{"id":1917,"date":"2025-08-14T08:05:30","date_gmt":"2025-08-14T08:05:30","guid":{"rendered":"https:\/\/nbaem.com\/?p=1917"},"modified":"2025-08-19T03:24:12","modified_gmt":"2025-08-19T03:24:12","slug":"hre-free-ndfeb-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/hre-free-ndfeb-magnet\/","title":{"rendered":"Nam ch\u00e2m HRE Free NdFeB Hi\u1ec7u su\u1ea5t cao v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed"},"content":{"rendered":"

N\u1ebfu b\u1ea1n \u0111\u00e3 v\u00e0 \u0111ang theo d\u00f5i ng\u00e0nh c\u00f4ng nghi\u1ec7p nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong> b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 nghe n\u00f3i v\u1ec1 nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE<\/strong> \u2014 v\u00e0 t\u1ea1i sao ch\u00fang l\u1ea1i l\u00e0m chao \u0111\u1ea3o th\u1ecb tr\u01b0\u1eddng.<\/p>\n

Nh\u1eefng nam ch\u00e2m n\u00e0y mang l\u1ea1i s\u1ee9c m\u1ea1nh \u0111\u00e1ng kinh ng\u1ea1c c\u1ee7a neodymium-\u0111\u1ed3ng-\u0111ioride<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n d\u1ef1a v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng<\/strong> t\u1ed1n k\u00e9m v\u00e0 ngu\u1ed3n cung h\u1ea1n ch\u1ebf nh\u01b0 dysprosium ho\u1eb7c terbium. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 chi ph\u00ed th\u1ea5p h\u01a1n, an ninh ngu\u1ed3n cung t\u1ed1t h\u01a1n v\u00e0 d\u1ea5u ch\u00e2n s\u1ea3n xu\u1ea5t b\u1ec1n v\u1eefng h\u01a1n \u2014 t\u1ea5t c\u1ea3 m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t cho nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/p>\n

Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd kh\u00e1m ph\u00e1 ch\u00ednh x\u00e1c nh\u1eefng g\u00ec nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE<\/strong> l\u00e0 g\u00ec, so v\u1edbi \u0111i\u1ec3m truy\u1ec1n th\u1ed1ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 t\u1ea1i sao ch\u00fang nhanh ch\u00f3ng tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1eeb \u0111\u1ed9ng c\u01a1 EV<\/strong> to tuabin gi\u00f3<\/strong>. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u.<\/p>\n

H\u00e0ng HRE Free NdFeB Magnets l\u00e0 g\u00ec<\/h2>\n

Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE l\u00e0 nam ch\u00e2m neodymium-s\u1eaft-boron \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o kh\u00f4ng c\u00f3 c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng (HREs)<\/strong> nh\u01b0 dysprosium (Dy) ho\u1eb7c terbium (Tb). Trong c\u00e1c nam ch\u00e2m NdFeB hi\u1ec7u su\u1ea5t cao truy\u1ec1n th\u1ed1ng, c\u00e1c nguy\u00ean t\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 duy tr\u00ec \u0111\u1ed9 b\u1ec1n t\u1eeb t\u00ednh \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0:<\/p>\n

    \n
  • Nam ch\u00e2m NdFeB truy\u1ec1n th\u1ed1ng<\/strong> \u2013 Th\u01b0\u1eddng ch\u1ee9a Dy ho\u1eb7c Tb cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n
  • Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE<\/strong> \u2013 S\u1eed d\u1ee5ng quy tr\u00ecnh x\u1eed l\u00fd v\u00e0 thi\u1ebft k\u1ebf h\u1ee3p kim ti\u00ean ti\u1ebfn \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng t\u1ef1 m\u00e0 kh\u00f4ng c\u1ea7n<\/strong> th\u00eam \u0111\u1ea5t hi\u1ebfm n\u1eb7ng.<\/li>\n<\/ul>\n

    T\u1ea1i sao tr\u00e1nh Dy v\u00e0 Tb<\/h3>\n
      \n
    • Khan hi\u1ebfm v\u00e0 t\u1ed1n k\u00e9m<\/strong> \u2013 Ngu\u1ed3n cung to\u00e0n c\u1ea7u h\u1ea1n ch\u1ebf v\u00e0 gi\u00e1 c\u1ea3 bi\u1ebfn \u0111\u1ed9ng.<\/li>\n
    • R\u1ee7i ro \u0111\u1ecba ch\u00ednh tr\u1ecb<\/strong> \u2013 Khai th\u00e1c v\u00e0 ch\u1ebf bi\u1ebfn t\u1eadp trung \u1edf m\u1ed9t v\u00e0i qu\u1ed1c gia.<\/li>\n
    • T\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng<\/strong> \u2013 Vi\u1ec7c khai th\u00e1c \u0111\u1ea5t hi\u1ebfm n\u1eb7ng c\u00f3 chi ph\u00ed sinh th\u00e1i cao.<\/li>\n<\/ul>\n\n\n\n\n\n\n
      Y\u1ebfu t\u1ed1<\/th>\nVai tr\u00f2 trong NdFeB truy\u1ec1n th\u1ed1ng<\/th>\nL\u00fd do tr\u00e1nh<\/th>\n<\/tr>\n<\/thead>\n
      Disprosium (Dy)<\/td>\nC\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u01b0\u1ee1ng b\u1ee9c v\u00e0 hi\u1ec7u su\u1ea5t cao nhi\u1ec7t \u0111\u1ed9<\/td>\nChi ph\u00ed cao, ngu\u1ed3n cung khan hi\u1ebfm<\/td>\n<\/tr>\n
      Terbi (Tb)<\/td>\nT\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t<\/td>\nC\u00f2n hi\u1ebfm h\u01a1n Dy, \u0111\u1eaft \u0111\u1ecf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Thay v\u00ec d\u1ef1a v\u00e0o Dy ho\u1eb7c Tb, nam ch\u00e2m kh\u00f4ng ch\u1ee9a HRE hi\u1ec7n \u0111\u1ea1i t\u1eadn d\u1ee5ng k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng grain boundary<\/strong>, c\u1ea5u tr\u00fac nano-crystalline<\/strong>, v\u00e0 th\u00e0nh ph\u1ea7n h\u1ee3p kim t\u1ed1i \u01b0u<\/strong> \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t trong khi gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng quan tr\u1ecdng.<\/p>\n

