{"id":5744,"date":"2017-04-18T18:09:15","date_gmt":"2017-04-18T11:09:15","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=5744"},"modified":"2017-10-03T11:43:14","modified_gmt":"2017-10-03T04:43:14","slug":"phuong-phap-in-3d-moi-co-the-tao-ra-cac-vat-the-bien-hinh","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/phuong-phap-in-3d-moi-co-the-tao-ra-cac-vat-the-bien-hinh\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p in 3D m\u1edbi c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1eadt th\u1ec3 bi\u1ebfn h\u00ecnh"},"content":{"rendered":"

M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u Vi\u1ec7n C\u00f4ng ngh\u1ec7 Georgia, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft k\u1ebf Singapo (SUTD) v\u00e0 Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Giao th\u00f4ng T\u00e2y An Trung Qu\u1ed1c \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng ph\u01b0\u01a1ng ph\u00e1p in 3D.<\/strong><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i th\u00e0nh nhi\u1ec1u h\u00ecnh d\u1ea1ng kh\u00e1c nhau khi ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec7t b\u1eb1ng c\u00e1ch in c\u00e1c l\u1edbp polymer nh\u1edb h\u00ecnh (shape memory polymers) v\u1edbi m\u1ed7i l\u1edbp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1ebd ph\u1ea3n \u1ee9ng kh\u00e1c nhau khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t. C\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3 b\u1edfi V\u0103n ph\u00f2ng Nghi\u00ean c\u1ee9u khoa h\u1ecdc kh\u00f4ng l\u1ef1c Hoa K\u1ef3, Qu\u1ef9 Khoa h\u1ecdc qu\u1ed1c gia Hoa K\u1ef3 v\u00e0 Qu\u1ef9 Nghi\u00ean c\u1ee9u Qu\u1ed1c gia Singapo th\u00f4ng qua Trung t\u00e2m SUTD DManD v\u00e0 m\u1edbi \u0111\u00e2y \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean T\u1ea1p ch\u00ed Science Advances.<\/strong><\/p>\n

\"\"<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn m\u1edbi n\u00e0y l\u00e0m \u0111\u01a1n gi\u1ea3n h\u00f3a \u0111\u00e1ng k\u1ec3 v\u00e0 ti\u1ebfn t\u1edbi ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng in 4D b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p tr\u1ef1c ti\u1ebfp c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd sau qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh c\u01a1 h\u1ecdc v\u00e0o qu\u00e1 tr\u00ecnh x\u1eed l\u00fd in 3D, Jerry Qi, GS Tr\u01b0\u1eddng K\u1ef9 thu\u1eadt C\u01a1 kh\u00ed George W. Woodruff t\u1ea1i Georgia Tech cho bi\u1ebft. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c m\u00f4 ph\u1ecfng m\u00e1y t\u00ednh c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf, in 3D c\u00e1c th\u00e0nh ph\u1ea7n v\u1edbi c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i l\u1edbn v\u00e0 sau \u0111\u00f3 bi\u1ebfn \u0111\u1ed5i tr\u1ef1c ti\u1ebfp v\u00e0 nhanh ch\u00f3ng th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng c\u1ef1c b\u1ec1n m\u1edbi b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nung nhi\u1ec7t \u0111\u01a1n gi\u1ea3n. \u0110\u1ed3ng th\u1eddi, ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o th\u1eddi gian in v\u00e0 ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u \u0111\u1ebfn 90%, \u0111\u1ed3ng th\u1eddi lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c qu\u00e1 tr\u00ecnh c\u01a1 h\u1ecdc t\u1ed1n th\u1eddi gian kh\u1ecfi ti\u1ebfn tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh ti\u1ec1m n\u0103ng c\u1ee7a qu\u00e1 tr\u00ecnh x\u1eed l\u00fd m\u1edbi n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ebf t\u1ea1o m\u1ed9t s\u1ed1 v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 u\u1ed1n v\u00e0 m\u1edf r\u1ed9ng nhanh ch\u00f3ng khi nh\u00fang trong n\u01b0\u1edbc n\u00f3ng – bao g\u1ed3m m\u1ed9t b\u00f4ng hoa c\u00f3 c\u00e1nh hoa u\u1ed1n cong nh\u01b0 m\u1ed9t b\u00f4ng c\u00fac th\u1eadt khi ph\u1ea3n \u1ee9ng v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 m\u1ed9t v\u1eadt h\u00ecnh d\u1ea1ng l\u01b0\u1edbi c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng ra g\u1ea7n g\u1ea5p t\u00e1m l\u1ea7n k\u00edch th\u01b0\u1edbc ban \u0111\u1ea7u c\u1ee7a n\u00f3.<\/p>\n

