{"id":1820,"date":"2019-05-22T02:48:07","date_gmt":"2019-05-22T02:48:07","guid":{"rendered":"http:\/\/www.meetyoucarbide.com\/single-post-texture-in-metallic-materials-and-its-effect-on-properties\/"},"modified":"2020-05-04T13:12:03","modified_gmt":"2020-05-04T13:12:03","slug":"texture-in-metallic-materials-and-its-effect-on-properties","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/ket-cau-trong-kim-loai-vat-lieu-va-hieu-ung-cua-no-tren-cac-thuoc-tinh\/","title":{"rendered":"K\u1ebft c\u1ea5u trong v\u1eadt li\u1ec7u kim lo\u1ea1i v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a n\u00f3 \u0111\u1ebfn t\u00ednh ch\u1ea5t"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<div>\n<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<div>Th\u00f4ng th\u01b0\u1eddng, v\u1eadt li\u1ec7u kim lo\u1ea1i l\u00e0 m\u1ed9t \u0111a tinh th\u1ec3 bao g\u1ed3m m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c h\u1ea1t tinh th\u1ec3. Khi h\u01b0\u1edbng h\u1ea1t c\u1ee7a \u0111a tinh th\u1ec3 t\u1eadp trung xung quanh m\u1ed9t m\u1eb7t ph\u1eb3ng tham chi\u1ebfu (ho\u1eb7c h\u01b0\u1edbng) nh\u1ea5t \u0111\u1ecbnh c\u1ee7a v\u1eadt li\u1ec7u v\u0129 m\u00f4, n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u01b0\u1edbng \u01b0u ti\u00ean v\u00e0 k\u1ebft c\u1ea5u l\u00e0 h\u01b0\u1edbng \u01b0u ti\u00ean c\u1ee7a \u0111a tinh th\u1ec3. Theo ngh\u0129a r\u1ed9ng, hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ecbnh h\u01b0\u1edbng h\u1ea1t l\u1ec7ch kh\u1ecfi ph\u00e2n b\u1ed1 ng\u1eabu nhi\u00ean trong \u0111a tinh th\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u1ebft c\u1ea5u.<\/div>\n<div>Trong v\u1eadt li\u1ec7u kim lo\u1ea1i, s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng k\u1ebft c\u1ea5u l\u00e0 ph\u1ed5 qu\u00e1t. Tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i, tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb, tr\u01b0\u1eddng bi\u1ebfn d\u1ea1ng v\u00e0 d\u1ecb h\u01b0\u1edbng b\u00ean trong tinh th\u1ec3 c\u00f3 th\u1ec3 g\u00e2y ra k\u1ebft c\u1ea5u. V\u00ed d\u1ee5, h\u01b0\u1edbng \u01b0a th\u00edch c\u1ee7a h\u1ea1t trong qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng l\u00e0 b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t \/ tr\u01b0\u1ee3t tinh th\u1ec3 v\u00e0 hi\u1ec7u \u1ee9ng m\u00f4 men trong qu\u00e1 tr\u00ecnh k\u00e9o d\u00e0i. k\u1ebft qu\u1ea3 c\u1ee7a. V\u1eadt li\u1ec7u c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng c\u00f3 k\u1ebft c\u1ea5u \u0111\u00fac, k\u1ebft c\u1ea5u bi\u1ebfn d\u1ea1ng, k\u1ebft c\u1ea5u k\u1ebft tinh l\u1ea1i v\u00e0 k\u1ebft c\u1ea5u thay \u0111\u1ed5i pha, trong \u0111\u00f3 k\u1ebft c\u1ea5u bi\u1ebfn d\u1ea1ng v\u00e0 k\u1ebft c\u1ea5u k\u1ebft tinh \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u th\u00eam.