{"id":15874,"date":"2026-09-08T08:17:34","date_gmt":"2026-09-08T01:17:34","guid":{"rendered":"https:\/\/useful.vn\/?p=15874"},"modified":"2026-09-08T08:17:34","modified_gmt":"2026-09-08T01:17:34","slug":"kim-cuong-nhan-tao-ben-gap-5-lan-kim-cuong-tu-nhien","status":"publish","type":"post","link":"https:\/\/useful.vn\/?p=15874","title":{"rendered":"Kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o b\u1ec1n g\u1ea5p 5 l\u1ea7n kim c\u01b0\u01a1ng t\u1ef1 nhi\u00ean"},"content":{"rendered":"
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\nKim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o b\u1ec1n g\u1ea5p 5 l\u1ea7n kim c\u01b0\u01a1ng t\u1ef1 nhi\u00ean <\/h1>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc Trung Qu\u1ed1c s\u1eed d\u1ee5ng m\u1ea1ng l\u01b0\u1edbi \u1ed1ng nano carbon \u0111\u1ec3 t\u1ea1o ra c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 b\u00ean trong gi\u00fap v\u1eadt li\u1ec7u b\u1ec1n h\u01a1n g\u1ea5p 5 l\u1ea7n kim c\u01b0\u01a1ng t\u1ef1 nhi\u00ean.<\/p>\n

Theo SCMP<\/em>,nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1ebfn t\u1eeb Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Trung Qu\u1ed1c v\u00e0 \u0110\u1ea1i h\u1ecdc H\u00e0ng kh\u00f4ng V\u0169 tr\u1ee5 B\u1eafc Kinh t\u00ecm ra gi\u1ea3i ph\u00e1p gi\u00fap \u0111\u1ed9 b\u1ec1n (kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh g\u00e2y n\u1ee9t v\u1ee1) c\u1ee7a kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o t\u0103ng g\u1ea5p 5 l\u1ea7n m\u00e0 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng kh\u00f4ng kh\u00e1c bi\u1ec7t so v\u1edbi kim c\u01b0\u01a1ng t\u1ef1 nhi\u00ean. Trong b\u00e0i b\u00e1o c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature Synthesis<\/em>, h\u1ecd l\u1ed3ng gh\u00e9p m\u1ea1ng l\u01b0\u1edbi \u1ed1ng nano carbon 3D v\u00e0o b\u00ean trong c\u1ea5u tr\u00fac kim c\u01b0\u01a1ng, t\u1ea1o ra v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p th\u1eadm ch\u00ed c\u00f2n b\u1ec1n h\u01a1n h\u1ee3p kim tungsten s\u1eed d\u1ee5ng trong \u0111\u1ea1n xuy\u00ean gi\u00e1p.<\/p>\n

\u0110i\u1ec3m y\u1ebfu c\u1ee7a kim c\u01b0\u01a1ng n\u1eb1m \u1edf \u0111\u1ed9 gi\u00f2n. C\u00e1c li\u00ean k\u1ebft carbon gi\u1ed1ng nhau mang l\u1ea1i \u0111\u1ed9 c\u1ee9ng cho kim c\u01b0\u01a1ng nh\u01b0ng c\u0169ng t\u1ea1o ra c\u1ea5u tr\u00fac k\u00e9m linh ho\u1ea1t. Ch\u1ec9 c\u1ea7n m\u1ed9t c\u00fa \u0111\u00e1nh ch\u00ednh x\u00e1c v\u00e0o m\u1eb7t c\u1eaft y\u1ebfu \u0111\u00e3 \u0111\u1ee7 l\u00e0m v\u1ee1 vi\u00ean \u0111\u00e1. Tr\u01b0\u1edbc \u0111\u00e2y, gi\u1edbi nghi\u00ean c\u1ee9u t\u00ecm c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac vi m\u00f4 b\u00ean trong kim c\u01b0\u01a1ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n, nh\u01b0ng l\u1ea1i l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng.<\/p>\n

