{"id":13897,"date":"2020-01-11T08:18:52","date_gmt":"2020-01-11T08:18:52","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13897"},"modified":"2020-05-07T00:41:35","modified_gmt":"2020-05-07T00:41:35","slug":"what-is-sintering-technology__trashed","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/what-is-sintering-technology__trashed\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 thi\u00eau k\u1ebft l\u00e0 g\u00ec?"},"content":{"rendered":"
\n

gi\u1edbi thi\u1ec7u l\u00f2 thi\u00eau k\u1ebft<\/strong><\/strong><\/h2>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft l\u00e0 m\u1ed9t lo\u1ea1i l\u00f2 c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c h\u1ea1t r\u1eafn c\u1ee7a th\u00e2n g\u1ed1m m\u00e0u xanh l\u00e1 c\u00e2y li\u00ean k\u1ebft v\u1edbi nhau, c\u00e1c h\u1ea1t l\u1edbn l\u00ean, l\u1ed7 r\u1ed7ng (l\u1ed7 ch\u00e2n l\u00f4ng) v\u00e0 ranh gi\u1edbi h\u1ea1t gi\u1ea3m d\u1ea7n. Th\u00f4ng qua vi\u1ec7c chuy\u1ec3n giao v\u1eadt li\u1ec7u, t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng co l\u1ea1i, m\u1eadt \u0111\u1ed9 t\u0103ng l\u00ean v\u00e0 cu\u1ed1i c\u00f9ng n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u01a1 th\u1ec3 thi\u00eau k\u1ebft \u0111a tinh th\u1ec3 d\u00e0y \u0111\u1eb7c v\u1edbi m\u1ed9t c\u1ea5u tr\u00fac vi m\u00f4 nh\u1ea5t \u0111\u1ecbnh.<\/strong><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

nguy\u00ean l\u00fd l\u00f2 thi\u00eau k\u1ebft<\/strong><\/strong><\/h2>\n\n\n\n

Nguy\u00ean l\u00fd thi\u00eau k\u1ebft c\u1ee7a cacbua xi m\u0103ng: pha li\u00ean k\u1ebft, ch\u1ee7 y\u1ebfu bao g\u1ed3m kim lo\u1ea1i (CO, Ni), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 v\u1eadt li\u1ec7u g\u1ed1m kim lo\u1ea1i, \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi pha g\u1ed1m (d\u1ef1a tr\u00ean tic, TAC, NBC) v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n pha li\u00ean k\u1ebft. Qu\u00e1 tr\u00ecnh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft.<\/strong><\/strong><\/p>\n\n\n\n

m\u1ee5c \u0111\u00edch c\u1ee7a l\u00f2 thi\u00eau k\u1ebft<\/strong><\/strong><\/h2>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u00eau k\u1ebft b\u1ed9t g\u1ed1m, ch\u00e8n g\u1ed1m v\u00e0 g\u1ed1m s\u1ee9 zirconia kh\u00e1c, thi\u00eau k\u1ebft l\u01b0\u1ee1i c\u01b0a kim c\u01b0\u01a1ng, v\u00e0 \u1ee7 c\u00e1c d\u1ea3i \u0111\u1ed3ng v\u00e0 th\u00e9p.<\/strong><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u00eau k\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 x\u1eed l\u00fd nhi\u1ec7t c\u1ee7a m\u1ea1ch m\u00e0ng d\u00e0y, \u0111i\u1ec7n tr\u1edf m\u00e0ng d\u00e0y, \u0111i\u1ec7n c\u1ef1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n t\u1eed, LTCC, l\u00f2 s\u01b0\u1edfi th\u00e9p, t\u1ea5m pin m\u1eb7t tr\u1eddi v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1 kh\u00e1c.<\/strong><\/strong><\/p>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh s\u1eaft th\u00e9p, luy\u1ec7n kim, c\u00f4ng nghi\u1ec7p v\u1eadt li\u1ec7u m\u1edbi, v.v.<\/strong><\/strong><\/p>\n\n\n\n

 c\u00e1c lo\u1ea1i l\u00f2 thi\u00eau k\u1ebft<\/strong><\/h2>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft trong l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p bao g\u1ed3m h\u1ea7u h\u1ebft c\u00e1c l\u00f2 th\u1ecfi polysilicon nhi\u1ec7t \u0111\u1ed9 cao tr\u00ean th\u1ecb tr\u01b0\u1eddng. Theo ng\u00e0nh c\u00f4ng nghi\u1ec7p, c\u00e1c lo\u1ea1i l\u00f2 thi\u00eau k\u1ebft ch\u1ee7 y\u1ebfu nh\u01b0 sau:<\/strong><\/strong><\/p>\n\n\n\n

