{"id":19763,"date":"2020-05-11T09:19:38","date_gmt":"2020-05-11T09:19:38","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=19763"},"modified":"2020-05-12T02:08:09","modified_gmt":"2020-05-12T02:08:09","slug":"what-is-hot-isostatic-pressing-hip","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/what-is-hot-isostatic-press-hip\/","title":{"rendered":"\u00c9p n\u00f3ng Isostatic (HIP) l\u00e0 g\u00ec?"},"content":{"rendered":"

\u00c9p n\u00f3ng \u0111\u1eb3ng \u00e1p (h\u00f4ng) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd v\u1eadt li\u1ec7u, n\u00e9n v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng \u0111\u1ed3ng th\u1eddi nhi\u1ec7t \u0111\u1ed9 cao t\u1eeb h\u00e0ng tr\u0103m \u0111\u1ebfn 2000oC v\u00e0 \u00e9p \u0111\u1eb3ng \u00e1p t\u1eeb h\u00e0ng ch\u1ee5c \u0111\u1ebfn 200 MPa. Argon l\u00e0 m\u00f4i tr\u01b0\u1eddng \u00e1p su\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1ea5t.<\/p>

B\u00e1o ch\u00ed n\u00f3ng r\u1ea5t gi\u1ed1ng v\u1edbi h\u00f4ng. Phay, r\u00e8n v\u00e0 \u0111\u00f9n c\u0169ng th\u00edch h\u1ee3p cho nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u00e1p su\u1ea5t cao, nh\u01b0ng kh\u00f4ng \u00e1p d\u1ee5ng cho \u00e1p su\u1ea5t \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng.<\/p>

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa kh\u1edbp h\u00f4ng v\u00e0 \u00e9p n\u00f3ng<\/strong><\/p>

H\u00f4ng \u00e1p d\u1ee5ng \u00e1p su\u1ea5t \u0111\u1eb3ng \u00e1p cho v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed, trong khi \u00e1p su\u1ea5t n\u00f3ng ch\u1ec9 \u00e1p d\u1ee5ng cho \u00e1p su\u1ea5t \u0111\u01a1n h\u01b0\u1edbng. M\u1ed9t tr\u1ee5 c\u1ed9t ho\u00e0n to\u00e0n c\u00f3 th\u1ea9m quy\u1ec1n<\/p>

\u0110\u1ec3 gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u00e9p \u0111\u1eb3ng nhi\u1ec7t v\u00e0 \u00e9p n\u00f3ng, ng\u01b0\u1eddi ta cho r\u1eb1ng \u00e9p n\u00f3ng \u0111\u1eb3ng \u00e1p ho\u1eb7c \u00e9p n\u00f3ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho v\u1eadt li\u1ec7u a (kim lo\u1ea1i c\u00f3 l\u1ed7 b\u00ean trong) v\u00e0 v\u1eadt li\u1ec7u B (kim lo\u1ea1i c\u00f3 \u0111\u1ea7u kh\u00f4ng \u0111\u1ec1u).<\/p>

Trong tr\u01b0\u1eddng h\u1ee3p kh\u1edbp h\u00f4ng, v\u1eadt li\u1ec7u a, nh\u01b0 trong H\u00ecnh 1, s\u1ebd co l\u1ea1i \u0111\u1ec3 duy tr\u00ec h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u cho \u0111\u1ebfn khi l\u1ed7 ch\u00e2n l\u00f4ng b\u00ean trong bi\u1ebfn m\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p do hi\u1ec7u \u1ee9ng khu\u1ebfch t\u00e1n. M\u1eb7t kh\u00e1c, do \u00e1p su\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u \u00e1p d\u1ee5ng cho c\u1ea1nh kh\u00f4ng \u0111\u1ec1u, v\u1eadt li\u1ec7u B s\u1ebd kh\u00f4ng thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3.<\/p>