Thay v\u00ec s\u1eafp x\u1ebfp l\u1ea1i c\u1ea5u tr\u00fac nguy\u00ean t\u1eed c\u1ee7a kim c\u01b0\u01a1ng, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a Jiawei Zhang, Keliang Qiu, v\u00e0 Xiaohui Yu s\u1eed d\u1ee5ng m\u1ea1ng l\u01b0\u1edbi 3D li\u1ec1n m\u1ea1ch x\u1ebfp t\u1eeb \u1ed1ng nano carbon nhi\u1ec1u l\u1edbp (MWCNT). \u1ed0ng nano carbon nhi\u1ec1u l\u1edbp c\u1ef1c k\u1ef3 nh\u1ecf, ch\u1ec9 b\u1eb1ng 1\/10.000 chi\u1ec1u r\u1ed9ng s\u1ee3i t\u00f3c ng\u01b0\u1eddi, do \u0111\u00f3 kh\u00f4ng th\u1ec3 quan s\u00e1t d\u01b0\u1edbi b\u1ea5t k\u1ef3 k\u00ednh hi\u1ec3n vi quang h\u1ecdc n\u00e0o. \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a n\u00f3 l\u1edbn h\u01a1n h\u00e0ng ch\u1ee5c l\u1ea7n so v\u1edbi th\u00e9p.<\/p>\n

N\u1ed7 l\u1ef1c tr\u01b0\u1edbc \u0111\u00e2y nh\u1eb1m t\u00edch h\u1ee3p \u1ed1ng nano carbon v\u00e0o g\u1ed1m ho\u1eb7c kim lo\u1ea1i kh\u00f4ng th\u00e0nh c\u00f4ng v\u00ec MWCNT v\u00e0 v\u1eadt li\u1ec7u n\u1ec1n ch\u1ec9 ti\u1ebfp x\u00fac l\u1ecfng l\u1ebbo n\u00ean kh\u00f4ng th\u1ec3 truy\u1ec1n l\u1ef1c hi\u1ec7u qu\u1ea3 ho\u1eb7c ch\u1ecbu \u00e1p l\u1ef1c. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u Trung Qu\u1ed1c b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c tr\u1ed9n k\u1ef9 b\u1ed9t kim c\u01b0\u01a1ng v\u1edbi \u1ed1ng nano. Ti\u1ebfp theo, h\u1ecd \u0111\u1ec3 h\u1ed7n h\u1ee3p tr\u1ea3i qua nhi\u1ec7t \u0111\u1ed9 2.000 \u0111\u1ed9 C v\u00e0 \u00e1p su\u1ea5t c\u1ef1c cao l\u00ean t\u1edbi 15 gigapascal (GPa), g\u1ea5p kho\u1ea3ng 150.000 l\u1ea7n \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n. \u00c1p su\u1ea5t n\u00e0y \u0111\u1ee7 cao \u0111\u1ec3 h\u1ee3p nh\u1ea5t hai v\u1eadt li\u1ec7u nh\u01b0ng kh\u00f4ng qu\u00e1 cao \u0111\u1ebfn m\u1ee9c bi\u1ebfn \u1ed1ng nano carbon th\u00e0nh kim c\u01b0\u01a1ng ho\u1eb7c qu\u00e1 th\u1ea5p \u0111\u1ec3 h\u1ed7n h\u1ee3p b\u1ed9t tr\u1edf th\u00e0nh graphite.<\/p>\n

K\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c l\u00e0 m\u1ea3ng \u1ed1ng nano gi\u1eef nguy\u00ean h\u00ecnh d\u1ea1ng s\u1ee3i \u0111\u1ed3ng th\u1eddi h\u00ecnh th\u00e0nh li\u00ean k\u1ebft h\u00f3a h\u1ecdc m\u1ea1nh v\u1edbi kim c\u01b0\u01a1ng \u1edf c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed. Theo nh\u00f3m nghi\u00ean c\u1ee9u, \u1ed1ng nano ho\u1ea1t \u0111\u1ed9ng nh\u01b0 thanh c\u1ed1t th\u00e9p trong b\u00ea t\u00f4ng, t\u1ea1o th\u00e0nh m\u1ea1ng l\u01b0\u1edbi 3D li\u00ean t\u1ee5c gi\u1eefa nh\u1eefng h\u1ea1t kim c\u01b0\u01a1ng nh\u01b0ng ch\u00fang c\u0169ng li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi nhau.<\/p>\n

