{"id":352,"date":"2022-10-05T03:32:07","date_gmt":"2022-10-05T03:32:07","guid":{"rendered":"https:\/\/imetrade.com\/?p=352"},"modified":"2022-10-05T03:32:07","modified_gmt":"2022-10-05T03:32:07","slug":"gioi-thieu-khai-quat-cong-nghe-tham-nito-plasma","status":"publish","type":"post","link":"https:\/\/imetrade.com\/?p=352","title":{"rendered":"GI\u1edaI THI\u1ec6U KH\u00c1I QU\u00c1T C\u00d4NG NGH\u1ec6 TH\u1ea4M NIT\u01a0 PLASMA"},"content":{"rendered":"\n<p><strong>KH\u00c1I NI\u1ec6M<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>T\u00f4i th\u1ea5m nit\u01a1 l\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t h\u00f3a h\u1ecdc khu\u1ebfch t\u00e1n c\u00e1c nguy\u00ean t\u1eed nito l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft gi\u00fap t\u0103ng \u0111\u1ed9 tr\u01a1n nh\u1eb5n v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 th\u00edch h\u1ee3p t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t nitrua c\u00f3 \u1ed5n \u0111\u1ecbnh cao v\u00e0 t\u00e1i c\u1ea5u tr\u00fac c\u00e1c l\u1edbp b\u1ec1 m\u1eb7t nh\u1eb1m c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a c\u1ee7a c\u00e1c chi ti\u1ebft gia c\u00f4ng, n\u00e2ng cao \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n m\u1ecfi, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n. C\u00e1c nguy\u00ean t\u1ed1 hi\u1ec7u qu\u1ea3 nh\u1ea5t trong vi\u1ec7c t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t nitrua l\u1ea7n l\u01b0\u1ee3t l\u00e0 nh\u00f4m, crom, molypden, vanadi v\u00e0 do v\u1eady t\u01b0\u01a1ng \u1ee9ng th\u1ea5m nito s\u1ebd \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao nh\u1ea5t v\u1edbi c\u00e1c chi ti\u1ebft gia c\u00f4ng ch\u1ee9a c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y. C\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c trong h\u1ee3p kim, ch\u1eb3ng h\u1ea1n nh\u01b0 niken, \u0111\u1ed3ng, silic, mangan, v.v., kh\u00f4ng \u0111\u00f3ng g\u00f3p nhi\u1ec1u v\u00e0o \u0111\u1eb7c t\u00ednh th\u1ea5m nit\u01a1. C\u00e1c c\u00f4ng ngh\u1ec7 th\u1ea5m nito th\u00f4ng d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay l\u00e0 th\u1ea5m th\u1ec3 kh\u00ed, th\u1ec3 l\u1ecfng v\u00e0 plasma v\u1edbi c\u00e1c \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>T\u00f4i th\u1ea5m nit\u01a1 plasma\/ion \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean s\u1ef1 ph\u00f3ng \u0111i\u1ec7n ph\u00e1t s\u00e1ng t\u1ea1o ra gi\u1eefa c\u1ef1c \u00e2m (chi ti\u1ebft gia c\u00f4ng) v\u00e0 c\u1ef1c d\u01b0\u01a1ng (th\u00e0nh l\u00f2) trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng v\u00e0 \u1edf nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00ed th\u1ea5p h\u01a1n h\u1eb3n so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t luy\u1ec7n kh\u00e1c. C\u00e1c nguy\u00ean t\u1eed nit\u01a1 v\u00e0 hydro trong m\u00f4i tr\u01b0\u1eddng n\u00e0y b\u1ecb ion h\u00f3a sau khi nhi\u1ec5m \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n tr\u01b0\u1eddng m\u1ea1nh trong v\u00f9ng plasma \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh gi\u1eefa c\u1ef1c d\u01b0\u01a1ng v\u00e0 c\u1ef1c \u00e2m, v\u00e0 c\u00e1c ion d\u01b0\u01a1ng c\u1ee7a nit\u01a1 v\u00e0 hydro \u201c\u0111\u1eadp\u201d v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a ph\u00f4i v\u1edbi t\u1ed1c \u0111\u1ed9 cao. \u0110\u1ed9ng n\u0103ng cao c\u1ee7a c\u00e1c ion \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh nhi\u1ec7t n\u0103ng, \u0111\u1ed1t n\u00f3ng b\u1ec1 m\u1eb7t kim lo\u1ea1i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00ed mong mu\u1ed1n.&nbsp;Ngo\u00e0i ra s\u1ef1 b\u1eafn ph\u00e1 ion (ph\u00fan x\u1ea1) c\u00f3 th\u1ec3 gi\u00fap l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 lo\u1ea1i b\u1ecf m\u00e0ng th\u1ee5 \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Th\u1ea5m nit\u01a1 \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ea5m nit\u01a1 m\u1ec1m, t\u1ee9c l\u00e0 b\u1ec1 m\u1eb7t kim lo\u1ea1i \u0111\u01b0\u1ee3c th\u1ea5m nit\u01a1 v\u00e0 cacbon d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n ti\u1ebfp eutectoid s\u1eaft &#8211; nit\u01a1. C\u00e1c vi cacbua \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh sau s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf cacbon c\u00f3 th\u1ec3 th\u00fac \u0111\u1ea9y s\u1ef1 khu\u1ebfch t\u00e1n c\u1ee7a nit\u01a1 v\u00e0 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t nit\u01a1 cao, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng h\u00f2a tan c\u1ee7a cacbon. Ngo\u00e0i ra, cacbon trong nitrit c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 gi\u00f2n. Qu\u00e1 tr\u00ecnh n\u00e0y g\u1ecdi l\u00e0 Nitrocarburizing. Nitrocarburizing kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd m\u1ecfi c\u1ee7a ph\u00f4i, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng \u0103n m\u00f2n m\u00e0 c\u00f2n c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 chi ph\u00ed th\u1ea5p, v\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n, th\u1eddi gian x\u1eed l\u00ed ng\u1eafn h\u01a1n, bi\u1ebfn d\u1ea1ng ph\u00f4i nh\u1ecf v\u00e0 ngo\u1ea1i h\u00ecnh chi ti\u1ebft \u0111\u1eb9p.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h6 class=\"wp-block-heading\" id=\"d\u1eb7c-tinh\" style=\"font-size:22px\"><strong>\u0110\u1eb6C T\u00cdNH<\/strong><\/h6>\n\n\n\n<p><\/p>\n\n\n\n<p>Nh\u1eefng c\u1ea3i thi\u1ec7n sau \u0111\u00e2y v\u1ec1 \u0111\u1eb7c t\u00ednh c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi qu\u00e1 tr\u00ecnh th\u1ea5m nit\u01a1 plasma:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t cao<\/li><li>kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao<\/li><li>gi\u1ea3m h\u1ec7 s\u1ed1 ma s\u00e1t<\/li><li>t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/li><li>c\u01b0\u1eddng \u0111\u1ed9 nhi\u1ec7t \u0111\u1ed9 cao (l\u00ean \u0111\u1ebfn 500\u00b0C)<\/li><li>\u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng t\u1ed1t<\/li><li>ho\u00e0n thi\u1ec7n v\u1ec1 th\u1ea9m m\u1ef9<\/li><li>c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi khi u\u1ed1n<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u1ee8NG D\u1ee4NG<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"inherit-container-width wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group__inner-container\">\n<ul class=\"wp-block-list\"><li>Quy tr\u00ecnh plasma \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho nhi\u1ec1u \u1ee9ng d\u1ee5ng v\u00e0 v\u1eadt li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, c\u00e1c s\u1ea3n ph\u1ea9m kim lo\u1ea1i b\u1ed9t \/ thi\u00eau k\u1ebft m\u1eadt \u0111\u1ed9 th\u1ea5p v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn y\u00eau c\u1ea7u x\u1eed l\u00fd th\u1ea5m c\u00f3 ch\u1ecdn l\u1ecdc khu v\u1ef1c nh\u1edd c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng m\u1eb7t n\u1ea1 c\u01a1 h\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a plasma v\u1edbi b\u1ec1 m\u1eb7t c\u1ea7n c\u00e1ch ly.<\/li><\/ul>\n\n\n\n<h3 class=\"has-custom-font wp-block-heading\" id=\"th\u1ea5m-nit\u01a1-plasma-r\u1ea5t-thich-h\u1ee3p-cho-vi\u1ec7c-gia-cong-cac-chi-ti\u1ebft-co-kich-th\u01b0\u1edbc-l\u1edbn-ch\u1eb3ng-h\u1ea1n-nh\u01b0-khuon-ep-dun-d\u1ed1i-v\u1edbi-gang-xam-th\u1ea5m-nit\u01a1-plasma-cho-phep-lam-c\u1ee9ng-hi\u1ec7u-qu\u1ea3-ma-khong-lam-tho-b\u1ec1-m\u1eb7t-c\u1ee7a-chung-nh\u01b0-co-th\u1ec3-x\u1ea3y-ra-khi-x\u1eed-ly-d\u1ed1i-v\u1edbi-th\u1ea5m-nit\u01a1-khi\" style=\"font-family:Arial;font-size:16px\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Th\u1ea5m nit\u01a1 plasma r\u1ea5t th\u00edch h\u1ee3p cho vi\u1ec7c gia c\u00f4ng c\u00e1c chi ti\u1ebft c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, ch\u1eb3ng h\u1ea1n nh\u01b0 khu\u00f4n \u00e9p, \u0111\u00f9n. \u0110\u1ed1i v\u1edbi gang x\u00e1m, th\u1ea5m nit\u01a1 plasma cho ph\u00e9p l\u00e0m c\u1ee9ng hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng l\u00e0m th\u00f4 b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang nh\u01b0 c\u00f3 th\u1ec3 x\u1ea3y ra khi x\u1eed l\u00fd \u0111\u1ed1i v\u1edbi th\u1ea5m nit\u01a1 kh\u00ed.<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Th\u1ea5m nit\u01a1 plasma r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 l\u00e0m c\u1ee9ng c\u00e1c v\u1eadt th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc d\u00e0i c\u1ea7n x\u1eed l\u00fd \u0111\u1ed3ng nh\u1ea5t v\u00e0 ch\u1ee9a c\u00e1c ph\u1ea7n c\u1ea7n b\u1ea3o v\u1ec7 c\u1ee5c b\u1ed9 kh\u1ecfi qu\u00e1 tr\u00ecnh x\u1eed l\u00fd nh\u01b0 ren.&nbsp;S\u1ef1 \u0111\u1ed3ng nh\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a plasma d\u1ecdc theo to\u00e0n b\u1ed9 tr\u1ee5c d\u1eabn \u0111\u1ebfn vi\u1ec7c h\u00ecnh th\u00e0nh m\u1ed9t l\u1edbp c\u1ee9ng \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1ed9 c\u1ee9ng v\u01b0\u1ee3t tr\u1ed9i.<\/li><li>T\u00f9y theo v\u1eadt li\u1ec7u gia c\u00f4ng, th\u1ea5m nito plasma c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng l\u00ean \u0111\u1ebfn 1.000 HV (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 70 HRc).