L\u0129nh v\u1ef1c cacbua 1.Cemented:<\/strong><\/strong><\/p>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft ch\u00e2n kh\u00f4ng, l\u00f2 thi\u00eau k\u1ebft \u00e1p su\u1ea5t th\u1ea5p (60bar), l\u00f2 thi\u00eau k\u1ebft ch\u00e2n kh\u00f4ng, l\u00f2 nung thi\u00eau k\u1ebft \u00e1p su\u1ea5t th\u1ea5p, l\u00f2 nung thi\u00eau k\u1ebft \u00e1p su\u1ea5t th\u1ea5p (20bar);<\/strong><\/strong><\/p>\n\n\n\n

2. Luy\u1ec7n kim b\u1ed9t:<\/strong><\/strong><\/p>\n\n\n\n

L\u00f2 thi\u00eau k\u1ebft \u0111ai \u0111ai li\u00ean t\u1ee5c (1150 \u0111\u1ed9), l\u00f2 thi\u00eau k\u1ebft \u0111\u1ea9y (1250 \u0111\u1ed9), l\u00f2 thi\u00eau k\u1ebft \u0111ai th\u00e9p (1000 \u0111\u1ed9), l\u00f2 thi\u00eau k\u1ebft quay, v.v;<\/strong><\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

3. N\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi:<\/strong><\/strong><\/p>\n\n\n\n

L\u00f2 th\u1ecfi silic \u0111a tinh th\u1ec3 c\u0169ng thu\u1ed9c v\u1ec1 m\u1ed9t lo\u1ea1i l\u00f2 thi\u00eau k\u1ebft.<\/strong><\/strong><\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng c\u1ee7a l\u00f2 thi\u00eau k\u1ebft l\u00f2 vi s\u00f3ng<\/strong><\/strong><\/p>\n\n\n\n

Ch\u00eca kh\u00f3a c\u1ee7a c\u00f4ng ngh\u1ec7 thi\u00eau k\u1ebft vi s\u00f3ng l\u00e0 l\u00f2 vi s\u00f3ng. Nguy\u00ean l\u00fd c\u1ee7a l\u00f2 vi s\u00f3ng l\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb c\u1ee7a l\u00f2 vi s\u00f3ng th\u00e0nh n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n c\u1ef1c \u0111i\u1ec7n t\u1eed, ph\u00e2n c\u1ef1c nguy\u00ean t\u1eed, ph\u00e2n c\u1ef1c giao di\u1ec7n v\u00e0 bi\u1ebfn l\u01b0\u1ee1ng c\u1ef1c<\/strong> <\/strong>ph\u00e2n c\u1ef1c.<\/strong><\/strong><\/p>\n\n\n\n

R\u00f5 r\u00e0ng, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng b\u1eb1ng l\u00f2 vi s\u00f3ng. Theo \u0111\u1eb7c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c gi\u1eefa v\u1eadt ch\u1ea5t v\u00e0 l\u00f2 vi s\u00f3ng, v\u1eadt ch\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i:<\/strong><\/strong><\/p>\n\n\n\n

1<\/strong>.<\/strong>Lo\u1ea1i trong su\u1ed1t, ch\u1ee7 y\u1ebfu l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n t\u1ed5n th\u1ea5t th\u1ea5p, nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c v\u1eadt li\u1ec7u polymer v\u00e0 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u phi kim lo\u1ea1i, c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t ph\u1ea7n c\u1ee7a ph\u1ea3n x\u1ea1 vi s\u00f3ng v\u00e0 th\u00e2m nh\u1eadp m\u1ed9t ph\u1ea7n, hi\u1ebfm khi h\u1ea5p th\u1ee5 vi s\u00f3ng, lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 \u1edf trong tr\u01b0\u1eddng vi s\u00f3ng trong m\u1ed9t th\u1eddi gian d\u00e0i, v\u1edbi s\u1ef1 sinh nhi\u1ec7t r\u1ea5t nh\u1ecf, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u th\u1ea5m s\u00f3ng trong khoang gia nhi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 tetrafluoroetylen, v.v., c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ph\u00e2n v\u00f9ng th\u1ea5m s\u00f3ng c\u1ee7a khoang ch\u00e2n kh\u00f4ng vi s\u00f3ng.<\/strong><\/strong><\/p>\n\n\n\n

