Nh\u1edd nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y, nam ch\u00e2m NdFeB kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. C\u00e1c y\u1ebfu t\u1ed1 th\u00fac \u0111\u1ea9y nhu c\u1ea7u ch\u00ednh bao g\u1ed3m:<\/p>\n
- \n
- \u0110i\u1ec7n t\u1eed<\/strong>: Ch\u00fang cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ecdi th\u1ee9 t\u1eeb \u1ed5 c\u1ee9ng \u0111\u1ebfn loa v\u00e0 thi\u1ebft b\u1ecb \u0111eo, mang l\u1ea1i hi\u1ec7u su\u1ea5t nam ch\u00e2m nh\u1ecf g\u1ecdn, hi\u1ec7u qu\u1ea3 (xem nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed v\u00e0 m\u00e1y t\u00ednh<\/a>).<\/li>\n
- \u00d4 t\u00f4<\/strong>: \u0110\u1eb7c bi\u1ec7t trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111i\u1ec7n (EV), nam ch\u00e2m NdFeB gi\u00fap \u0111\u1ed9ng c\u01a1 nh\u1eb9 h\u01a1n, m\u1ea1nh h\u01a1n d\u1eabn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng t\u1ed1t h\u01a1n.<\/li>\n
- N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/strong>: C\u00e1c nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n turbine gi\u00f3 d\u1ef1a nhi\u1ec1u v\u00e0o nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u01b0 NdFeB \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a c\u00f4ng su\u1ea5t v\u00e0 gi\u1ea3m thi\u1ec3u b\u1ea3o tr\u00ec.<\/li>\n<\/ul>\n
S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa hi\u1ec7u qu\u1ea3 v\u1eadt li\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng khi\u1ebfn nam ch\u00e2m NdFeB tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong n\u1ec1n kinh t\u1ebf hi\u1ec7n \u0111\u1ea1i d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7, th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n trong nhi\u1ec1u l\u0129nh v\u1ef1c ti\u00ean ti\u1ebfn.<\/p>\n
Th\u00e1ch th\u1ee9c trong C\u00f4ng ngh\u1ec7 Nam ch\u00e2m NdFeB Truy\u1ec1n th\u1ed1ng<\/h2>\n
![\"Th\u00e1ch](\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/NdFeB_Magnet_Challenges_Durability_Supply_PLLpQ30a.webp\")
<\/p>\nNam ch\u00e2m NdFeB truy\u1ec1n th\u1ed1ng \u0111\u1ed1i m\u1eb7t v\u1edbi nhi\u1ec1u th\u00e1ch th\u1ee9c, \u0111\u1eb7c bi\u1ec7t li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y nhi\u1ec7t. Nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 xu h\u01b0\u1edbng m\u1ea5t \u0111i s\u1ee9c m\u1ea1nh khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, \u0111i\u1ec1u n\u00e0y gi\u1edbi h\u1ea1n kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t cao nh\u01b0 \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 v\u00e0 m\u1ed9t s\u1ed1 \u0111\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p. \u0102n m\u00f2n c\u0169ng l\u00e0 v\u1ea5n \u0111\u1ec1 kh\u00e1c\u2014nam ch\u00e2m NdFeB c\u00f3 th\u1ec3 xu\u1ed1ng c\u1ea5p nhanh ch\u00f3ng khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t m\u00e0 kh\u00f4ng c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n
M\u1ed9t th\u00e1ch th\u1ee9c l\u1edbn kh\u00e1c l\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o nguy\u00ean li\u1ec7u quan tr\u1ecdng, ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm nh\u01b0 neodymium, dysprosium v\u00e0 terbium. Nh\u1eefng nguy\u00ean t\u1ed1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb c\u00e1c khu v\u1ef1c h\u1ea1n ch\u1ebf, g\u00e2y lo ng\u1ea1i v\u1ec1 r\u1ee7i ro cung \u1ee9ng v\u00e0 bi\u1ebfn \u0111\u1ed9ng gi\u00e1, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t d\u1ef1a v\u00e0o nh\u1eadp kh\u1ea9u. S\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn trong chu\u1ed7i cung \u1ee9ng n\u00e0y l\u00e0m cho t\u00ednh b\u1ec1n v\u1eefng v\u00e0 qu\u1ea3n l\u00fd chi ph\u00ed tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n