<\/li><li>Th\u1ea5m nit\u01a1 plasma v\u00e0 nitrocarburizing c\u00f3 m\u1ed9t t\u01b0\u01a1ng lai \u0111\u1ea7y h\u1ee9a h\u1eb9n, m\u1ed9t ph\u1ea7n l\u00e0 do nh\u1eefng l\u1ee3i \u00edch v\u1ec1 m\u00f4i tr\u01b0\u1eddng, m\u1eb7t kh\u00e1c l\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3 \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c l\u1edbp mong mu\u1ed1n trong h\u1ee3p kim m\u00e0 kh\u00f4ng th\u1ec3 d\u1ec5 d\u00e0ng l\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.&nbsp;<\/li><li>Ngo\u00e0i ra, do nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd th\u1ea5p (th\u01b0\u1eddng trong kho\u1ea3ng 450-650 \u0111\u1ed9 C), chi ti\u1ebft h\u1ea7u nh\u01b0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, nh\u1edd \u0111\u00f3 gi\u1ea3m b\u1edbt \u0111\u01b0\u1ee3c c\u00f4ng t\u00e1c ho\u00e0n thi\u1ec7n sau t\u00f4i.<\/li><li>Th\u1ea5m nit\u01a1 plasma \/ ion s\u1ebd ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p (h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4, n\u00f4ng nghi\u1ec7p, v.v.) v\u00ec c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ecbu m\u00e0i m\u00f2n, ch\u1ed1ng m\u1ecfi v\u00e0 ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi c\u1ee7a th\u00e0nh ph\u1ea9m.<\/li><\/ul>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"\u01b0u-di\u1ec3m-c\u1ee7a-cong-ngh\u1ec7-th\u1ea5m-plasma-so-v\u1edbi-th\u1ea5m-khi\" style=\"font-size:22px\"><strong>\u01afU \u0110I\u1ec2M C\u1ee6A C\u00d4NG NGH\u1ec6 TH\u1ea4M PLASMA SO V\u1edaI TH\u1ea4M KH\u00cd<\/strong><\/h1>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Th\u1eddi gian chu k\u1ef3 th\u1ea5m ng\u1eafn, th\u01b0\u1eddng b\u1eb1ng m\u1ed9t ph\u1ea7n ba \u0111\u1ebfn m\u1ed9t n\u1eeda so v\u1edbi th\u1ea5m nit\u01a1 kh\u00ed th\u00f4ng th\u01b0\u1eddng, do \u0111\u00f3 n\u0103ng su\u1ea5t t\u0103ng, chi ph\u00ed v\u1eadn h\u00e0nh gi\u1ea3m.<\/li><li>Chi ti\u1ebft kh\u00f4ng b\u1ecb ho\u1eb7c bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u00e1ng k\u1ec3 do qu\u00e1 tr\u00ecnh th\u1ea5m nit\u01a1 ion \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 trong ch\u00e2n kh\u00f4ng; &nbsp;S\u1ef1 b\u1eafn ph\u00e1 ion di\u1ec5n ra tr\u00ean b\u1ec1 m\u1eb7t do \u0111\u00f3 c\u00e1c chi ti\u1ebft \u0111\u01b0\u1ee3c \u0111\u1ed1t n\u00f3ng \u0111\u1ed3ng nh\u1ea5t k\u1ec3 c\u1ea3 v\u1edbi chi ti\u1ebft c\u00f3 d\u1ea1ng h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p, c\u00f3 l\u1ed7 s\u00e2u;<\/li><li>\u0110\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t cao h\u01a1n do c\u00e1c bi\u1ebfn d\u1ea1ng t\u1ed1i thi\u1ec3u kh\u00f4ng c\u1ea7n x\u1eed l\u00fd c\u01a1 h\u1ecdc b\u1ed5 sung;<\/li><li>\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t, v\u1ecf v\u00e0 l\u00f5i c\u1ee7a chi ti\u1ebft cao h\u01a1n;<\/li><li>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi &#8211; qu\u00e1 tr\u00ecnh th\u1ea5m nit\u01a1 ion t\u1ea1o ra m\u1ed9t v\u00f9ng h\u1ee3p ch\u1ea5t d\u00e0y \u0111\u1eb7c, kh\u00f4ng x\u1ed1p, r\u1ea5t c\u1ee9ng, kh\u00f4ng gi\u00f2n v\u00e0 c\u00f3 h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p;<\/li><li>Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00e1i l\u1eadp.