{"id":1246,"date":"2024-05-27T06:28:18","date_gmt":"2024-05-27T06:28:18","guid":{"rendered":"https:\/\/nbaem.com\/?p=1246"},"modified":"2025-09-18T04:02:17","modified_gmt":"2025-09-18T04:02:17","slug":"new-applications-of-permanent-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/new-applications-of-permanent-magnets\/","title":{"rendered":"C\u00e1c \u1ee8ng D\u1ee5ng M\u1edbi c\u1ee7a Nam Ch\u00e2m V\u0129nh C\u1eedu"},"content":{"rendered":"<div class=\"post-single\">\n<div class=\"post-content\">\n<h2>T\u1ed5ng quan v\u1ec1 Nam ch\u00e2m v\u0129nh c\u1eedu<\/h2>\n<p>Nam ch\u00e2m v\u0129nh c\u1eedu l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i. Kh\u1ea3 n\u0103ng duy tr\u00ec t\u1eeb t\u00ednh c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3>C\u00e1c lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu<\/h3>\n<ul>\n<li><strong>NdFeB (Neodymium-Iron-Boron)<\/strong>: \u0110\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi s\u1ee9c m\u1ea1nh t\u1eeb c\u1ef1c k\u1ef3 v\u01b0\u1ee3t tr\u1ed9i v\u00e0 m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng cao, nam ch\u00e2m NdFeB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n ti\u00eau d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/li>\n<li><strong>SmCo (Samari-Coban)<\/strong>: Nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0103n m\u00f2n, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u00e2n s\u1ef1 v\u00e0 c\u00f4ng nghi\u1ec7p.<\/li>\n<li><strong>Alnico (Nh\u00f4m-Nickel-Cobalt)<\/strong>: Nam ch\u00e2m Alnico c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea3m bi\u1ebfn, micro v\u00e0 \u0111\u00e0n guitar \u0111i\u1ec7n.<\/li>\n<li><strong>Ferrite (Nam ch\u00e2m g\u1ed1m)<\/strong>: Ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, nam ch\u00e2m ferrite th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng, loa v\u00e0 linh ki\u1ec7n \u00f4 t\u00f4.<\/li>\n<\/ul>\n<h3>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh<\/h3>\n<p>Nam ch\u00e2m v\u0129nh c\u1eedu l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu nh\u1edd v\u00e0o:<\/p>\n<ul>\n<li><strong>N\u0103ng l\u01b0\u1ee3ng t\u1eeb cao<\/strong>: Mang l\u1ea1i tr\u01b0\u1eddng t\u1eeb m\u1ea1nh trong k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn.<\/li>\n<li><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/strong>: Ch\u1ecbu \u0111\u1ef1ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau m\u00e0 kh\u00f4ng gi\u1ea3m hi\u1ec7u su\u1ea5t.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>: \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eaft khe.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>: Cung c\u1ea5p gi\u1ea3i ph\u00e1p kinh t\u1ebf cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<h3>C\u00e1c ti\u1ebfn b\u1ed9 g\u1ea7n \u0111\u00e2y<\/h3>\n<p>Nghi\u00ean c\u1ee9u li\u00ean t\u1ee5c \u0111\u00e3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a nam ch\u00e2m v\u0129nh c\u1eedu, bao g\u1ed3m:<\/p>\n<ul>\n<li>Ph\u00e1t tri\u1ec3n h\u1ee3p kim nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ea3i thi\u1ec7n.<\/li>\n<li>S\u00e1ng t\u1ea1o trong l\u1edbp ph\u1ee7 nam ch\u00e2m \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n c\u01a1 h\u1ecdc.<\/li>\n<li>K\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t n\u00e2ng cao cho ph\u00e9p t\u1ea1o h\u00ecnh ph\u1ee9c t\u1ea1p v\u00e0 thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn.<\/li>\n<\/ul>\n<p>Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m hi\u1ec7u qu\u1ea3 h\u01a1n, b\u1ec1n b\u1ec9 h\u01a1n<\/p>\n<h2>Xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng th\u00fac \u0111\u1ea9y c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi<\/h2>\n<p>Nhu c\u1ea7u v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn, hi\u1ec7u qu\u1ea3 h\u01a1n \u0111ang th\u00fac \u0111\u1ea9y c\u00e1c s\u00e1ng ki\u1ebfn v\u1ec1 nam ch\u00e2m v\u0129nh c\u1eedu trong nhi\u1ec1u ng\u00e0nh. Khi s\u1ea3n ph\u1ea9m thu nh\u1ecf, nam ch\u00e2m ph\u1ea3i duy tr\u00ec ho\u1eb7c c\u1ea3i thi\u1ec7n c\u00f4ng su\u1ea5t trong khi ph\u00f9 h\u1ee3p v\u1edbi kh\u00f4ng gian ch\u1eadt h\u1eb9p h\u01a1n. Xu h\u01b0\u1edbng thu nh\u1ecf n\u00e0y \u0111\u1eb7c bi\u1ec7t m\u1ea1nh trong \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n.