Trong tr\u01b0\u1eddng h\u1ee3p \u00e9p n\u00f3ng, v\u1eadt li\u1ec7u a c\u0169ng s\u1ebd cho th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 h\u00f4ng, nh\u01b0 trong H\u00ecnh 2. Tuy nhi\u00ean, v\u1eadt li\u1ec7u B kh\u00f4ng th\u1ec3 duy tr\u00ec h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ban \u0111\u1ea7u c\u1ee7a n\u00f3 v\u00ec \u00e1p l\u1ef1c ch\u1ec9 t\u00e1c \u0111\u1ed9ng l\u00ean ph\u1ea7n n\u00e2ng l\u00ean. V\u1eadt li\u1ec7u a v\u00e0 v\u1eadt li\u1ec7u B s\u1ebd c\u00f3 h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng kh\u00e1c nhau sau khi \u00e9p n\u00f3ng, t\u00f9y thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng c\u1ee7a khu\u00f4n v\u00e0 c\u00fa \u0111\u1ea5m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Do s\u1ef1 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a ma s\u00e1t khu\u00f4n v\u00e0 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng, c\u00f3 th\u1ec3 kh\u00f3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m l\u1edbn v\u00e0 khu\u00f4n \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>

So v\u1edbi \u00e9p n\u00f3ng, \u00e9p \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng c\u00f3 th\u1ec3 cung c\u1ea5p h\u00ecnh d\u1ea1ng v\u1eadt li\u1ec7u v\u1edbi r\u1ea5t \u00edt s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi \u00e1p su\u1ea5t ban \u0111\u1ea7u. M\u1ed9t v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 duy tr\u00ec h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u ngay c\u1ea3 sau khi thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng v\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i \u00edt b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi qu\u00e1 tr\u00ecnh x\u1eed l\u00fd s\u1ea3n ph\u1ea9m. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y, h\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau.\"\"<\/p>

Kh\u00ed trung \u00e1p cao (argon)<\/strong><\/strong><\/p>

\u1ede 1000oC v\u00e0 98mpa, argon c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra s\u1ef1 \u0111\u1ed1i l\u01b0u m\u1ea1nh do m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 nh\u1edbt th\u1ea5p (l\u1ea7n l\u01b0\u1ee3t l\u00e0 30% v\u00e0 15% c\u1ee7a n\u01b0\u1edbc) v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t cao. Do \u0111\u00f3, h\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t c\u1ee7a thi\u1ebft b\u1ecb \u00e1p su\u1ea5t \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng cao h\u01a1n so v\u1edbi l\u00f2 \u0111i\u1ec7n t\u1eed th\u00f4ng th\u01b0\u1eddng.\"\"<\/p>

\u1ee8ng d\u1ee5ng h\u00f4ng<\/strong><\/strong><\/p>

H\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nh\u01b0 sau:<\/p>

  1. Thi\u00eau k\u1ebft \u00e1p l\u1ef1c b\u1ed9t<\/li>
  2. K\u1ebft n\u1ed1i khu\u1ebfch t\u00e1n c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau<\/li>
  3. Lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7 ch\u00e2n l\u00f4ng c\u00f2n l\u1ea1i trong c\u00e1c ph\u1ea7n thi\u00eau k\u1ebft<\/li>
  4. Lo\u1ea1i b\u1ecf c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong c\u1ee7a v\u1eadt \u0111\u00fac<\/li>
  5. T\u00e1i sinh c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb h\u01b0 h\u1ecfng do m\u1ec7t m\u1ecfi ho\u1eb7c leo<\/li>
  6. Carbon h\u00f3a ng\u00e2m t\u1ea9m \u00e1p su\u1ea5t cao<\/li><\/ol>
    \"\"<\/figure>

    \u0110i\u1ec1u tr\u1ecb HIP<\/strong><\/strong><\/p>

    \"\"<\/figure>

    V\u1eadt li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo t\u00ecnh h\u00ecnh. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau bi\u1ec3u nh\u1ea5t bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p vi\u00ean nang c\u1ee7a ng\u01b0\u1eddi H\u1ed3i gi\u00e1o<\/p>

    Nh\u01b0 th\u1ec3 hi\u1ec7n trong h\u00ecnh b\u00ean ph\u1ea3i, ph\u01b0\u01a1ng ph\u00e1p vi\u00ean nang c\u1ee7a ng\u01b0\u1eddi H\u1ed3i gi\u00e1o l\u00e0 \u0111\u1eb7t b\u1ed9t ho\u1eb7c v\u1eadt th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1edfi b\u1ed9t v\u00e0o vi\u00ean nang k\u00edn kh\u00ed v\u00e0 l\u00e0m r\u1ed7ng vi\u00ean nang tr\u01b0\u1edbc khi thay kh\u1edbp h\u00e1ng.<\/p>