<\/div>\n<div>\u0110\u1ea1i di\u1ec7n k\u1ebft c\u1ea5u<\/div>\n<h3>(1) M\u00f4 t\u1ea3 h\u01b0\u1edbng tinh th\u1ec3 v\u00e0 c\u00e1c lo\u1ea1i k\u1ebft c\u1ea5u ph\u1ed5 bi\u1ebfn<\/h3>\n<div>C\u00e1i g\u1ecdi l\u00e0 h\u01b0\u1edbng tinh th\u1ec3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ba tr\u1ee5c tinh th\u1ec3 c\u1ee7a tinh th\u1ec3 (ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1ee5c [100], [010], [001]) trong m\u1ed9t h\u1ec7 t\u1ecda \u0111\u1ed9 tham chi\u1ebfu \u0111\u00e3 cho (nh\u01b0 h\u01b0\u1edbng RD, TD b\u00ean v\u00e0 ND b\u00ecnh th\u01b0\u1eddng trong t\u1ea5m c\u00e1n) \u0110\u1ecbnh h\u01b0\u1edbng t\u01b0\u01a1ng \u0111\u1ed1i trong. Khi th\u1ef1c s\u1ef1 m\u00f4 t\u1ea3 h\u01b0\u1edbng tinh th\u1ec3, c\u00e1c khung tham chi\u1ebfu kh\u00e1c nhau \u0111\u01b0\u1ee3c \u0111\u1eb7t do c\u00e1c \u0111i\u1ec1u ki\u1ec7n bi\u1ebfn d\u1ea1ng kh\u00e1c nhau. V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi bi\u1ebfn d\u1ea1ng l\u0103n ph\u1ed5 bi\u1ebfn nh\u1ea5t, ba tr\u1ee5c c\u1ee7a khung tham chi\u1ebfu th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t theo h\u01b0\u1edbng c\u00e1n (RD) v\u00e0 b\u1ec1 m\u1eb7t l\u0103n. H\u01b0\u1edbng (ND) v\u00e0 h\u01b0\u1edbng ngang c\u1ee7a t\u1ea5m c\u00e1n, ngh\u0129a l\u00e0 h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng c\u00e1n (TD), gi\u1ea3 s\u1eed h\u01b0\u1edbng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb l\u00e0 (110) [1-12], bi\u1ec3u th\u1ecb m\u1eb7t ph\u1eb3ng (110) c\u1ee7a \u00f4 \u0111\u01a1n v\u1ecb t\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y. Song song v\u1edbi b\u1ec1 m\u1eb7t c\u00e1n, h\u01b0\u1edbng [1-12] song song v\u1edbi h\u01b0\u1edbng l\u0103n.<\/div>\n<div>Lo\u1ea1i k\u1ebft c\u1ea5u ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ea3n ch\u1ea5t c\u1ee7a kim lo\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd, v.v ... Trong s\u1ed1 \u0111\u00f3, c\u00f3 k\u1ebft c\u1ea5u c\u00e1n, v\u1ebd k\u1ebft c\u1ea5u v\u00e0 nh\u1eefng th\u1ee9 t\u01b0\u01a1ng t\u1ef1. K\u1ebft c\u1ea5u c\u00e1n l\u00e0 k\u1ebft c\u1ea5u x\u1ea3y ra trong qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng c\u00e1n. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng \u1edf ch\u1ed7 m\u1ed9t m\u1eb7t ph\u1eb3ng tinh th\u1ec3 nh\u1ea5t \u0111\u1ecbnh {hkl} c\u1ee7a m\u1ed7i h\u1ea1t song song v\u1edbi b\u1ec1 m\u1eb7t l\u0103n v\u00e0 h\u01b0\u1edbng  song song v\u1edbi h\u01b0\u1edbng l\u0103n. K\u1ebft c\u1ea5u c\u00e1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb l\u00e0 {hkl}  . S\u1ef1 k\u00e9o d\u00e0i \u0111\u01a1n h\u01b0\u1edbng v\u00e0 bi\u1ebfn d\u1ea1ng v\u1ebd l\u00e0m cho m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh c\u1ee7a c\u00e1c h\u1ea1t \u0111a tinh th\u1ec3 song song v\u1edbi h\u01b0\u1edbng k\u00e9o d\u00e0i ho\u1eb7c v\u1ebd. Do \u0111\u00f3, k\u1ebft c\u1ea5u \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u1ebft c\u1ea5u l\u1ee5a, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u1ebft c\u1ea5u s\u1ee3i, song song v\u1edbi vi\u1ec7c k\u00e9o d\u00e0i. Ho\u1eb7c h\u01b0\u1edbng tinh th\u1ec3  c\u1ee7a h\u01b0\u1edbng v\u1ebd.