{"id":7773,"date":"2017-10-05T00:33:57","date_gmt":"2017-10-04T17:33:57","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7773"},"modified":"2017-12-04T00:34:34","modified_gmt":"2017-12-03T17:34:34","slug":"da-co-the-san-xuat-nhom-sieu-ben-bang-in-3d","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/da-co-the-san-xuat-nhom-sieu-ben-bang-in-3d\/","title":{"rendered":"\u0110\u00e3 c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t nh\u00f4m si\u00eau b\u1ec1n b\u1eb1ng… in 3D"},"content":{"rendered":"

\"alt\"<\/p>\n

M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm ra ph\u01b0\u01a1ng ph\u00e1p in 3D c\u00e1c h\u1ee3p kim nh\u00f4m si\u00eau nh\u1eb9 v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n cao. Lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi n\u00e0y h\u1ee9a h\u1eb9n s\u1ebd t\u1ea1o ra b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 cho ng\u00e0nh luy\u1ec7n kim tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

L\u00e0m vi\u1ec7c v\u1edbi kim lo\u1ea1i<\/em><\/strong><\/p>\n

H\u1ee3p kim nh\u00f4m l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u nh\u1eb9 v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0ng l\u1ea1i kh\u00f4ng th\u1ec3 h\u00e0n. Nhi\u1ec7t \u0111\u1ed9 cao sinh ra trong qua\u0301 tri\u0300nh ha\u0300n s\u1ebd la\u0300m suy y\u00ea\u0301u h\u1ee3p kim n\u00e0y, khi\u1ebfn cho m\u00f4\u0301i ha\u0300n kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ec1n<\/p>\n

Nh\u01b0ng c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u1edf Ph\u00f2ng th\u00ed nghi\u1ec7m HRL, California \u0111\u00e3 t\u00ecm ra \u0111\u01b0\u1ee3c m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ho\u00e0n to\u00e0n m\u1edbi, cho ph\u00e9p h\u1ecd in 3D h\u1ee3p kim nh\u00f4m c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 h\u00e0n c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 h\u00e0n \u0111\u01b0\u1ee3c tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n

Ch\u00fang ta \u0111ang s\u1eed d\u1ee5ng l\u00fd thuy\u1ebft h\u1ea1t nh\u00e2n 70 n\u0103m tu\u1ed5i \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c 100 n\u0103m tu\u1ed5i trong th\u1ebf k\u1ec9 21 \u0111\u1ea7y m\u00e1y m\u00f3c\u201d, \u00f4ng Hunter Martin – nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc California, cho bi\u1ebft.<\/p>\n

Martin v\u00e0 c\u1ed9ng s\u1ef1 c\u1ee7a m\u00ecnh l\u00e0 Santa Barbara thu\u1ed9c ph\u00f2ng th\u00ed nghi\u1ec7m V\u1eadt li\u1ec7u v\u00e0 C\u1ea3m bi\u1ebfn HRL \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u00e0 h\u1ecd g\u1ecdi l\u00e0 \u201cch\u1ee9c n\u0103ng h\u00f3a nano\u201d (nanofunctionalization). Theo \u0111\u00f3, b\u1ed9t ch\u1ee9c n\u0103ng h\u00f3a nano \u0111\u01b0\u1ee3c cho v\u00e0o m\u00e1y in 3D, sau \u0111\u00f3 chuy\u1ec3n qua c\u00e1c l\u1edbp m\u1ecfng \u0111\u01b0\u1ee3c nung n\u00f3ng b\u1edfi laser \u0111\u1ec3 tr\u1edf n\u00ean r\u1eafn l\u1ea1i v\u00e0 cu\u1ed1i c\u00f9ng cho ra \u0111\u1eddi m\u1ed9t v\u1eadt th\u1ec3 ba chi\u1ec1u.<\/p>\n

Nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng h\u1ec1 b\u1ecb n\u1ee9t v\u00e0 c\u00f3 th\u1ec3 duy tr\u00ec to\u00e0n b\u1ed9 \u0111\u1ed9 b\u1ec1n trong su\u1ed1t qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y v\u00e0 r\u1eafn l\u1ea1i. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd nh\u1eefng h\u1ea1t nano trong c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a h\u1ee3p kim m\u1edbi.<\/p>\n

M\u1ee5c ti\u00eau \u0111\u1ea7u ti\u00ean c\u1ee7a ch\u00fang t\u00f4i l\u00e0 t\u00ecm ra c\u00e1ch \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n hi\u1ec7n t\u01b0\u1ee3ng kim lo\u1ea1i b\u1ecb n\u1ee9t trong qu\u00e1 tr\u00ecnh nung n\u00f3ng. Nh\u1eefng c\u1ea5u tr\u00fac si\u00eau nh\u1ecf v\u00e0 ch\u00fang t\u00f4i \u0111ang t\u00ecm c\u00e1ch \u0111\u1ec3 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh n\u00f3ng l\u00ean c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u, nh\u00e0 nghi\u00ean c\u1ee9u Martin n\u00f3i.<\/p>\n

