{"id":919,"date":"2024-08-02T10:55:04","date_gmt":"2024-08-02T02:55:04","guid":{"rendered":"https:\/\/dongguanpegaintmagnet.com\/?p=919"},"modified":"2024-08-02T17:21:57","modified_gmt":"2024-08-02T09:21:57","slug":"how-to-produce-magnet","status":"publish","type":"post","link":"https:\/\/dongguanpegaintmagnet.com\/vi\/cach-san-xuat-nam-cham\/","title":{"rendered":"C\u00e1ch s\u1ea3n xu\u1ea5t nam ch\u00e2m"},"content":{"rendered":"
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C\u00e1ch s\u1ea3n xu\u1ea5t nam ch\u00e2m<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"C\u00e1ch\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Vi\u1ec7c s\u1ea3n xu\u1ea5t nam ch\u00e2m li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u0103n ch\u1ec9nh c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan \u0111\u01a1n gi\u1ea3n v\u1ec1 qu\u00e1 tr\u00ecnh:<\/p>\n

V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft
\u2013 V\u1eadt li\u1ec7u s\u1eaft t\u1eeb (v\u00ed d\u1ee5 s\u1eaft, niken, coban)
\u2013 Thi\u1ebft b\u1ecb t\u1eeb h\u00f3a (v\u00ed d\u1ee5 nam ch\u00e2m m\u1ea1nh, cu\u1ed9n d\u00e2y \u0111i\u1ec7n)
\u2013 Ngu\u1ed3n \u0111i\u1ec7n (n\u1ebfu d\u00f9ng cu\u1ed9n d\u00e2y \u0111i\u1ec7n)<\/p>\n

\u00a0ph\u01b0\u01a1ng ph\u00e1p<\/p>\n

1. S\u1eed d\u1ee5ng nam ch\u00e2m m\u1ea1nh:
\u2013 V\u1eadt li\u1ec7u: V\u1eadt s\u1eaft t\u1eeb, nam ch\u00e2m c\u1ef1c m\u1ea1nh.
- Qu\u00e1 tr\u00ecnh:
1. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed9t qu\u1ef5: Vu\u1ed1t v\u1eadt li\u1ec7u s\u1eaft t\u1eeb b\u1eb1ng m\u1ed9t c\u1ef1c c\u1ee7a nam ch\u00e2m m\u1ea1nh, lu\u00f4n c\u00f9ng h\u01b0\u1edbng. L\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n.
2. Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp x\u00fac: \u0110\u1eb7t v\u1eadt li\u1ec7u s\u1eaft t\u1eeb ti\u1ebfp x\u00fac v\u1edbi nam ch\u00e2m m\u1ea1nh trong th\u1eddi gian d\u00e0i.<\/p>\n

2. S\u1eed d\u1ee5ng cu\u1ed9n d\u00e2y \u0111i\u1ec7n (\u0110i\u1ec7n t\u1eeb):
\u2013 V\u1eadt li\u1ec7u: Thanh s\u1eaft t\u1eeb, d\u00e2y \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n, ngu\u1ed3n \u0111i\u1ec7n (pin ho\u1eb7c ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u).
- Qu\u00e1 tr\u00ecnh:
1. Qu\u1ea5n cu\u1ed9n d\u00e2y: Qu\u1ea5n ch\u1eb7t d\u00e2y \u0111\u1ed3ng c\u00e1ch \u0111i\u1ec7n xung quanh thanh s\u1eaft t\u1eeb, ch\u1eeba \u0111\u1ee7 d\u00e2y \u1edf hai \u0111\u1ea7u \u0111\u1ec3 n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n.
2. K\u1ebft n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n: N\u1ed1i hai \u0111\u1ea7u d\u00e2y v\u1edbi ngu\u1ed3n \u0111i\u1ec7n, cho d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua cu\u1ed9n d\u00e2y. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng, l\u00e0m t\u1eeb h\u00f3a thanh.
3. Th\u1eddi l\u01b0\u1ee3ng: \u0110\u1ec3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong v\u00e0i ph\u00fat \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thanh \u0111\u01b0\u1ee3c t\u1eeb h\u00f3a v\u1eeba \u0111\u1ee7.<\/p>\n