C\u00e1c m\u1ed1i quan t\u00e2m v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 chi ph\u00ed c\u0169ng \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn s\u1ea3n xu\u1ea5t nam ch\u00e2m NdFeB truy\u1ec1n th\u1ed1ng. Khai th\u00e1c v\u00e0 ch\u1ebf bi\u1ebfn nguy\u00ean li\u1ec7u \u0111\u1ea5t hi\u1ebfm c\u00f3 d\u1ea5u ch\u00e2n m\u00f4i tr\u01b0\u1eddng \u0111\u00e1ng k\u1ec3. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam ng\u00e0y c\u00e0ng t\u1eadp trung t\u00ecm ki\u1ebfm c\u00e1c gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 \u0111\u1ed9c h\u1ea1i m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng chi ph\u00ed.<\/p>\n
C\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi v\u00e0 s\u00e1ng t\u1ea1o C\u00f4ng ngh\u1ec7 ph\u1ee7 v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t ti\u00ean ti\u1ebfn<\/h2>\n
C\u00e1c c\u00f4ng ngh\u1ec7 ph\u1ee7 t\u1eeb m\u1edbi \u0111ang t\u1ea1o ra \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ed1i v\u1edbi nam ch\u00e2m NdFeB, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c ch\u1ed1ng \u0103n m\u00f2n. C\u00e1c l\u1edbp ph\u1ee7 truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, d\u1eabn \u0111\u1ebfn r\u1ec9 s\u00e9t v\u00e0 gi\u1ea3m nhanh tu\u1ed5i th\u1ecd. C\u00e1c l\u1edbp ph\u1ee7 ti\u00ean ti\u1ebfn ng\u00e0y nay s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u s\u00e1ng t\u1ea1o gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n \u0111\u00e1ng k\u1ec3, gi\u00fap nam ch\u00e2m b\u1ec1n h\u01a1n ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n
M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t m\u1edbi nh\u1ea5t c\u00f2n n\u00e2ng cao \u0111\u1ed9 b\u1ec1n b\u1eb1ng c\u00e1ch t\u1ea1o ra c\u00e1c l\u1edbp d\u00e0y h\u01a1n, ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t h\u01a1n. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ea3m kh\u1ea3 n\u0103ng h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ho\u1eb7c s\u1eed d\u1ee5ng, gi\u00fap hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m duy tr\u00ec \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p>\n
Nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a c\u00e1c l\u1edbp ph\u1ee7 v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t n\u00e0y bao g\u1ed3m:<\/p>\n
- \n
- C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m v\u00e0 h\u00f3a ch\u1ea5t<\/li>\n
- Gia t\u0103ng tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/li>\n
- Hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p l\u1ef1c c\u01a1 h\u1ecdc<\/li>\n
- \u00cdt c\u1ea7n thay th\u1ebf th\u01b0\u1eddng xuy\u00ean h\u01a1n, gi\u1ea3m t\u1ed5ng chi ph\u00ed<\/li>\n<\/ul>\n
B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 cung c\u1ea5p nam ch\u00e2m NdFeB \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi cao, t\u1eeb \u0111i\u1ec7n t\u1eed \u0111\u1ebfn \u00f4 t\u00f4, n\u01a1i \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n
C\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi n\u1ed5i v\u00e0 \u0110\u1ed5i m\u1edbi th\u00e0nh ph\u1ea7n v\u00e0 v\u1eadt li\u1ec7u<\/h2>\n
