{"id":1410,"date":"2024-11-27T05:12:37","date_gmt":"2024-11-27T05:12:37","guid":{"rendered":"https:\/\/nbaem.com\/?p=1410"},"modified":"2025-09-18T04:27:23","modified_gmt":"2025-09-18T04:27:23","slug":"grain-boundary-diffusion","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/grain-boundary-diffusion\/","title":{"rendered":"L\u00e0 g\u00ec s\u1ef1 khu\u1ebfch t\u00e1n qua ranh gi\u1edbi h\u1ea1t"},"content":{"rendered":"<div class=\"post-single\">\n<div class=\"post-content\">\n<h2>C\u01a1 b\u1ea3n v\u1ec1 \u0110\u01b0\u1eddng Bi\u00ean H\u1ea1t Trong V\u1eadt Li\u1ec7u<\/h2>\n<p>Trong c\u00e1c v\u1eadt li\u1ec7u tinh th\u1ec3, c\u00e1c nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo m\u1ed9t m\u1eabu l\u1eb7p l\u1ea1i c\u00f3 tr\u1eadt t\u1ef1 cao g\u1ecdi l\u00e0 m\u1ea1ng tinh th\u1ec3. Tuy nhi\u00ean, c\u00e1c v\u1eadt li\u1ec7u n\u00e0y hi\u1ebfm khi l\u00e0 m\u1ed9t tinh th\u1ec3 \u0111\u01a1n. Thay v\u00e0o \u0111\u00f3, ch\u00fang g\u1ed3m nhi\u1ec1u tinh th\u1ec3 nh\u1ecf g\u1ecdi l\u00e0\u00a0<strong>h\u1ea1t<\/strong>. M\u1ed7i h\u1ea1t c\u00f3 h\u01b0\u1edbng tinh th\u1ec3 ri\u00eang c\u1ee7a n\u00f3, v\u00e0 c\u00e1c v\u00f9ng g\u1eb7p nhau c\u1ee7a c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0<strong>ranh gi\u1edbi h\u1ea1t<\/strong>.<\/p>\n<p>Ranh gi\u1edbi h\u1ea1t l\u00e0 c\u00e1c giao di\u1ec7n n\u01a1i h\u01b0\u1edbng tinh th\u1ec3 thay \u0111\u1ed5i. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c v\u00f9ng ri\u00eang bi\u1ec7t v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c nhau so v\u1edbi ch\u00ednh c\u00e1c h\u1ea1t. C\u00f3 nhi\u1ec1u lo\u1ea1i ranh gi\u1edbi h\u1ea1t, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo g\u00f3c gi\u1eefa c\u00e1c h\u1ea1t li\u1ec1n k\u1ec1:<\/p>\n<ul>\n<li><strong>Ranh gi\u1edbi h\u1ea1t g\u00f3c cao<\/strong>: Nh\u1eefng ranh gi\u1edbi n\u00e0y c\u00f3 s\u1ef1 l\u1ec7ch h\u01b0\u1edbng l\u1edbn (th\u01b0\u1eddng tr\u00ean 15 \u0111\u1ed9). Ch\u00fang \u00edt tr\u1eadt t\u1ef1 h\u01a1n v\u00e0 c\u00f3 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn quan tr\u1ecdng cho c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 khu\u1ebfch t\u00e1n.<\/li>\n<li><strong>Ranh gi\u1edbi h\u1ea1t g\u00f3c th\u1ea5p<\/strong>: Nh\u1eefng ranh gi\u1edbi n\u00e0y c\u00f3 s\u1ef1 l\u1ec7ch h\u01b0\u1edbng nh\u1ecf (d\u01b0\u1edbi 15 \u0111\u1ed9) v\u00e0 g\u1ed3m c\u00e1c m\u1ea3ng dislocation. Ch\u00fang \u00edt tr\u1eadt t\u1ef1 h\u01a1n so v\u1edbi ranh gi\u1edbi g\u00f3c cao.<\/li>\n<li><strong>Ranh gi\u1edbi \u0111\u1eb7c bi\u1ec7t<\/strong>: Bao g\u1ed3m c\u00e1c ranh gi\u1edbi m\u1ea1ng tinh th\u1ec3 \u0111\u1ed3ng nh\u1ea5t (CSL), c\u00f3 c\u1ea5u tr\u00fac nguy\u00ean t\u1eed \u0111\u1eb7c bi\u1ec7t tr\u1eadt t\u1ef1 v\u00e0 th\u01b0\u1eddng c\u00f3 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n c\u00f9ng \u0111\u1eb7c t\u00ednh khu\u1ebfch t\u00e1n kh\u00e1c bi\u1ec7t.