C\u00e1c b\u01b0\u1edbc cho m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p:<\/p>\n

\u00a0Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed9t qu\u1ef5:
1. Chu\u1ea9n b\u1ecb V\u1eadt li\u1ec7u: L\u1ea5y m\u1ed9t nam ch\u00e2m m\u1ea1nh v\u00e0 v\u1eadt s\u1eaft t\u1eeb m\u00e0 b\u1ea1n mu\u1ed1n t\u1eeb h\u00f3a.
2. Vu\u1ed1t theo m\u1ed9t h\u01b0\u1edbng: Vu\u1ed1t nam ch\u00e2m m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n d\u1ecdc theo v\u1eadt th\u1ec3 theo m\u1ed9t h\u01b0\u1edbng. \u0110i\u1ec1u n\u00e0y s\u1eafp x\u1ebfp c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh trong v\u1eadt li\u1ec7u.
3. L\u1eb7p l\u1ea1i: L\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh vu\u1ed1t ve nhi\u1ec1u l\u1ea7n \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng t\u1eeb h\u00f3a.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n t\u1eeb:
1. Qu\u1ea5n d\u00e2y: Qu\u1ea5n d\u00e2y c\u00e1ch \u0111i\u1ec7n quanh thanh s\u1eaft t\u1eeb, t\u1ea1o th\u00e0nh cu\u1ed9n d\u00e2y qu\u1ea5n ch\u1eb7t.
2. K\u1ebft n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n: G\u1eafn hai \u0111\u1ea7u d\u00e2y v\u00e0o ngu\u1ed3n \u0111i\u1ec7n. Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng.
3. Cho ph\u00e9p th\u1eddi gian: \u0110\u1ec3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y trong v\u00e0i ph\u00fat.
4. Ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 ki\u1ec3m tra: Ng\u1eaft k\u1ebft n\u1ed1i ngu\u1ed3n \u0111i\u1ec7n v\u00e0 ki\u1ec3m tra t\u1eeb t\u00ednh b\u1eb1ng c\u00e1ch ki\u1ec3m tra xem n\u00f3 c\u00f3 h\u00fat c\u00e1c v\u1eadt kim lo\u1ea1i nh\u1ecf hay kh\u00f4ng.<\/p>\n

Nh\u1eefng l\u1eddi khuy\u00ean v\u1ec1 an to\u00e0n:
\u2013 Khi s\u1eed d\u1ee5ng \u0111i\u1ec7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1ch \u0111i\u1ec7n ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u00e1nh b\u1ecb \u0111i\u1ec7n gi\u1eadt.
\u2013 C\u1ea9n th\u1eadn khi s\u1eed d\u1ee5ng nam ch\u00e2m m\u1ea1nh \u0111\u1ec3 tr\u00e1nh b\u1ecb th\u01b0\u01a1ng.<\/p>\n

B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra nam ch\u00e2m t\u1eeb v\u1eadt li\u1ec7u s\u1eaft t\u1eeb.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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S\u1ea3n xu\u1ea5t nam ch\u00e2m neodymium-iron-boron (NdFeB) bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc chi ti\u1ebft, t\u1eeb chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ebfn quy tr\u00ecnh t\u1eeb h\u00f3a cu\u1ed1i c\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 c\u00e1c giai \u0111o\u1ea1n ch\u00ednh li\u00ean quan:<\/p>\n

