{"id":1834,"date":"2025-08-07T04:53:58","date_gmt":"2025-08-07T04:53:58","guid":{"rendered":"https:\/\/nbaem.com\/?p=1834"},"modified":"2025-08-07T05:01:20","modified_gmt":"2025-08-07T05:01:20","slug":"examples-of-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/examples-of-magnet\/","title":{"rendered":"V\u00ed d\u1ee5 v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m, c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch"},"content":{"rendered":"

N\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi nh\u1eefng lo\u1ea1i nam ch\u00e2m n\u00e0o t\u1ed3n t\u1ea1i<\/strong> v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y nh\u01b0 th\u1ebf n\u00e0o \u2014 b\u1ea1n \u0111\u00e3 \u0111\u1ebfn \u0111\u00fang n\u01a1i. T\u1eeb nh\u1eefng chi\u1ebfc nam ch\u00e2m t\u1ee7 l\u1ea1nh nh\u1ecf b\u00e9<\/strong> gi\u1eef tranh c\u1ee7a con b\u1ea1n \u0111\u1ebfn nh\u1eefng nam ch\u00e2m m\u1ea1nh m\u1ebd trong c\u00e1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00ed d\u1ee5 v\u1ec1 nam ch\u00e2m<\/strong> m\u1edf ra m\u1ed9t th\u1ebf gi\u1edbi khoa h\u1ecdc v\u00e0 \u0111\u1ed5i m\u1edbi ho\u00e0n to\u00e0n m\u1edbi.<\/p>\n

D\u00f9 b\u1ea1n l\u00e0 h\u1ecdc sinh, k\u1ef9 s\u01b0 hay ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 t\u00f2 m\u00f2, vi\u1ec7c bi\u1ebft v\u1ec1 nam ch\u00e2m kh\u00e1c nhau<\/strong> v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn. Th\u00eam v\u00e0o \u0111\u00f3, n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao, vi\u1ec7c kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c chuy\u00ean gia nh\u01b0 NBAEM ch\u1ebf t\u1ea1o v\u00e0 cung c\u1ea5p nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n c\u00f3 l\u1ee3i th\u1ebf.<\/p>\n

Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch c\u00e1c v\u00ed d\u1ee5 v\u1ec1 nam ch\u00e2m ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/strong>, gi\u1ea3i th\u00edch \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t c\u1ee7a ch\u00fang, v\u00e0 h\u01b0\u1edbng d\u1eabn b\u1ea1n qua vai tr\u00f2 c\u1ee7a ch\u00fang trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u theo phong c\u00e1ch r\u00f5 r\u00e0ng, kh\u00f4ng r\u01b0\u1eddm r\u00e0. H\u00e3y b\u1eaft \u0111\u1ea7u n\u00e0o!<\/p>\n

Nam ch\u00e2m l\u00e0 g\u00ec<\/h2>\n

Nam ch\u00e2m l\u00e0 m\u1ed9t v\u1eadt th\u1ec3 t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb, c\u00f3 kh\u1ea3 n\u0103ng h\u00fat c\u00e1c kim lo\u1ea1i nh\u01b0 s\u1eaft, nickel v\u00e0 cobalt. Tr\u01b0\u1eddng t\u1eeb n\u00e0y l\u00e0 m\u1ed9t l\u1ef1c v\u00f4 h\u00ecnh c\u00f3 th\u1ec3 k\u00e9o ho\u1eb7c \u0111\u1ea9y c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n ti\u1ebfp x\u00fac. C\u1ed1t l\u00f5i c\u1ee7a n\u00f3, t\u1eeb t\u00ednh xu\u1ea5t hi\u1ec7n t\u1eeb s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c \u0111i\u1ec7n t\u00edch, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a c\u00e1c electron trong c\u00e1c nguy\u00ean t\u1eed.<\/p>\n