<\/li>\n<\/ul>\n<p>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a ranh gi\u1edbi h\u1ea1t \u00edt tr\u1eadt t\u1ef1 h\u01a1n so v\u1edbi c\u00e1c h\u1ea1t, v\u1edbi m\u1ee9c \u0111\u1ed9 r\u1ed1i lo\u1ea1n nguy\u00ean t\u1eed cao h\u01a1n v\u00e0 nhi\u1ec1u kh\u00f4ng gian t\u1ef1 do h\u01a1n. C\u1ea5u tr\u00fac \u0111\u1ed9c \u0111\u00e1o n\u00e0y cho ph\u00e9p ranh gi\u1edbi h\u1ea1t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn nhanh h\u01a1n cho chuy\u1ec3n \u0111\u1ed9ng nguy\u00ean t\u1eed, ho\u1eb7c\u00a0<strong>khu\u1ebfch t\u00e1n<\/strong>, so v\u1edbi m\u1ea1ng tinh th\u1ec3 trong kh\u1ed1i. V\u00ec c\u00e1c nguy\u00ean t\u1eed t\u1ea1i ranh gi\u1edbi h\u1ea1t \u00edt ch\u1eb7t ch\u1ebd h\u01a1n v\u00e0 c\u00f3 nhi\u1ec1u khuy\u1ebft t\u1eadt h\u01a1n, ch\u00fang c\u00f3 th\u1ec3 di chuy\u1ec3n d\u1ec5 d\u00e0ng h\u01a1n, khi\u1ebfn ranh gi\u1edbi h\u1ea1t tr\u1edf th\u00e0nh \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n.<\/p>\n<h2>L\u00e0 g\u00ec s\u1ef1 khu\u1ebfch t\u00e1n qua ranh gi\u1edbi h\u1ea1t<\/h2>\n<p>Khu\u1ebfch t\u00e1n ranh gi\u1edbi h\u1ea1t l\u00e0 s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c nguy\u00ean t\u1eed d\u1ecdc theo c\u00e1c ranh gi\u1edbi gi\u1eefa c\u00e1c h\u1ea1t trong m\u1ed9t v\u1eadt li\u1ec7u tinh th\u1ec3. Kh\u00e1c v\u1edbi khu\u1ebfch t\u00e1n trong m\u1ea1ng tinh th\u1ec3 l\u1edbn, n\u01a1i c\u00e1c nguy\u00ean t\u1eed di chuy\u1ec3n qua c\u1ea5u tr\u00fac tinh th\u1ec3 tr\u1eadt t\u1ef1, khu\u1ebfch t\u00e1n ranh gi\u1edbi h\u1ea1t x\u1ea3y ra trong c\u00e1c kh\u00f4ng gian \u00edt tr\u1eadt t\u1ef1 h\u01a1n, m\u1edf h\u01a1n t\u1ea1i c\u00e1c c\u1ea1nh h\u1ea1t.<\/p>\n<p>Khu\u1ebfch t\u00e1n nhanh h\u01a1n d\u1ecdc theo ranh gi\u1edbi h\u1ea1t v\u00ec c\u00e1c ranh gi\u1edbi n\u00e0y c\u00f3 nhi\u1ec1u khuy\u1ebft t\u1eadt h\u01a1n, kh\u00f4ng gian th\u1eeba v\u00e0 c\u1ea5u tr\u00fac nguy\u00ean t\u1eed b\u1ecb x\u00e1o tr\u1ed9n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u1ec5 d\u00e0ng h\u01a1n cho c\u00e1c nguy\u00ean t\u1eed tr\u01b0\u1ee3t qua so v\u1edbi c\u00e1c nguy\u00ean t\u1eed ch\u1eb7t ch\u1ebd, \u0111\u1ec1u \u0111\u1eb7n b\u00ean trong h\u1ea1t. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng nh\u01b0 \u0111i qua m\u1ed9t ph\u00f2ng \u0111\u00f4ng \u0111\u00fac (khu\u1ebfch t\u00e1n trong kh\u1ed1i) so v\u1edbi \u0111i qua m\u1ed9t h\u00e0nh lang r\u1ed9ng r\u00e3i, tr\u1ed1ng tr\u1ea3i gi\u1eefa c\u00e1c ph\u00f2ng (khu\u1ebfch t\u00e1n ranh gi\u1edbi h\u1ea1t).<\/p>\n<p>Chuy\u1ec3n \u0111\u1ed9ng nguy\u00ean t\u1eed nhanh h\u01a1n n\u00e0y khi\u1ebfn ranh gi\u1edbi h\u1ea1t tr\u1edf th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn quan tr\u1ecdng cho c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 \u0103n m\u00f2n, nung ch\u1ea3y v\u00e0 l\u00e3o h\u00f3a v\u1eadt li\u1ec7u. Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n<h2>C\u01a1 ch\u1ebf khu\u1ebfch t\u00e1n ranh gi\u1edbi h\u1ea1t<\/h2>\n<p><img decoding=\"async\" class=\"size-fusion-400 wp-image-1409\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-400x269.jpg\" alt=\"Quy tr\u00ecnh khu\u1ebfch t\u00e1n qua r\u00eca h\u1ea1t\" width=\"400\" height=\"269\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-200x135.