{"id":130580,"date":"2024-01-05T16:30:20","date_gmt":"2024-01-05T08:30:20","guid":{"rendered":"https:\/\/www.alpapowder.com\/130580\/"},"modified":"2024-01-05T16:30:21","modified_gmt":"2024-01-05T08:30:21","slug":"su-dung-luyen-kim-bot-de-che-tao-vat-lieu-composite-dong-va-kim-cuong-co-tinh-dan-nhiet-cao","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130580\/","title":{"rendered":"S\u1eed d\u1ee5ng luy\u1ec7n kim b\u1ed9t \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u composite \u0111\u1ed3ng v\u00e0 kim c\u01b0\u01a1ng c\u00f3 t\u00ednh d\u1eabn nhi\u1ec7t cao"},"content":{"rendered":"

\"\"<\/p>\n

Trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 bao b\u00ec \u0111i\u1ec7n t\u1eed v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00e1c thi\u1ebft b\u1ecb t\u1ea3n nhi\u1ec7t b\u1eb1ng kim lo\u1ea1i \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n trong nhi\u1ec1u th\u1eadp k\u1ef7. Khi m\u1eadt \u0111\u1ed9 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ti\u1ebfp t\u1ee5c t\u0103ng, y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 t\u00ednh d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c \u0111\u1eb7t ra. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p kim c\u01b0\u01a1ng c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao (2 200 W\/(m\u00b7K)) v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p ((8,6\u00b11)\u00d710-7\/K) v\u1edbi c\u00e1c kim lo\u1ea1i nh\u01b0 \u0111\u1ed3ng v\u00e0 nh\u00f4m, c\u00f3 th\u1ec3 t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao , v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p “kim lo\u1ea1i + kim c\u01b0\u01a1ng” c\u00f3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh, \u0111\u1ed3ng th\u1eddi c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 x\u1eed l\u00fd cao, nh\u1edd \u0111\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a bao b\u00ec \u0111i\u1ec7n t\u1eed kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c coi l\u00e0 th\u1ebf h\u1ec7 th\u1ee9 t\u01b0 c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed.<\/p>\n

Trong s\u1ed1 c\u00e1c v\u1eadt li\u1ec7u kim lo\u1ea1i kh\u00e1c nhau, so v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c nh\u01b0 nh\u00f4m, \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n (385~400 W\/ (m\u00b7K)) v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p (17\u00d710-6\/K). Ch\u1ec9 c\u1ea7n th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u1ed1t th\u00e9p kim c\u01b0\u01a1ng, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u00f3 th\u1ec3 s\u00e1nh ngang v\u1edbi h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a ch\u1ea5t b\u00e1n d\u1eabn v\u00e0 d\u1ec5 d\u00e0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao h\u01a1n. N\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a bao b\u00ec \u0111i\u1ec7n t\u1eed ng\u00e0y nay m\u00e0 c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t. N\u00f3 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5 kh\u1eafc nghi\u1ec7t nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n \u1edf m\u1ee9c \u0111\u1ed9 l\u1edbn h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n h\u1ea1t nh\u00e2n, axit-baz\u01a1 v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n kh\u00f4, \u1ea9m \u01b0\u1edbt, l\u1ea1nh v\u00e0 n\u00f3ng.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb?<\/p>\n

Hi\u1ec7n nay c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u composite kim c\u01b0\u01a1ng\/\u0111\u1ed3ng nh\u01b0 luy\u1ec7n kim b\u1ed9t, l\u1eafng \u0111\u1ecdng h\u00f3a h\u1ecdc, t\u1ea1o h\u1ee3p kim c\u01a1 h\u1ecdc, l\u1eafng \u0111\u1ecdng phun, \u0111\u00fac, v.v. Trong s\u1ed1 \u0111\u00f3, luy\u1ec7n kim b\u1ed9t \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00ec t\u00ednh \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3. qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb v\u00e0 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a v\u1eadt li\u1ec7u composite \u0111\u00e3 chu\u1ea9n b\u1ecb. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ed9t Cu v\u00e0 c\u00e1c h\u1ea1t kim c\u01b0\u01a1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u1ec1u th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n bi, v.v., sau \u0111\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft v\u00e0 \u0111\u00fac \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf v\u1eadt li\u1ec7u composite c\u00f3 c\u1ea5u tr\u00fac vi m\u00f4 \u0111\u1ed3ng nh\u1ea5t. L\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t trong luy\u1ec7n kim b\u1ed9t, \u0111\u00fac thi\u00eau k\u1ebft c\u00f3 li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed1i c\u00f9ng c\u1ee7a th\u00e0nh ph\u1ea9m. C\u00e1c quy tr\u00ecnh thi\u00eau k\u1ebft th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf v\u1eadt li\u1ec7u composite Cu\/kim c\u01b0\u01a1ng bao g\u1ed3m: thi\u00eau k\u1ebft \u00e9p n\u00f3ng, thi\u00eau k\u1ebft \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao, v\u00e0 thi\u00eau k\u1ebft plasma ph\u00f3ng \u0111i\u1ec7n.<\/p>\n