C\u00e1c c\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi cho nam ch\u00e2m NdFeB t\u1eadp trung m\u1ea1nh v\u00e0o vi\u1ec7c thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n c\u1ee7a c\u00e1c nam ch\u00e2m n\u00e0y \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 chi ph\u00ed cao v\u00e0 r\u1ee7i ro cung \u1ee9ng. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u00e0 ph\u00e1t tri\u1ec3n gi\u1ea3m thi\u1ec3u \u0111\u1ea5t hi\u1ebfm<\/strong> ho\u1eb7c th\u1eadm ch\u00ed thay th\u1ebf t\u1eeb kh\u00f4ng \u0111\u1ea5t hi\u1ebfm<\/strong>. Nh\u1eefng l\u1ef1a ch\u1ecdn thay th\u1ebf n\u00e0y nh\u1eb1m duy tr\u00ec hi\u1ec7u su\u1ea5t t\u1eeb m\u1ea1nh m\u1ebd trong khi s\u1eed d\u1ee5ng \u00edt ho\u1eb7c kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm quan tr\u1ecdng, th\u01b0\u1eddng d\u1ec5 g\u1eb7p r\u1ee7i ro trong chu\u1ed7i cung \u1ee9ng, \u0111\u1eb7c bi\u1ec7t t\u1eeb Trung Qu\u1ed1c.<\/p>\n
\u0110\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u2014 \u0111i\u1ec3m y\u1ebfu c\u1ee7a nam ch\u00e2m NdFeB truy\u1ec1n th\u1ed1ng \u2014 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111ang t\u00edch h\u1ee3p c\u00e1c ch\u1ea5t thay th\u1ebf nh\u01b0 dysprosium v\u00e0 terbium<\/strong>. Nh\u1eefng nguy\u00ean t\u1ed1 n\u00e0y gi\u00fap nam ch\u00e2m duy tr\u00ec s\u1ee9c m\u1ea1nh v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh trong c\u00e1c m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t cao nh\u01b0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n
M\u1ed9t ph\u00e1t tri\u1ec3n th\u00fa v\u1ecb kh\u00e1c l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u t\u1eeb c\u1ea5u tr\u00fac nano<\/strong>. B\u1eb1ng c\u00e1ch thi\u1ebft k\u1ebf c\u00e1c nam ch\u00e2m \u1edf quy m\u00f4 nano, c\u00e1c v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb, bao g\u1ed3m \u0111\u1ed9 c\u1ee9ng t\u1eeb v\u00e0 n\u0103ng l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m m\u1ea1nh h\u01a1n v\u1edbi k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 nh\u1ecf h\u01a1n \u2014 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn trong ng\u00e0nh \u0111i\u1ec7n t\u1eed v\u00e0 \u00f4 t\u00f4.<\/p>\n
C\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi n\u1ed5i v\u00e0 C\u1ea3i ti\u1ebfn trong s\u1ea3n xu\u1ea5t v\u00e0 x\u1eed l\u00fd<\/h2>\n
Trong th\u1ebf gi\u1edbi \u0111\u1ed5i m\u1edbi nam ch\u00e2m NdFeB, c\u00e1c ti\u1ebfn b\u1ed9 trong s\u1ea3n xu\u1ea5t v\u00e0 x\u1eed l\u00fd \u0111ang t\u1ea1o ra \u1ea3nh h\u01b0\u1edfng th\u1ef1c s\u1ef1 \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t. M\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng l\u00e0 c\u00f4ng ngh\u1ec7 bi\u1ebfn d\u1ea1ng n\u00f3ng v\u00e0 khu\u1ebfch t\u00e1n qua grain boundary<\/strong>, gi\u00fap c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac vi c\u1ee7a nam ch\u00e2m. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn t\u00ednh ch\u1ea5t t\u1eeb m\u1ea1nh h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t h\u01a1n\u2014m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng cho c\u00e1c \u1ee9ng d\u1ee5ng trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n
M\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 kh\u00e1c l\u00e0 trong s\u1ea3n xu\u1ea5t c\u1ed9ng th\u00eam v\u00e0 in 3D<\/strong> cho nam ch\u00e2m. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p \u0111\u1ecbnh h\u00ecnh ch\u00ednh x\u00e1c v\u00e0 t\u00f9y ch\u1ec9nh m\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 s\u00e1nh k\u1ecbp. V\u1edbi in 3D, c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p c\u1ee7a nam ch\u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t nhanh h\u01a1n, gi\u1ea3m l\u00e3ng ph\u00ed v\u00e0 gi\u1ea3m chi ph\u00ed. C\u00f4ng ngh\u1ec7 n\u00e0y c\u0169ng h\u1ed7 tr\u1ee3 t\u1ea1o ra nam ch\u00e2m d\u1ecb h\u01b0\u1edbng, c\u00f3 \u0111\u1eb7c t\u00ednh t\u1eeb h\u01b0\u1edbng theo chi\u1ec1u h\u01b0\u1edbng c\u1ee5 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<\/p>\n