      L\u00fd do chuy\u1ec3n h\u01b0\u1edbng sang HRE Free NdFeB Magnets<\/h2>\n

      C\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng nh\u01b0 dysprosium (Dy) v\u00e0 terbium (Tb) lu\u00f4n \u0111\u1eaft \u0111\u1ecf v\u00e0 h\u1ea1n ch\u1ebf v\u1ec1 ngu\u1ed3n cung. Gi\u00e1 c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh do nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng, h\u1ea1n ch\u1ebf th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c kh\u00f3 kh\u0103n trong khai th\u00e1c, khi\u1ebfn vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch chi ph\u00ed d\u00e0i h\u1ea1n tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t. S\u1ef1 bi\u1ebfn \u0111\u1ed9ng gi\u00e1 n\u00e0y th\u00fac \u0111\u1ea9y nhi\u1ec1u c\u00f4ng ty t\u1ea1i Vi\u1ec7t Nam t\u00ecm ki\u1ebfm c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n

      Khai th\u00e1c \u0111\u1ea5t hi\u1ebfm n\u1eb7ng c\u0169ng \u0111i k\u00e8m v\u1edbi c\u00e1c m\u1ed1i lo ng\u1ea1i v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 r\u1ee7i ro \u0111\u1ecba ch\u00ednh tr\u1ecb. Ph\u1ea7n l\u1edbn s\u1ea3n l\u01b0\u1ee3ng to\u00e0n c\u1ea7u t\u1eadp trung \u1edf m\u1ed9t s\u1ed1 qu\u1ed1c gia, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng gi\u00e1n \u0111o\u1ea1n chu\u1ed7i cung \u1ee9ng n\u1ebfu \u0111i\u1ec1u ki\u1ec7n ch\u00ednh tr\u1ecb ho\u1eb7c th\u01b0\u01a1ng m\u1ea1i thay \u0111\u1ed5i. S\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn n\u00e0y l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ef1a v\u00e0o ngu\u1ed3n cung magnet \u1ed5n \u0111\u1ecbnh, nh\u01b0 xe \u0111i\u1ec7n, n\u0103ng l\u01b0\u1ee3ng gi\u00f3 v\u00e0 \u0111i\u1ec7n t\u1eed.<\/p>\n

      Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE gi\u00fap gi\u1ea3m thi\u1ec3u nh\u1eefng r\u1ee7i ro n\u00e0y. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf Dy v\u00e0 Tb, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 gi\u1eef chi ph\u00ed d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c h\u01a1n v\u00e0 chu\u1ed7i cung \u1ee9ng b\u1ec1n v\u1eefng h\u01a1n. Ch\u00fang c\u0169ng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c m\u1ee5c ti\u00eau b\u1ec1n v\u1eefng, gi\u1ea3m t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng trong khi v\u1eabn mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh m\u1ea1nh m\u1ebd.<\/p>\n

      \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng ty t\u1ea1i Vi\u1ec7t Nam, vi\u1ec7c chuy\u1ec3n sang nam ch\u00e2m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng c\u00f3 ngh\u0129a l\u00e0:<\/p>\n

        \n
      • Gi\u1ea3m ti\u1ebfp x\u00fac v\u1edbi gi\u00e1n \u0111o\u1ea1n ngu\u1ed3n cung qu\u1ed1c t\u1ebf<\/li>\n
      • C\u1ea5u tr\u00fac gi\u00e1 c\u1ea3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c h\u01a1n<\/li>\n
      • Gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng<\/li>\n
      • D\u1ec5 d\u00e0ng tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1ec1n v\u1eefng v\u00e0 ngu\u1ed3n cung n\u1ed9i \u0111\u1ecba<\/li>\n<\/ul>\n

        Chuy\u1ec3n \u0111\u1ed5i n\u00e0y kh\u00f4ng ch\u1ec9 v\u1ec1 ti\u1ebft ki\u1ec7m chi ph\u00ed\u2014n\u00f3 c\u00f2n v\u1ec1 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i v\u00e0 an ninh cung \u1ee9ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng l\u00e0 r\u1ea5t \u0111\u1eaft \u0111\u1ecf.<\/p>\n