2<\/strong>.<\/strong> Lo\u1ea1i ph\u1ea3n x\u1ea1 t\u1ed5ng th\u1ec3 ch\u1ee7 y\u1ebfu l\u00e0 v\u1eadt li\u1ec7u kim lo\u1ea1i c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u1ed1t. H\u1ec7 s\u1ed1 ph\u1ea3n x\u1ea1 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u n\u00e0y v\u1edbi l\u00f2 vi s\u00f3ng l\u00e0 g\u1ea7n 1, ch\u1ec9 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf n\u0103ng l\u01b0\u1ee3ng vi s\u00f3ng c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u1ed1ng d\u1eabn s\u00f3ng, khoang l\u00f2 vi s\u00f3ng, m\u00e1y khu\u1ea5y, v.v. trong thi\u1ebft b\u1ecb gia nhi\u1ec7t l\u00f2 vi s\u00f3ng;<\/strong><\/strong><\/p>\n\n\n\n

3.<\/strong> Lo\u1ea1i h\u1ea5p th\u1ee5 ch\u1ee7 y\u1ebfu l\u00e0 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u \u0111i\u1ec7n m\u00f4i gi\u1eefa kim lo\u1ea1i v\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n, bao g\u1ed3m v\u1eadt li\u1ec7u s\u1ee3i d\u1ec7t, gi\u1ea5y, g\u1ed7, silicon carbide, zirconia, b\u1ed9t hu\u1ef3nh quang, g\u1ed1m s\u1ee9, n\u01b0\u1edbc, parafin, v.v. c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 thi\u00eau k\u1ebft vi s\u00f3ng ch\u1ee7 y\u1ebfu l\u00e0 v\u1eadt li\u1ec7u g\u1ed1m v\u00e0 kim lo\u1ea1i nguy\u00ean li\u1ec7u b\u1ed9t.<\/strong><\/strong><\/p>\n\n\n\n

C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00f4ng ngh\u1ec7 thi\u00eau k\u1ebft l\u00f2 vi s\u00f3ng c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a t\u00ednh to\u00e0n v\u1eb9n, t\u1ee9c th\u1eddi, ch\u1ecdn l\u1ecdc, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, an to\u00e0n, hi\u1ec7u qu\u1ea3 cao v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. L\u00e0 m\u1ed9t lo\u1ea1i n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch, l\u00f2 vi s\u00f3ng \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t \u0111i\u1ec3m n\u00f3ng nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u v\u00e0 t\u1ea1o ra m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 thi\u00eau k\u1ebft.<\/strong><\/strong><\/p>\n\n\n\n

\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a thi\u00eau k\u1ebft vi s\u00f3ng:<\/strong><\/strong><\/h2>\n\n\n\n

1. Nhi\u1ec7t \u0111\u1ed9 thi\u00eau k\u1ebft c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 v\u00e0 ph\u1ea1m vi t\u1ed1i \u0111a c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 500oC;<\/strong><\/strong><\/p>\n\n\n\n

2. Gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng l\u00ean t\u1edbi 70-90%;<\/strong><\/strong><\/p>\n\n\n\n

3. Th\u1eddi gian thi\u00eau k\u1ebft c\u00f3 th\u1ec3 r\u00fat ng\u1eafn xu\u1ed1ng h\u01a1n 50%;<\/strong><\/strong><\/p>\n\n\n\n

4. T\u0103ng m\u1eadt \u0111\u1ed9 c\u1ee7a c\u1ea5u tr\u00fac, tinh ch\u1ec9nh h\u1ea1t v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u;<\/strong><\/strong><\/p>\n\n\n\n

5. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t. T\u00ednh nh\u1ea5t qu\u00e1n t\u1ed1t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh.<\/strong><\/strong><\/p>\n\n\n\n

L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng thi\u00eau k\u1ebft vi s\u00f3ng:<\/strong><\/strong><\/h2>\n\n\n\n