<\/p>\n<p>B\u1ec1n v\u1eefng c\u0169ng \u0111\u00f3ng vai tr\u00f2 l\u1edbn. C\u00e1c s\u00e1ng ki\u1ebfn n\u0103ng l\u01b0\u1ee3ng xanh, nh\u01b0 gi\u00f3 v\u00e0 m\u1eb7t tr\u1eddi, d\u1ef1a nhi\u1ec1u v\u00e0o c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh hi\u1ec7u su\u1ea5t cao \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng. Nam ch\u00e2m v\u0129nh c\u1eedu l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 l\u00e0m cho c\u00f4ng ngh\u1ec7 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>C\u00e1c ti\u1ebfn b\u1ed9 trong s\u1ea3n xu\u1ea5t c\u0169ng m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i m\u1edbi. C\u00e1c k\u1ef9 thu\u1eadt nh\u01b0 s\u1ea3n xu\u1ea5t c\u1ed9ng th\u00eam v\u00e0 \u0111\u00fac ch\u00ednh x\u00e1c cho ph\u00e9p c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf t\u1ea1o ra nam ch\u00e2m c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh t\u00f9y ch\u1ec9nh. S\u1ef1 linh ho\u1ea1t n\u00e0y h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng nam ch\u00e2m th\u00f4ng minh, t\u00f9y bi\u1ebfn h\u01a1n.<\/p>\n<p>V\u1ec1 khu v\u1ef1c, th\u1ecb tr\u01b0\u1eddng ch\u00e2u \u00c1 Th\u00e1i B\u00ecnh D\u01b0\u01a1ng (APAC) t\u1ea1i Vi\u1ec7t Nam th\u00fac \u0111\u1ea9y ph\u1ea7n l\u1edbn s\u1ef1 t\u0103ng tr\u01b0\u1edfng. C\u00e1c c\u00f4ng ty \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ea9y m\u1ea1nh s\u1ea3n xu\u1ea5t nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng cao, ti\u1ebft ki\u1ec7m chi ph\u00ed, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u00f4ng nghi\u1ec7p nhanh ch\u00f3ng. T\u1eadp trung n\u00e0y th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi s\u00e1ng t\u1ea1o v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn xu h\u01b0\u1edbng to\u00e0n c\u1ea7u trong vi\u1ec7c s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu. \u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m v\u00e0 vai tr\u00f2 hi\u1ec7n \u0111\u1ea1i c\u1ee7a ch\u00fang, h\u00e3y xem\u00a0<strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/permanent-magnet-applications-in-modern-technology\/\">\u1ee9ng d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu trong c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i<\/a>.<\/span><\/strong><\/p>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng ti\u00ean ti\u1ebfn trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau<\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-2846\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-300x200.webp\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-18x12.webp 18w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-200x133.webp 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-300x200.webp 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-400x267.webp 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-600x400.webp 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-768x512.webp 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-800x534.webp 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-1024x683.webp 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2-1200x800.webp 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2.webp 1300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Nam ch\u00e2m v\u0129nh c\u1eedu \u0111ang bi\u1ebfn \u0111\u1ed5i nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1edd v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o v\u00e0 c\u00e1c s\u00e1ng ki\u1ebfn g\u1ea7n \u0111\u00e2y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn nhanh v\u1ec1 n\u01a1i ch\u00fang \u0111ang t\u1ea1o ra \u1ea3nh h\u01b0\u1edfng l\u1edbn:<\/p>\n<h3>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/h3>\n<ul>\n<li><strong>Tuabin gi\u00f3<\/strong>: M\u00e1y ph\u00e1t \u0111i\u1ec7n hi\u1ec7u su\u1ea5t cao s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 nam ch\u00e2m NdFeB, \u0111\u1ec3 t\u0103ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ea7u ra trong khi gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng.<\/li>\n<li><strong>T\u1ea5m pin m\u1eb7t tr\u1eddi<\/strong>: Nam ch\u00e2m v\u0129nh c\u1eedu h\u1ed7 tr\u1ee3 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb t\u1ea5m pin m\u1eb7t tr\u1eddi ch\u00ednh x\u00e1c, n\u00e2ng cao kh\u1ea3 n\u0103ng thu n\u0103ng l\u01b0\u1ee3ng su\u1ed1t c\u1ea3 ng\u00e0y.<br \/>\n(Xem th\u00eam v\u1ec1 v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cho n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o\u00a0<span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/magnets-used-in-renewable-energy\/\" target=\"_blank\" rel=\"noopener\">t\u1ea1i \u0111\u00e2y<\/a><\/strong><\/span>)<\/li>\n<\/ul>\n<h3>Xe \u0111i\u1ec7n v\u00e0 Giao th\u00f4ng v\u1eadn t\u1ea3i<\/h3>\n<ul>\n<li><strong>\u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/strong>: Nam ch\u00e2m v\u0129nh c\u1eedu, ch\u1ee7 y\u1ebfu l\u00e0 lo\u1ea1i hi\u1ebfm, \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n hi\u1ec7u su\u1ea5t cao, n\u00e2ng cao m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>V\u1eadt li\u1ec7u nh\u1eb9<\/strong>: S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ti\u00ean ti\u1ebfn gi\u00fap gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng, n\u00e2ng cao tu\u1ed5i th\u1ecd pin v\u00e0 ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n.<\/li>\n<\/ul>\n<h3>Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng<\/h3>\n<ul>\n<li><strong>Nam ch\u00e2m nh\u1ecf g\u1ecdn, m\u1ea1nh m\u1ebd<\/strong>: Nam ch\u00e2m Neodymium nh\u1ecf gi\u00fap c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf g\u1ecdn nh\u01b0ng m\u1ea1nh m\u1ebd trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 thi\u1ebft b\u1ecb \u0111eo tay.<\/li>\n<li><strong>C\u1ea3m bi\u1ebfn t\u1eeb tr\u01b0\u1eddng v\u00e0 B\u1ed9 truy\u1ec1n \u0111\u1ed9ng<\/strong>: R\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c thi\u1ebft b\u1ecb IoT, nh\u1eefng nam ch\u00e2m n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c v\u00e0 c\u1ea3m bi\u1ebfn trong c\u00e1c g\u00f3i nh\u1ecf.<\/li>\n<\/ul>\n<h3>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf<\/h3>\n<ul>\n<li><strong>M\u00e1y MRI &amp; Ch\u1ea9n \u0111o\u00e1n<\/strong>: Nam ch\u00e2m v\u0129nh c\u1eedu cung c\u1ea5p tr\u01b0\u1eddng t\u1eeb \u1ed5n \u0111\u1ecbnh v\u00e0 m\u1ea1nh m\u1ebd c\u1ea7n thi\u1ebft cho c\u00f4ng ngh\u1ec7 h\u00ecnh \u1ea3nh.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p<\/strong>: Nam ch\u00e2m v\u0129nh c\u1eedu nh\u1ecf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong li\u1ec7u ph\u00e1p c\u1ea5y gh\u00e9p, gi\u00fap cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb y t\u1ebf b\u00ean trong c\u01a1 th\u1ec3.<\/li>\n<\/ul>\n<h3>T\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 Robot<\/h3>\n<ul>\n<li><strong>Li\u00ean k\u1ebft t\u1eeb<\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong robot \u0111\u1ec3 truy\u1ec1n m\u00f4-men xo\u1eafn kh\u00f4ng ti\u1ebfp x\u00fac, n\u00e2ng cao \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd.<\/li>\n<li><strong>\u0110\u1ed9ng c\u01a1 ch\u00ednh x\u00e1c v\u00e0 b\u1ea1c \u0111\u1ea1n<\/strong>: Nam ch\u00e2m n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c trong h\u1ec7 th\u1ed1ng b\u0103ng t\u1ea3i v\u00e0 c\u00e1nh tay robot.<\/li>\n<\/ul>\n<h3>C\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i v\u00e0 S\u00e1ng ki\u1ebfn<\/h3>\n<ul>\n<li><strong>L\u00e0m l\u1ea1nh t\u1eeb t\u00ednh<\/strong>: C\u00f4ng ngh\u1ec7 l\u00e0m m\u00e1t ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cho h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/li>\n<li><strong>S\u1ea1c kh\u00f4ng d\u00e2y v\u00e0 Maglev<\/strong>: Nam ch\u00e2m v\u0129nh c\u1eedu l\u00e0 ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea1c kh\u00f4ng d\u00e2y hi\u1ec7n \u0111\u1ea1i v\u00e0 h\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n t\u1eeb t\u00ednh.