<\/div>\n<h3>(2) h\u00ecnh c\u1ef1c<\/h3>\n<div>H\u00ecnh c\u1ef1c l\u00e0 m\u1ed9t m\u1eabu ph\u00e2n ph\u1ed1i h\u01b0\u1edbng \u0111\u1ea1i di\u1ec7n cho m\u1eb7t ph\u1eb3ng tinh th\u1ec3 \u0111\u00e3 ch\u1ecdn {hkl} c\u1ee7a m\u1ed7i h\u1ea1t trong v\u1eadt li\u1ec7u c\u1ea7n th\u1eed tr\u00ean b\u1ea3n \u0111\u1ed3 chi\u1ebfu c\u1ef1c c\u00f3 ch\u1ee9a h\u01b0\u1edbng c\u1ee7a h\u1ec7 t\u1ecda \u0111\u1ed9 m\u1eabu. H\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u00ecnh c\u1ef1c {hkl}. H\u00ecnh 1 l\u00e0 h\u00ecnh c\u1ef1c {111} c\u1ee7a h\u1ee3p kim Cu-30%Zn sau khi c\u00e1n 96%. C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ebft t\u1eeb ph\u00e2n t\u00edch \u0111\u1ecbnh h\u01b0\u1edbng r\u1eb1ng th\u00e0nh ph\u1ea7n k\u1ebft c\u1ea5u trong v\u1eadt li\u1ec7u ch\u1ee7 y\u1ebfu l\u00e0 k\u1ebft c\u1ea5u {110} &lt;1-12&gt;. C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 k\u1ebft c\u1ea5u \u0111\u1ed3ng thau.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_37f6d86f618e4657b5b367da77aae959mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh.1 {111} h\u00ecnh c\u1ef1c c\u1ee7a h\u1ee3p kim Cu-30%Zn sau khi c\u00e1n 96%<\/div>\n<h3>(3) s\u01a1 \u0111\u1ed3 c\u1ef1c ngh\u1ecbch<\/h3>\n<div>Tr\u00e1i ng\u01b0\u1ee3c v\u1edbi h\u00ecnh c\u1ef1c, h\u00ecnh c\u1ef1c ng\u01b0\u1ee3c l\u00e0 m\u1ed9t bi\u1ec3u \u0111\u1ed3 m\u00f4 t\u1ea3 s\u1ef1 ph\u00e2n b\u1ed1 kh\u00f4ng gian c\u1ee7a m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m ngo\u1ea1i h\u00ecnh nh\u1ea5t \u0111\u1ecbnh c\u1ee7a v\u1eadt li\u1ec7u \u0111a tinh th\u1ec3 song song v\u1edbi v\u1eadt li\u1ec7u trong h\u1ec7 t\u1ecda \u0111\u1ed9 tinh th\u1ec3. Ba tr\u1ee5c c\u1ee7a h\u1ec7 t\u1ecda \u0111\u1ed9 tham chi\u1ebfu th\u01b0\u1eddng l\u1ea5y ba tr\u1ee5c tinh th\u1ec3 c\u1ee7a tinh th\u1ec3 ho\u1eb7c h\u01b0\u1edbng tinh th\u1ec3 ch\u1ec9 s\u1ed1 th\u1ea5p. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng kh\u1ed1i, v\u00ec c\u00f3 24 \u0111\u1ed1i x\u1ee9ng, ch\u1ec9 m\u1ed9t ph\u1ea7n c\u1ee7a [001] - [101] - [111] \u0111\u01b0\u1ee3c ch\u1ecdn. Di\u1ec5n t\u1ea3. H\u00ecnh c\u1ef1c ng\u01b0\u1ee3c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 k\u1ebft c\u1ea5u l\u1ee5a. H\u00ecnh 2 cho th\u1ea5y h\u00ecnh c\u1ef1c ng\u01b0\u1ee3c c\u1ee7a th\u00e9p cacbon th\u1ea5p c\u00e1n n\u00f3ng song song v\u1edbi h\u01b0\u1edbng ND th\u00f4ng th\u01b0\u1eddng. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng c\u00f3 &lt;111&gt; v\u00e0 &lt;100&gt; d\u1ec7t l\u1ee5a trong v\u1eadt li\u1ec7u. K\u1ebft c\u1ea5u.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_f2d8ac1e1040459ba800157417ab7029mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh 2 S\u01a1 \u0111\u1ed3 c\u1ef1c ng\u01b0\u1ee3c c\u1ee7a th\u00e9p nh\u1eb9 c\u00e1n n\u00f3ng<\/div>\n<h3>(4) Ch\u1ee9c n\u0103ng ph\u00e2n ph\u1ed1i \u0111\u1ecbnh h\u01b0\u1edbng<\/h3>\n<div>C\u00e1c h\u00ecnh c\u1ef1c c\u1ef1c v\u00e0 ngh\u1ecbch \u0111\u1ea3o s\u1eed d\u1ee5ng \u0111\u1ed3 h\u1ecda hai chi\u1ec1u \u0111\u1ec3 m\u00f4 t\u1ea3 ph\u00e2n b\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng c\u1ee7a kh\u00f4ng gian ba chi\u1ec1u v\u00e0 t\u1ea5t c\u1ea3 ch\u00fang \u0111\u1ec1u c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf. M\u1eadt \u0111\u1ed9 ph\u00e2n ph\u1ed1i f (g) c\u1ee7a h\u01b0\u1edbng kh\u00f4ng