>\n<p>&nbsp;<\/p>\n<p>Ngu\u1ed3n cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng cao l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh trong s\u1ea3n xu\u1ea5t \u0111\u1ed9ng c\u01a1, \u0111\u1eb7c bi\u1ec7t l\u00e0 th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam n\u01a1i \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. Trung Qu\u1ed1c v\u1eabn l\u00e0 nh\u00e0 cung c\u1ea5p ch\u1ee7 ch\u1ed1t c\u1ee7a nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm nh\u01b0 NdFeB v\u00e0 Samarium Cobalt, nh\u01b0ng \u0111\u1ed9 tin c\u1eady chu\u1ed7i cung \u1ee9ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t m\u1ed1i quan t\u00e2m. T\u1ea1i NBAEM, ch\u00fang t\u00f4i t\u1eadp trung duy tr\u00ec c\u00e1c m\u1ed1i quan h\u1ec7 h\u1ee3p t\u00e1c m\u1ea1nh m\u1ebd v\u00e0 logistics minh b\u1ea1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao h\u00e0ng \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, NBAEM s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ecbnh h\u00ecnh v\u00e0 c\u1eaft ti\u00ean ti\u1ebfn ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb kh\u00e1c nhau. D\u00f9 l\u00e0m vi\u1ec7c v\u1edbi nam ch\u00e2m v\u0129nh c\u1eedu c\u1ee9ng hay th\u00e9p silic m\u1ec1m, ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 h\u01b0\u1edbng t\u1eeb l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ed9ng c\u01a1 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1eeb t\u1ed1i \u01b0u v\u00e0 hi\u1ec7u qu\u1ea3 \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 \u01b0u ti\u00ean kh\u00e1c. NBAEM tu\u00e2n th\u1ee7 c\u00e1c quy tr\u00ecnh ki\u1ec3m tra nghi\u00eam ng\u1eb7t, bao g\u1ed3m ki\u1ec3m tra t\u00ednh ch\u1ea5t t\u1eeb v\u00e0 ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh c\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u1ed7i l\u00f4 h\u00e0ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1 \u0111\u00f2i h\u1ecfi cao. C\u00e1c ch\u1ee9ng nh\u1eadn li\u00ean quan \u0111\u1ebfn v\u1eadt li\u1ec7u \u0111\u1ea1t chu\u1ea9n \u0111\u1ed9ng c\u01a1 mang l\u1ea1i s\u1ef1 t\u1ef1 tin v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n<h2>C\u00e1c xu h\u01b0\u1edbng v\u00e0 \u0111\u1ed5i m\u1edbi trong v\u1eadt li\u1ec7u t\u1eeb cho \u0111\u1ed9ng c\u01a1<\/h2>\n<div id=\"attachment_2352\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2352\" class=\"size-medium wp-image-2352\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-300x191.jpg\" alt=\"\u0111\u1ed9ng c\u01a1 DC kh\u00f4ng ch\u1ed5i than\" width=\"300\" height=\"191\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-18x12.jpg 18w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-200x127.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-300x191.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-400x255.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-460x295.jpg 460w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-600x382.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-768x489.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-800x510.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-1024x652.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor-1200x764.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/brushless-DC-motor.jpg 1372w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-2352\" class=\"wp-caption-text\">\u0111\u1ed9ng c\u01a1 DC kh\u00f4ng ch\u1ed5i than<\/p><\/div>\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ed9ng c\u01a1 \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, v\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c \u0111\u1ed9ng c\u01a1 n\u00e0y c\u0169ng v\u1eady. Nam ch\u00e2m hi\u1ec7u su\u1ea5t cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u1ea1i d\u00e0nh cho \u0111\u1ed9ng c\u01a1 xe \u0111i\u1ec7n, \u0111ang d\u1eabn \u0111\u1ea7u xu h\u01b0\u1edbng. Nh\u1eefng nam ch\u00e2m n\u00e0y cung c\u1ea5p m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t h\u01a1n, r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a \u0111\u1ed9ng c\u01a1 xe \u0111i\u1ec7n.<\/p>\n<p>C\u00f9ng l\u00fac \u0111\u00f3, xu h\u01b0\u1edbng h\u01b0\u1edbng t\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng m\u1ea1nh m\u1ebd. Nam ch\u00e2m gi\u1ea3m \u0111\u1ea5t hi\u1ebfm \u0111ang \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng, gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 hi\u1ebfm nh\u01b0 neodymium v\u00e0 dysprosium m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t. S\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y gi\u00fap gi\u1ea3i quy\u1ebft c\u1ea3 v\u1ea5n \u0111\u1ec1 chi ph\u00ed v\u00e0 r\u1ee7i ro chu\u1ed7i cung \u1ee9ng.<\/p>\n<p>T\u00e1i ch\u1ebf v\u00e0 b\u1ec1n v\u1eefng c\u0169ng tr\u1edf th\u00e0nh c\u00e1c \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u. Nhi\u1ec1u c\u00f4ng ty \u0111ang \u0111\u1ed5i m\u1edbi c\u00e1ch thu h\u1ed3i c\u00e1c v\u1eadt li\u1ec7u t\u1eeb c\u00e1c \u0111\u1ed9ng c\u01a1 c\u0169 v\u00e0 r\u00e1c th\u1ea3i \u0111i\u1ec7n t\u1eed, gi\u1ea3m nhu c\u1ea7u nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>Trung Qu\u1ed1c \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m trong c\u00e1c xu h\u01b0\u1edbng n\u00e0y, th\u00fac \u0111\u1ea9y ph\u1ea7n l\u1edbn \u0111\u1ed5i m\u1edbi to\u00e0n c\u1ea7u. NBAEM, v\u1edbi vai tr\u00f2 l\u00e0 nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh h\u00e0ng \u0111\u1ea7u t\u1eeb Trung Qu\u1ed1c, \u0111ang \u0111i \u0111\u1ea7u\u2014ph\u00e1t tri\u1ec3n h\u1ee3p kim v\u00e0 composite t\u1eeb t\u00ednh ti\u00ean ti\u1ebfn c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u su\u1ea5t, chi ph\u00ed v\u00e0 t\u00ednh b\u1ec1n v\u1eefng. Nghi\u00ean c\u1ee9u v\u00e0 c\u1ea3i ti\u1ebfn s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c c\u1ee7a h\u1ecd h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed9ng c\u01a1 t\u1ea1i Vi\u1ec7t Nam t\u00ecm ki\u1ebfm v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111\u00e1ng tin c\u1eady, ti\u00ean ti\u1ebfn nh\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u t\u1eeb hi\u1ec7u su\u1ea5t cao n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u1edbi c\u00e1c nam ch\u00e2m v\u0129nh c\u1eedu v\u00e0 m\u1ec1m ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a NBAEM.<\/p>","protected":false},"author":1,"featured_media":2378,"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-2558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/servo-motor-structure.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2558","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=2558"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2558\/revisions"}],"predecessor-version":[{"id":2665,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2558\/revisions\/2665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/2378"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=2558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=2558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=2558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}