Gia c\u00f4ng ch\u00ednh x\u00e1c v\u00e0 ch\u1ebf t\u1ea1o nam ch\u00e2m d\u1ecb h\u01b0\u1edbng<\/strong> c\u00f2n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 nh\u1ea5t qu\u00e1n c\u1ee7a nam ch\u00e2m NdFeB. Gia c\u00f4ng ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 dung sai ch\u1eb7t ch\u1ebd v\u00e0 b\u1ec1 m\u1eb7t m\u1ecbn, c\u1ea7n thi\u1ebft cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao. T\u1ea1o ra nam ch\u00e2m d\u1ecb h\u01b0\u1edbng\u2014n\u01a1i c\u00e1c h\u1ea1t t\u1eeb \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh\u2014gi\u00fap t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t trong kh\u00f4ng gian nh\u1ecf g\u1ecdn, l\u00e0 l\u1ee3i th\u1ebf l\u1edbn trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1eadp trung v\u00e0o thu nh\u1ecf.<\/p>\n
C\u00f9ng nhau, nh\u1eefng \u0111\u1ed5i m\u1edbi trong s\u1ea3n xu\u1ea5t n\u00e0y \u0111ang th\u00fac \u0111\u1ea9y nam ch\u00e2m NdFeB \u0111\u1ea1t t\u1edbi m\u1ee9c \u0111\u1ed9 m\u1edbi v\u1ec1 \u0111\u1ed9 b\u1ec1n, hi\u1ec7u qu\u1ea3 v\u00e0 t\u00ednh linh ho\u1ea1t trong \u1ee9ng d\u1ee5ng. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi quan t\u00e2m \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t nam ch\u00e2m, h\u00e3y xem h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u1ee7a NBAEM v\u1ec1 c\u00e1ch l\u00e0m nam ch\u00e2m NdFeB<\/a>, bao g\u1ed3m c\u00e1c quy tr\u00ecnh n\u00e0y m\u1ed9t c\u00e1ch s\u00e2u s\u1eafc.<\/p>\n
C\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi n\u1ed5i v\u00e0 s\u00e1ng t\u1ea1o C\u00f4ng ngh\u1ec7 b\u1ec1n v\u1eefng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/h2>\n
B\u1ec1n v\u1eefng \u0111ang tr\u1edf th\u00e0nh \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u trong \u0111\u1ed5i m\u1edbi nam ch\u00e2m NdFeB. T\u00e1i ch\u1ebf v\u00e0 t\u00e1i s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm gi\u00fap gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n t\u00e0i nguy\u00ean h\u1ea1n ch\u1ebf v\u00e0 gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. Nhi\u1ec1u c\u00f4ng ty hi\u1ec7n t\u1eadp trung v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 thu h\u1ed3i neodymium, dysprosium v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 quan tr\u1ecdng kh\u00e1c t\u1eeb nam ch\u00e2m \u0111\u00e3 qua s\u1eed d\u1ee5ng, gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i v\u00e0 b\u1ea3o t\u1ed3n nguy\u00ean li\u1ec7u th\u00f4.<\/p>\n
Quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t xanh h\u01a1n. C\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o nam ch\u00e2m m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng. Bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nung k\u1ebft t\u1ed1i \u01b0u v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng gi\u00fap gi\u1ea3m kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i.<\/p>\n
B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c n\u1ed7 l\u1ef1c t\u00e1i ch\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t s\u1ea1ch h\u01a1n, c\u00e1c c\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi h\u1ed7 tr\u1ee3 c\u1ea3 m\u1ee5c ti\u00eau m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. S\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y l\u00e0m cho nam ch\u00e2m NdFeB b\u1ec1n v\u1eefng h\u01a1n v\u00e0 gi\u00fap \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng t\u1eeb c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam h\u01b0\u1edbng t\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p xanh h\u01a1n.<\/p>\n