\u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, v\u1eadt li\u1ec7u composite do ch\u00fang t\u00f4i t\u1ea1o ra c\u00f3 th\u1ec3 cho ph\u00e9p m\u1ed9t v\u1eadt li\u1ec7u n\u00e0o \u0111\u00f3 tr\u1edf n\u00ean m\u1ec1m ra nh\u01b0ng n\u00f3 v\u1eabn c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh \u0111\u1ec3 ki\u1ec1m h\u00e3m \u1ee9ng su\u1ea5t b\u00ean trong, trong khi \u0111\u00f3 v\u1eadt li\u1ec7u kh\u00e1c th\u00ec c\u1ee9ng. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 d\u00f9ng m\u00f4 ph\u1ecfng m\u00e1y t\u00ednh \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n composite m\u00e0 trong \u0111\u00f3 c\u00e1c v\u1eadt li\u1ec7u c\u1ee9ng c\u00f3 h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 gi\u1ea3i ph\u00f3ng c\u00e1c \u1ee9ng su\u1ea5t b\u00ean trong v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh kh\u1ecfi v\u1eadt li\u1ec7u m\u1ec1m sau khi in 3D. Khi gia nhi\u1ec7t n\u00f3ng, v\u1eadt li\u1ec7u c\u1ee9ng s\u1ebd m\u1ec1m ra v\u00e0 cho ph\u00e9p v\u1eadt li\u1ec7u m\u1ec1m gi\u1ea3i ph\u00f3ng \u1ee9ng su\u1ea5t v\u00e0 t\u1ea1o ra s\u1ef1 thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng s\u1ea3n ph\u1ea9m r\u1ea5t \u1ea5n t\u01b0\u1ee3ng, Zhen Ding, nh\u00e0 nghi\u00ean c\u1ee9u b\u1eadc sau ti\u1ebfn s\u1ef9 t\u1ea1i \u0110\u1ea1i h\u1ecdc C\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft k\u1ebf Singapo.<\/p>\n

Theo nh\u00f3m nghi\u00ean c\u1ee9u cho bi\u1ebft, c\u00e1c v\u1eadt th\u1ec3 4D m\u1edbi c\u00f3 th\u1ec3 t\u1ea1o ra h\u00e0ng lo\u1ea1t c\u00e1c s\u1ea3n ph\u1ea9m m\u1edbi r\u1ea5t \u0111\u1eb7c bi\u1ec7t. Ch\u1eb3ng h\u1ea1n nh\u01b0 cho ph\u00e9p c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 x\u1ebfp ch\u1ed3ng l\u00ean nhau ho\u1eb7c cu\u1ed9n l\u1ea1i \u0111\u1ec3 \u0111\u01b0a xu\u1ed1ng t\u00e0u v\u00e0 sau \u0111\u00f3 m\u1edf r\u1ed9ng l\u1eadp t\u1ee9c khi c\u1ea7n s\u1eed d\u1ee5ng. Cu\u1ed1i c\u00f9ng, c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 cho ph\u00e9p c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c k\u00edch th\u00edch nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m ho\u1eb7c \u00e1nh s\u00e1ng theo nh\u1eefng c\u00e1ch m\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac kh\u00f4ng gian, c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf c\u00f3 th\u1ec3 tri\u1ec3n khai, robot, \u0111\u1ed3 ch\u01a1i v\u00e0 c\u00e1c lo\u1ea1i c\u1ea5u tr\u00fac kh\u00e1c.
\nB\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng c\u1ee7a nghi\u00ean c\u1ee9u n\u00e0y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p in 4D, cho ph\u00e9p t\u1ea1o ra nh\u1eefng s\u1ea3n ph\u1ea9m ph\u1ee9c t\u1ea1p c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao 3-D v\u00e0 r\u1ea5t c\u00f3 tri\u1ec3n v\u1ecdng t\u1ea1o ra v\u00f4 s\u1ed1 c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb y sinh h\u1ecdc, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed 3D v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng, v\u00e0 th\u1eadm ch\u00ed m\u1edf ra m\u1ed9t m\u00f4 h\u00ecnh m\u1edbi trong thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m, Martin L. Dunn, Gi\u00e1m \u0111\u1ed1c Trung t\u00e2m thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t k\u1ef9 thu\u1eadt s\u1ed1 SUTD nh\u1ea5n m\u1ea1nh.<\/p>\n

(Nasati)<\/em><\/p>\n

Ngu\u1ed3n T\u1ea1p ch\u00ed Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed9t nh\u00f3m c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u Vi\u1ec7n C\u00f4ng ngh\u1ec7 Georgia, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc C\u00f4ng ngh\u1ec7 v\u00e0 thi\u1ebft k\u1ebf Singapo (SUTD) v\u00e0 Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Giao th\u00f4ng T\u00e2y An Trung Qu\u1ed1c \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh c\u00f4ng ph\u01b0\u01a1ng ph\u00e1p in 3D. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1eadt th\u1ec3 c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i th\u00e0nh nhi\u1ec1u […]<\/p>\n","protected":false},"author":17,"featured_media":6676,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-5744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5744","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\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=5744"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5744\/revisions"}],"predecessor-version":[{"id":6677,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/5744\/revisions\/6677"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6676"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=5744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=5744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=5744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}