B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac gi\u1eefa \u1ed1ng nano carbon v\u00e0 kim c\u01b0\u01a1ng ph\u00e2n ph\u1ed1i \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc tr\u00ean to\u00e0n b\u1ed9 v\u1eadt li\u1ec7u thay v\u00ec t\u1eadp trung t\u1ea1i m\u1ed9t \u0111i\u1ec3m n\u1ee9t duy nh\u1ea5t. V\u00f4 s\u1ed1 \u1ed1ng nano k\u00e9o v\u1ebft n\u1ee9t t\u1eeb m\u1ecdi h\u01b0\u1edbng, h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn n\u0103ng l\u01b0\u1ee3ng v\u00e0 ng\u0103n ch\u1eb7n \u0111\u01b0\u1eddng n\u1ee9t v\u1ee1 ch\u1ea1y t\u1ef1 do. Th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m cho th\u1ea5y v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 c\u1ee9ng kho\u1ea3ng 91,6 GPa, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kim c\u01b0\u01a1ng \u0111\u01a1n tinh th\u1ec3 th\u00f4ng th\u01b0\u1eddng v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00ean \u0111\u1ebfn 36,4 MPa.m1\/2, g\u1ea5p 5-6 l\u1ea7n so v\u1edbi h\u1ee3p kim tungsten.<\/p>\n

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Nh\u00f3m nghi\u00ean c\u1ee9u Trung Qu\u1ed1c t\u1ea1o ra kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o v\u1edbi \u0111\u1ed9 b\u1ec1n cao h\u01a1n h\u1eb3n kim c\u01b0\u01a1ng \u0111\u01a1n tinh th\u1ec3 trong t\u1ef1 nhi\u00ean nh\u01b0ng kh\u00f4ng l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng. \u1ea2nh: Britannica<\/em><\/p>\n<\/figcaption><\/figure>\n

Theo Interesting Engineering<\/em>, c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ec1m n\u0103ng c\u1ee7a lo\u1ea1i kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o m\u1edbi r\u1ea5t r\u1ed9ng, t\u1eeb c\u00f4ng c\u1ee5 c\u1eaft si\u00eau c\u1ee9ng \u0111\u1ec3 gia c\u00f4ng kim lo\u1ea1i v\u00e0 g\u1ed1m \u0111\u1ebfn m\u0169i khoan \u0111\u1ecba ch\u1ea5t v\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 ph\u1eadn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. Ph\u1ea7n l\u1edbn \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a kim c\u01b0\u01a1ng hi\u1ec7n nay nh\u01b0 c\u00f4ng c\u1ee5 c\u1eaft, thi\u1ebft b\u1ecb khoan, m\u00e0i ch\u00ednh x\u00e1c bu\u1ed9c ph\u1ea3i ch\u1ea5p nh\u1eadn h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ed9 gi\u00f2n. Trong khi \u0111\u00f3, nh\u1eefng b\u1ed9 ph\u1eadn h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u1ed1i m\u1eb7t v\u1edbi th\u00e1ch th\u1ee9c v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp v\u00e0 m\u00e0i m\u00f2n. M\u1ed9t v\u1eadt li\u1ec7u duy tr\u00ec \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng c\u1ee7a kim c\u01b0\u01a1ng trong khi \u0111\u1ea1t kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t g\u00e3y c\u1ee7a h\u1ee3p kim kim lo\u1ea1i c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 ti\u1ec1m n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u1eefng \u1ee9ng d\u1ee5ng tr\u00ean.<\/p>\n

An Khang – Minh Minh <\/strong>t\u1ed5ng h\u1ee3p<\/em><\/p>\n<\/article>\n

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https:\/\/vnexpress.net\/kim-cuong-nhan-tao-ben-gap-5-lan-kim-cuong-tu-nhien-5108676.html<\/p>\n","protected":false},"excerpt":{"rendered":"

Kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o b\u1ec1n g\u1ea5p 5 l\u1ea7n kim c\u01b0\u01a1ng t\u1ef1 nhi\u00ean C\u00e1c nh\u00e0 khoa h\u1ecdc Trung Qu\u1ed1c s\u1eed d\u1ee5ng m\u1ea1ng l\u01b0\u1edbi \u1ed1ng nano carbon \u0111\u1ec3 t\u1ea1o ra c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 b\u00ean trong gi\u00fap v\u1eadt li\u1ec7u b\u1ec1n h\u01a1n g\u1ea5p 5 l\u1ea7n kim c\u01b0\u01a1ng t\u1ef1 nhi\u00ean. Theo SCMP,nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1ebfn t\u1eeb Vi\u1ec7n H\u00e0n l\u00e2m<\/p>\n","protected":false},"author":1,"featured_media":15875,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-15874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghe"],"_links":{"self":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/15874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15874"}],"version-history":[{"count":0,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/posts\/15874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=\/wp\/v2\/media\/15875"}],"wp:attachment":[{"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/useful.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}