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-300x202.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-400x269.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-600x404.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-768x517.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process-800x538.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process.jpg 1015w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n<p>\u1ede c\u1ea5p \u0111\u1ed9 nguy\u00ean t\u1eed, khu\u1ebfch t\u00e1n ranh gi\u1edbi h\u1ea1t x\u1ea3y ra v\u00ec c\u00e1c nguy\u00ean t\u1eed c\u00f3 nhi\u1ec1u kh\u00f4ng gian h\u01a1n v\u00e0 \u00edt tr\u1eadt t\u1ef1 h\u01a1n t\u1ea1i c\u00e1c ranh gi\u1edbi h\u1ea1t so v\u1edbi b\u00ean trong c\u00e1c h\u1ea1t (m\u1ea1ng tinh th\u1ec3 trong kh\u1ed1i). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c nguy\u00ean t\u1eed c\u00f3 th\u1ec3 nh\u1ea3y ho\u1eb7c di chuy\u1ec3n d\u1ec5 d\u00e0ng h\u01a1n d\u1ecdc theo c\u00e1c ranh gi\u1edbi n\u00e0y, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng cao t\u1ed1c nhanh h\u01a1n cho khu\u1ebfch t\u00e1n.<\/p>\n<h3>T\u1ea1i sao khu\u1ebfch t\u00e1n d\u1ec5 d\u00e0ng h\u01a1n t\u1ea1i ranh gi\u1edbi h\u1ea1t<\/h3>\n<ul>\n<li><strong>C\u1ea5u tr\u00fac nguy\u00ean t\u1eed<\/strong>: Ranh gi\u1edbi h\u1ea1t l\u00e0 c\u00e1c v\u00f9ng n\u01a1i c\u1ea5u tr\u00fac tinh th\u1ec3 kh\u00f4ng \u0111\u1ec1u. S\u1ef1 r\u1ed1i lo\u1ea1n n\u00e0y t\u1ea1o ra nhi\u1ec1u kh\u00f4ng gian m\u1edf h\u01a1n, g\u1ecdi l\u00e0 th\u1ec3 t\u00edch t\u1ef1 do.<\/li>\n<li><strong>Th\u1ec3 t\u00edch t\u1ef1 do<\/strong>: Kho\u1ea3ng tr\u1ed1ng gi\u1eefa c\u00e1c nguy\u00ean t\u1eed gi\u00fap nguy\u00ean t\u1eed d\u1ec5 d\u00e0ng tr\u01b0\u1ee3t qua h\u01a1n.<\/li>\n<li><strong>M\u1eadt \u0111\u1ed9 khuy\u1ebft t\u1eadt<\/strong>: C\u00e1c ranh gi\u1edbi ch\u1ee9a nhi\u1ec1u khuy\u1ebft t\u1eadt nh\u01b0 dislocation v\u00e0 ch\u1ed7 tr\u1ed1ng l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng c\u1ea3n tr\u1edf cho s\u1ef1 di chuy\u1ec3n c\u1ee7a nguy\u00ean t\u1eed.<\/li>\n<\/ul>\n<h3>Kh\u00e1c bi\u1ec7t so v\u1edbi khu\u1ebfch t\u00e1n kh\u1ed1i<\/h3>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>Khu\u1ebfch t\u00e1n qua r\u00eca h\u1ea1t<\/th>\n<th>Khu\u1ebfch t\u00e1n th\u1ec3 t\u00edch (Lattice)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1ed9 tr\u00ecnh<\/td>\n<td>Ranh gi\u1edbi h\u1ea1t kh\u00f4ng \u0111\u1ec1u<\/td>\n<td>Lattice tinh th\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp t\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 di \u0111\u1ed9ng c\u1ee7a nguy\u00ean t\u1eed<\/td>\n<td>Cao h\u01a1n do c\u1ea5u tr\u00fac m\u1edf<\/td>\n<td>Th\u1ea5p h\u01a1n v\u00ec nguy\u00ean t\u1eed \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i ch\u1eb7t ch\u1ebd<\/td>\n<\/tr>\n<tr>\n<td>N\u0103ng l\u01b0\u1ee3ng ho\u1ea1t h\u00f3a<\/td>\n<td>Th\u1ea5p