C\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh Tri\u1ec3n khai c\u00f4ng ngh\u1ec7 m\u1edbi trong nam ch\u00e2m NdFeB<\/h2>\n
NBAEM \u0111\u00e3 \u0111i \u0111\u1ea7u trong vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 t\u1eeb m\u1edbi cho nam ch\u00e2m NdFeB, mang l\u1ea1i c\u00e1c s\u1ea3n ph\u1ea9m n\u1ed5i b\u1eadt v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 n\u01a1i c\u00e1c s\u00e1ng ki\u1ebfn ti\u00ean ti\u1ebfn \u0111\u00e3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1:<\/p>\n
S\u1ea3n ph\u1ea9m NdFeB ti\u00ean ti\u1ebfn v\u1edbi t\u00ednh ch\u1ea5t n\u00e2ng cao<\/h3>\n
- \n
- Nam ch\u00e2m NdFeB ch\u1ecbu nhi\u1ec7t cao<\/strong>: Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c ch\u1ea5t thay th\u1ebf dysprosium v\u00e0 v\u1eadt li\u1ec7u c\u1ea5u tr\u00fac nano c\u1ee7a NBAEM \u0111\u00e3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m gi\u1edd \u0111\u00e2y duy tr\u00ec \u0111\u1ed9 m\u1ea1nh v\u00e0 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o \u0111\u00f2i h\u1ecfi cao, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/li>\n
- Nam ch\u00e2m ch\u1ed1ng \u0103n m\u00f2n c\u1ea3i ti\u1ebfn<\/strong>: Th\u00f4ng qua c\u00f4ng ngh\u1ec7 ph\u1ee7 \u0111\u1eb7c quy\u1ec1n v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t, nam ch\u00e2m c\u1ee7a NBAEM ch\u1ed1ng r\u1ec9 s\u00e9t v\u00e0 suy gi\u1ea3m t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf truy\u1ec1n th\u1ed1ng. C\u1ea3i ti\u1ebfn n\u00e0y k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a nam ch\u00e2m, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 s\u1eed d\u1ee5ng h\u00e0ng h\u1ea3i ho\u1eb7c c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n
C\u00e2u chuy\u1ec7n th\u00e0nh c\u00f4ng c\u1ee7a kh\u00e1ch h\u00e0ng<\/h3>\n
- \n
- Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4<\/strong>: M\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t xe \u0111i\u1ec7n h\u00e0ng \u0111\u1ea7u t\u1ea1i Vi\u1ec7t Nam \u0111\u00e3 b\u00e1o c\u00e1o t\u0103ng 15% v\u1ec1 hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1 khi s\u1eed d\u1ee5ng nam ch\u00e2m NdFeB d\u1ecb h\u01b0\u1edbng n\u00f3ng bi\u1ebfn d\u1ea1ng c\u1ee7a NBAEM. Nh\u1eefng nam ch\u00e2m n\u00e0y c\u0169ng gi\u00fap gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a \u0111\u1ed9ng c\u01a1, g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n ph\u1ea1m vi v\u00e0 hi\u1ec7u su\u1ea5t pin.<\/li>\n
- Ng\u00e0nh C\u00f4ng Nghi\u1ec7p N\u0103ng L\u01b0\u1ee3ng Gi\u00f3<\/strong>: M\u1ed9t c\u00f4ng ty n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o s\u1eed d\u1ee5ng nam ch\u00e2m c\u1ee7a NBAEM v\u1edbi k\u1ef9 thu\u1eadt khu\u1ebfch t\u00e1n bi\u00ean grain boundary ti\u00ean ti\u1ebfn \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec 20% h\u00e0ng n\u0103m.<\/li>\n
- Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng<\/strong>: NBAEM \u0111\u00e3 h\u1ee3p t\u00e1c v\u1edbi m\u1ed9t c\u00f4ng ty \u0111i\u1ec7n t\u1eed t\u1ea1i Vi\u1ec7t Nam \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c nam ch\u00e2m t\u00f9y ch\u1ec9nh v\u1edbi gia c\u00f4ng ch\u00ednh x\u00e1c v\u00e0 c\u00e1c lo\u1ea1i t\u1eeb t\u00ednh ph\u00f9 h\u1ee3p, t\u1ea1o ra c\u00e1c \u0111\u1ed9ng c\u01a1 nh\u1ecf h\u01a1n, m\u1ea1nh h\u01a1n cho c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/li>\n<\/ul>\n
