{"id":137124,"date":"2026-05-13T09:57:08","date_gmt":"2026-05-13T01:57:08","guid":{"rendered":"https:\/\/www.alpapowder.com\/137124\/"},"modified":"2026-05-13T09:57:08","modified_gmt":"2026-05-13T01:57:08","slug":"cac-ung-dung-cua-gom-nitru-silic","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/137124\/","title":{"rendered":"C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a g\u1ed1m nitru silic"},"content":{"rendered":"

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C\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c H\u00e0ng kh\u00f4ng V\u0169 tr\u1ee5<\/p>\n

Trong l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, g\u1ed1m silicon nitride \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn v\u1ecf b\u1ea3o v\u1ec7 radar (radome) c\u1ee7a c\u00e1c lo\u1ea1i m\u00e1y bay t\u1ed1c \u0111\u1ed9 cao, nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u01b0\u1ee3t tr\u1ed9i, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n do d\u00f2ng kh\u00ed (ablation), m\u1eadt \u0111\u1ed9 th\u1ea5p v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i \u01b0u vi\u1ec7t.<\/p>\n

C\u00e1c b\u1ed9 ph\u1eadn B\u1ea3o v\u1ec7 Nhi\u1ec7t v\u00e0 C\u1ea5u tr\u00fac: G\u1ed1m silicon nitride x\u1ed1p k\u1ebft h\u1ee3p s\u1ef1 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u1ed1n c\u00f3 c\u1ee7a silicon nitride v\u1edbi \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p v\u00e0 m\u1eadt \u0111\u1ed9 th\u1ea5p\u2014nh\u1eefng \u0111\u1eb7c t\u00ednh ti\u00eau bi\u1ec3u c\u1ee7a v\u1eadt li\u1ec7u x\u1ed1p\u2014khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1eed d\u1ee5ng l\u00e0m t\u1ea5m ch\u1eafn b\u1ea3o v\u1ec7 nhi\u1ec7t cho c\u00e1c t\u00e0u v\u0169 tr\u1ee5. H\u01a1n n\u1eefa, g\u1ed1m silicon nitride c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c b\u1ed9 ph\u1eadn tr\u1ecdng y\u1ebfu nh\u01b0 c\u00e1nh tuabin, l\u1edbp l\u00f3t bu\u1ed3ng \u0111\u1ed1t v\u00e0 v\u1ecf b\u1ea3o v\u1ec7 radar cho t\u00ean l\u1eeda.<\/p>\n

V\u1eadt li\u1ec7u l\u00e0m V\u1ecf b\u1ea3o v\u1ec7 Radar (Radome): V\u1edbi h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i th\u1ea5p v\u00e0 h\u1ec7 s\u1ed1 t\u1ed5n hao \u0111i\u1ec7n m\u00f4i th\u1ea5p, g\u1ed1m silicon nitride x\u1ed1p \u0111\u00f3ng vai tr\u00f2 l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1ecf b\u1ea3o v\u1ec7 radar cho c\u00e1c h\u1ec7 th\u1ed1ng radar tr\u00ean m\u00e1y bay t\u1ed1c \u0111\u1ed9 cao.<\/p>\n

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C\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c C\u01a1 kh\u00ed<\/p>\n

Trong l\u0129nh v\u1ef1c c\u01a1 kh\u00ed, g\u1ed1m silicon nitride ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m c\u00e1c b\u1ed9 ph\u1eadn c\u1ea5u tr\u00fac \u0111\u00f2i h\u1ecfi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao; vi\u1ec7c \u1ee9ng d\u1ee5ng lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y \u0111\u00e3 gi\u00fap m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 gi\u1edbi h\u1ea1n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb c\u01a1 kh\u00ed.<\/p>\n