\u00a01. Chu\u1ea9n b\u1ecb nguy\u00ean li\u1ec7u
\u2013 Th\u00e0nh ph\u1ea7n: C\u00e1c nguy\u00ean t\u1ed1 ch\u00ednh c\u1ea7n c\u00f3 l\u00e0 neodymium (Nd), s\u1eaft (Fe) v\u00e0 boron (B), c\u00f9ng v\u1edbi m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 dysprosium (Dy) ho\u1eb7c praseodymium (Pr) \u0111\u1ec3 c\u00f3 nh\u1eefng \u0111\u1eb7c t\u00ednh c\u1ee5 th\u1ec3.
\u2013 N\u00f3ng ch\u1ea3y: C\u00e1c nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y v\u1edbi nhau trong l\u00f2 c\u1ea3m \u1ee9ng ch\u00e2n kh\u00f4ng \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ee3p kim. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c nguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c tr\u1ed9n k\u1ef9 v\u00e0 m\u1ecdi t\u1ea1p ch\u1ea5t \u0111\u1ec1u \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/p>\n

\u00a02. \u0110\u00fac v\u00e0 nghi\u1ec1n
\u2013 \u0110\u00fac: H\u1ee3p kim n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh khu\u00f4n \u0111\u1ec3 t\u1ea1o th\u00e0nh th\u1ecfi.
\u2013 Nghi\u1ec1n: Nh\u1eefng th\u1ecfi n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t th\u00f4.<\/p>\n

3. Phay
\u2013 Jet Milling: B\u1ed9t th\u00f4 \u0111\u01b0\u1ee3c tinh ch\u1ebf th\u00eam b\u1eb1ng m\u00e1y nghi\u1ec1n ph\u1ea3n l\u1ef1c \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ea1t m\u1ecbn c\u00f3 k\u00edch th\u01b0\u1edbc trong ph\u1ea1m vi micromet. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nam ch\u00e2m cu\u1ed1i c\u00f9ng.<\/p>\n

4. Nh\u1ea5n v\u00e0 c\u0103n ch\u1ec9nh
\u2013 \u00c9p: B\u1ed9t m\u1ecbn sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e9p th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n, th\u01b0\u1eddng l\u00e0 khi c\u00f3 t\u1eeb tr\u01b0\u1eddng. Tr\u01b0\u1eddng n\u00e0y gi\u00fap s\u1eafp x\u1ebfp c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh theo c\u00f9ng m\u1ed9t h\u01b0\u1edbng, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh cu\u1ed1i c\u00f9ng c\u1ee7a nam ch\u00e2m.<\/p>\n

\u00a05. Thi\u00eau k\u1ebft
\u2013 Thi\u00eau k\u1ebft: C\u00e1c h\u00ecnh \u00e9p \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft trong l\u00f2 ch\u00e2n kh\u00f4ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao (kho\u1ea3ng 1.000-1.200\u00b0C). Qu\u00e1 tr\u00ecnh n\u00e0y k\u1ebft h\u1ee3p c\u00e1c h\u1ea1t l\u1ea1i v\u1edbi nhau m\u00e0 kh\u00f4ng l\u00e0m ch\u00fang tan ch\u1ea3y, t\u1ea1o ra m\u1ed9t nam ch\u00e2m r\u1eafn v\u00e0 \u0111\u1eb7c.<\/p>\n

6. X\u1eed l\u00fd nhi\u1ec7t
\u2013 X\u1eed l\u00fd nhi\u1ec7t: Nam ch\u00e2m thi\u00eau k\u1ebft tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t b\u1ed5 sung \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ea5u tr\u00fac c\u1ee7a ch\u00fang.<\/p>\n

7. Gia c\u00f4ng
\u2013 Gia c\u00f4ng: C\u00e1c nam ch\u00e2m thi\u00eau k\u1ebft v\u00e0 x\u1eed l\u00fd \u0111\u01b0\u1ee3c gia c\u00f4ng theo k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c m\u00e0i, c\u1eaft v\u00e0 khoan, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng.<\/p>\n