h\u01a1n, l\u00e0m cho qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n d\u1ec5 d\u00e0ng h\u01a1n<\/td>\n<td>Cao h\u01a1n, nguy\u00ean t\u1eed kh\u00f3 di chuy\u1ec3n h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n<\/td>\n<td>Nhanh h\u01a1n<\/td>\n<td>Ch\u1eadm h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Do nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y, khu\u1ebfch t\u00e1n qua ranh gi\u1edbi h\u1ea1t c\u00f3 th\u1ec3 chi\u1ebfm \u01b0u th\u1ebf \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n n\u01a1i khu\u1ebfch t\u00e1n th\u1ec3 t\u00edch b\u1ecb h\u1ea1n ch\u1ebf. Hi\u1ec3u \u0111i\u1ec1u n\u00e0y gi\u00fap ki\u1ec3m so\u00e1t c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 thi\u00eau k\u1ebft v\u00e0 \u0103n m\u00f2n trong kim lo\u1ea1i.<\/p>\n<h2>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn khu\u1ebfch t\u00e1n qua ranh gi\u1edbi h\u1ea1t<\/h2>\n<p>M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n qua c\u00e1c m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t trong v\u1eadt li\u1ec7u. Nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3ng vai tr\u00f2 l\u1edbn\u2014nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n cung c\u1ea5p nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n cho c\u00e1c nguy\u00ean t\u1eed di chuy\u1ec3n, l\u00e0m cho qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n nhanh h\u01a1n. N\u0103ng l\u01b0\u1ee3ng ho\u1ea1t h\u00f3a cho khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t th\u01b0\u1eddng th\u1ea5p h\u01a1n so v\u1edbi khu\u1ebfch t\u00e1n qua m\u1ea1ng tinh th\u1ec3, do \u0111\u00f3 c\u00e1c nguy\u00ean t\u1eed d\u1ec5 d\u00e0ng nh\u1ea3y qua c\u00e1c m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t h\u01a1n.<\/p>\n<p>K\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 lo\u1ea1i m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t c\u0169ng quan tr\u1ecdng. H\u1ea1t nh\u1ecf h\u01a1n c\u00f3 nhi\u1ec1u m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t h\u01a1n, t\u0103ng c\u00e1c \u0111\u01b0\u1eddng d\u1eabn cho qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n. T\u01b0\u01a1ng t\u1ef1, c\u00e1c m\u1eb7t ph\u00e2n gi\u1edbi c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c nhau\u2014nh\u01b0 g\u00f3c cao so v\u1edbi g\u00f3c th\u1ea5p\u2014\u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u1ea5u tr\u00fac nguy\u00ean t\u1eed v\u00e0 s\u1ef1 r\u1ed1i lo\u1ea1n.<\/p>\n<p>\u0110\u1ed9 tinh khi\u1ebft v\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng r\u1ea5t quan tr\u1ecdng. T\u1ea1p ch\u1ea5t c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf ho\u1eb7c th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh khu\u1ebfch t\u00e1n t\u00f9y thu\u1ed9c v\u00e0o t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u00fang v\u1edbi m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t. C\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim c\u00f3 th\u1ec3 ph\u00e2n t\u00e1n t\u1ea1i c\u00e1c m\u1eb7t ph\u00e2n gi\u1edbi, thay \u0111\u1ed5i h\u00e0nh vi khu\u1ebfch t\u00e1n.