1. V\u1eadt li\u1ec7u g\u1ed1m:<\/strong><\/strong><\/p>\n\n\n\n

S\u1eed d\u1ee5ng l\u00f2 vi s\u00f3ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 thi\u00eau k\u1ebft t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i s\u1ee9 tr\u1eafng, s\u1ee9 \u0111\u00e1, s\u1ee9 th\u00e2n m\u1ecfng v\u00e0 s\u1ee9 x\u01b0\u01a1ng tro c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed \u0111\u1ed1t h\u01a1n m\u1ed9t n\u1eeda so v\u1edbi l\u00f2 nung thi\u00eau \u0111\u1ed1t truy\u1ec1n th\u1ed1ng ho\u1eb7c \u0111\u1ed1t d\u1ea7u v\u00e0 c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 s\u1ea3n ph\u1ea9m \u0111\u1ea1t ti\u00eau chu\u1ea9n .<\/strong><\/strong><\/p>\n\n\n\n

S\u1eed d\u1ee5ng l\u00f2 vi s\u00f3ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 thi\u00eau k\u1ebft s\u1ee9 \u0111\u1ecf v\u00e0 s\u1ee9 tr\u1eafng xanh c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t r\u1ea5t nhi\u1ec1u, r\u00fat ng\u1eafn th\u1eddi gian nung v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5.<\/strong><\/strong><\/p>\n\n\n\n

L\u00f2 vi s\u00f3ng nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 thi\u00eau k\u1ebft c\u00e1c v\u1eadt li\u1ec7u g\u1ed1m oxit kh\u00e1c nhau, v\u1eadt li\u1ec7u g\u1ed1m nitride, v\u1eadt li\u1ec7u g\u1ed1m cacbua v\u00e0 v\u1eadt li\u1ec7u g\u1ed1m \u0111a pha, c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian nung, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 nung, gi\u1ea3m bi\u1ebfn d\u1ea1ng s\u1ea3n ph\u1ea9m, c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m s\u1ea3n xu\u1ea5t Gi\u00e1 c\u1ea3.<\/strong><\/strong><\/p>\n\n\n\n

2. V\u1eadt li\u1ec7u luy\u1ec7n kim b\u1ed9t:<\/strong><\/strong><\/p>\n\n\n\n

Cacbua xi m\u0103ng: c\u00f4ng c\u1ee5 cacbua xi m\u0103ng thi\u00eau k\u1ebft trong l\u00f2 vi s\u00f3ng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u00e3 th\u1ef1c hi\u1ec7n s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p quy m\u00f4 l\u1edbn. Do qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft nhanh, c\u00e1c h\u1ea1t cacbua nh\u1ecf v\u00e0 hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u1ea5t nhi\u1ec1u. C\u00e1c h\u1ee3p kim vonfram kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft trong l\u00f2 nhi\u1ec7t \u0111\u1ed9 cao vi s\u00f3ng, v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn P \/ M d\u1ef1a tr\u00ean s\u1eaft v\u00e0 \u0111\u1ed3ng kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft trong l\u00f2 nhi\u1ec7t \u0111\u1ed9 cao l\u00f2 vi s\u00f3ng.<\/strong><\/strong><\/p>\n\n\n\n

3. V\u1eadt li\u1ec7u t\u1eeb t\u00ednh:<\/strong><\/strong><\/p>\n\n\n\n

So v\u1edbi l\u00f2 thi\u00eau k\u1ebft truy\u1ec1n th\u1ed1ng, \u0111\u01b0\u1eddng cong \u0111\u1eb7c t\u00ednh t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u ferrite m\u1ec1m mangan k\u1ebdm kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft trong l\u00f2 nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh t\u1ea7n s\u1ed1 cao t\u1ed1t h\u01a1n theo c\u00f9ng t\u1ef7 l\u1ec7.<\/strong><\/strong><\/p>\n\n\n\n

K\u1ebft qu\u1ea3 cho th\u1ea5y c\u00e1c v\u1eadt li\u1ec7u thi\u00eau k\u1ebft b\u1eb1ng l\u00f2 vi s\u00f3ng c\u00f3 t\u1ed5n th\u1ea5t th\u1ea5p h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n c\u1ee7a c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c.<\/strong><\/strong><\/p>\n\n\n\n