<\/li><li>Che ph\u1ee7 b\u1ec1 m\u1eb7t chi ti\u1ebft gia c\u00f4ng c\u1ea7n lo\u1ea1i tr\u1eeb khi th\u1ea5m d\u1ec5 d\u00e0ng b\u1eb1ng c\u01a1 h\u1ecdc ho\u1eb7c s\u01a1n \u0111\u1eb7c bi\u1ec7t gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian chu\u1ea9n b\u1ecb, t\u0103ng n\u0103ng su\u1ea5t.<\/li><li>Ti\u00eau th\u1ee5 kh\u00ed l\u00e0m vi\u1ec7c \u00edt h\u01a1n t\u1eeb 50 \u0111\u1ebfn 100 l\u1ea7n; qu\u00e1 tr\u00ecnh di\u1ec5n ra trong m\u00f4i tr\u01b0\u1eddng l\u00f2 ch\u00e2n kh\u00f4ng k\u00edn; kh\u00f4ng c\u00f3 kh\u00ed \u0111\u1ed9c h\u1ea1i tho\u00e1t ra, \u0111\u00e1p \u1ee9ng v\u1edbi t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u hi\u1ec7n \u0111\u1ea1i v\u1ec1 ki\u1ec3m so\u00e1t m\u00f4i tr\u01b0\u1eddng.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Th\u1ea5m nit\u01a1 plasma &#8211; Quy tr\u00ecnh v\u00e0 c\u00e1c b\u01b0\u1edbc<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>N\u1ea1p kh\u00ed:<\/strong>&nbsp;H\u00fat ch\u00e2n kh\u00f4ng \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00f4ng kh\u00ed b\u00ean trong, n\u1ea1p bu\u1ed3ng ch\u1ee9a v\u1edbi kh\u00ed l\u00e0m vi\u1ec7c \u0111\u1ebfn \u00e1p su\u1ea5t x\u00e1c \u0111\u1ecbnh,<\/li><li><strong>L\u00e0m s\u1ea1ch:<\/strong>&nbsp;L\u00e0m s\u1ea1ch b\u1ed5 sung c\u00e1c b\u1ed9 ph\u1eadn tr\u01b0\u1edbc khi x\u1eed l\u00fd. Tr\u01b0\u1edbc khi x\u1ebfp v\u00e0o bu\u1ed3ng, c\u00e1c chi ti\u1ebft \u0111\u00e3 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch d\u1ea7u m\u1ee1, ph\u1ebf li\u1ec7u c\u01a1 kh\u00ed, nh\u00f4m, \u0111\u1ed3ng v.v. tuy nhi\u00ean vi\u1ec7c v\u1ec7 sinh kh\u00f4ng th\u1ec3 ho\u00e0n h\u1ea3o.&nbsp;M\u1ee5c \u0111\u00edch l\u00e0 \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 nh\u1eefng c\u1eb7n b\u1ea9n c\u00f2n s\u00f3t l\u1ea1i.&nbsp;Trong qu\u00e1 tr\u00ecnh l\u00e0m s\u1ea1ch, d\u00f2ng \u0111i\u1ec7n plasma th\u1ea5p v\u00e0 h\u1ec7 s\u1ed1 l\u00e0m vi\u1ec7c nh\u1ecf ng\u0103n c\u1ea3n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ed3 quang, trong khi c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t.<\/li><li><strong>C\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd nhi\u1ec7t:<\/strong>&nbsp;T\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 k\u1ebft qu\u1ea3 ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c, t\u1ed1c \u0111\u1ed9 gia nhi\u1ec7t, \u00e1p su\u1ea5t, h\u1ec7 s\u1ed1 l\u00e0m vi\u1ec7c&#8230;&nbsp;s\u1ebd \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. Khi \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p, vi\u1ec7c x\u1eed l\u00fd b\u1eaft \u0111\u1ea7u.