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, \u1ee9ng su\u1ea5t b\u00ean ngo\u00e0i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i kho\u1ea3ng c\u00e1ch nguy\u00ean t\u1eed ho\u1eb7c t\u1ea1o ra c\u00e1c khuy\u1ebft t\u1eadt c\u00f3 th\u1ec3 gi\u00fap ho\u1eb7c c\u1ea3n tr\u1edf s\u1ef1 di chuy\u1ec3n c\u1ee7a nguy\u00ean t\u1eed. Hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf.<\/p>\n<h2>\u0110o l\u01b0\u1eddng v\u00e0 M\u00f4 h\u00ecnh h\u00f3a khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 v\u1ec1 khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t, c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt chuy\u00ean bi\u1ec7t \u0111\u1ec3 ti\u1ebft l\u1ed9 c\u00e1ch c\u00e1c nguy\u00ean t\u1eed di chuy\u1ec3n d\u1ecdc theo c\u00e1c m\u1eb7t n\u00e0y. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>K\u1ef9 thu\u1eadt theo d\u00f5i ph\u00f3ng x\u1ea1<\/strong>: S\u1eed d\u1ee5ng c\u00e1c \u0111\u1ed3ng v\u1ecb ph\u00f3ng x\u1ea1 \u0111\u1ec3 theo d\u00f5i s\u1ef1 di chuy\u1ec3n c\u1ee7a nguy\u00ean t\u1eed theo th\u1eddi gian, cung c\u1ea5p t\u1ed1c \u0111\u1ed9 khu\u1ebfch t\u00e1n ch\u00ednh x\u00e1c.<\/li>\n<li><strong>Ph\u00e2n t\u00edch ph\u1ed5 kh\u1ed1i ion th\u1ee9 c\u1ea5p (SIMS)<\/strong>: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t v\u00e0 v\u00f9ng g\u1ea7n b\u1ec1 m\u1eb7t \u0111\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1ch c\u00e1c nguy\u00ean t\u1ed1 ph\u00e2n t\u00e1n d\u1ecdc theo c\u00e1c m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t.<\/li>\n<\/ul>\n<p>M\u00f4 h\u00ecnh h\u00f3a khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t th\u01b0\u1eddng d\u1ef1a tr\u00ean c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee7a\u00a0<strong>\u0111\u1ecbnh lu\u1eadt Fick<\/strong>, m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c h\u1ea1t khu\u1ebfch t\u00e1n do ch\u00eanh l\u1ec7ch n\u1ed3ng \u0111\u1ed9. Tuy nhi\u00ean, c\u00e1c m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t ho\u1ea1t \u0111\u1ed9ng kh\u00e1c v\u1edbi v\u1eadt li\u1ec7u kh\u1ed1i, v\u00ec v\u1eady c\u00e1c nh\u00e0 khoa h\u1ecdc s\u1eed d\u1ee5ng c\u00e1c ph\u00e2n lo\u1ea1i c\u1ee5 th\u1ec3 nh\u01b0\u00a0<strong>lo\u1ea1i A, B, v\u00e0 C c\u1ee7a Harrison<\/strong>:<\/p>\n<ul>\n<li><strong>Lo\u1ea1i A<\/strong>: Khu\u1ebfch t\u00e1n kh\u1ed1i chi\u1ebfm \u01b0u th\u1ebf; khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t nhanh h\u01a1n nh\u01b0ng \u00edt quan tr\u1ecdng h\u01a1n so v\u1edbi th\u1ec3 t\u00edch.<\/li>\n<li><strong>Lo\u1ea1i B<\/strong>: C\u1ea3 khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t v\u00e0 qua m\u1ea1ng tinh th\u1ec3 \u0111\u1ec1u \u0111\u00f3ng g\u00f3p r\u00f5 r\u1ec7t.<\/li>\n<li><strong>Lo\u1ea1i C<\/strong>: Khu\u1ebfch t\u00e1n qua m\u1eb7t ph\u00e2n gi\u1edbi h\u1ea1t chi\u1ebfm \u01b0u th\u1ebf v\u00ec khu\u1ebfch t\u00e1n qua m\u1ea1ng tinh th\u1ec3 r\u1ea5t ch\u1eadm.