Thu\u1ed9c t\u00ednh t\u1eeb t\u00ednh li\u00ean quan \u0111\u1ebfn c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u ph\u1ea3n \u1ee9ng v\u1edbi tr\u01b0\u1eddng t\u1eeb. M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u, nh\u01b0 s\u1eaft, t\u1ef1 nhi\u00ean \u0111\u00e3 c\u00f3 t\u1eeb t\u00ednh v\u00e0 c\u00f3 th\u1ec3 b\u1ecb nam ch\u00e2m h\u00f3a v\u0129nh vi\u1ec5n. Nh\u1eefng v\u1eadt kh\u00e1c, nh\u01b0 \u0111\u1ed3ng ho\u1eb7c nh\u1ef1a, kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi nam ch\u00e2m ch\u00fat n\u00e0o. Ba \u0111\u1eb7c t\u00ednh t\u1eeb ch\u00ednh c\u1ea7n bi\u1ebft l\u00e0:<\/p>\n

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  • S\u1ef1 h\u00fat v\u00e0 \u0111\u1ea9y:<\/strong> Nam ch\u00e2m c\u00f3 th\u1ec3 k\u00e9o ho\u1eb7c \u0111\u1ea9y c\u00e1c nam ch\u00e2m ho\u1eb7c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh kh\u00e1c.<\/li>\n
  • \u0110\u1ea7u t\u1eeb:<\/strong> M\u1ed7i nam ch\u00e2m c\u00f3 m\u1ed9t c\u1ef1c B\u1eafc v\u00e0 c\u1ef1c Nam, n\u01a1i l\u1ef1c t\u1eeb m\u1ea1nh nh\u1ea5t.<\/li>\n
  • Tr\u01b0\u1eddng t\u1eeb:<\/strong> Kh\u00f4ng gian xung quanh m\u1ed9t nam ch\u00e2m n\u01a1i c\u00f3 th\u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c l\u1ef1c c\u1ee7a n\u00f3.<\/li>\n<\/ul>\n

    Hi\u1ec3u nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n n\u00e0y gi\u00fap gi\u1ea3i th\u00edch t\u1ea1i sao nam ch\u00e2m l\u1ea1i h\u1eefu \u00edch trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n

    C\u00e1c lo\u1ea1i nam ch\u00e2m v\u00e0 v\u00ed d\u1ee5 c\u1ee7a ch\u00fang<\/h2>\n

     <\/p>\n

    Nam ch\u00e2m v\u0129nh c\u1eedu<\/h3>\n

    Nam ch\u00e2m v\u0129nh c\u1eedu gi\u1eef \u0111\u01b0\u1ee3c s\u1ee9c h\u00fat c\u1ee7a m\u00ecnh m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec7n. Ch\u00fang \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 nam ch\u00e2m neodymium<\/strong>, s\u1eaft t\u1eeb<\/strong>, v\u00e0 alnico<\/strong>. Nam ch\u00e2m neodymium (c\u00f2n g\u1ecdi l\u00e0 NdFeB) r\u1ea5t m\u1ea1nh v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed v\u00e0 d\u1ee5ng c\u1ee5. Nam ch\u00e2m ferrite, c\u00f2n g\u1ecdi l\u00e0 nam ch\u00e2m g\u1ed1m, c\u00f3 gi\u00e1 th\u00e0nh ph\u1ea3i ch\u0103ng h\u01a1n v\u00e0 ph\u1ed5 bi\u1ebfn trong c\u00e1c v\u1eadt d\u1ee5ng gia \u0111\u00ecnh nh\u01b0 nam ch\u00e2m t\u1ee7 l\u1ea1nh. Alnico, l\u00e0m t\u1eeb nh\u00f4m, niken v\u00e0 cobalt, n\u1ed5i ti\u1ebfng v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng trong microphone v\u00e0 m\u1ed9t s\u1ed1 c\u1ea3m bi\u1ebfn v\u00ec n\u00f3 gi\u1eef t\u1eeb t\u00ednh t\u1ed1t v\u00e0 ch\u1ecbu nhi\u1ec7t.<\/p>\n