        Th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee7a HRE Free NdFeB Magnets<\/h2>\n

        C\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng nh\u01b0 dysprosium (Dy) v\u00e0 terbium (Tb) th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nam ch\u00e2m NdFeB \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 m\u1ea1nh t\u1eeb \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb m\u1ea5t (kh\u00e1ng demagnetization). Lo\u1ea1i b\u1ecf ch\u00fang gi\u1ea3m chi ph\u00ed v\u00e0 r\u1ee7i ro cung \u1ee9ng, nh\u01b0ng c\u0169ng l\u00e0m cho vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t cao \u1edf nhi\u1ec7t \u0111\u1ed9 cao tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n.<\/p>\n

        T\u1ea1i sao Dy v\u00e0 Tb quan tr\u1ecdng<\/h3>\n
          \n
        • Vai tr\u00f2 c\u1ee7a Dy\/Tb:<\/strong> C\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb m\u1ea5t.<\/li>\n
        • Kh\u00f4ng c\u00f3 ch\u00fang:<\/strong> Nam ch\u00e2m c\u00f3 th\u1ec3 m\u1ea5t s\u1ee9c m\u1ea1nh nhanh h\u01a1n khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, \u0111\u1eb7c bi\u1ec7t tr\u00ean 150\u00b0C.<\/li>\n<\/ul>\n

          \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft k\u1ebf kh\u00f4ng ch\u1ee9a HRE<\/h3>\n
            \n
          • Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i HRE.<\/li>\n
          • C\u00f3 th\u1ec3 c\u1ea7n l\u00e0m m\u00e1t t\u1ed1t h\u01a1n ho\u1eb7c thay \u0111\u1ed5i thi\u1ebft k\u1ebf trong \u0111\u1ed9ng c\u01a1.<\/li>\n
          • Gi\u1ea3m nh\u1eb9 kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb m\u1ea5t n\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c c\u1ea3i ti\u1ebfn kh\u00e1c.<\/li>\n<\/ul>\n

            Ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 l\u00e0m cho \u0111i\u1ec1u n\u00e0y kh\u1ea3 thi<\/h3>\n

            C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t hi\u1ec7n s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ph\u1ee5c h\u1ed3i hi\u1ec7u su\u1ea5t \u0111\u00e3 m\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n Dy\/Tb:<\/p>\n

              \n
            • K\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a c\u00e1c grain boundary<\/strong> \u2013 ki\u1ec3m so\u00e1t c\u1ea5u tr\u00fac vi m\u00f4 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb m\u1ea5t.<\/li>\n
            • H\u1ee3p kim ti\u00ean ti\u1ebfn<\/strong> \u2013 \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n \u0111\u1ec3 c\u1ea3i thi\u1ec7n h\u00e0nh vi nhi\u1ec7t.<\/li>\n
            • L\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7<\/strong> \u2013 n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/li>\n<\/ul>\n

              T\u1eadp trung R&D c\u1ee7a NBAEM<\/h3>\n

              NBAEM \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c gi\u1ea3i ph\u00e1p NdFeB kh\u00f4ng ch\u1ee9a HRE \u0111\u1ec3 thu h\u1eb9p kho\u1ea3ng c\u00e1ch v\u1edbi nam ch\u00e2m Dy\/Tb b\u1eb1ng c\u00e1ch:<\/p>\n

                \n
              • H\u1ee3p kim pha tr\u1ed9n \u0111\u1ed9c quy\u1ec1n \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1eeb m\u1ea5t n\u1ed9i t\u1ea1i<\/li>\n
              • C\u00f4ng ngh\u1ec7 khu\u1ebfch t\u00e1n qua grain boundary \u1edf quy m\u00f4 nano<\/li>\n
              • L\u1edbp ph\u1ee7 hi\u1ec7u su\u1ea5t cao cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/li>\n
              • Ki\u1ec3m tra nh\u1ea5t qu\u00e1n theo ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p Vi\u1ec7t Nam<\/li>\n<\/ul>\n\n\n\n\n\n\n\n\n\n
                Thu\u1ed9c t\u00ednh<\/th>\nNdFeB truy\u1ec1n th\u1ed1ng v\u1edbi Dy\/Tb<\/th>\nNdFeB kh\u00f4ng HRE (NBAEM Ti\u00ean ti\u1ebfn)<\/th>\n<\/tr>\n<\/thead>\n
                Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb<\/td>\nR\u1ea5t cao<\/td>\nCao \u0111\u1ebfn R\u1ea5t cao<\/td>\n<\/tr>\n
                Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c t\u1ed1i \u0111a<\/td>\n150\u2013200\u00b0C<\/td>\n120\u2013180\u00b0C<\/td>\n<\/tr>\n
                Ch\u1ed1ng \u0103n m\u00f2n<\/td>\nT\u1ed1t<\/td>\nT\u1ed1t \u0111\u1ebfn Xu\u1ea5t s\u1eafc<\/td>\n<\/tr>\n
                \u1ed4n \u0111\u1ecbnh chi ph\u00ed<\/td>\nTh\u1ea5p<\/td>\nCao<\/td>\n<\/tr>\n
                R\u1ee7i ro cung \u1ee9ng<\/td>\nCao<\/td>\nTh\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                So s\u00e1nh hi\u1ec7u su\u1ea5t gi\u1eefa HRE Free v\u00e0 nam ch\u00e2m NdFeB truy\u1ec1n th\u1ed1ng<\/h2>\n

