{"id":130257,"date":"2023-12-08T10:14:15","date_gmt":"2023-12-08T02:14:15","guid":{"rendered":"https:\/\/www.alpapowder.com\/130257\/"},"modified":"2023-12-08T10:14:16","modified_gmt":"2023-12-08T02:14:16","slug":"phat-trien-va-ung-dung-vat-lieu-boron-nitrit-hieu-suat-cao","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130257\/","title":{"rendered":"Ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u boron nitrit hi\u1ec7u su\u1ea5t cao"},"content":{"rendered":"

\"\"<\/p>\n

L\u00e0 m\u1ed9t v\u1eadt li\u1ec7u g\u1ed1m m\u1edbi c\u00f3 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi v\u00e0 ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n l\u1edbn, boron nitride bao g\u1ed3m n\u0103m \u0111\u1ed3ng ph\u00e2n l\u00e0 boron nitride l\u1ee5c gi\u00e1c (h-BN), boron nitride kh\u1ed1i (c-BN), s\u1ee3i k\u1ebdm boron nitride (w-BN), h\u00ecnh thoi boron nitrit (r-BN) v\u00e0 boron nitrit h\u00ecnh thoi (o-BN).<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a Boron Nitride<\/p>\n

Nghi\u00ean c\u1ee9u hi\u1ec7n nay v\u1ec1 BN ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o pha l\u1ee5c gi\u00e1c (h-BN) v\u00e0 pha l\u1eadp ph\u01b0\u01a1ng (c-BN). Lo\u1ea1i tr\u01b0\u1edbc c\u00f3 t\u00ednh b\u00f4i tr\u01a1n, t\u00ednh d\u1eabn nhi\u1ec7t v\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9 cao t\u1ed1t; c\u00e1i sau c\u0169ng \u1edf tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng nhi\u1ec7t \u0111\u1ed9ng v\u00e0 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t b\u00ecnh th\u01b0\u1eddng. L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a h-BN l\u00e0 l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 t\u1ed5ng h\u1ee3p boron nitrit kh\u1ed1i.<\/p>\n

Nitrua boron l\u1ee5c gi\u00e1c<\/p>\n

Boron nitride l\u1ee5c gi\u00e1c l\u00e0 v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ed1ng \u0103n m\u00f2n, d\u1eabn nhi\u1ec7t cao, c\u00e1ch nhi\u1ec7t cao v\u00e0 \u0111\u1eb7c t\u00ednh b\u00f4i tr\u01a1n tuy\u1ec7t v\u1eddi. Theo t\u00ecnh h\u00ecnh hi\u1ec7n nay, vi\u1ec7c \u0111\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh, gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn l\u00e0 nh\u1eefng so s\u00e1nh hi\u1ec7n nay c\u1ee7a lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y. H\u01b0\u1edbng nghi\u00ean c\u1ee9u t\u00edch c\u1ef1c. C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh: n\u1ed3i n\u1ea5u kim lo\u1ea1i, thuy\u1ec1n, \u1ed1ng ph\u00e2n ph\u1ed1i kim lo\u1ea1i l\u1ecfng, v\u00f2i phun t\u00ean l\u1eeda, \u0111\u1ebf thi\u1ebft b\u1ecb c\u00f4ng su\u1ea5t cao, v.v. \u0111\u1ec3 n\u1ea5u ch\u1ea3y kim lo\u1ea1i bay h\u01a1i. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 c\u00e1c ch\u1ea5t ph\u1ee5 gia v\u1eadt li\u1ec7u kh\u00e1c nhau.<\/p>\n

kh\u1ed1i boron nitrit<\/p>\n

\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u m\u00e0i m\u00f2n. C\u00e1c h\u1ea1t nh\u1ecf c\u1ee7a tinh th\u1ec3 \u0111\u01a1n cBN c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u m\u00e0i m\u00f2n. D\u1ee5ng c\u1ee5 m\u00e0i m\u00f2n CBN s\u1eed d\u1ee5ng t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t li\u00ean k\u1ebft \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c h\u1ea1t m\u00e0i m\u00f2n cBN th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 h\u00ecnh d\u1ea1ng h\u00ecnh h\u1ecdc nh\u1ea5t \u0111\u1ecbnh nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00e0i m\u00f2n v\u1eadt li\u1ec7u si\u00eau c\u1ee9ng.<\/p>\n