gian g (1,, \u03c62) c\u00f3 th\u1ec3 bi\u1ec3u th\u1ecb ph\u00e2n b\u1ed1 h\u01b0\u1edbng c\u1ee7a to\u00e0n b\u1ed9 kh\u00f4ng gian, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u00e0m ph\u00e2n ph\u1ed1i h\u01b0\u1edbng kh\u00f4ng gian (ODF). ODF l\u00e0 h\u00ecnh ba chi\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb ph\u00e2n b\u1ed1 m\u1eadt \u0111\u1ed9 c\u1ef1c c\u1ee7a h\u00ecnh c\u1ef1c. V\u00ec vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ba chi\u1ec1u l\u00e0 b\u1ea5t ti\u1ec7n, n\u00ean n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1edfi \u03c62. H\u00ecnh 3 cho th\u1ea5y ODF c\u1ee7a nh\u00f4m nguy\u00ean ch\u1ea5t c\u00f4ng nghi\u1ec7p sau khi c\u00e1n ngu\u1ed9i b\u1eb1ng bi\u1ebfn d\u1ea1ng 95%.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_b9e7784b4f0d47b7b65fc627728686bamv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh 3 S\u01a1 \u0111\u1ed3 ODF c\u1ee7a nh\u00f4m nguy\u00ean ch\u1ea5t c\u00f4ng nghi\u1ec7p sau khi c\u00e1n ngu\u1ed9i v\u1edbi bi\u1ebfn d\u1ea1ng 95%<\/div>\n<div>K\u1ebft c\u1ea5u t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn hi\u1ec7u su\u1ea5t<\/div>\n<div>M\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m cho th\u1ea5y c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u l\u00e0 20%-50% b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi k\u1ebft c\u1ea5u v\u00e0 k\u1ebft c\u1ea5u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01a1 h\u1ecdc c\u1ee7a m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i, t\u1ef7 l\u1ec7 Poisson, c\u01b0\u1eddng \u0111\u1ed9, \u0111\u1ed9 d\u1ebbo, \u0111\u1ed9 d\u1ebbo, t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh, \u0111\u1ed9 d\u1eabn v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh. Hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a k\u1ebft c\u1ea5u \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u.<\/div>\n<div>Nghi\u00ean c\u1ee9u nhi\u1ec1u nh\u1ea5t l\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a k\u1ebft c\u1ea5u \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u0129nh c\u1ee7a v\u1eadt li\u1ec7u. H\u00ecnh 4 cho th\u1ea5y m\u1ed9t h\u1ee3p kim magi\u00ea th\u01b0\u01a1ng m\u1ea1i t\u1ea1o ra k\u1ebft c\u1ea5u c\u01a1 s\u1edf m\u1ea1nh d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n khu\u1ea5y ma s\u00e1t, do \u0111\u00f3 c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c k\u00e9o theo c\u00e1c h\u01b0\u1edbng kh\u00e1c nhau. Hi\u1ec7u su\u1ea5t k\u00e9o d\u00e0i cho th\u1ea5y m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t. V\u00ed d\u1ee5, trong tr\u01b0\u1eddng h\u1ee3p m\u1eabu \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng quy tr\u00ecnh h\u00e0n ma s\u00e1t (FSP), \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u theo h\u01b0\u1edbng chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1eabu, ngh\u0129a l\u00e0 h\u01b0\u1edbng ngang (TD), cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi h\u01b0\u1edbng x\u1eed l\u00fd (PD), tr\u01b0ng b\u00e0y b\u1ea5t \u0111\u1eb3ng h\u01b0\u1edbng \u0111\u00e1ng ch\u00fa \u00fd.