    Nam ch\u00e2m \u0111i\u1ec7n<\/h3>\n

    Nam ch\u00e2m \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ch\u1ea1y d\u00f2ng \u0111i\u1ec7n qua c\u00e1c cu\u1ed9n d\u00e2y qu\u1ea5n quanh l\u00f5i kim lo\u1ea1i, t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb ch\u1ec9 khi \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 b\u1eadt t\u1eaft theo nhu c\u1ea7u. B\u1ea1n s\u1ebd th\u1ea5y nam ch\u00e2m \u0111i\u1ec7n trong chu\u00f4ng \u0111i\u1ec7n<\/strong>, c\u1ea7n c\u1ea9u trong b\u00e3i ph\u1ebf li\u1ec7u<\/strong> d\u00f9ng \u0111\u1ec3 n\u00e2ng c\u00e1c kim lo\u1ea1i n\u1eb7ng, v\u00e0 m\u00e1y MRI<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u1ec7nh vi\u1ec7n \u0111\u1ec3 ch\u1ee5p h\u00ecnh \u1ea3nh y h\u1ecdc.<\/p>\n

    Nam ch\u00e2m t\u1ea1m th\u1eddi ho\u1eb7c nam ch\u00e2m m\u1ec1m<\/h3>\n

    Nam ch\u00e2m t\u1ea1m th\u1eddi, hay nam ch\u00e2m m\u1ec1m, ch\u1ec9 gi\u1eef t\u1eeb t\u00ednh khi ti\u1ebfp x\u00fac v\u1edbi tr\u01b0\u1eddng t\u1eeb. Ch\u00fang m\u1ea5t t\u1eeb t\u00ednh nhanh ch\u00f3ng khi tr\u01b0\u1eddng b\u1ecb lo\u1ea1i b\u1ecf. Nh\u1eefng nam ch\u00e2m n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb s\u1eaft m\u1ec1m ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1. B\u1ea1n s\u1ebd th\u1ea5y ch\u00fang trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 bi\u1ebfn th\u1ebf<\/strong>, r\u01a1 le<\/strong>, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00e1c n\u01a1i c\u1ea7n ki\u1ec3m so\u00e1t v\u00e0 thay \u0111\u1ed5i tr\u01b0\u1eddng t\u1eeb th\u01b0\u1eddng xuy\u00ean.<\/p>\n

    \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c lo\u1ea1i nam ch\u00e2m kh\u00e1c nhau<\/h2>\n

    Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta, t\u1eeb c\u00e1c v\u1eadt d\u1ee5ng gia \u0111\u00ecnh \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn c\u00e1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p ti\u00ean ti\u1ebfn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch c\u00e1c lo\u1ea1i nam ch\u00e2m kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf:<\/p>\n

    S\u1eed d\u1ee5ng trong gia \u0111\u00ecnh<\/strong><\/p>\n

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    • nam ch\u00e2m t\u1ee7 l\u1ea1nh<\/strong> l\u00e0 c\u00e1c nam ch\u00e2m v\u0129nh c\u1eedu c\u1ed5 \u0111i\u1ec3n gi\u1eef c\u00e1c ghi ch\u00fa ho\u1eb7c h\u00ecnh \u1ea3nh tr\u00ean c\u1eeda t\u1ee7 l\u1ea1nh c\u1ee7a b\u1ea1n.<\/li>\n
    • Kh\u00f3a nam ch\u00e2m<\/strong> tr\u00ean trang s\u1ee9c, t\u00fai x\u00e1ch v\u00e0 c\u1eeda t\u1ee7 d\u1ef1a v\u00e0o nam ch\u00e2m \u0111\u1ec3 gi\u1eef ch\u1eb7t an to\u00e0n.<\/li>\n
    • Loa<\/strong> s\u1eed d\u1ee5ng nam ch\u00e2m, th\u01b0\u1eddng l\u00e0 lo\u1ea1i v\u0129nh c\u1eedu, \u0111\u1ec3 t\u1ea1o ra \u00e2m thanh b\u1eb1ng c\u00e1ch t\u01b0\u01a1ng t\u00e1c v\u1edbi d\u00f2ng \u0111i\u1ec7n.<\/li>\n<\/ul>\n

      \u1ee8ng d\u1ee5ng C\u00f4ng nghi\u1ec7p<\/strong><\/p>\n

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      • \u0110\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/strong> ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh v\u00e0 nam ch\u00e2m \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng v\u00e0 \u0111i\u1ec7n n\u0103ng.<\/li>\n
      • C\u1ea3m bi\u1ebfn<\/strong> trong s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ecb tr\u00ed, t\u1ed1c \u0111\u1ed9 ho\u1eb7c g\u1ea7n, \u0111\u1ea3m b\u1ea3o m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 an to\u00e0n.<\/li>\n<\/ul>\n

