{"id":18367,"date":"2019-12-05T06:30:14","date_gmt":"2019-12-05T06:30:14","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13859"},"modified":"2020-05-07T01:14:49","modified_gmt":"2020-05-07T01:14:49","slug":"whats-vital-to-the-selection-of-tungsten-carbide-parts","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/whats-vital-to-the-selection-of-tungsten-carbide-parts\/","title":{"rendered":"\u0110i\u1ec1u g\u00ec quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c b\u1ed9 ph\u1eadn cacbua vonfram"},"content":{"rendered":"
Tham kh\u1ea3o Ch\u1ec9 s\u1ed1 v\u1eadt li\u1ec7u cacbua c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 c\u00e1c lo\u1ea1i cacbua, s\u1ea3n xu\u1ea5t cacbua v\u00e0 c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c C\u00e1c b\u00e0i vi\u1ebft li\u00ean quan \u0111\u1ebfn cacbua.<\/p>\n\n\n\n
L\u00e0 m\u1ed9t c\u00f4ng ty \u0111\u00e3 s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn cacbua xi m\u0103ng trong 12 n\u0103m, ch\u00fang t\u00f4i quy\u1ebft \u0111\u1ecbnh cung c\u1ea5p th\u00eam th\u00f4ng tin h\u1ed7 tr\u1ee3 \u0111\u1ec3 gi\u00fap nhi\u1ec1u ng\u01b0\u1eddi mu\u1ed1n bi\u1ebft th\u00eam v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m cacbua xi m\u0103ng. Th\u00f4ng qua chia s\u1ebb c\u1ee7a ch\u00fang t\u00f4i, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c s\u1ea3n ph\u1ea9m cacbua xi m\u0103ng v\u00e0 m\u1ed9t nguy\u00ean t\u1eafc chung cho l\u1ef1a ch\u1ecdn c\u1ee7a h\u1ecd.<\/p>\n\n\n\n
C\u00f3 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c quan t\u00e2m, \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n
\u0110\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n g\u00e3y, \u0111\u1ed9 b\u1ec1n kh\u1edfi \u0111\u1ed9ng g\u00e3y, \u0111\u1ed9 b\u1ec1n lan truy\u1ec1n g\u00e3y, \u0111\u1ed9 b\u1ec1n g\u00e3y c\u1ea1nh, ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng \u0103n m\u00f2n, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 s\u1eafc n\u00e9t v\u00e0 b\u1ea3o l\u01b0u c\u1ea1nh.<\/p>\n\n\n\n
V\u00e0 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn cacbua c\u1ee7a b\u1ea1n,<\/p>\n\n\n\n
K\u1ef9 thu\u1eadt nh\u1ecf g\u1ecdn, Lo\u1ea1i ch\u1ea5t k\u1ebft d\u00ednh, H\u00e0m l\u01b0\u1ee3ng Coban, K\u00edch th\u01b0\u1edbc h\u1ea1t, C\u00e1ch tr\u1ed9n nguy\u00ean li\u1ec7u, K\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t <\/p>\n\n\n\n
Ch\u00fang ta \u0111ang n\u00f3i v\u1ec1 cacbua xi m\u0103ng. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ea1t cacbua vonfram k\u1ebft h\u1ee3p b\u1edfi coban. Cobalt l\u00e0 ch\u1ea5t k\u1ebft d\u00ednh. H\u00e0m l\u01b0\u1ee3ng coban c\u00e0ng cao, l\u1edbp c\u00e0ng m\u1ec1m v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u00e0ng m\u1ea1nh. N\u1ebfu h\u00e0m l\u01b0\u1ee3ng coban \u00edt h\u01a1n, \u0111\u1ed9 m\u00f2n t\u1ed1t h\u01a1n, nh\u01b0ng c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng b\u1ecb ph\u00e1 v\u1ee1 khi ch\u00fang b\u1ecb t\u00e1c \u0111\u1ed9ng. N\u00f3i chung, khi h\u00e0m l\u01b0\u1ee3ng coban th\u1ea5p nh\u1ea5t, coban 2% v\u00e0 coban 20% nhi\u1ec1u nh\u1ea5t, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t ph\u1ea7n kh\u00f3 ph\u00e1 v\u1ee1 h\u01a1n, nh\u01b0ng n\u00f3 c\u0169ng s\u1ebd m\u00f2n nhanh h\u01a1n.<\/p>\n\n\n\n