Bi c\u1ea7u \u1ed5 tr\u1ee5c v\u00e0 V\u1eadt li\u1ec7u nghi\u1ec1n: \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng kinh \u0111i\u1ec3n v\u00e0 th\u00e0nh c\u00f4ng nh\u1ea5t c\u1ee7a g\u1ed1m silicon nitride. So v\u1edbi c\u00e1c \u1ed5 tr\u1ee5c b\u1eb1ng th\u00e9p, bi c\u1ea7u \u1ed5 tr\u1ee5c b\u1eb1ng g\u1ed1m silicon nitride c\u00f3 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n (gi\u00fap gi\u1ea3m 40% tr\u1ecdng l\u01b0\u1ee3ng), qua \u0111\u00f3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 l\u1ef1c ly t\u00e2m trong qu\u00e1 tr\u00ecnh quay \u1edf t\u1ed1c \u0111\u1ed9 cao v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u1ed5 tr\u1ee5c. Ngo\u00e0i ra, h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p cho ph\u00e9p ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng t\u1ef1 b\u00f4i tr\u01a1n; \u0111\u1ed9 c\u1ee9ng cao \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi; v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1eadn h\u00e0nh cao. Do \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 ch\u00ednh x\u00e1c cao ho\u1eb7c m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 trong tr\u1ee5c ch\u00ednh c\u1ee7a m\u00e1y c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c, \u0111\u1ed9ng c\u01a1 m\u00e1y bay, xe \u0111i\u1ec7n v\u00e0 m\u00e1y b\u01a1m h\u00f3a ch\u1ea5t. Trong l\u0129nh v\u1ef1c nghi\u1ec1n si\u00eau m\u1ecbn, bi nghi\u1ec1n b\u1eb1ng g\u1ed1m silicon nitride \u0111ang d\u1ea7n thay th\u1ebf c\u00e1c v\u1eadt li\u1ec7u nghi\u1ec1n truy\u1ec1n th\u1ed1ng nh\u1edd \u0111\u1ed9 c\u1ee9ng cao, \u0111\u1ed9 m\u00e0i m\u00f2n c\u1ef1c th\u1ea5p v\u00e0 \u0111\u1eb7c t\u00ednh \u00edt g\u00e2y nhi\u1ec5m b\u1ea9n cho s\u1ea3n ph\u1ea9m.<\/p>\n

C\u00e1c b\u1ed9 ph\u1eadn Ch\u1ed1ng \u0103n m\u00f2n v\u00e0 Ch\u1ed1ng m\u00e0i m\u00f2n: Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t v\u00e0 luy\u1ec7n kim, g\u1ed1m silicon nitride \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 van, v\u00f2ng \u0111\u1ec7m k\u00edn, v\u00f2i phun, l\u1edbp l\u00f3t \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 \u1ed1ng b\u1ea3o v\u1ec7 c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n b\u1edfi axit-baz\u01a1 v\u00e0 ch\u1ed1ng x\u00f3i m\u00f2n do h\u1ea1t r\u1eafn v\u01b0\u1ee3t tr\u1ed9i, lo\u1ea1i g\u1ed1m n\u00e0y gi\u00fap gi\u1ea3i quy\u1ebft m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1eefng th\u00e1ch th\u1ee9c dai d\u1eb3ng th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i\u2014c\u1ee5 th\u1ec3 l\u00e0 t\u00ednh nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 \u0103n m\u00f2n v\u00e0 tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng h\u1ea1n ch\u1ebf. \u1ee8ng d\u1ee5ng trong L\u0129nh v\u1ef1c B\u00e1n d\u1eabn<\/p>\n

Khi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng \u0111\u1ea1t c\u00f4ng su\u1ea5t \u0111\u1ea7u ra cao h\u01a1n v\u00e0 m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p l\u1edbn h\u01a1n, vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t \u0111i\u1ec3m ngh\u1ebdn then ch\u1ed1t. Nh\u1edd s\u1edf h\u1eefu \u0111\u1ed9 d\u1eabn nhi\u1ec7t l\u00fd thuy\u1ebft cao c\u00f9ng c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i, g\u1ed1m silicon nitride \u0111\u00e3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u \u1ee9ng vi\u00ean l\u00fd t\u01b0\u1edfng cho th\u1ebf h\u1ec7 \u0111\u1ebf \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed hi\u1ec7u su\u1ea5t cao ti\u1ebfp theo.<\/p>\n

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\u1ee8ng d\u1ee5ng trong L\u0129nh v\u1ef1c Y t\u1ebf<\/p>\n