\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u c\u00f4ng c\u1ee5. PcBN kh\u1eafc ph\u1ee5c nh\u1eefng thi\u1ebfu s\u00f3t c\u1ee7a tinh th\u1ec3 \u0111\u01a1n cBN, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1ec5 ph\u00e2n t\u00e1ch v\u00e0 d\u1ecb h\u01b0\u1edbng, v\u00e0 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u1eadt li\u1ec7u d\u1ee5ng c\u1ee5. D\u1ee5ng c\u1ee5 c\u1eaft PcBN \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p \u0111\u1ec3 c\u1eaft t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1eaft c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Ch\u00fang \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u00e1y c\u00f4ng c\u1ee5 CNC v\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 c\u1eaft c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 c\u1ee9ng cao.<\/p>\n

V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 v\u00e0 nhu c\u1ea7u \u1ee9ng d\u1ee5ng ng\u00e0y c\u00e0ng t\u0103ng, boron nitride c\u00f3 tri\u1ec3n v\u1ecdng ph\u00e1t tri\u1ec3n r\u1ed9ng l\u1edbn trong t\u01b0\u01a1ng lai. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 xu h\u01b0\u1edbng c\u00f3 th\u1ec3:<\/p>\n

N\u00e2ng cao hi\u1ec7u qu\u1ea3 chu\u1ea9n b\u1ecb: C\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 chu\u1ea9n b\u1ecb l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t boron nitride quy m\u00f4 l\u1edbn v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n b\u1ecb hi\u1ec7u qu\u1ea3 v\u00e0 kinh t\u1ebf h\u01a1n l\u00e0 m\u1ee5c ti\u00eau ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3.<\/p>\n

Hi\u1ec7n nay, hi\u1ec7u su\u1ea5t \u0111i\u1ec1u ch\u1ebf boron nitride th\u1ea5p, \u0111\u00f2i h\u1ecfi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao h\u01a1n, chu tr\u00ecnh \u0111i\u1ec1u ch\u1ebf k\u00e9o d\u00e0i. M\u1ed9t trong nh\u1eefng h\u01b0\u1edbng nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai l\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf hi\u1ec7u qu\u1ea3 v\u00e0 kinh t\u1ebf h\u01a1n \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u ch\u1ebf boron nitrit.<\/p>\n

Ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u m\u1edbi: Ngo\u00e0i c\u00e1c v\u1eadt li\u1ec7u boron nitride th\u00f4ng th\u01b0\u1eddng, c\u00e1c v\u1eadt li\u1ec7u m\u1edbi nh\u01b0 boron nitride hai chi\u1ec1u v\u00e0 boron nitride x\u1ed1p s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ch\u00fa \u00fd. Nh\u1eefng v\u1eadt li\u1ec7u m\u1edbi n\u00e0y c\u00f3 c\u1ea5u tr\u00fac v\u00e0 \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o v\u00e0 d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c h\u01a1n.<\/p>\n

M\u1edf r\u1ed9ng l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng: Boron nitride \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111i\u1ec7n t\u1eed, quang \u0111i\u1ec7n t\u1eed, khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c. Hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng nhi\u1ec1u l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng h\u01a1n trong t\u01b0\u01a1ng lai, ch\u1eb3ng h\u1ea1n nh\u01b0 y sinh, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n

C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh: C\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a boron nitride c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch ki\u1ec3m so\u00e1t c\u1ea5u tr\u00fac tinh th\u1ec3 v\u00e0 \u0111\u1ed9 tinh khi\u1ebft \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng cao h\u01a1n trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, hi\u1ec7u su\u1ea5t \u0111i\u1ec1u ch\u1ebf boron nitride th\u1ea5p, \u0111\u00f2i h\u1ecfi \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao h\u01a1n, chu tr\u00ecnh \u0111i\u1ec1u ch\u1ebf k\u00e9o d\u00e0i.<\/p>\n","protected":false},"author":7,"featured_media":130222,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130257","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\/130257","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=130257"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130257\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/130222"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}