                Khi so s\u00e1nh Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE<\/strong> so v\u1edbi c\u00e1c lo\u1ea1i c\u1ea5p truy\u1ec1n th\u1ed1ng ch\u1ee9a dysprosium (Dy) ho\u1eb7c terbium (Tb), s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh th\u1ec3 hi\u1ec7n \u1edf \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch nhanh:<\/p>\n

                Thu\u1ed9c t\u00ednh t\u1eeb<\/h3>\n
                  \n
                • \u0110\u1ed9 c\u1ee9ng (HcJ):<\/strong> Nam ch\u00e2m truy\u1ec1n th\u1ed1ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, \u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u00e1c thi\u1ebft k\u1ebf kh\u00f4ng HRE m\u1edbi hi\u1ec7n nay thu h\u1eb9p ph\u1ea7n l\u1edbn kho\u1ea3ng c\u00e1ch n\u00e0y b\u1eb1ng k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng grain boundary v\u00e0 h\u1ee3p kim ti\u00ean ti\u1ebfn.<\/li>\n
                • \u0110\u1ed9 gi\u1eef t\u1eeb (Br):<\/strong> C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ed9 gi\u1eef t\u1eeb t\u01b0\u01a1ng t\u1ef1, ngh\u0129a l\u00e0 t\u1eeb t\u00ednh c\u00f2n l\u1ea1i khi kh\u00f4ng c\u00f3 tr\u01b0\u1eddng ngo\u00e0i l\u00e0 so s\u00e1nh \u0111\u01b0\u1ee3c.<\/li>\n
                • S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a (BHmax):<\/strong> G\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai lo\u1ea1i, \u0111\u1eb7c bi\u1ec7t \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li>\n<\/ul>\n

                  \u1ed4n \u0111\u1ecbnh nhi\u1ec7t<\/h3>\n
                    \n
                  • D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng:<\/strong> \u0110\u1ea5t hi\u1ebfm n\u1eb7ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tr\u00ean 150\u00b0C, v\u00ec v\u1eady nam ch\u00e2m truy\u1ec1n th\u1ed1ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n trong nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao. Tuy nhi\u00ean, c\u00e1c lo\u1ea1i c\u1ea5p kh\u00f4ng HRE ti\u00ean ti\u1ebfn hi\u1ec7n nay c\u00f3 th\u1ec3 x\u1eed l\u00fd ph\u1ea1m vi 120\u2013150\u00b0C v\u1edbi thi\u1ec3u m\u1ea5t m\u00e1t hi\u1ec7u su\u1ea5t, ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u xe \u0111i\u1ec7n v\u00e0 turbine gi\u00f3 trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p.<\/li>\n<\/ul>\n

                    \u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/h3>\n
                      \n
                    • B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n:<\/strong> T\u01b0\u01a1ng t\u1ef1 khi l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. NBAEM s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 \u0111a l\u1edbp \u0111\u1ec3 ph\u00f9 h\u1ee3p ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 b\u1ec1n truy\u1ec1n th\u1ed1ng.<\/li>\n<\/ul>\n

                      So s\u00e1nh c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec3n h\u00ecnh<\/h3>\n\n\n\n\n\n\n\n\n\n\n
                      Thu\u1ed9c t\u00ednh<\/th>\nNam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm HRE<\/th>\nNdFeB truy\u1ec1n th\u1ed1ng v\u1edbi Dy\/Tb<\/th>\n<\/tr>\n<\/thead>\n
                      H\u00e0nh tr\u00ecnh ch\u1ed1ng c\u01b0\u1ee1ng (HcJ @ RT)<\/td>\nCao<\/td>\nR\u1ea5t cao<\/td>\n<\/tr>\n
                      L\u01b0u t\u1eeb d\u01b0 (Br)<\/td>\nCao<\/td>\nCao<\/td>\n<\/tr>\n
                      S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a (BHmax)<\/td>\n35\u201345 MGOe<\/td>\n35\u201348 MGOe<\/td>\n<\/tr>\n
                      Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a<\/td>\n120\u2013150\u00b0C<\/td>\n150\u2013200\u00b0C<\/td>\n<\/tr>\n
                      Ch\u1ed1ng \u0103n m\u00f2n<\/td>\nCao v\u1edbi l\u1edbp ph\u1ee7<\/td>\nCao v\u1edbi l\u1edbp ph\u1ee7<\/td>\n<\/tr>\n
                      \u1ed4n \u0111\u1ecbnh chi ph\u00ed<\/td>\nCao h\u01a1n<\/td>\nTh\u1ea5p h\u01a1n do bi\u1ebfn \u0111\u1ed9ng gi\u00e1 HRE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      H\u1ed3 s\u01a1 hi\u1ec7u su\u1ea5t n\u00e0y cho th\u1ea5y l\u00fd do t\u1ea1i sao nam ch\u00e2m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng<\/strong> \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn m\u1ea1nh m\u1ebd cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam t\u00ecm ki\u1ebfm s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u1ec1 chi ph\u00ed m\u00e0 kh\u00f4ng hy sinh nhi\u1ec1u v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n