Nh\u1eefng v\u00ed d\u1ee5 n\u00e0y cho th\u1ea5y c\u00e1ch c\u00e1c s\u00e1ng ki\u1ebfn c\u1ee7a NBAEM \u0111ang th\u00fac \u0111\u1ea9y l\u1ee3i \u00edch th\u1ef1c t\u1ebf\u2014n\u00e2ng cao \u0111\u1ed9 tin c\u1eady s\u1ea3n ph\u1ea9m, t\u0103ng hi\u1ec7u qu\u1ea3, gi\u1ea3m chi ph\u00ed v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c th\u1ef1c h\u00e0nh b\u1ec1n v\u1eefng quan tr\u1ecdng cho th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam. T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1ch nam ch\u00e2m cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i trong \u1ee8ng d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu trong c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i<\/a> b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n
Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai v\u00e0 h\u01b0\u1edbng nghi\u00ean c\u1ee9u ph\u00e1t tri\u1ec3n trong c\u00f4ng ngh\u1ec7 nam ch\u00e2m NdFeB<\/h2>\n
![\"C\u00f4ng](\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Advanced_NdFeB_Magnet_Tech_and_AI_Integration_mSbQ.webp\")
<\/p>\nNghi\u00ean c\u1ee9u v\u1ec1 \u0111\u1ed5i m\u1edbi nam ch\u00e2m NdFeB \u0111ang di\u1ec5n ra nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t h\u01b0\u1edbng t\u1edbi c\u00e1c nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao. Nam ch\u00e2m NdFeB ch\u1ecbu nhi\u1ec7t cao r\u1ea5t quan tr\u1ecdng cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 xe \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, n\u01a1i \u0111\u1ed9 b\u1ec1n d\u01b0\u1edbi nhi\u1ec7t l\u00e0 y\u1ebfu t\u1ed1 b\u1eaft bu\u1ed9c. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c h\u1ee3p ch\u1ea5t m\u1edbi v\u00e0 ch\u1ec9nh s\u1eeda v\u1eadt li\u1ec7u \u0111\u1ec3 \u0111\u1ea9y gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c qu\u00e1 nhi\u1ec1u v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm khan hi\u1ebfm.<\/p>\n
S\u1ea3n xu\u1ea5t th\u00f4ng minh l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng kh\u00e1c \u0111ang thay \u0111\u1ed5i cu\u1ed9c ch\u01a1i. S\u1eed d\u1ee5ng AI v\u00e0 h\u1ecdc m\u00e1y gi\u00fap c\u1ea3i thi\u1ec7n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i. Vi\u1ec7c t\u00edch h\u1ee3p n\u00e0y cho ph\u00e9p gi\u00e1m s\u00e1t theo th\u1eddi gian th\u1ef1c v\u00e0 \u0111i\u1ec1u ch\u1ec9nh nhanh h\u01a1n trong c\u00e1c quy tr\u00ecnh nh\u01b0 khu\u1ebfch t\u00e1n bi\u00ean grain boundary ho\u1eb7c bi\u1ebfn d\u1ea1ng n\u00f3ng, t\u1eeb \u0111\u00f3 n\u00e2ng cao c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb c\u1ee7a nam ch\u00e2m.<\/p>\n
C\u00e1c v\u1eadt li\u1ec7u m\u1edbi n\u1ed5i c\u0169ng mang l\u1ea1i tri\u1ec3n v\u1ecdng. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang kh\u00e1m ph\u00e1 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh c\u1ea5u tr\u00fac nano v\u00e0 c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u0111\u1ea5t hi\u1ebfm c\u00f3 th\u1ec3 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c t\u1ed1t h\u01a1n v\u1edbi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng \u00edt h\u01a1n. Nh\u1eefng \u0111\u1ed9t ph\u00e1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ecbnh h\u00ecnh l\u1ea1i th\u1ecb tr\u01b0\u1eddng nam ch\u00e2m NdFeB, l\u00e0m cho nam ch\u00e2m tr\u1edf n\u00ean b\u1ec1n v\u1eefng h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p tr\u00ean to\u00e0n Vi\u1ec7t Nam.<\/p>\n