\u00a08. L\u1edbp ph\u1ee7
\u2013 L\u1edbp ph\u1ee7: Nam ch\u00e2m NdFeB d\u1ec5 b\u1ecb oxy h\u00f3a n\u00ean th\u01b0\u1eddng b\u1ecb<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\u00a0\u201cL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra m\u1ed9t nam ch\u00e2m\u201d r\u1ea5t quan tr\u1ecdng v\u00ec nhi\u1ec1u l\u00fd do:<\/p>

S\u1ef1 \u0111\u1ed5i m\u1edbi, ph\u00e1t tri\u1ec3n v\u1ec1 c\u00f4ng ngh\u1ec7
Hi\u1ec3u \u0111\u01b0\u1ee3c quy tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c lo\u1ea1i nam ch\u00e2m hi\u1ec7u su\u1ea5t cao nh\u01b0 nam ch\u00e2m neodymium-iron-boron (NdFeB), l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7. Ki\u1ebfn th\u1ee9c v\u1ec1 quy tr\u00ecnh n\u00e0y cho ph\u00e9p ph\u00e1t tri\u1ec3n c\u00e1c thi\u1ebft b\u1ecb t\u1eeb t\u00ednh thu nh\u1ecf, m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n, l\u00e0 n\u1ec1n t\u1ea3ng trong c\u00e1c ng\u00e0nh \u0111i\u1ec7n t\u1eed, n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, \u00f4 t\u00f4 v\u00e0 y t\u1ebf.<\/p>

\u00a0<\/p>

  • Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng
    M\u00f4 t\u1ea3 chi ti\u1ebft v\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m \u0111\u1ea3m b\u1ea3o duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng cao. M\u1ed7i b\u01b0\u1edbc, t\u1eeb l\u1ef1a ch\u1ecdn nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ebfn th\u1eed nghi\u1ec7m t\u1eeb t\u00ednh cu\u1ed1i c\u00f9ng, \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 s\u1ea3n xu\u1ea5t nam ch\u00e2m c\u00f3 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 b\u1ec1n cao.<\/li><\/ul>

    \u00a0<\/p>

    • Hi\u1ec7u qu\u1ea3 chi ph\u00ed
      Bi\u1ebft quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng. Nh\u1eefng \u0111\u1ed5i m\u1edbi trong k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00f4ng th\u1ee9c h\u1ee3p kim c\u1ea3i ti\u1ebfn ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p thi\u00eau k\u1ebft hi\u1ec7u qu\u1ea3 h\u01a1n, c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng c\u1ea1nh tranh.<\/li><\/ul>

      \u00a0<\/p>

      • T\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng
        Vi\u1ec7c s\u1ea3n xu\u1ea5t nam ch\u00e2m li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm, c\u00f3 \u00fd ngh\u0129a v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u1ecba ch\u00ednh tr\u1ecb. Vi\u1ec7c m\u00f4 t\u1ea3 chi ti\u1ebft quy tr\u00ecnh n\u00eau b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ec1n v\u1eefng, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00e1i ch\u1ebf v\u00e0 gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y n\u1ed7 l\u1ef1c h\u01b0\u1edbng t\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n.<\/li><\/ul>

        \u00a0<\/p>

        • \u00a0Gi\u00e1 tr\u1ecb gi\u00e1o d\u1ee5c
          L\u1eddi gi\u1ea3i th\u00edch to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c s\u1ea3n xu\u1ea5t nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 gi\u00e1o d\u1ee5c cho sinh vi\u00ean, k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc. N\u00f3 gi\u00fap h\u1ecd hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 ph\u1ee9c t\u1ea1p v\u00e0 th\u00e1ch th\u1ee9c li\u00ean quan, th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u00e1nh gi\u00e1 s\u00e2u s\u1eafc h\u01a1n v\u1ec1 c\u00e1c nguy\u00ean t\u1eafc khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u.<\/li><\/ul>

          \u00a0<\/p>

          • \u00a0Ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p
            M\u00f4 t\u1ea3 quy tr\u00ecnh chi ti\u1ebft g\u00f3p ph\u1ea7n thi\u1ebft l\u1eadp v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 t\u01b0\u01a1ng th\u00edch c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb t\u00ednh gi\u1eefa c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau, th\u00fac \u0111\u1ea9y t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/li><\/ul>