                      \u1ee8ng d\u1ee5ng c\u1ee7a HRE Free NdFeB Magnets<\/h2>\n

                      Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm HRE \u0111ang ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam v\u00ec ch\u00fang mang l\u1ea1i hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd m\u00e0 kh\u00f4ng d\u1ef1a v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng \u0111\u1eaft \u0111\u1ecf nh\u01b0 dysprosium ho\u1eb7c terbium. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a ch\u00fang:<\/p>\n

                      \u0110\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u1ee7a xe \u0111i\u1ec7n<\/h3>\n

                      Nh\u1eefng nam ch\u00e2m n\u00e0y cung c\u1ea5p m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t cao v\u00e0 gi\u00fap \u0111\u1ed9ng c\u01a1 xe \u0111i\u1ec7n nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3. C\u00e1c k\u1ef9 s\u01b0 s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng trong khi v\u1eabn duy tr\u00ec m\u00f4-men xo\u1eafn m\u1ea1nh \u2014 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u0103ng t\u1ed1c.<\/p>\n

                      M\u00e1y ph\u00e1t \u0111i\u1ec7n turbine gi\u00f3<\/h3>\n

                      Trong ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng gi\u00f3, \u0111\u1ed9 tin c\u1eady l\u00e0 t\u1ea5t c\u1ea3. Nam ch\u00e2m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm HRE gi\u1eef hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong khi gi\u1ea3m ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n cung \u0111\u1ea5t hi\u1ebfm n\u1eb7ng bi\u1ebfn \u0111\u1ed9ng, l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u1ea3 turbine tr\u00ean \u0111\u1ea5t li\u1ec1n v\u00e0 ngo\u00e0i kh\u01a1i.<\/p>\n

                      Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng<\/h3>\n

                      T\u1eeb loa v\u00e0 tai nghe \u0111\u1ebfn drone v\u00e0 thi\u1ebft b\u1ecb ch\u01a1i game, c\u00e1c nam ch\u00e2m hi\u1ec7u su\u1ea5t cao nh\u1ecf g\u1ecdn gi\u00fap \u0111i\u1ec7n t\u1eed nh\u1eb9 h\u01a1n, m\u1ea1nh h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n.<\/p>\n

                      Thi\u1ebft b\u1ecb y t\u1ebf v\u00e0 d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c<\/h3>\n

                      Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y MRI, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 thi\u1ebft b\u1ecb ph\u00f2ng th\u00ed nghi\u1ec7m n\u01a1i ki\u1ec3m so\u00e1t t\u1eeb tr\u01b0\u1eddng ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e0 ch\u00eca kh\u00f3a, v\u00e0 n\u01a1i cung c\u1ea5p \u1ed5n \u0111\u1ecbnh l\u00e0 \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe.<\/p>\n

                      C\u00e1c ng\u00e0nh m\u1edbi n\u1ed5i kh\u00e1c<\/h3>\n

                      Robot, t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111ang nhanh ch\u00f3ng \u00e1p d\u1ee5ng nam ch\u00e2m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng \u0111\u1ec3 qu\u1ea3n l\u00fd chi ph\u00ed l\u00e2u d\u00e0i, \u0111\u1ea3m b\u1ea3o ngu\u1ed3n cung \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n b\u1ec1n v\u1eefng nghi\u00eam ng\u1eb7t h\u01a1n.<\/p>\n

                      Danh m\u1ee5c s\u1ea3n ph\u1ea9m c\u1ee7a NBAEM v\u1ec1 HRE Free NdFeB Magnets<\/h2>\n

                      T\u1ea1i NBAEM, ch\u00fang t\u00f4i \u0111\u00e3 x\u00e2y d\u1ef1ng m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u1ea7y \u0111\u1ee7 Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE<\/strong> d\u00e0nh cho kh\u00e1ch h\u00e0ng mu\u1ed1n hi\u1ec7u su\u1ea5t cao m\u00e0 kh\u00f4ng d\u1ef1a v\u00e0o c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng nh\u01b0 dysprosium (Dy) ho\u1eb7c terbium (Tb). H\u01a1n n\u1eefa, quy tr\u00ecnh xu\u1ea5t kh\u1ea9u c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 thu\u1eadn ti\u1ec7n h\u01a1n, gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian h\u01a1n n\u1eefa<\/strong>.O<\/span><\/span>ur<\/span> d\u00f2ng s\u1ea3n ph\u1ea9m bao g\u1ed3m nhi\u1ec1u lo\u1ea1i c\u1ea5p \u0111\u1ed9, h\u00ecnh d\u1ea1ng v\u00e0 l\u1edbp ph\u1ee7 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi th\u1ee9 t\u1eeb \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao \u0111\u1ebfn \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng nh\u1ecf g\u1ecdn. N\u1ebfu b\u1ea1n c\u1ea7n k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh, \u0111\u1ed9 m\u1ea1nh t\u1eeb tr\u01b0\u1eddng ho\u1eb7c lo\u1ea1i l\u1edbp ph\u1ee7, ch\u00fang t\u00f4i cung c\u1ea5p s\u1ea3n xu\u1ea5t theo y\u00eau c\u1ea7u \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ch\u00ednh x\u00e1c c\u00e1c th\u00f4ng s\u1ed1 d\u1ef1 \u00e1n.<\/p>\n

