{"id":1913,"date":"2025-12-13T14:16:59","date_gmt":"2025-12-13T06:16:59","guid":{"rendered":"https:\/\/www.jiujumagtec.com\/?p=1913"},"modified":"2025-12-13T14:17:00","modified_gmt":"2025-12-13T06:17:00","slug":"%e3%80%90jiuju-magnetics-industry-news%e3%80%91samarium-cobalt-permanent-magnetic-materials-application-domains-and-industry-development-trends","status":"publish","type":"post","link":"https:\/\/www.jiujumagtec.com\/vi\/tin-tuc-thong-tin\/trade-news\/1913.html","title":{"rendered":"\u3010Tin t\u1ee9c ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1eeb t\u00ednh l\u00e2u d\u00e0i\u3011V\u1eadt li\u1ec7u nam ch\u00e2m v\u0129nh c\u1eedu samarium-cobalt: L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng v\u00e0 xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"
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Gi\u1ea3i ph\u00e1p t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u1eeb h\u00f3a to\u00e0n di\u1ec7n<\/h1>\n\n\n\n

Gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p s\u1ea1c t\u1eeb t\u00ednh t\u1ef1 \u0111\u1ed9ng<\/p>\n<\/div>\n<\/div>

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\"Thi\u1ebft<\/div>Thi\u1ebft b\u1ecb t\u1eeb h\u00f3a<\/b><\/div>
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\"T\u1ef1<\/div>T\u1ef1 \u0111\u1ed9ng h\u00f3a t\u1eeb h\u00f3a<\/b><\/div>
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\"Thi\u1ebft<\/div>Thi\u1ebft b\u1ecb \u0111o t\u1eeb t\u00ednh<\/b><\/div>
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\"D\u1ecbch<\/div>D\u1ecbch v\u1ee5 t\u1eeb h\u00f3a<\/b><\/div>
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I. \u0110\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt v\u00e0 ph\u00e2n lo\u1ea1i s\u1ea3n ph\u1ea9m<\/h2>\n\n\n\n

V\u1eadt li\u1ec7u nam ch\u00e2m v\u0129nh c\u1eedu samarium-cobalt l\u00e0 lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu hi\u1ebfm \u0111\u1ea5t c\u00f3 hi\u1ec7u su\u1ea5t cao, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb c\u00e1c nguy\u00ean t\u1ed1 samarium v\u00e0 cobalt l\u00e0m th\u00e0nh ph\u1ea7n ch\u00ednh, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 \u0111\u1ed3ng, s\u1eaft, zirconium. Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y c\u00f3 ba \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt: \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 cao xu\u1ea5t s\u1eafc, t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh \u01b0u vi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t. Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c t\u1ed1i \u0111a c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 500 \u0111\u1ed9 C, cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi nam ch\u00e2m v\u0129nh c\u1eedu neodymium-s\u1eaft-boron (th\u01b0\u1eddng d\u01b0\u1edbi 220 \u0111\u1ed9 C); v\u1ec1 ch\u1ec9 s\u1ed1 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh, t\u1eeb t\u00ednh d\u01b0 kh\u00f4ng d\u01b0\u1edbi 1,05 Tesla, t\u1eeb t\u00ednh c\u1ee9ng v\u01b0\u1ee3t qu\u00e1 676 kA\/m, n\u0103ng l\u01b0\u1ee3ng t\u1eeb t\u00ednh n\u1eb1m trong kho\u1ea3ng 20-35 MGOe. Ngo\u00e0i ra, nam ch\u00e2m v\u0129nh c\u1eedu samarium-coban c\u00f3 th\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt v\u00e0 axit-ki\u1ec1m m\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd b\u1ec1 m\u1eb7t ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n

Theo c\u1ea5u tr\u00fac tinh th\u1ec3 kh\u00e1c nhau, nam ch\u00e2m v\u0129nh c\u1eedu samarium-coban ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i ch\u00ednh:<\/p>\n\n\n\n