&nbsp;Khi qu\u00e1 tr\u00ecnh kh\u1eed nit\u01a1 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, kh\u00ed ch\u1ee9a carbon (metan, propan ho\u1eb7c kh\u00ed t\u1ef1 nhi\u00ean\u2026) \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u1edbi t\u1ec9 l\u1ec7 th\u00edch h\u1ee3p th\u01b0\u1eddng chi\u1ebfm t\u1eeb 2-10% h\u1ed7n h\u1ee3p kh\u00ed. Chu k\u00ec x\u1eed l\u00fd k\u00e9o d\u00e0i t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 20 gi\u1edd, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i b\u1ed9 ph\u1eadn v\u00e0 v\u1eadt li\u1ec7u, v\u00e0 nhu c\u1ea7u c\u00f4ng ngh\u1ec7 \u0111\u1ed9 s\u00e2u l\u1edbp.<\/li><li><strong>Qu\u00e1 tr\u00ecnh oxy h\u00f3a:<\/strong>&nbsp;\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n, c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t th\u00eam thi\u1ebft b\u1ecb \u0111\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh oxy h\u00f3a sau x\u1eed l\u00fd.<\/li><li><strong>L\u00e0m m\u00e1t:<\/strong>&nbsp;Sau khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh th\u1ea5m, chi ti\u1ebft \u0111\u01b0\u1ee3c l\u00e0m ngu\u1ed9i.&nbsp;\u0110\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxy h\u00f3a kh\u00f4ng mong mu\u1ed1n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb nitrat h\u00f3a, vi\u1ec7c l\u00e0m m\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong m\u00f4i tr\u01b0\u1eddng &nbsp;tr\u01b0\u1eddng kh\u00ed trung t\u00ednh b\u1eb1ng nit\u01a1 ho\u1eb7c argon.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>M\u1ed8T S\u1ed0 \u1ee8NG D\u1ee4NG TH\u1ea4M NITO PLASMA \u0110I\u1ec2N H\u00ccNH<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>C\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 &#8211; tr\u1ee5c khu\u1ef7u, tr\u1ee5c cam, b\u00e1nh r\u0103ng, piston, xi lanh, van, l\u00f2 xo van\u2026;<\/li><li>C\u00f4ng nghi\u1ec7p \u0110\u00fac v\u00e0 \u0110\u00fac khu\u00f4n kim lo\u1ea1i &#8211; khu\u00f4n \u0111\u00fac cho kim lo\u1ea1i m\u00e0u v\u00e0 h\u1ee3p kim;<\/li><li>C\u00f4ng nghi\u1ec7p r\u00e8n &#8211; t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i khu\u00f4n d\u1eadp cho b\u00faa v\u00e0 \u00e9p (r\u00e8n ngu\u1ed9i, r\u00e8n khu\u00f4n, r\u00e8n khu\u00f4n h\u1edf);<\/li><li>C\u00f4ng nghi\u1ec7p nh\u00f4m &#8211; khu\u00f4n \u0111\u00fac v\u00e0 \u0111\u00f9n;<\/li><li>C\u00f4ng nghi\u1ec7p nh\u1ef1a &#8211; v\u00edt m\u00e1y \u0111\u00f9n, xi lanh, khu\u00f4n \u0111\u1ec3 \u00e9p phun;<\/li><li>Ch\u1ebf t\u1ea1o M\u00e1y &#8211; tr\u1ee5c, tr\u1ee5c ch\u00ednh, ray tr\u01b0\u1ee3t, d\u1ee5ng c\u1ee5 \u0111\u1ec3 c\u00e1n ngu\u1ed9i v\u00e0 n\u00f3ng, khu\u00f4n d\u1eadp v\u00e0 \u0111\u1ed9t l\u1ed7 \u0111\u1ec3 k\u00e9o s\u00e2u, xi lanh b\u01a1m, c\u00f4ng c\u1ee5 phay v\u00e0 khoan (dao phay, m\u0169i khoan\u2026);<\/li><li>Luy\u1ec7n kim b\u1ed9t &#8211; b\u00e1nh r\u0103ng, \u1ed1ng l\u00f3t, v\u00f2ng \u0111\u1ed3ng b\u1ed9;<\/li><li>K\u1ef9 thu\u1eadt \u0111i\u1ec7n &#8211; tuabin, tr\u1ee5c, tr\u1ee5c quay, b\u00e1nh r\u0103ng.