            \u00a0<\/p>

            • \u0110\u1ed5i m\u1edbi v\u00e0 nghi\u00ean c\u1ee9u
              Vi\u1ec7c ghi l\u1ea1i qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 k\u00edch th\u00edch nghi\u00ean c\u1ee9u v\u00e0 \u0111\u1ed5i m\u1edbi h\u01a1n n\u1eefa. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean ki\u1ebfn th\u1ee9c hi\u1ec7n c\u00f3 \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c v\u1eadt li\u1ec7u, k\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng m\u1edbi, th\u00fac \u0111\u1ea9y l\u0129nh v\u1ef1c n\u00e0y ph\u00e1t tri\u1ec3n.<\/li><\/ul>

              \u00a0<\/p>

              • \u00a0Minh b\u1ea1ch chu\u1ed7i cung \u1ee9ng
                S\u1ef1 hi\u1ec3u bi\u1ebft r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch s\u1ea3n xu\u1ea5t nam ch\u00e2m s\u1ebd n\u00e2ng cao t\u00ednh minh b\u1ea1ch c\u1ee7a chu\u1ed7i cung \u1ee9ng. N\u00f3 cho ph\u00e9p c\u00e1c b\u00ean li\u00ean quan \u0111\u00e1nh gi\u00e1 r\u1ee7i ro t\u1ed1t h\u01a1n, qu\u1ea3n l\u00fd t\u00e0i nguy\u00ean v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p d\u1ef1 ph\u00f2ng, \u0111\u1ea3m b\u1ea3o ngu\u1ed3n cung c\u1ea5p \u1ed5n \u0111\u1ecbnh c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng.<\/li><\/ul>

                \u00a0<\/p>

                • T\u00f3m l\u1ea1i, vi\u1ec7c m\u00f4 t\u1ea3 quy tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 th\u00fac \u0111\u1ea9y c\u00f4ng ngh\u1ec7, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, gi\u1ea3m chi ph\u00ed, th\u00fac \u0111\u1ea9y t\u00ednh b\u1ec1n v\u1eefng, \u0111\u00e0o t\u1ea1o c\u00e1c k\u1ef9 s\u01b0 t\u01b0\u01a1ng lai, duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, th\u00fac \u0111\u1ea9y \u0111\u1ed5i m\u1edbi v\u00e0 n\u00e2ng cao t\u00ednh minh b\u1ea1ch c\u1ee7a chu\u1ed7i cung \u1ee9ng.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
                  \n\t\t\t\t\t\t
                  \n\t\t\t\t\t
                  \n\t\t\t
                  \n\t\t\t\t\t\t
                  \n\t\t\t\t
                  \n\t\t\t\t\t\t\t\t\t

                  Vi\u1ec7c s\u1ea3n xu\u1ea5t nam ch\u00e2m, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng lo\u1ea1i nam ch\u00e2m ti\u00ean ti\u1ebfn nh\u01b0 nam ch\u00e2m neodymium-iron-boron (NdFeB), s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t, gi\u1ea3m chi ph\u00ed v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 k\u1ef9 thu\u1eadt m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong C\u00e1ch s\u1ea3n xu\u1ea5t nam ch\u00e2m:<\/p>