        \u1ee8ng d\u1ee5ng Y t\u1ebf<\/strong><\/p>\n

          \n
        • m\u00e1y MRI<\/strong> s\u1eed d\u1ee5ng nam ch\u00e2m \u0111i\u1ec7n m\u1ea1nh \u0111\u1ec3 t\u1ea1o h\u00ecnh \u1ea3nh chi ti\u1ebft b\u00ean trong c\u01a1 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1eabu thu\u1eadt.<\/li>\n
        • Li\u1ec7u ph\u00e1p t\u1eeb t\u00ednh<\/strong> thi\u1ebft b\u1ecb \u00e1p d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 gi\u1ea3m \u0111au v\u00e0 l\u1ee3i \u00edch s\u1ee9c kh\u1ecfe, m\u1eb7c d\u00f9 hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 kh\u00e1c nhau.<\/li>\n<\/ul>\n

          \u1ee8ng d\u1ee5ng \u0110i\u1ec7n t\u1eed<\/strong><\/p>\n

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          • \u1ed4 c\u1ee9ng<\/strong> trong m\u00e1y t\u00ednh l\u01b0u tr\u1eef d\u1eef li\u1ec7u b\u1eb1ng c\u00e1c tr\u01b0\u1eddng t\u1eeb nh\u1ecf tr\u00ean \u0111\u0129a, ch\u1ee7 y\u1ebfu b\u1eb1ng nam ch\u00e2m v\u0129nh c\u1eedu.<\/li>\n
          • Bi\u1ebfn \u00e1p v\u00e0 cu\u1ed9n c\u1ea3m<\/strong> s\u1eed d\u1ee5ng nam ch\u00e2m m\u1ec1m l\u00e0m l\u00f5i \u0111\u1ec3 truy\u1ec1n v\u00e0 ki\u1ec3m so\u00e1t n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 trong m\u1ecdi th\u1ee9 t\u1eeb b\u1ed9 s\u1ea1c \u0111\u1ebfn l\u01b0\u1edbi \u0111i\u1ec7n.<\/li>\n<\/ul>\n

            Hi\u1ec3u r\u00f5 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y c\u00e1ch m\u1ed7i lo\u1ea1i nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t nhu c\u1ea7u c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean \u0111\u1ed9 m\u1ea1nh, th\u1eddi gian v\u00e0 m\u00f4i tr\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y gi\u00fap doanh nghi\u1ec7p v\u00e0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m cho c\u00f4ng vi\u1ec7c ph\u00f9 h\u1ee3p.<\/p>\n

            \u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m<\/h2>\n

            Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c nam ch\u00e2m \u0111\u1ec1u gi\u1ed1ng nhau. Lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb t\u00ednh s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ea1nh c\u1ee7a nam ch\u00e2m, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n

            So s\u00e1nh \u0111\u1ed9 m\u1ea1nh t\u1eeb v\u00e0 tu\u1ed5i th\u1ecd<\/h3>\n
              \n
            • Nam ch\u00e2m Neodymium<\/strong> l\u00e0 trong s\u1ed1 nh\u1eefng lo\u1ea1i m\u1ea1nh nh\u1ea5t hi\u1ec7n c\u00f3. Ch\u00fang c\u00f3 s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 v\u00e0 gi\u1eef \u0111\u01b0\u1ee3c t\u1eeb t\u00ednh l\u00e2u h\u01a1n h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i kh\u00e1c.<\/li>\n
            • Nam ch\u00e2m ferrite<\/strong> C\u00f3 th\u1ec3 kh\u00f4ng m\u1ea1nh b\u1eb1ng neodymium, nh\u01b0ng ch\u00fang ch\u1ecbu nhi\u1ec7t v\u00e0 \u0103n m\u00f2n t\u1ed1t h\u01a1n, gi\u00fap ch\u00fang b\u1ec1n b\u1ec9 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/li>\n
            • Nam ch\u00e2m Alnico<\/strong> \u0111em l\u1ea1i \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n nh\u01b0ng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb th\u1ea5p h\u01a1n so v\u1edbi neodymium.<\/li>\n<\/ul>\n