<\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>B\u1ea2NG TH\u00d4NG S\u1ed0 THAM KH\u1ea2O K\u1ebeT QU\u1ea2 TH\u1ea4M PLASMA<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"676\" src=\"https:\/\/imetrade.com\/wp-content\/uploads\/2022\/10\/thongsoxuli-1024x676.png\" alt=\"\" class=\"wp-image-353\" srcset=\"https:\/\/imetrade.com\/wp-content\/uploads\/2022\/10\/thongsoxuli-1024x676.png 1024w, https:\/\/imetrade.com\/wp-content\/uploads\/2022\/10\/thongsoxuli-300x198.png 300w, https:\/\/imetrade.com\/wp-content\/uploads\/2022\/10\/thongsoxuli-768x507.png 768w, https:\/\/imetrade.com\/wp-content\/uploads\/2022\/10\/thongsoxuli.png 1152w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>KH\u00c1I NI\u1ec6M T\u00f4i th\u1ea5m nit\u01a1 l\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t h\u00f3a h\u1ecdc khu\u1ebfch t\u00e1n c\u00e1c nguy\u00ean t\u1eed nito l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft gi\u00fap t\u0103ng \u0111\u1ed9 tr\u01a1n nh\u1eb5n v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 th\u00edch h\u1ee3p t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/imetrade.com\/?p=352\"> <span class=\"screen-reader-text\">GI\u1edaI THI\u1ec6U KH\u00c1I QU\u00c1T C\u00d4NG NGH\u1ec6 TH\u1ea4M NIT\u01a0 PLASMA<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","ub_ctt_via":"","ghostkit_customizer_options":"","ghostkit_custom_css":"","ghostkit_custom_js_head":"","ghostkit_custom_js_foot":"","ghostkit_typography":"","site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-352","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"featured_image_src":null,"author_info":{"display_name":"imetrade_admin","author_link":"https:\/\/imetrade.com\/?author=1"},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"imetrade_admin","author_link":"https:\/\/imetrade.com\/?author=1"},"uagb_comment_info":22,"uagb_excerpt":"KH\u00c1I NI\u1ec6M T\u00f4i th\u1ea5m nit\u01a1 l\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ec1 m\u1eb7t kim lo\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t h\u00f3a h\u1ecdc khu\u1ebfch t\u00e1n c\u00e1c nguy\u00ean t\u1eed nito l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf tr\u00ean b\u1ec1 m\u1eb7t chi ti\u1ebft gi\u00fap t\u0103ng \u0111\u1ed9 tr\u01a1n nh\u1eb5n v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 th\u00edch h\u1ee3p t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t&hellip;","_links":{"self":[{"href":"https:\/\/imetrade.com\/index.php?rest_route=\/wp\/v2\/posts\/352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/imetrade.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/imetrade.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/imetrade.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/imetrade.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=352"}],"version-history":[{"count":1,"href":"https:\/\/imetrade.com\/index.php?rest_route=\/wp\/v2\/posts\/352\/revisions"}],"predecessor-version":[{"id":354,"href":"https:\/\/imetrade.com\/index.php?rest_route=\/wp\/v2\/posts\/352\/revisions\/354"}],"wp:attachment":[{"href":"https:\/\/imetrade.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/imetrade.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/imetrade.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}