V\u1edbi kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc tuy\u1ec7t v\u1eddi, t\u00ednh kh\u00e1ng khu\u1ea9n, ti\u1ec1m n\u0103ng th\u00fac \u0111\u1ea9y t\u1ea1o x\u01b0\u01a1ng, c\u00f9ng c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u01b0\u01a1ng \u0111\u1ed3ng ch\u1eb7t ch\u1ebd v\u1edbi x\u01b0\u01a1ng ng\u01b0\u1eddi, g\u1ed1m silicon nitride mang l\u1ea1i tri\u1ec3n v\u1ecdng to l\u1edbn cho c\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c y sinh\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 trong ph\u1eabu thu\u1eadt ch\u1ec9nh h\u00ecnh v\u00e0 c\u1ea5y gh\u00e9p nha khoa.<\/p>\n

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C\u00e1c \u1ee8ng d\u1ee5ng Kh\u00e1c<\/p>\n

Ng\u00e0nh Luy\u1ec7n kim: T\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng kh\u00e1ng \u0103n m\u00f2n b\u1edfi kim lo\u1ea1i n\u00f3ng ch\u1ea3y v\u00e0 ch\u1ed1ng s\u1ed1c nhi\u1ec7t v\u01b0\u1ee3t tr\u1ed9i, g\u1ed1m silicon nitride \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c linh ki\u1ec7n nh\u01b0 \u1ed1ng b\u1ea3o v\u1ec7 c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n d\u00f9ng \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 nh\u00f4m n\u00f3ng ch\u1ea3y, l\u1edbp l\u00f3t l\u00f2 n\u1ea5u nh\u00f4m, n\u1ed3i nung v\u00e0 m\u00e1ng d\u1eabn; tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng c\u1ee7a c\u00e1c linh ki\u1ec7n n\u00e0y v\u01b0\u1ee3t xa so v\u1edbi v\u1eadt li\u1ec7u th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 corundum.<\/p>\n

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Ng\u00e0nh C\u00f4ng nghi\u1ec7p \u00d4 t\u00f4: C\u00e1c rotor b\u1ed9 t\u0103ng \u00e1p l\u00e0m t\u1eeb g\u1ed1m silicon nitride \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng tr\u00ean c\u00e1c d\u00f2ng xe \u00f4 t\u00f4 cao c\u1ea5p; m\u1eadt \u0111\u1ed9 th\u1ea5p v\u00e0 qu\u00e1n t\u00ednh quay nh\u1ecf c\u1ee7a ch\u00fang gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 hi\u1ec7n t\u01b0\u1ee3ng tr\u1ec5 t\u0103ng \u00e1p (turbo lag), qua \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 nh\u1ea1y v\u00e0 hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n

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Ng\u00e0nh H\u00f3a ch\u1ea5t v\u00e0 M\u00f4i tr\u01b0\u1eddng: V\u1edbi \u0111\u1eb7c t\u00ednh ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, kh\u00e1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u1ecdc cao, g\u1ed1m silicon nitride x\u1ed1p \u0111\u00f3ng vai tr\u00f2 l\u00e0 v\u1eadt li\u1ec7u hi\u1ec7u qu\u1ea3 cho c\u00e1c b\u1ed9 l\u1ecdc kh\u00ed nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ea5t mang x\u00fac t\u00e1c, linh ki\u1ec7n m\u00e0ng t\u00e1ch v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n","protected":false},"excerpt":{"rendered":"

G\u1ed1m silicon nitride \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t v\u1eadt li\u1ec7u \u1ee9ng vi\u00ean l\u00fd t\u01b0\u1edfng cho th\u1ebf h\u1ec7 \u0111\u1ebf \u0111\u00f3ng g\u00f3i \u0111i\u1ec7n t\u1eed hi\u1ec7u su\u1ea5t cao ti\u1ebfp theo.<\/p>\n","protected":false},"author":7,"featured_media":137099,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-137124","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\/137124","targetHints":{"allow":["GET"]}}],"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=137124"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/137124\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/137099"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=137124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=137124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=137124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}