                  • \u00a0\u0110\u00fac phun b\u1ed9t (PIM)
                    \u0110\u00fac phun b\u1ed9t k\u1ebft h\u1ee3p c\u00e1c l\u1ee3i \u00edch c\u1ee7a luy\u1ec7n kim b\u1ed9t v\u00e0 \u00e9p phun nh\u1ef1a. C\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p s\u1ea3n xu\u1ea5t c\u00e1c nam ch\u00e2m nh\u1ecf, c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i. N\u00f3 \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho nam ch\u00e2m NdFeB.<\/li><\/ul>
                    • \u00a0\u00c9p \u0111\u1eb3ng t\u0129nh n\u00f3ng (HIP)
                      \u00c9p \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng s\u1eed d\u1ee5ng s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao \u0111\u1ec3 l\u00e0m \u0111\u1eb7c c\u00e1c ph\u00f4i nam ch\u00e2m thi\u00eau k\u1ebft. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 t\u00ednh ch\u1ea5t t\u1eeb c\u1ee7a nam ch\u00e2m.<\/li><\/ul>
                      • \u00a0S\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp (In 3D)
                        S\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp, \u0111\u1eb7c bi\u1ec7t l\u00e0 in 3D, \u0111ang d\u1ea7n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o s\u1ea3n xu\u1ea5t nam ch\u00e2m. C\u00f4ng ngh\u1ec7 n\u00e0y cho ph\u00e9p t\u1ea1o ra c\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh v\u1edbi h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p v\u00e0 c\u1ea5u tr\u00fac b\u00ean trong ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3.<\/li><\/ul>
                        • \u00a0C\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t n\u0103ng su\u1ea5t cao
                          S\u1ea3n xu\u1ea5t th\u00f4ng l\u01b0\u1ee3ng cao bao g\u1ed3m t\u1ef1 \u0111\u1ed9ng h\u00f3a v\u00e0 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t nhanh ch\u00f3ng \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 v\u00e0 s\u1ea3n l\u01b0\u1ee3ng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c b\u01b0\u1edbc \u00e9p, thi\u00eau k\u1ebft v\u00e0 gia c\u00f4ng t\u1ef1 \u0111\u1ed9ng, gi\u1ea3m s\u1ef1 can thi\u1ec7p c\u1ee7a con ng\u01b0\u1eddi v\u00e0 chu k\u1ef3 s\u1ea3n xu\u1ea5t.<\/li><\/ul>
                          • \u00a0C\u00f4ng ngh\u1ec7 t\u00e1i ch\u1ebf hi\u1ec7u qu\u1ea3
                            \u0110\u1ed1i v\u1edbi nam ch\u00e2m NdFeB, c\u00e1c c\u00f4ng ngh\u1ec7 t\u00e1i ch\u1ebf ti\u00ean ti\u1ebfn \u0111ang \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 chi\u1ebft xu\u1ea5t v\u00e0 t\u00e1i s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm. Nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap gi\u1ea3m s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o t\u00e0i nguy\u00ean kho\u00e1ng s\u1ea3n m\u1edbi v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/li><\/ul>
                            • Ki\u1ec3m so\u00e1t th\u00e0nh ph\u1ea7n h\u1ee3p kim ch\u00ednh x\u00e1c
                              K\u1ef9 thu\u1eadt luy\u1ec7n kim ti\u00ean ti\u1ebfn cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c th\u00e0nh ph\u1ea7n h\u1ee3p kim v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a nam ch\u00e2m, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb n\u1ea5u ch\u1ea3y v\u00e0 h\u1ee3p kim ph\u1ee9c t\u1ea1p.<\/li><\/ul>
                              • V\u1eadt li\u1ec7u nano t\u1eeb t\u00ednh
                                \u1ee8ng d\u1ee5ng c\u00f4ng ngh\u1ec7 nano cho ph\u00e9p ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u nano t\u1eeb t\u00ednh v\u1edbi nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 ti\u1ec1m n\u0103ng \u0111\u00e1ng k\u1ec3 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 cao nh\u01b0 h\u00ecnh \u1ea3nh y sinh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed t\u1ea7n s\u1ed1 cao.<\/li><\/ul>
                                • Quy tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng
                                  \u0110\u1ec3 gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng, c\u00e1c c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t m\u1edbi bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, gi\u1ea3m s\u1eed d\u1ee5ng c\u00e1c h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i v\u00e0 c\u1ea3i ti\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd ch\u1ea5t th\u1ea3i. V\u00ed d\u1ee5, ch\u1ea5t k\u1ebft d\u00ednh g\u1ed1c n\u01b0\u1edbc ho\u1eb7c c\u00f3 \u0111\u1ed9c t\u00ednh th\u1ea5p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay cho dung m\u00f4i h\u1eefu c\u01a1 truy\u1ec1n th\u1ed1ng.<\/li><\/ul>
                                  • \u00a0C\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ecbnh h\u01b0\u1edbng t\u1eeb t\u00ednh
                                    Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, t\u1eeb tr\u01b0\u1eddng b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n h\u01b0\u1edbng c\u1ee7a c\u00e1c h\u1ea1t t\u1eeb nh\u1eb1m t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong luy\u1ec7n kim b\u1ed9t v\u00e0 qu\u00e1 tr\u00ecnh \u00e9p.<\/li><\/ul>
                                    • K\u1ef9 thu\u1eadt thi\u00eau k\u1ebft n\u00e2ng cao
                                      C\u00e1c k\u1ef9 thu\u1eadt thi\u00eau k\u1ebft m\u1edbi, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u00eau k\u1ebft plasma tia l\u1eeda \u0111i\u1ec7n (SPS), bao g\u1ed3m qu\u00e1 tr\u00ecnh gia nhi\u1ec7t v\u00e0 l\u00e0m m\u00e1t nhanh ch\u00f3ng, r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian thi\u00eau k\u1ebft v\u00e0 c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 c\u0169ng nh\u01b0 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a nam ch\u00e2m.<\/li><\/ul>
                                      • \u00a0Ph\u1ea7n k\u1ebft lu\u1eadn
                                        B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn n\u00e0y, vi\u1ec7c s\u1ea3n xu\u1ea5t nam ch\u00e2m tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m h\u01a1n, mang l\u1ea1i nam ch\u00e2m c\u00f3 hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u0111a d\u1ea1ng v\u00e0 ph\u1ee9c t\u1ea1p. Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y th\u00fac \u0111\u1ea9y \u1ee9ng d\u1ee5ng v\u00e0 ph\u00e1t tri\u1ec3n nam ch\u00e2m trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