C\u1ea5u tr\u00fac b\u1ec1n v\u00e0 ch\u1eafc<\/em><\/strong><\/p>\n

C\u00e1c h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u01b0 nh\u00f4m – bao g\u1ed3m c\u00e1c lo\u1ea1i nh\u01b0 Al7075 v\u00e0 Al6061 – hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y bay v\u00e0 ph\u1ee5 t\u00f9ng \u00f4 t\u00f4. Tuy nhi\u00ean, hi\u1ec7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ee3p kim ph\u1ea7n l\u1edbn \u0111\u1ec1u t\u1ed1n k\u00e9m. H\u01a1n n\u1eefa, v\u1edbi nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng, v\u1eadt li\u1ec7u c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n

Hi\u1ec7n t\u1ea1i, v\u1edbi k\u1ef9 thu\u1eadt ch\u1ee9c n\u0103ng h\u00f3a nano m\u1edbi c\u1ee7a HRL, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 in 3D nh\u1eefng h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao d\u01b0\u1edbi m\u1ecdi h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch c\u1ee1 v\u1edbi quy m\u00f4 l\u1edbn. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nh\u1eefng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao nhanh h\u01a1n, r\u1ebb h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n

H\u01a1n n\u1eefa, qu\u00e1 tr\u00ecnh in 3D c\u0169ng gi\u1ed1ng nh\u01b0 k\u1ef9 thu\u1eadt h\u00e0n n\u00ean ph\u01b0\u01a1ng ph\u00e1p m\u1edbi s\u1ebd gi\u00fap h\u00e0n c\u00e1c h\u1ee3p kim kh\u00f4ng th\u1ec3 h\u00e0n \u0111\u01b0\u1ee3c tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n

\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh nh\u1eefng ph\u00e2n t\u1eed kim lo\u1ea1i n\u00e0o c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t c\u1ea7n thi\u1ebft cho nghi\u00ean c\u1ee9u, nh\u00f3m HRL \u0111\u00e3 nh\u1edd t\u1edbi s\u1ef1 gi\u00fap \u0111\u1ee1 c\u1ee7a ph\u1ea7n m\u1ec1m khoa h\u1ecdc th\u00f4ng tin (Citrine Informatics). M\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m l\u00e0 nh\u1eb1m ti\u1ebfn h\u00e0nh m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 ch\u1ecdn l\u1ecdc, t\u1eeb \u0111\u00f3 t\u00ecm ra nguy\u00ean li\u1ec7u c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng y\u00eau c\u1ea7u c\u1ee7a ch\u00fang ta c\u1ea7n, nh\u00e0 nghi\u00ean c\u1ee9u Brennan Yahata c\u1ee7a HRL gi\u1ea3i th\u00edch.<\/p>\n

Ch\u1ec9 c\u1ea7n cho m\u00e1y bi\u1ebft ch\u00fang ta \u0111ang c\u1ea7n c\u00e1i g\u00ec, b\u1ed9 ph\u00e2n t\u00edch d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 c\u1ee7a ch\u00fang s\u1ebd thu h\u1eb9p ph\u1ea1m vi c\u1ee7a c\u00e1c t\u00e0i li\u1ec7u c\u00f3 s\u1eb5n – ch\u1ec9 m\u1ed9t s\u1ed1 \u00edt \u0111\u01b0\u1ee3c ch\u1ecdn t\u1eeb h\u00e0ng tr\u0103m ng\u00e0n d\u1eef li\u1ec7u. Ch\u00fang ta ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u201cm\u00f2 kim d\u01b0\u1edbi \u0111\u00e1y b\u1ec3, \u00f4ng cho bi\u1ebft th\u00eam.<\/p>\n

(khampha)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 t\u00ecm ra ph\u01b0\u01a1ng ph\u00e1p in 3D c\u00e1c h\u1ee3p kim nh\u00f4m si\u00eau nh\u1eb9 v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n cao. Lo\u1ea1i v\u1eadt li\u1ec7u m\u1edbi n\u00e0y h\u1ee9a h\u1eb9n s\u1ebd t\u1ea1o ra b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 cho ng\u00e0nh luy\u1ec7n kim tr\u00ean th\u1ebf gi\u1edbi. L\u00e0m vi\u1ec7c v\u1edbi kim lo\u1ea1i H\u1ee3p kim nh\u00f4m l\u00e0 m\u1ed9t v\u1eadt […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7773","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7773","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7773"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7773\/revisions"}],"predecessor-version":[{"id":7774,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7773\/revisions\/7774"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7773"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7773"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7773"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}