                      Ph\u1ea1m vi s\u1ea3n ph\u1ea9m v\u00e0 t\u00f9y ch\u1ec9nh<\/h3>\n
                        \n
                      • C\u00e1c lo\u1ea1i ti\u00eau chu\u1ea9n c\u00f3 \u0111\u1ed9 c\u01b0\u1ee1ng t\u1eeb cao, kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng d\u00f9ng cho m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i<\/li>\n
                      • H\u00ecnh d\u1ea1ng: kh\u1ed1i, \u0111\u0129a, v\u00f2ng, \u0111o\u1ea1n, v\u00e0 c\u00e1c d\u1ea1ng t\u00f9y ch\u1ec9nh<\/li>\n
                      • L\u1edbp ph\u1ee7: Ni-Cu-Ni, epoxy, k\u1ebdm ho\u1eb7c Parylene t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u ch\u1ed1ng \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n<\/li>\n
                      • C\u00e1c t\u00f9y ch\u1ecdn hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u1ebfn cao<\/li>\n<\/ul>\n

                        Ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ki\u1ec3m tra<\/h3>\n

                        M\u1ed7i nam ch\u00e2m \u0111\u1ec1u tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t nghi\u00eam ng\u1eb7t<\/strong> theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng ti\u00ean ti\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o:<\/p>\n

                          \n
                        • K\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c v\u00e0 dung sai<\/li>\n
                        • \u0110\u1ed9 m\u1ea1nh t\u1eeb tr\u01b0\u1eddng nh\u1ea5t qu\u00e1n<\/li>\n
                        • Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u00e1ng tin c\u1eady<\/li>\n
                        • \u0110\u1ed9 b\u1ec1n l\u00e2u d\u00e0i trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf<\/li>\n<\/ul>\n

                          K\u1ebft qu\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh<\/h3>\n

                          C\u00e1c nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c \u0111\u1ed9ng c\u01a1 truy\u1ec1n \u0111\u1ed9ng xe \u0111i\u1ec7n, turbine gi\u00f3 v\u00e0 thi\u1ebft b\u1ecb robot tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam. Kh\u00e1ch h\u00e0ng \u0111\u00e3 ph\u1ea3n h\u1ed3i:<\/p>\n

                            \n
                          • Ngu\u1ed3n cung \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 ch\u1eadm tr\u1ec5 m\u1eb7c d\u00f9 thi\u1ebfu h\u1ee5t \u0111\u1ea5t hi\u1ebfm to\u00e0n c\u1ea7u<\/li>\n
                          • Chi ph\u00ed v\u1eadt li\u1ec7u th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i Dy\/Tb trong khi v\u1eabn duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ea7n thi\u1ebft<\/li>\n
                          • K\u1ebft qu\u1ea3 t\u00edch c\u1ef1c trong c\u00e1c th\u1eed nghi\u1ec7m phun mu\u1ed1i v\u00e0 \u0111\u1ed9 \u1ea9m l\u00e2u d\u00e0i<\/li>\n<\/ul>\n

                            Cung c\u1ea5p v\u00e0 h\u1ed7 tr\u1ee3<\/h3>\n

                            Ch\u00fang t\u00f4i duy tr\u00ec n\u0103ng l\u1ef1c s\u1ea3n xu\u1ea5t l\u1edbn v\u00e0 d\u1ef1 tr\u1eef t\u1ed3n kho \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady cung c\u1ea5p<\/strong>, v\u1edbi kinh nghi\u1ec7m xu\u1ea5t kh\u1ea9u sang th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam \u0111\u1ea3m b\u1ea3o th\u1ee7 t\u1ee5c h\u1ea3i quan su\u00f4n s\u1ebb. \u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m, ph\u00f9 h\u1ee3p k\u1ef9 thu\u1eadt v\u00e0 x\u00e1c nh\u1eadn hi\u1ec7u su\u1ea5t tr\u01b0\u1edbc v\u00e0 sau khi giao h\u00e0ng.<\/p>\n

                            C\u00e1ch nh\u1eadn m\u1eabu ho\u1eb7c l\u1eddi khuy\u00ean<\/h3>\n
                              \n
                            • Li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 b\u1ea3n v\u1ebd c\u1ee7a b\u1ea1n<\/li>\n
                            • Nh\u1eadn \u0111\u1ec1 xu\u1ea5t k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1<\/li>\n
                            • Y\u00eau c\u1ea7u m\u1eabu mi\u1ec5n ph\u00ed ho\u1eb7c gi\u1ea3m gi\u00e1 \u0111\u1ec3 th\u1eed nghi\u1ec7m<\/li>\n
                            • Nh\u1eadn h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u1ec1 thi\u1ebft k\u1ebf t\u1ed1i \u01b0u h\u00f3a<\/li>\n<\/ul>\n

