{"id":20442,"date":"2021-03-09T06:35:47","date_gmt":"2021-03-09T06:35:47","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=20442"},"modified":"2021-03-09T06:36:32","modified_gmt":"2021-03-09T06:36:32","slug":"non-metallic-inclusions-in-steel-and-methods-to-identify-them","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/phi-kim-loai-bao-trong-thep-va-phuong-phap-xac-dinh-chung\/","title":{"rendered":"C\u00e1c ch\u1ea5t phi kim lo\u1ea1i trong th\u00e9p v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh ch\u00fang"},"content":{"rendered":"
T\u1ea1p ch\u1ea5t phi kim lo\u1ea1i ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb c\u00e1c lo\u1ea1i h\u1ee3p ch\u1ea5t phi kim lo\u1ea1i kh\u00e1c nhau \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh do s\u1ef1 gia t\u0103ng t\u01b0\u01a1ng \u1ee9ng c\u1ee7a c\u00e1c h\u1eb1ng s\u1ed1 c\u00e2n b\u1eb1ng c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t oxy, l\u01b0u hu\u1ef3nh v\u00e0 nit\u01a1 trong qu\u00e1 tr\u00ecnh ng\u01b0ng t\u1ee5 th\u00e9p l\u1ecfng. C\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1edfi ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc n\u00ean \u0111\u01b0\u1ee3c g\u1ecdi t\u1eaft l\u00e0 bao g\u1ed3m ho\u1eb7c bao g\u1ed3m phi kim lo\u1ea1i. M\u1eb7c d\u00f9 l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t trong th\u00e9p \u00edt nh\u01b0ng \u1ea3nh h\u01b0\u1edfng kh\u00f4ng t\u1ed1t \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng nguy\u00ean li\u1ec7u v\u00e0 s\u1ea3n ph\u1ea9m th\u00e9p. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i, y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng th\u00e9p ng\u00e0y c\u00e0ng kh\u1eaft khe. Do \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u s\u00e2u v\u1ec1 t\u1ea1p ch\u1ea5t phi kim lo\u1ea1i s\u1ebd c\u00f3 \u00fd ngh\u0129a l\u1edbn \u0111\u1ed1i v\u1edbi vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u1eadt li\u1ec7u, ph\u00e2n t\u00edch \u0111\u1ee9t g\u00e3y s\u1ea3n ph\u1ea9m, ph\u00e2n t\u00edch ph\u1ebf li\u1ec7u v\u00e0 ph\u00e2n t\u00edch h\u01b0 h\u1ecfng.<\/p>\n\n\n\n
C\u00e1c t\u1ea1p ch\u1ea5t ch\u1ee7 y\u1ebfu l\u00e0 do m\u1ed9t lo\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y v\u00e0 h\u00f3a r\u1eafn c\u1ee7a th\u00e9p. Theo c\u00e1c ngu\u1ed3n c\u1ee7a ch\u00fang, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c th\u1ec3 v\u00f9i n\u1ed9i sinh (b\u00ean trong) v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t ngo\u1ea1i sinh (b\u00ean ngo\u00e0i).<\/p>\n\n\n\n
bao g\u1ed3m n\u1ed9i sinh<\/p>\n\n\n\n
T\u1ea1p ch\u1ea5t n\u1ed9i sinh \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u kh\u00e1c nhau trong qu\u00e1 tr\u00ecnh luy\u1ec7n th\u00e9p, \u0111\u00fac v\u00e0 ng\u01b0ng t\u1ee5, ho\u1eb7c s\u1ef1 ti\u1ebfp x\u00fac gi\u1eefa th\u00e9p v\u00e0 b\u1ea7u kh\u00f4ng kh\u00ed ho\u1eb7c v\u1eadt ch\u1ee9a trong l\u00f2, ho\u1eb7c c\u00e1c h\u1ea1t k\u1ebft t\u1ee7a do gi\u1ea3m kh\u1ea3 n\u0103ng h\u00f2a tan khi nhi\u1ec7t \u0111\u1ed9 ng\u01b0ng t\u1ee5 c\u1ee7a th\u00e9p l\u1ecfng gi\u1ea3m.<\/p>\n\n\n\n
bao g\u1ed3m n\u01b0\u1edbc ngo\u00e0i<\/p>\n\n\n\n
S\u1ef1 h\u00f2a nh\u1eadp n\u01b0\u1edbc ngo\u00e0i c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 h\u00f2a nh\u1eadp b\u00ean ngo\u00e0i ho\u1eb7c s\u1ef1 h\u00f2a nh\u1eadp t\u00ecnh c\u1edd. \u0110\u00f3 l\u00e0 do qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t n\u1ea5u ch\u1ea3y, \u0111\u00fac, t\u1eeb thi\u1ebft b\u1ecb ho\u1eb7c th\u00f9ng ch\u1ee9a b\u1ecb bong ra v\u00e0 tr\u1ed9n l\u1eabn v\u00e0o th\u00e9p l\u1ecfng c\u00e1c t\u1ea1p ch\u1ea5t. Ngo\u00e0i ra, \u0111\u00f4i khi do s\u01a1 su\u1ea5t trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y, g\u1ea1ch ch\u1ecbu l\u1eeda b\u1ecb n\u1ee9t v\u00e0 r\u01a1i ra do t\u00e1c \u0111\u1ed9ng nhi\u1ec7t, t\u1ea1o th\u00e0nh s\u1ea3n ph\u1ea9m v\u1edbi c\u00e1c lo\u1ea1i \u00f4x\u00edt kh\u00e1c v\u00e0 tr\u1edf th\u00e0nh t\u1ea1p ch\u1ea5t l\u1ea1.<\/p>\n\n\n\n