Nhi\u1ec1u coban h\u01a1n c\u00f3 ngh\u0129a l\u00e0 n\u00f3 s\u1ebd kh\u00f3 b\u1ecb ph\u00e1 v\u1ee1 h\u01a1n, nh\u01b0ng n\u00f3 c\u0169ng s\u1ebd m\u00f2n nhanh h\u01a1n.<\/p>\n\n\n\n
N\u00f3i chung, h\u00e0m l\u01b0\u1ee3ng coban c\u00e0ng cao, cacbua vonfram c\u00e0ng kh\u00f3 b\u1ecb ph\u00e1 v\u1ee1<\/p>\n\n\n\n
C\u00e1c cacbua vonfram \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c h\u1ea1t cacbua vonfram trong li\u00ean k\u1ebft coban. Cobalt m\u1ec1m h\u01a1n c\u00e1c h\u1ea1t cacbua vonfram, do \u0111\u00f3 h\u00e0m l\u01b0\u1ee3ng coban c\u00e0ng cao th\u00ec v\u1eadt li\u1ec7u t\u1ed5ng th\u1ec3 c\u00e0ng m\u1ec1m. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ho\u1eb7c kh\u00f4ng li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng c\u1ee7a t\u1eebng h\u1ea1t.<\/p>\n\n\n\n
C\u00e1c h\u1ea1t nh\u1ecf h\u01a1n s\u1ebd t\u1ea1o ra s\u1ef1 m\u00e0i m\u00f2n t\u1ed1t h\u01a1n v\u00e0 c\u00e1c h\u1ea1t l\u1edbn h\u01a1n s\u1ebd t\u1ea1o ra kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp t\u1ed1t h\u01a1n. Cacbua vonfram v\u1edbi c\u00e1c h\u1ea1t si\u00eau m\u1ecbn c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, trong khi c\u00e1c h\u1ea1t si\u00eau th\u00f4 th\u00edch h\u1ee3p nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng hao m\u00f2n v\u00e0 va \u0111\u1eadp c\u1ef1c k\u1ef3 nghi\u00eam tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 cacbua xi m\u0103ng nh\u01b0 ch\u00fang ta g\u1ecdi. \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i h\u1ea1t cacbua vonfram k\u1ebft h\u1ee3p v\u1edbi coban. Cobalt l\u00e0 ch\u1ea5t k\u1ebft d\u00ednh. H\u00e0m l\u01b0\u1ee3ng coban cao h\u01a1n, nh\u00e3n hi\u1ec7u m\u1ec1m h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp m\u1ea1nh h\u01a1n .. N\u00f3i chung, khi h\u00e0m l\u01b0\u1ee3ng coban th\u1ea5p nh\u1ea5t, l\u00ean \u0111\u1ebfn 2% v\u00e0 20%, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t ph\u1ea7n kh\u00f3 ph\u00e1 v\u1ee1 h\u01a1n, nh\u01b0ng n\u00f3 c\u0169ng s\u1ebd m\u00f2n nhanh h\u01a1n.<\/p>\n\n\n\n
Nhi\u1ec1u coban h\u01a1n c\u00f3 ngh\u0129a l\u00e0 n\u00f3 s\u1ebd kh\u00f3 b\u1ecb ph\u00e1 v\u1ee1 h\u01a1n, nh\u01b0ng n\u00f3 c\u0169ng s\u1ebd m\u00f2n nhanh h\u01a1n.<\/p>\n\n\n\n
N\u00f3i chung, h\u00e0m l\u01b0\u1ee3ng coban c\u00e0ng cao, cacbua vonfram c\u00e0ng kh\u00f3 b\u1ecb ph\u00e1 v\u1ee1<\/p>\n\n\n\n
C\u00e1c cacbua vonfram \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c h\u1ea1t cacbua vonfram trong li\u00ean k\u1ebft coban. Cobalt m\u1ec1m h\u01a1n c\u00e1c h\u1ea1t cacbua vonfram, do \u0111\u00f3 h\u00e0m l\u01b0\u1ee3ng coban c\u00e0ng cao th\u00ec v\u1eadt li\u1ec7u t\u1ed5ng th\u1ec3 c\u00e0ng m\u1ec1m. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ho\u1eb7c kh\u00f4ng li\u00ean quan \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng c\u1ee7a t\u1eebng h\u1ea1t.<\/p>\n\n\n\n