                              N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf \u1ed5n \u0111\u1ecbnh, ti\u1ebft ki\u1ec7m chi ph\u00ed cho nam ch\u00e2m NdFeB truy\u1ec1n th\u1ed1ng c\u00f3 ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng, th\u00ec nam ch\u00e2m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng<\/strong> gi\u1ea3i ph\u00e1p c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng ph\u1ea3i hy sinh.<\/p>\n

                              Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai v\u00e0 tri\u1ec3n v\u1ecdng ng\u00e0nh<\/h2>\n

                              Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm \u0111ang di\u1ec5n ra nhanh ch\u00f3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong vi\u1ec7c gi\u1ea3m ho\u1eb7c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c y\u1ebfu t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng nh\u01b0 dysprosium (Dy) v\u00e0 terbium (Tb). M\u1ee5c ti\u00eau l\u1edbn l\u00e0 duy tr\u00ec \u0111\u1ed9 c\u1ee9ng cao v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t m\u00e0 kh\u00f4ng g\u1eb7p r\u1ee7i ro v\u1ec1 ngu\u1ed3n cung v\u00e0 chi ph\u00ed cao li\u00ean quan \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y.<\/p>\n

                              Trong nh\u1eefng n\u0103m t\u1edbi, ch\u00fang ta c\u00f3 th\u1ec3 mong \u0111\u1ee3i:<\/p>\n

                                \n
                              • C\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u t\u1ed1t h\u01a1n<\/strong> \u2013 C\u00e1c h\u1ee3p kim m\u1edbi, ki\u1ec3m so\u00e1t h\u1ea1t m\u1ecbn v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 ti\u00ean ti\u1ebfn \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea5t hi\u1ebfm n\u1eb7ng.<\/li>\n
                              • Hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n<\/strong> \u2013 Nam ch\u00e2m m\u1ea1nh h\u01a1n ho\u1ea1t \u0111\u1ed9ng m\u00e1t h\u01a1n v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t h\u01a1n, m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng.<\/li>\n
                              • T\u00edch h\u1ee3p t\u00e1i ch\u1ebf nhi\u1ec1u h\u01a1n<\/strong> \u2013 Thu h\u1ed3i neodymium t\u1eeb nam ch\u00e2m \u0111\u00e3 qua s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m nhu c\u1ea7u nguy\u00ean li\u1ec7u th\u00f4.<\/li>\n
                              • \u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n trong xe \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng gi\u00f3<\/strong> \u2013 \u0110\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi c\u00e1c ch\u00ednh s\u00e1ch khuy\u1ebfn kh\u00edch n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch v\u00e0 s\u1ef1 gia t\u0103ng \u0111i\u1ec7n kh\u00ed h\u00f3a.<\/li>\n<\/ul>\n

                                Nhu c\u1ea7u th\u1ecb tr\u01b0\u1eddng v\u1ec1 nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng d\u1ef1 ki\u1ebfn s\u1ebd t\u0103ng nhanh t\u1ea1i Vi\u1ec7t Nam trong th\u1eadp k\u1ef7 t\u1edbi. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t xe \u0111i\u1ec7n, c\u00e1c c\u00f4ng ty n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed \u0111\u1ec1u \u0111ang t\u00ecm ki\u1ebfm s\u1ef1 \u1ed5n \u0111\u1ecbnh trong chu\u1ed7i cung \u1ee9ng v\u00e0 ki\u1ec3m so\u00e1t chi ph\u00ed, \u0111i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi nam ch\u00e2m kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm n\u1eb7ng.<\/p>\n

                                NBAEM \u0111ang \u0111\u1ea7u t\u01b0 m\u1ea1nh v\u00e0o xu h\u01b0\u1edbng n\u00e0y. \u0110\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i \u0111ang h\u1ee3p t\u00e1c v\u1edbi c\u00e1c \u0111\u1ed1i t\u00e1c to\u00e0n c\u1ea7u \u0111\u1ec3 m\u1edf r\u1ed9ng s\u1ea3n xu\u1ea5t, c\u1ea3i thi\u1ec7n k\u1ef9 thu\u1eadt li\u00ean k\u1ebft h\u1ea1t v\u00e0 gi\u1ea3m chi ph\u00ed \u0111\u1ec3 kh\u00e1ch h\u00e0ng t\u1ea1i Vi\u1ec7t Nam c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o ngu\u1ed3n cung \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n v\u1eefng. Ch\u00fang t\u00f4i nh\u1eadn th\u1ea5y c\u00e1c gi\u1ea3i ph\u00e1p gi\u1ea3m \u0111\u1ea5t hi\u1ebfm v\u00e0 kh\u00f4ng ch\u1ee9a \u0111\u1ea5t hi\u1ebfm s\u1ebd tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n ch\u1ee9 kh\u00f4ng c\u00f2n l\u00e0 l\u0129nh v\u1ef1c ng\u00e1ch trong ng\u00e0nh c\u00f4ng nghi\u1ec7p nam ch\u00e2m.<\/p>\n