              T\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ea5t li\u1ec7u l\u1ea1i quan tr\u1ecdng<\/h3>\n

              Ch\u1ecdn v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u00e2n b\u1eb1ng:<\/p>\n

                \n
              • \u0110\u1ed9 b\u1ec1n<\/strong> N\u00f3 s\u1ebd ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c m\u00e0i m\u00f2n v\u00e0 hao m\u00f2n nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n
              • Ch\u1ecbu nhi\u1ec7t<\/strong> N\u00f3 c\u00f3 m\u1ea5t \u0111i \u0111\u1ed9 b\u1ec1n trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng?<\/li>\n
              • Gi\u00e1 th\u00e0nh<\/strong> Nam ch\u00e2m hi\u1ec7u su\u1ea5t cao nh\u01b0 neodymium c\u00f3 gi\u00e1 cao h\u01a1n nh\u01b0ng mang l\u1ea1i c\u00f4ng su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/li>\n<\/ul>\n

                T\u1eadp trung c\u1ee7a NBAEM v\u00e0o nam ch\u00e2m hi\u1ec7u su\u1ea5t cao<\/h3>\n

                NBAEM, nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111\u00e1ng tin c\u1eady t\u1eeb Trung Qu\u1ed1c, chuy\u00ean v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 nam ch\u00e2m neodymium v\u00e0 ferrite. S\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh \u0111\u00e1ng tin c\u1eady ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u nhu c\u1ea7u c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i t\u1ea1i Vi\u1ec7t Nam. D\u00f9 b\u1ea1n c\u1ea7n nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm m\u1ea1nh m\u1ebd hay nam ch\u00e2m g\u1ed1m ti\u1ebft ki\u1ec7m chi ph\u00ed, NBAEM \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n

                Ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p Nh\u1eefng \u0111i\u1ec1u doanh nghi\u1ec7p c\u1ea7n xem x\u00e9t<\/h2>\n

                \"H\u01b0\u1edbng<\/p>\n

                Ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p cho doanh nghi\u1ec7p c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh. \u0110\u1ea7u ti\u00ean, s\u1ee9c m\u1ea1nh<\/strong> t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n c\u1ea7n m\u1ed9t l\u1ef1c gi\u1eef nh\u1eb9 nh\u01b0 nam ch\u00e2m t\u1ee7 l\u1ea1nh hay m\u1ed9t l\u1ef1c m\u1ea1nh \u0111\u1ec3 n\u00e2ng c\u00f4ng nghi\u1ec7p. Sau \u0111\u00f3, h\u00e3y xem x\u00e9t k\u00edch th\u01b0\u1edbc<\/strong> v\u00e0 \u0111\u1ecbnh h\u00ecnh ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. The m\u00f4i tr\u01b0\u1eddng<\/strong> n\u01a1i nam ch\u00e2m s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u0169ng r\u1ea5t quan tr\u1ecdng\u2014m\u1ed9t s\u1ed1 nam ch\u00e2m ch\u1ecbu nhi\u1ec7t, \u1ea9m \u01b0\u1edbt ho\u1eb7c h\u00f3a ch\u1ea5t t\u1ed1t h\u01a1n nh\u1eefng lo\u1ea1i kh\u00e1c. Cu\u1ed1i c\u00f9ng, chi ph\u00ed<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u00ecm ki\u1ebfm s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u su\u1ea5t v\u00e0 ng\u00e2n s\u00e1ch.<\/p>\n

                T\u1ea1i NBAEM, h\u1ecd cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh<\/strong> ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. D\u00f9 b\u1ea1n c\u1ea7n nam ch\u00e2m v\u1edbi k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng ho\u1eb7c l\u1ef1c t\u1eeb \u0111\u1eb7c bi\u1ec7t, NBAEM l\u00e0m vi\u1ec7c ch\u1eb7t ch\u1ebd v\u1edbi kh\u00e1ch h\u00e0ng \u0111\u1ec3 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh.<\/p>\n