<\/li>\n<\/ul>\n<p>C\u00e1c m\u00f4 h\u00ecnh n\u00e0y gi\u00fap d\u1ef1 \u0111o\u00e1n c\u00e1ch v\u1eadt li\u1ec7u s\u1ebd ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi c\u00e1c hi\u1ec7u \u1ee9ng bi\u00ean h\u1ea1t \u1ea3nh h\u01b0\u1edfng m\u1ea1nh \u0111\u1ebfn c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 \u0103n m\u00f2n ho\u1eb7c bi\u1ebfn d\u1ea1ng t\u1eeb t\u1eeb. Nh\u00ecn chung, vi\u1ec7c \u0111o l\u01b0\u1eddng v\u00e0 m\u00f4 h\u00ecnh h\u00f3a s\u1ef1 khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t mang l\u1ea1i cho ch\u00fang ta m\u1ed9t l\u1ed9 tr\u00ecnh th\u1ef1c t\u1ebf \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trong kim lo\u1ea1i, h\u1ee3p kim v\u00e0 v\u1eadt li\u1ec7u t\u1eeb t\u00ednh.<\/p>\n<h2>\u00dd ngh\u0129a th\u1ef1c ti\u1ec5n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t<\/h2>\n<p>Khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u qu\u00e1 tr\u00ecnh v\u1eadt li\u1ec7u nh\u01b0 thi\u00eau k\u1ebft, bi\u1ebfn d\u1ea1ng t\u1eeb t\u1eeb, \u0103n m\u00f2n v\u00e0 gi\u00f2n. V\u00ec bi\u00ean h\u1ea1t cung c\u1ea5p c\u00e1c \u0111\u01b0\u1eddng d\u1eabn nguy\u00ean t\u1eed nhanh h\u01a1n so v\u1edbi m\u1ea1ng tinh th\u1ec3 kh\u1ed1i, n\u00ean s\u1ef1 khu\u1ebfch t\u00e1n d\u1ecdc theo c\u00e1c bi\u00ean n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1ch v\u1eadt li\u1ec7u ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi nhi\u1ec7t v\u00e0 \u1ee9ng su\u1ea5t.<\/p>\n<p>Trong qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft, khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t gi\u00fap c\u00e1c h\u1ea1t h\u1ee3p nh\u1ea5t v\u1edbi nhau hi\u1ec7u qu\u1ea3 h\u01a1n, c\u1ea3i thi\u1ec7n m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Trong qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng t\u1eeb t\u1eeb\u2014n\u01a1i v\u1eadt li\u1ec7u t\u1eeb t\u1eeb bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi \u1ee9ng su\u1ea5t kh\u00f4ng \u0111\u1ed5i\u2014khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t cho ph\u00e9p c\u00e1c nguy\u00ean t\u1eed di chuy\u1ec3n d\u1ec5 d\u00e0ng h\u01a1n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh \u0103n m\u00f2n v\u00e0 gi\u00f2n, s\u1ef1 khu\u1ebfch t\u00e1n nhanh h\u01a1n d\u1ecdc theo c\u00e1c bi\u00ean h\u1ea1t n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c \u0111i\u1ec3m y\u1ebfu, khi\u1ebfn v\u1eadt li\u1ec7u d\u1ec5 b\u1ecb h\u1ecfng h\u01a1n.<\/p>\n<p>\u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u t\u1eeb t\u00ednh, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i NBAEM, vi\u1ec7c ki\u1ec3m so\u00e1t s\u1ef1 khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. N\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh b\u1eb1ng c\u00e1ch \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea5u tr\u00fac h\u1ea1t v\u00e0 \u0111\u1ed9 tinh khi\u1ebft. Qu\u1ea3n l\u00fd s\u1ef1 khu\u1ebfch t\u00e1n gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 tu\u1ed5i th\u1ecd t\u1ed5ng th\u1ec3 c\u1ee7a nam ch\u00e2m. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh hi\u1ec7u su\u1ea5t cao, n\u01a1i t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e0 ch\u00eca kh\u00f3a.<\/p>\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a s\u1ef1 khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t, NBAEM \u0111\u1ea3m b\u1ea3o nam ch\u00e2m c\u1ee7a m\u00ecnh duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng tuy\u1ec7t v\u1eddi, k\u1ebft h\u1ee3p hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh m\u1ea1nh m\u1ebd v\u1edbi c\u01a1 h\u1ecdc r<span style=\"color: #000000;\">esilience. Ki\u1ebfn th\u1ee9c n\u00e0y h\u1ed7 tr\u1ee3 s\u1ef1 \u0111\u1ed5i m\u1edbi trong thi\u1ebft k\u1ebf v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng nhu c\u1ea7u kh\u1eaft khe c\u1ee7a th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1ng tin c\u1eady. \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 v\u1eadt li\u1ec7u t\u1eeb t\u00ednh, h\u00e3y xem<\/span>\u00a0<span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/what-is-high-performance-smco-magnets\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m SmCo hi\u1ec7u su\u1ea5t cao l\u00e0 g\u00ec<\/a>\u00a0<\/strong><\/span>v\u00e0\u00a0<strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/what-is-permanent-magnet\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m v\u0129nh c\u1eedu l\u00e0 g\u00ec<\/a><\/span><\/strong>.<\/p>\n<h2>Khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t trong v\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/h2>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/pub-36eea33d6f1540d281c285671ffb8664.r2.dev\/2025\/09\/18\/Grain_Boundary_Diffusion_Magnetic_Effects_5VWi85nt.webp\" alt=\"Hi\u1ec7u \u1ee9ng t\u1eeb t\u00ednh khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t\" width=\"1082\" height=\"403\" \/><\/p>\n<p>Khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t \u0111\u00f3ng m\u1ed9t vai tr\u00f2 \u0111\u1ed9c \u0111\u00e1o trong v\u1eadt li\u1ec7u t\u1eeb t\u00ednh, t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a ch\u00fang. Kh\u00f4ng gi\u1ed1ng nh\u01b0 khu\u1ebfch t\u00e1n kh\u1ed1i, chuy\u1ec3n \u0111\u1ed9ng d\u1ecdc theo c\u00e1c bi\u00ean h\u1ea1t c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a c\u00e1c nguy\u00ean t\u1eed v\u00e0 v\u00e1ch mi\u1ec1n t\u1eeb t\u00ednh nhanh h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng ho\u1eb7c l\u00e0m gi\u1ea3m c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb t\u00ednh t\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd.<\/p>\n<p>M\u1ed9t th\u00e1ch th\u1ee9c l\u00e0 s\u1ef1 khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i kh\u00f4ng mong mu\u1ed1n trong s\u1ef1 li\u00ean k\u1ebft t\u1eeb t\u00ednh, g\u00e2y ra l\u1ef1c kh\u00e1ng t\u1eeb ho\u1eb7c t\u1eeb h\u00f3a gi\u1ea3m. M\u1eb7t kh\u00e1c, s\u1ef1 khu\u1ebfch t\u00e1n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ea1i c\u00e1c bi\u00ean h\u1ea1t c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a c\u00e1c mi\u1ec1n t\u1eeb t\u00ednh, t\u0103ng c\u01b0\u1eddng t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a nam ch\u00e2m.