                                C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE<\/h2>\n

                                Ch\u00ednh x\u00e1c th\u00ec 'kh\u00f4ng ch\u1ee9a HRE' c\u00f3 ngh\u0129a l\u00e0 g\u00ec<\/h3>\n

                                HRE mi\u1ec5n ph\u00ed c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m \u0111\u01b0\u1ee3c l\u00e0m m\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm n\u1eb7ng nh\u01b0 dysprosium (Dy) ho\u1eb7c terbium (Tb). Nh\u1eefng nguy\u00ean t\u1ed1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, nh\u01b0ng ch\u00fang \u0111\u1eaft v\u00e0 c\u00f3 r\u1ee7i ro v\u1ec1 ngu\u1ed3n cung. Thay v\u00e0o \u0111\u00f3, c\u00e1c phi\u00ean b\u1ea3n kh\u00f4ng ch\u1ee9a HRE s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf kh\u00e1c \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea5t hi\u1ebfm n\u1eb7ng.<\/p>\n

                                Nh\u1eefng nam ch\u00e2m n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/h3>\n

                                Nam ch\u00e2m Dy ho\u1eb7c Tb truy\u1ec1n th\u1ed1ng ch\u1ecbu nhi\u1ec7t t\u1ed1t. Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE hi\u1ec7n nay \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u01b0\u01a1ng t\u1ef1 cho nhi\u1ec1u \u1ee9ng d\u1ee5ng nh\u1edd v\u00e0o k\u1ef9 thu\u1eadt h\u1ee3p kim v\u00e0 s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn. Trong h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1, xe \u0111i\u1ec7n ho\u1eb7c c\u00f4ng nghi\u1ec7p d\u01b0\u1edbi 150\u00b0C, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 hi\u1ec7u su\u1ea5t l\u00e0 t\u1ed1i thi\u1ec3u. \u0110\u1ed1i v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t c\u00e1c lo\u1ea1i c\u1ea5p \u0111\u1ed9 n\u00e2ng cao \u0111\u1eb7c bi\u1ec7t.<\/p>\n

                                Nam ch\u00e2m kh\u00f4ng ch\u1ee9a HRE c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n kh\u00f4ng<\/h3>\n

                                C\u00f3. V\u1edbi kh\u00f4ng ch\u1ee9a Dy ho\u1eb7c Tb, chi ph\u00ed \u00edt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c \u0111\u1ee3t t\u0103ng gi\u00e1 \u0111\u1ea5t hi\u1ebfm. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 gi\u00e1 c\u1ea3 \u1ed5n \u0111\u1ecbnh h\u01a1n theo th\u1eddi gian, gi\u00fap ch\u00fang ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi ng\u00e2n s\u00e1ch cho s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn nh\u01b0 h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng xe \u0111i\u1ec7n ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n.<\/p>\n

                                Nh\u1eefng nam ch\u00e2m n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf kh\u00f4ng<\/h3>\n

                                C\u00f3. Nam ch\u00e2m NdFeB kh\u00f4ng ch\u1ee9a HRE c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf gi\u1ed1ng nh\u01b0 c\u00e1c v\u1eadt li\u1ec7u NdFeB ti\u00eau chu\u1ea9n. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 thu h\u1ed3i neodymium v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, h\u1ed7 tr\u1ee3 s\u1ea3n xu\u1ea5t th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n.<\/p>\n

                                Th\u1eddi gian giao h\u00e0ng v\u00e0 MOQ t\u1eeb NBAEM<\/h3>\n

                                NBAEM cung c\u1ea5p c\u00e1c s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng t\u1ed1i thi\u1ec3u linh ho\u1ea1t (MOQ) t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i nam ch\u00e2m v\u00e0 k\u00edch th\u01b0\u1edbc. C\u00e1c lo\u1ea1i ti\u00eau chu\u1ea9n th\u01b0\u1eddng s\u1eb5n s\u00e0ng \u0111\u1ec3 v\u1eadn chuy\u1ec3n trong v\u00f2ng 2\u20134 tu\u1ea7n. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh ho\u1eb7c l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t, th\u1eddi gian giao h\u00e0ng c\u00f3 th\u1ec3 k\u00e9o d\u00e0i ch\u00fat \u00edt. M\u1eabu th\u1eed c\u00f3 s\u1eb5n theo y\u00eau c\u1ea7u \u0111\u1ec3 ki\u1ec3m tra tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng s\u1ea3n xu\u1ea5t \u0111\u1ea7y \u0111\u1ee7.<\/p>","protected":false},"excerpt":{"rendered":"

                                Nam ch\u00e2m NdFeB hi\u1ec7u su\u1ea5t cao kh\u00f4ng ch\u1ee9a HRE, c\u00f3 l\u1ef1c t\u1eeb m\u1ea1nh, hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 thi\u1ebft k\u1ebf th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p ti\u00ean ti\u1ebfn<\/p>","protected":false},"author":1,"featured_media":1964,"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-1917","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\/heavy-rare-earth-free-NdFeB-magnet.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1917","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=1917"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1917\/revisions"}],"predecessor-version":[{"id":1963,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1917\/revisions\/1963"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1964"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}