4. T\u1ed5ng h\u1ee3p vi s\u00f3ng c\u1ee7a vanadi nitride v\u00e0 c\u00e1c v\u1eadt li\u1ec7u h\u1ee3p kim nitrat s\u1eaft kh\u00e1c nhau:<\/strong><\/strong><\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 t\u1ed5ng h\u1ee3p nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a l\u00f2 vi s\u00f3ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t h\u1ee3p kim nitrat s\u1eaft \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 silicon nitride, mangan nitride v\u00e0 crom nitride, kh\u00f4ng ch\u1ec9 gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t s\u1ea3n ph\u1ea9m.<\/strong><\/strong><\/p>\n\n\n\n

5. Vi s\u00f3ng t\u1ed5ng h\u1ee3p nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t g\u1ed1m kh\u00e1c nhau:<\/strong><\/strong><\/p>\n\n\n\n

B\u1ed9t g\u1ed1m oxit hi\u1ec7u su\u1ea5t cao kh\u00e1c nhau, b\u1ed9t g\u1ed1m nitride, b\u1ed9t g\u1ed1m cacbua v\u00e0 b\u1ed9t boride c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng c\u00f4ng ngh\u1ec7 t\u1ed5ng h\u1ee3p nhi\u1ec7t \u0111\u1ed9 cao vi s\u00f3ng. Bao g\u1ed3m: lithium cobaltite, lithium iron phosphate, nh\u00f4m nitride, nh\u00f4m nitride, Sialon, titan nitride, vanadi nitride, silicon nitride, silicon carbide, titan carbide, vanadi carbide, niobi cacbua, zirconium carbide, titan borat, vv B\u1ed9t g\u1ed1m ch\u1ee9c n\u0103ng v\u00e0 v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung nhi\u1ec7t \u0111\u1ed9 cao b\u1eb1ng l\u00f2 vi s\u00f3ng, ch\u1eb3ng h\u1ea1n nh\u01b0 strontium barium titanate, ch\u00ec zirconate titanate, barium ferrite, yttri barium oxide oxide v\u00e0 v\u1eadt li\u1ec7u ph\u00e1t quang \u0111\u1ea5t hi\u1ebfm d\u00e0i.<\/strong><\/strong><\/p>\n\n\n\n

C\u00e1c v\u1eadt li\u1ec7u b\u1ed9t phi kim lo\u1ea1i v\u00f4 c\u01a1 si\u00eau m\u1ecbn v\u00e0 k\u00edch th\u01b0\u1edbc nano c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00f4ng ngh\u1ec7 t\u1ed5ng h\u1ee3p b\u1ed9t si\u00eau \u00e2m plasma vi s\u00f3ng.<\/strong><\/strong><\/p>\n\n\n\n

6. Vi s\u00f3ng t\u1ed5ng h\u1ee3p nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a c\u00e1c s\u1eafc t\u1ed1 g\u1ed1m kh\u00e1c nhau, men:<\/strong><\/strong><\/p>\n\n\n\n

C\u00e1c s\u1eafc t\u1ed1 v\u00e0 men g\u1ed1m phi kim lo\u1ea1i v\u00f4 c\u01a1 kh\u00e1c nhau c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p b\u1eb1ng qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p vi s\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao: c\u00e1c s\u1eafc t\u1ed1 g\u1ed1c zirconium: ph\u00e8n zirconium xanh, ph\u00e8n zirconi \u0111\u1ecf, s\u1eaft zirconi \u0111\u1ecf;<\/strong><\/strong><\/p>\n\n\n\n

M\u00e0u g\u00f3i: CD (* * s1-x) - M\u00e0u g\u00f3i ZrSiO4.<\/strong><\/strong><\/p>\n\n\n\n

C\u00e1c s\u1eafc t\u1ed1 spinel: h\u1ec7 th\u1ed1ng s\u1eaft cr\u00f4m k\u1ebdm, h\u1ec7 th\u1ed1ng s\u1eaft cr\u00f4m ch\u00ec k\u1ebdm, h\u1ec7 th\u1ed1ng s\u1eaft cr\u00f4m coban.<\/strong><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

introduction of sintering furnace The sintering furnace is a kind of furnace which can make the solid particles of the ceramic green body bond with each other, the grains grow up, the voids (pores) and the grain boundaries decrease gradually. Through the transfer of materials, the total volume shrinks, the density increases, and finally it…<\/p>","protected":false},"author":2,"featured_media":13899,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/01\/\u56fe\u72474-1.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13897"}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=13897"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13897\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/13899"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=13897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=13897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=13897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}