    Ph\u01b0\u01a1ng ph\u00e1p vi\u00ean nang n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p m\u1eadt \u0111\u1ed9 cao ngay c\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00f3 b\u1ecb thi\u00eau k\u1ebft b\u1eb1ng c\u00f4ng ngh\u1ec7 thi\u00eau k\u1ebft th\u00f4ng th\u01b0\u1eddng. Do \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft \u00e1p su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean k\u1ebft khu\u1ebfch t\u00e1n ho\u1eb7c cacbon h\u00f3a ng\u00e2m t\u1ea9m \u00e1p su\u1ea5t cao c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau.<\/p>

    B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c v\u1eadt li\u1ec7u ch\u00ednh c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng ch\u1ee9a vi\u00ean nang v\u00e0 nhi\u1ec7t \u0111\u1ed9 \/ \u00e1p su\u1ea5t \u0111i\u1ec1u tr\u1ecb kh\u1edbp h\u00f4ng.<\/p>

    \"\"<\/figure>

    \u0110\u1ed3ng th\u1eddi, n\u1ebfu c\u00e1c l\u1ed7 b\u00ean trong v\u1eadt li\u1ec7u b\u1ecb c\u00f4 l\u1eadp v\u00e0 \u0111\u00f3ng l\u1ea1i, v\u00e0 kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i v\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u, c\u00e1c l\u1ed7 ch\u00e2n l\u00f4ng n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00f9n ra v\u00e0 lo\u1ea1i b\u1ecf b\u1eb1ng c\u00e1ch x\u1eed l\u00fd \u00e1p su\u1ea5t n\u00f3ng. M\u1eb7t kh\u00e1c, ngay c\u1ea3 sau khi x\u1eed l\u00fd h\u00f4ng, c\u00e1c l\u1ed7 m\u1edf k\u1ebft n\u1ed1i v\u1edbi b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u s\u1ebd kh\u00f4ng b\u1ecb si\u1ebft ch\u1eb7t. Do \u0111\u00f3, v\u1eadt li\u1ec7u c\u00f3 l\u1ed7 ch\u00e2n l\u00f4ng k\u00edn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch \u00e9p \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng, c\u00f3 th\u1ec3 l\u00e0m cho to\u00e0n b\u1ed9 v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 n\u00e9n cao.<\/p>

    V\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng y\u00eau c\u1ea7u \u0111i\u1ec1u tr\u1ecb kh\u1edbp h\u00e1ng, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn nh\u01b0 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng c\u00f3 vi\u00ean nang. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7 ch\u00e2n l\u00f4ng c\u00f2n s\u00f3t l\u1ea1i tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn thi\u00eau k\u1ebft, lo\u1ea1i b\u1ecf c\u00e1c khuy\u1ebft t\u1eadt b\u00ean trong c\u1ee7a v\u1eadt \u0111\u00fac v\u00e0 s\u1eeda ch\u1eefa c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb h\u01b0 h\u1ecfng do m\u1ec7t m\u1ecfi ho\u1eb7c leo.<\/p>

    Hi\u1ec7u \u1ee9ng kh\u1edbp h\u00f4ng<\/strong><\/strong><\/p>

    Nh\u1ea5n \u0111\u1eb3ng nhi\u1ec7t n\u00f3ng c\u1ee7a v\u1eadt \u0111\u00fac l\u00e0m t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a v\u1ebft n\u1ee9t t\u1eeb 1,3 \u0111\u1ebfn 3,5 l\u1ea7n, k\u00e9o d\u00e0i v\u00e0 co l\u1ea1i, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i h\u1ee3p kim, nh\u01b0 trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y.<\/p>

    \"\"<\/figure>

    <\/p><\/div>","protected":false},"excerpt":{"rendered":"

    Hot isostatic pressing (hip) is a material processing method, which compresses materials by simultaneously applying high temperature of hundreds to 2000 \u2103 and isostatic pressing of dozens to 200 MPa. Argon is the most commonly used pressure medium. The hot press is very similar to the hip. Milling, forging and extrusion are also suitable for…<\/p>","protected":false},"author":2,"featured_media":19786,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-19763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/hot-isostatic-pressing-1.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/19763","targetHints":{"allow":["GET"]}}],"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=19763"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/19763\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19786"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=19763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=19763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=19763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}