                V\u00ed d\u1ee5, c\u00e1c kh\u00e1ch h\u00e0ng c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng \u0111\u1eb7t h\u00e0ng nam ch\u00e2m t\u00f9y ch\u1ec9nh<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c, c\u1ea3m bi\u1ebfn ho\u1eb7c d\u1ee5ng c\u1ee5 n\u00e2ng \u0111\u1eb7c th\u00f9. Nh\u1eefng nam ch\u00e2m n\u00e0y \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 neodymium ho\u1eb7c ferrite \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c m\u1ee5c ti\u00eau v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t kh\u1eafc nghi\u1ec7t c\u1ee7a Vi\u1ec7t Nam.<\/p>\n

                L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p nh\u01b0 NBAEM gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng nam ch\u00e2m kh\u00f4ng ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n mang l\u1ea1i gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c doanh nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

                Xu h\u01b0\u1edbng v\u00e0 \u0110\u1ed5i m\u1edbi trong C\u00f4ng ngh\u1ec7 Nam ch\u00e2m<\/h2>\n

                C\u00f4ng ngh\u1ec7 nam ch\u00e2m \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm nh\u01b0 neodymium. Nh\u1eefng nam ch\u00e2m n\u00e0y ng\u00e0y c\u00e0ng m\u1ea1nh h\u01a1n, nh\u1ecf h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao trong \u0111i\u1ec7n t\u1eed, xe \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o. \u0110i\u1ec1u n\u00e0y \u0111\u1ed3ng ngh\u0129a v\u1edbi \u0111\u1ed9ng c\u01a1 t\u1ed1t h\u01a1n, thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u00eam h\u01a1n v\u00e0 tu\u1ed5i th\u1ecd l\u00e2u h\u01a1n.<\/p>\n

                B\u1ec1n v\u1eefng c\u0169ng l\u00e0 m\u1ed9t tr\u1ecdng t\u00e2m l\u1edbn. C\u00e1c c\u00f4ng ty \u0111ang l\u00e0m vi\u1ec7c \u0111\u1ec3 khai th\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh m\u1ed9t c\u00e1ch c\u00f3 tr\u00e1ch nhi\u1ec7m h\u01a1n nh\u1eb1m gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. T\u00e1i ch\u1ebf nam ch\u00e2m v\u00e0 t\u00ecm ki\u1ebfm c\u00e1c thay th\u1ebf cho c\u00e1c nguy\u00ean t\u1ed1 khan hi\u1ebfm nh\u01b0 neodymium v\u00e0 dysprosium gi\u00fap duy tr\u00ec ngu\u1ed3n cung \u1ed5n \u0111\u1ecbnh v\u00e0 gi\u00e1 c\u1ea3 h\u1ee3p l\u00fd cho c\u00e1c doanh nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

                Nh\u00ecn v\u1ec1 ph\u00eda tr\u01b0\u1edbc, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i nam ch\u00e2m s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u1edbn h\u01a1n trong c\u00f4ng ngh\u1ec7 m\u1edbi. T\u1eeb c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf ti\u00ean ti\u1ebfn nh\u01b0 m\u00e1y MRI c\u1ea3i ti\u1ebfn \u0111\u1ebfn c\u1ea3m bi\u1ebfn th\u00f4ng minh trong t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p, c\u00e1c kh\u1ea3 n\u0103ng \u0111ang m\u1edf r\u1ed9ng. C\u00e1c \u0111\u1ed5i m\u1edbi trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadt li\u1ec7u nam ch\u00e2m h\u1ee9a h\u1eb9n mang l\u1ea1i c\u00e1c s\u1ea3n ph\u1ea9m ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ec1n b\u1ec9 h\u01a1n cho s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>","protected":false},"excerpt":{"rendered":"

                Kh\u00e1m ph\u00e1 c\u00e1c v\u00ed d\u1ee5 v\u1ec1 nam ch\u00e2m bao g\u1ed3m nam ch\u00e2m v\u0129nh c\u1eedu, \u0111i\u1ec7n t\u1eeb v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y c\u00f9ng nh\u1eefng hi\u1ec3u bi\u1ebft chuy\u00ean s\u00e2u t\u1eeb NBAEM.<\/p>","protected":false},"author":1,"featured_media":1832,"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-1834","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\/industrial_custom_magnet_selection_guide_62b.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1834","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=1834"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1834\/revisions"}],"predecessor-version":[{"id":1842,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1834\/revisions\/1842"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1832"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}