                                        C\u00e1ch s\u1ea3n xu\u1ea5t nam ch\u00e2m S\u1ea3n xu\u1ea5t nam ch\u00e2m li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u0103n ch\u1ec9nh c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u. Sau \u0111\u00e2y l\u00e0 t\u1ed5ng quan \u0111\u01a1n gi\u1ea3n v\u1ec1 quy tr\u00ecnh: V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft\u2013 V\u1eadt li\u1ec7u s\u1eaft t\u1eeb (v\u00ed d\u1ee5: s\u1eaft, niken, coban)\u2013 Thi\u1ebft b\u1ecb t\u1eeb h\u00f3a (v\u00ed d\u1ee5: nam ch\u00e2m m\u1ea1nh, cu\u1ed9n d\u00e2y \u0111i\u1ec7n)\u2013 Ngu\u1ed3n \u0111i\u1ec7n (n\u1ebfu s\u1eed d\u1ee5ng cu\u1ed9n d\u00e2y \u0111i\u1ec7n) Ph\u01b0\u01a1ng ph\u00e1p 1. S\u1eed d\u1ee5ng nam ch\u00e2m m\u1ea1nh:\u2013 V\u1eadt li\u1ec7u: V\u1eadt th\u1ec3 s\u1eaft t\u1eeb, nam ch\u00e2m m\u1ea1nh.\u2013 Quy tr\u00ecnh:1\u2026.<\/p>","protected":false},"author":1,"featured_media":923,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[17,25,18,48,113],"_links":{"self":[{"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/posts\/919"}],"collection":[{"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/comments?post=919"}],"version-history":[{"count":0,"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/posts\/919\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/media\/923"}],"wp:attachment":[{"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/media?parent=919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/categories?post=919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dongguanpegaintmagnet.com\/vi\/wp-json\/wp\/v2\/tags?post=919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}