<\/p>\n<p>V\u00ed d\u1ee5, trong c\u00e1c nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm nh\u01b0 SmCo v\u00e0 NdFeB, vi\u1ec7c qu\u1ea3n l\u00fd s\u1ef1 khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t gi\u00fap duy tr\u00ec c\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi nam ch\u00e2m m\u1ea1nh m\u1ebd, \u0111\u00e1ng tin c\u1eady, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n ho\u1eb7c thi\u1ebft b\u1ecb l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/p>\n<p>Hi\u1ec3u v\u00e0 ki\u1ec3m so\u00e1t s\u1ef1 khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t c\u0169ng gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 l\u00e3o h\u00f3a t\u1eeb t\u00ednh v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 gi\u00f2n, nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn trong ng\u00e0nh v\u1eadt li\u1ec7u t\u1eeb t\u00ednh. Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y l\u00e0m cho khu\u1ebfch t\u00e1n bi\u00ean h\u1ea1t tr\u1edf th\u00e0nh m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c s\u1ea3n xu\u1ea5t nam ch\u00e2m hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam kh\u1eaft khe.<\/p>\n<p>\u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n c\u1ee7a nam ch\u00e2m v\u00e0 c\u00e1c c\u1ef1c t\u1eeb, h\u00e3y xem\u00a0<strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/what-is-a-rare-earth-magnet\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm l\u00e0 g\u00ec<\/a><\/span><\/strong>\u00a0v\u00e0<span style=\"color: #ff6600;\"><strong>\u00a0<a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/what-are-magnetic-poles\/\" target=\"_blank\" rel=\"noopener\">c\u00e1c c\u1ef1c t\u1eeb l\u00e0 g\u00ec<\/a>.<\/strong><\/span><\/p>\n<\/div>\n<div class=\"post-footer\">\n<div class=\"post-tags\"><\/div>\n<\/div>\n<\/div>\n<nav class=\"post-navigation thw-sept\">\n<div class=\"row no-gutters\">\n<div class=\"col-12 col-md-6\"><\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>Basics of Grain Boundaries in Materials In crystalline materials, atoms are arranged in a highly ordered repeating pattern called a crystal lattice. However, these materials are rarely a single crystal. Instead, they consist of many small crystals called\u00a0grains. Each grain has its own crystal orientation, and the regions where grains [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1409,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1410","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2024\/11\/The-principle-of-Grain-Boundary-Diffusion-process.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=1410"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1410\/revisions"}],"predecessor-version":[{"id":2910,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1410\/revisions\/2910"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1409"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}