B\u1eb1ng c\u00e1ch theo d\u00f5i c\u00e1c xu h\u01b0\u1edbng n\u00e0y, t\u01b0\u01a1ng lai c\u1ee7a nam ch\u00e2m NdFeB k\u1ebft h\u1ee3p s\u1ea3n xu\u1ea5t th\u00f4ng minh h\u01a1n, v\u1eadt li\u1ec7u t\u1ed1t h\u01a1n v\u00e0 c\u00e1c t\u00ednh n\u0103ng hi\u1ec7u su\u1ea5t cao ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe. \u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p nhi\u1ec7t \u0111\u1ed9 cao, xem trang c\u1ee7a ch\u00fang t\u00f4i v\u1ec1 nam ch\u00e2m nhi\u1ec7t \u0111\u1ed9 cao<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"
Kh\u00e1m ph\u00e1 c\u00f4ng ngh\u1ec7 t\u1eeb tr\u01b0\u1eddng m\u1edbi cho nam ch\u00e2m NdFeB bao g\u1ed3m l\u1edbp ph\u1ee7 ti\u00ean ti\u1ebfn, c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u0111\u1ea5t hi\u1ebfm v\u00e0 \u0111\u1ed5i m\u1edbi trong s\u1ea3n xu\u1ea5t b\u1ec1n v\u1eefng.<\/p>","protected":false},"author":1,"featured_media":2794,"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-2786","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\/NdFeB_Magnet_Strength_Factors_Analysis_hCm1FLN9Y.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2786","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=2786"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2786\/revisions"}],"predecessor-version":[{"id":2818,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2786\/revisions\/2818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/2794"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=2786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=2786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=2786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- Ng\u00e0nh C\u00f4ng Nghi\u1ec7p N\u0103ng L\u01b0\u1ee3ng Gi\u00f3<\/strong>: M\u1ed9t c\u00f4ng ty n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o s\u1eed d\u1ee5ng nam ch\u00e2m c\u1ee7a NBAEM v\u1edbi k\u1ef9 thu\u1eadt khu\u1ebfch t\u00e1n bi\u00ean grain boundary ti\u00ean ti\u1ebfn \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u00e1y ph\u00e1t \u0111i\u1ec7n, gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec 20% h\u00e0ng n\u0103m.<\/li>\n
- Nam ch\u00e2m ch\u1ed1ng \u0103n m\u00f2n c\u1ea3i ti\u1ebfn<\/strong>: Th\u00f4ng qua c\u00f4ng ngh\u1ec7 ph\u1ee7 \u0111\u1eb7c quy\u1ec1n v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t, nam ch\u00e2m c\u1ee7a NBAEM ch\u1ed1ng r\u1ec9 s\u00e9t v\u00e0 suy gi\u1ea3m t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf truy\u1ec1n th\u1ed1ng. C\u1ea3i ti\u1ebfn n\u00e0y k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a nam ch\u00e2m, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 s\u1eed d\u1ee5ng h\u00e0ng h\u1ea3i ho\u1eb7c c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n
- Nam ch\u00e2m NdFeB ch\u1ecbu nhi\u1ec7t cao<\/strong>: Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c ch\u1ea5t thay th\u1ebf dysprosium v\u00e0 v\u1eadt li\u1ec7u c\u1ea5u tr\u00fac nano c\u1ee7a NBAEM \u0111\u00e3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m gi\u1edd \u0111\u00e2y duy tr\u00ec \u0111\u1ed9 m\u1ea1nh v\u00e0 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o \u0111\u00f2i h\u1ecfi cao, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/li>\n
- \u00d4 t\u00f4<\/strong>: \u0110\u1eb7c bi\u1ec7t trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111i\u1ec7n (EV), nam ch\u00e2m NdFeB gi\u00fap \u0111\u1ed9ng c\u01a1 nh\u1eb9 h\u01a1n, m\u1ea1nh h\u01a1n d\u1eabn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng t\u1ed1t h\u01a1n.<\/li>\n