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_6ce6df20d1ef4716b2b3ef6a10fb9849mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh.4 T\u00ednh ch\u1ea5t k\u00e9o c\u1ee7a c\u00e1c h\u01b0\u1edbng m\u1eabu kh\u00e1c nhau sau h\u1ee3p kim magi\u00ea AZ31 \u1edf tr\u1ea1ng th\u00e1i l\u0103n ban \u0111\u1ea7u v\u00e0 h\u00e0n khu\u1ea5y ma s\u00e1t<\/div>\n<div>K\u1ebft c\u1ea5u c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh ch\u1ea5t \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u. H\u00ecnh 5 cho th\u1ea5y \u1ea3nh h\u01b0\u1edfng c\u1ee7a k\u1ebft c\u1ea5u l\u00ean m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a m\u00e0ng v\u00e0ng. Ba h\u00ecnh trong h\u00ecnh cho th\u1ea5y v\u00e0ng \u0111\u01a1n tinh th\u1ec3 trong h\u1ec7 t\u1ecda \u0111\u1ed9 tinh th\u1ec3. K\u1ebft c\u1ea5u c\u1ee7a m\u00e0ng v\u00e0ng kh\u00f4ng c\u00f3 k\u1ebft c\u1ea5u trong h\u1ec7 t\u1ecda \u0111\u1ed9 m\u1eabu v\u00e0 tham s\u1ed1 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a m\u00e0ng v\u00e0ng ch\u1ee9a k\u1ebft c\u1ea5u t\u01a1 trong h\u1ec7 t\u1ecda \u0111\u1ed9 m\u1eabu, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng k\u1ebft c\u1ea5u t\u1ea1o ra m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u d\u1ecb h\u01b0\u1edbng d\u1ecdc C\u00e1c m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u theo c\u00e1c h\u01b0\u1edbng kh\u00e1c nhau cho th\u1ea5y m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3. M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u theo h\u01b0\u1edbng S3 l\u00e0 118 GPa, cao h\u01a1n m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i 89,7 GPa theo h\u01b0\u1edbng S1 v\u00e0 S2, v\u00e0 gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u c\u1ee7a m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i n\u1eb1m d\u1ecdc theo \u0111\u1ed9 l\u1ec7ch S3. H\u01b0\u1edbng kho\u1ea3ng 40 \u0111\u1ed9 v\u00e0 m\u00f4-\u0111un ch\u1ec9 60 GPa.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_51d089b980c94efca8c1d1c28ac2b755mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh 5 \u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u1ebft c\u1ea5u \u0111\u1ebfn m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a m\u00e0ng v\u00e0ng<\/div>\n<div>C\u00e1c h\u00e0nh vi \u0103n m\u00f2n c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c k\u1ebft c\u1ea5u. H\u00ecnh 6 cho th\u1ea5y \u0111\u1ed3 th\u1ecb Nyquist c\u1ee7a ph\u1ed5 tr\u1edf kh\u00e1ng c\u1ee7a titan tinh khi\u1ebft th\u01b0\u01a1ng m\u1ea1i sau khi tr\u1ea3i qua c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau c\u1ee7a bi\u1ebfn d\u1ea1ng g\u00f3c k\u00eanh b\u1eb1ng nhau. S\u1ed1 l\u1ea7n bi\u1ebfn d\u1ea1ng l\u00e0 kh\u00e1c nhau, v\u00e0 c\u1ea5u tr\u00fac vi m\u00f4 v\u00e0 k\u1ebft c\u1ea5u c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng kh\u00e1c nhau, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n khi kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng (0 pass) \u1edf tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_00f2879dbe6543999008eb95892ce0e0mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh.6 \u1ea2nh h\u01b0\u1edfng c\u1ee7a \u00e9p \u0111\u00f9n g\u00f3c k\u00eanh b\u1eb1ng nhau tr\u00ean s\u01a1 \u0111\u1ed3 Nyquist c\u1ee7a ph\u1ed5 tr\u1edf kh\u00e1ng titan tinh khi\u1ebft th\u01b0\u01a1ng m\u1ea1i<\/div>\n<div>H\u00e0nh vi m\u1ecfi c\u1ee7a v\u1eadt li\u1ec7u theo t\u1ea3i chu k\u1ef3 \u0111\u1ed9ng c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi k\u1ebft c\u1ea5u. H\u00ecnh 7 cho th\u1ea5y h\u00e0nh vi m\u1ecfi chu k\u1ef3 th\u1ea5p c\u1ee7a m\u1ed9t h\u01b0\u1edbng kh\u00e1c nhau c\u1ee7a h\u1ee3p kim magi\u00ea sau bi\u1ebfn d\u1ea1ng \u0111\u00f9n s\u1ebd kh\u00e1c nhau. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 c\u00f9ng bi\u00ean \u0111\u1ed9 bi\u1ebfn d\u1ea1ng, tu\u1ed5i th\u1ecd m\u1ecfi c\u1ee7a v\u1eadt li\u1ec7u theo h\u01b0\u1edbng RD th\u01b0\u1eddng t\u1ed1t h\u01a1n so v\u1edbi tu\u1ed5i th\u1ecd m\u1ecfi theo h\u01b0\u1edbng ND.<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/05\/141d2f_2facb43c608c48f989255ff4d22c1067mv2-1.png\" alt=\"\" title=\"\"><\/p>\n<div>H\u00ecnh 7 \u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u1ebft c\u1ea5u \u0111\u1ebfn h\u00e0nh vi m\u1ecfi chu k\u1ef3 th\u1ea5p c\u1ee7a v\u1eadt li\u1ec7u<\/div>\n<h2>T\u00f3m l\u01b0\u1ee3c<\/h2>\n<div>T\u00f3m l\u1ea1i, s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a k\u1ebft c\u1ea5u l\u00e0 ph\u1ed5 qu\u00e1t trong v\u1eadt li\u1ec7u kim lo\u1ea1i. B\u1ea3n ch\u1ea5t c\u1ee7a k\u1ebft c\u1ea5u l\u00e0 nhi\u1ec1u h\u1ea1t kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i theo m\u1ed9t h\u01b0\u1edbng ng\u1eabu nhi\u00ean, \u0111i\u1ec1u n\u00e0y t\u1ef1 nhi\u00ean d\u1eabn \u0111\u1ebfn b\u1ea5t \u0111\u1eb3ng h\u01b0\u1edbng trong c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u. \u1ea2nh h\u01b0\u1edfng c\u1ee7a k\u1ebft c\u1ea5u \u0111\u1ebfn t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u \u0111\u1ec3 s\u1eed d\u1ee5ng t\u1ed1t h\u01a1n k\u1ebft c\u1ea5u trong v\u1eadt li\u1ec7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c thu\u1ed9c t\u00ednh li\u00ean quan c\u1ee7a v\u1eadt li\u1ec7u.<\/div>\n<\/div>\n<\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction Usually, the metal material is a polycrystal composed of a large number of crystal grains. When the grain orientation of a polycrystal is concentrated around a certain reference plane (or direction) of a macroscopic material, it is called a preferred orientation, and the texture is Preferred orientation of polycrystals. In a broad sense, the&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-1820","post","type-post","status-publish","format-standard","hentry","category-materials-weekly"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/1820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=1820"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/1820\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=1820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=1820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=1820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}