<\/li>\n<\/ul>\n<h2>Th\u00e1ch th\u1ee9c v\u00e0 tri\u1ec3n v\u1ecdng t\u01b0\u01a1ng lai<\/h2>\n<p>Th\u1ebf gi\u1edbi nam ch\u00e2m v\u0129nh c\u1eedu \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c r\u00f5 r\u00e0ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1ec1 s\u1ef1 khan hi\u1ebfm v\u1eadt li\u1ec7u. C\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm nh\u01b0 neodymium v\u00e0 samarium r\u1ea5t quan tr\u1ecdng nh\u01b0ng h\u1ea1n ch\u1ebf, khi\u1ebfn vi\u1ec7c t\u00e1i ch\u1ebf tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft. Vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c v\u1eadt li\u1ec7u n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 gi\u1ea3m \u00e1p l\u1ef1c cung \u1ee9ng \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 c\u00e1c m\u1ee5c ti\u00eau b\u1ec1n v\u1eefng.<\/p>\n<p>C\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u su\u1ea5t v\u1eabn l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i kh\u00f3 kh\u0103n. Nam ch\u00e2m hi\u1ec7u su\u1ea5t cao th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi gi\u00e1 cao, v\u00ec v\u1eady vi\u1ec7c t\u00ecm c\u00e1ch t\u1ed1i \u01b0u c\u1ea3 hai m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c ng\u00e0nh nh\u01b0 xe \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n<p>Nh\u00ecn v\u1ec1 ph\u00eda tr\u01b0\u1edbc, c\u00e1c v\u1eadt li\u1ec7u nam ch\u00e2m th\u1ebf h\u1ec7 ti\u1ebfp theo h\u1ee9a h\u1eb9n r\u1ea5t nhi\u1ec1u ti\u1ec1m n\u0103ng. C\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf cho nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm, nh\u01b0 h\u1ee3p ch\u1ea5t ferrite ti\u00ean ti\u1ebfn ho\u1eb7c h\u1ee3p kim m\u1edbi \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o, \u0111ang \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 \u0111\u1ec3 gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o t\u00e0i nguy\u00ean khan hi\u1ebfm trong khi v\u1eabn duy tr\u00ec t\u00ednh ch\u1ea5t t\u1eeb m\u1ea1nh m\u1ebd.<\/p>\n<p>NBAEM \u0111ang t\u00edch c\u1ef1c tham gia v\u00e0o con \u0111\u01b0\u1eddng \u0111\u1ed5i m\u1edbi n\u00e0y, t\u1eadp trung v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng b\u1eb1ng c\u00e1ch ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u hi\u1ec7n \u0111\u1ea1i. Cam k\u1ebft c\u1ee7a h\u1ecd bao g\u1ed3m c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf v\u00e0 th\u00fac \u0111\u1ea9y nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u0111\u1ea5t hi\u1ebfm, h\u1ed7 tr\u1ee3 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 t\u1ea1i Vi\u1ec7t Nam v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf<\/p>\n<\/div>\n<div class=\"post-footer\">\n<div class=\"post-tags\">\n<div class=\"article-categories\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<nav class=\"post-navigation thw-sept\">\n<div class=\"row no-gutters\">\n<div class=\"col-12 col-md-6\"><\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan v\u1ec1 Nam ch\u00e2m v\u0129nh c\u1eedu  \nNam ch\u00e2m v\u0129nh c\u1eedu l\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng b\u00ean ngo\u00e0i. Kh\u1ea3 n\u0103ng duy tr\u00ec t\u1eeb t\u00ednh c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong nhi\u1ec1u c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. C\u00e1c lo\u1ea1i Nam ch\u00e2m v\u0129nh c\u1eedu  \nNdFeB (Neodymium-Iron-Boron): N\u1ed5i ti\u1ebfng v\u1edbi s\u1ee9c m\u1ea1nh t\u1eeb c\u1ef1c k\u1ef3 v\u01b0\u1ee3t tr\u1ed9i [\u2026]<\/p>","protected":false},"author":1,"featured_media":2846,"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-1246","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\/Permanent_Magnets_in_Advanced_Technologies_7JunLL2.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1246","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=1246"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1246\/revisions"}],"predecessor-version":[{"id":2853,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1246\/revisions\/2853"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/2846"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}