Thi\u00eau k\u1ebft \u00e9p n\u00f3ng
\nPh\u01b0\u01a1ng ph\u00e1p thi\u00eau k\u1ebft \u00e9p n\u00f3ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh h\u00e0n khu\u1ebfch t\u00e1n. L\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng \u0111\u1ec3 chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u composite, quy tr\u00ecnh ch\u00ednh l\u00e0 tr\u1ed9n \u0111\u1ec1u c\u1ed1t th\u00e9p v\u00e0 b\u1ed9t \u0111\u1ed3ng, \u0111\u1eb7t ch\u00fang v\u00e0o khu\u00f4n c\u00f3 h\u00ecnh d\u1ea1ng c\u1ee5 th\u1ec3 v\u00e0 \u0111\u1eb7t ch\u00fang trong m\u00f4i tr\u01b0\u1eddng kh\u00ed quy\u1ec3n, ch\u00e2n kh\u00f4ng ho\u1eb7c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. Trong kh\u00ed quy\u1ec3n, \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng theo h\u01b0\u1edbng m\u1ed9t tr\u1ee5c trong khi gia nhi\u1ec7t, do \u0111\u00f3 qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh v\u00e0 thi\u00eau k\u1ebft di\u1ec5n ra \u0111\u1ed3ng th\u1eddi. Do b\u1ed9t \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft d\u01b0\u1edbi \u00e1p su\u1ea5t n\u00ean b\u1ed9t c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 v\u1eadt li\u1ec7u c\u00f3 m\u1eadt \u0111\u1ed9 cao, c\u00f3 th\u1ec3 th\u1ea3i kh\u00ed d\u01b0 trong b\u1ed9t, t\u1eeb \u0111\u00f3 h\u00ecnh th\u00e0nh giao di\u1ec7n \u1ed5n \u0111\u1ecbnh v\u00e0 b\u1ec1n v\u1eefng gi\u1eefa kim c\u01b0\u01a1ng v\u00e0 \u0111\u1ed3ng. , c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n li\u00ean k\u1ebft v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite<\/p>\n

Thi\u00eau k\u1ebft nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao v\u00e0 \u00e1p su\u1ea5t cao
\nPh\u01b0\u01a1ng ph\u00e1p \u00e1p su\u1ea5t c\u1ef1c cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 c\u01a1 ch\u1ebf t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p thi\u00eau k\u1ebft \u00e9p n\u00f3ng, ngo\u1ea1i tr\u1eeb \u00e1p su\u1ea5t \u00e1p d\u1ee5ng l\u1edbn h\u01a1n, th\u01b0\u1eddng l\u00e0 1-10 GPa. Th\u00f4ng qua nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao h\u01a1n, b\u1ed9t h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c thi\u00eau k\u1ebft nhanh ch\u00f3ng v\u00e0 h\u00ecnh th\u00e0nh trong th\u1eddi gian ng\u1eafn.
\nThi\u00eau k\u1ebft tia l\u1eeda plasma
\nQu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft plasma plasma (SPS) \u00e1p d\u1ee5ng d\u00f2ng xung n\u0103ng l\u01b0\u1ee3ng cao v\u00e0o b\u1ed9t v\u00e0 t\u1ea1o ra m\u1ed9t \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 g\u00e2y ra s\u1ef1 ph\u00f3ng \u0111i\u1ec7n gi\u1eefa c\u00e1c h\u1ea1t \u0111\u1ec3 k\u00edch th\u00edch plasma. C\u00e1c h\u1ea1t n\u0103ng l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi s\u1ef1 ph\u00f3ng \u0111i\u1ec7n va ch\u1ea1m v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c h\u1ea1t, c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t. \u0110\u1ea1t \u0111\u01b0\u1ee3c qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft \u0111\u1eadm \u0111\u1eb7c c\u1ef1c nhanh.
\nLuy\u1ec7n kim b\u1ed9t \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00ec quy tr\u00ecnh chu\u1ea9n b\u1ecb \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a v\u1eadt li\u1ec7u composite \u0111\u00e3 chu\u1ea9n b\u1ecb.<\/p>\n","protected":false},"excerpt":{"rendered":"

Luy\u1ec7n kim b\u1ed9t \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00ec quy tr\u00ecnh chu\u1ea9n b\u1ecb \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a v\u1eadt li\u1ec7u composite \u0111\u00e3 chu\u1ea9n b\u1ecb.<\/p>\n","protected":false},"author":7,"featured_media":130544,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130580"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=130580"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130580\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/130544"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}