{"id":13555,"date":"2019-07-13T02:18:34","date_gmt":"2019-07-13T02:18:34","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13555"},"modified":"2020-05-07T01:41:50","modified_gmt":"2020-05-07T01:41:50","slug":"what-should-you-know-about-brazing-of-carbide-brazed-tools","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/what-should-you-know-about-brazing-of-carbide-brazed-tools\/","title":{"rendered":"B\u1ea1n n\u00ean bi\u1ebft g\u00ec v\u1ec1 h\u00e0n c\u00e1c c\u00f4ng c\u1ee5 h\u00e0n b\u1eb1ng cacbua"},"content":{"rendered":"

C\u00e1c s\u1ea3n ph\u1ea9m ch\u00ednh c\u1ea7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u00e0n c\u00e1c c\u00f4ng c\u1ee5 h\u00e0n cacbua l\u00e0 c\u1ea5u tr\u00fac l\u01b0\u1ee1ng kim c\u1ee7a d\u1ee5ng c\u1ee5 c\u1eaft, d\u1ee5ng c\u1ee5 \u0111o, khu\u00f4n v\u00e0 d\u1ee5ng c\u1ee5 \u0111\u00e0o. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea5u tr\u00fac l\u01b0\u1ee1ng kim n\u00e0y l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1eaft c\u1ee7a n\u00f3 l\u00e0 cacbua xi m\u0103ng, v\u00e0 ma tr\u1eadn l\u00e0 th\u00e9p carbon ho\u1eb7c th\u00e9p h\u1ee3p kim th\u1ea5p, th\u01b0\u1eddng l\u00e0 th\u00e9p carbon trung b\u00ecnh. M\u1ed9t c\u1ea5u tr\u00fac l\u01b0\u1ee1ng kim c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t c\u1ef1c l\u1edbn t\u00e1c \u0111\u1ed9ng l\u00ean lo\u1ea1i ph\u00f4i n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u01b0\u1edbi c\u00e1c l\u1ef1c n\u00e9n, va \u0111\u1eadp ho\u1eb7c t\u1ea3i tr\u1ecdng xen k\u1ebd. H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 h\u00e0n cacbua \u0111\u01b0\u1ee3c h\u00e0n v\u1edbi ma tr\u1eadn th\u00e9p carbon trung b\u00ecnh ho\u1eb7c th\u00e9p h\u1ee3p kim th\u1ea5p. Qu\u00e1 tr\u00ecnh h\u00e0n c\u00f3 li\u00ean quan ch\u1eb7t ch\u1ebd \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a cacbua xi m\u0103ng, v\u00e0 hi\u1ec7u su\u1ea5t h\u00e0n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng c\u1ee7a cacbua xi m\u0103ng.<\/p>

C\u00e1c cacbua xi m\u0103ng ch\u1ee9a m\u1ed9t h\u00e0m l\u01b0\u1ee3ng cao c\u00e1c cacbua v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00e0n, ch\u00fang d\u1ec5 b\u1ecb c\u1ea5u tr\u00fac v\u00e0 c\u00e1c v\u1ebft n\u1ee9t trong qu\u00e1 tr\u00ecnh h\u00e0n. C\u00e1c bi\u1ec7n ph\u00e1p c\u00f4ng ngh\u1ec7 h\u1ea1n ch\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c th\u00f4ng qua \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed1i h\u00e0n th\u1ecfa \u0111\u00e1ng. M\u1ed9t l\u00fd do kh\u00e1c cho s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i h\u00e0n c\u00f4ng c\u1ee5 h\u00e0n cacbua l\u00e0 c\u00f4ng c\u1ee5 h\u00e0n cacbua c\u00f3 nh\u1eefng thi\u1ebfu s\u00f3t v\u1ec1 \u0111\u1ed9 gi\u00f2n cao, \u0111\u1ed9 b\u1ec1n k\u00e9m v\u00e0 gi\u00e1 cao.<\/p>

<\/p>

\u0110\u1eb7c t\u00ednh h\u00e0n c\u1ee7a c\u00f4ng c\u1ee5 h\u00e0n cacbua<\/h2>

M\u1ed1i quan h\u1ec7 gi\u1eefa h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh v\u00e0 v\u1ebft n\u1ee9t h\u00e0n<\/h3>
\"h\u1ec7<\/figure>

C\u00f4ng c\u1ee5 h\u00e0n cacbua trong c\u00e1c m\u1ed1i h\u00e0n c\u00f4ng c\u1ee5 h\u00e0n cacbua c\u00f3 th\u00e0nh ph\u1ea7n nh\u1ecf v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u00ean v\u1eadt li\u1ec7u h\u1ed7 tr\u1ee3 b\u1eb1ng th\u00e9p t\u01b0\u01a1ng \u0111\u1ed1i d\u00e0y. H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a c\u00f4ng c\u1ee5 h\u00e0n cacbua l\u00e0 401-7.0 * 10, kh\u00e1 kh\u00e1c bi\u1ec7t so v\u1edbi th\u00e9p th\u00f4ng th\u01b0\u1eddng. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a c\u00f4ng c\u1ee5 h\u00e0n cacbua v\u00e0 th\u00e9p s\u1ebd g\u00e2y ra \u1ee9ng su\u1ea5t l\u1edbn khi \u0111\u01b0\u1eddng may \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t. C\u1ea3 hai c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng th\u00e9p v\u00e0 th\u00e9p m\u1edf r\u1ed9ng t\u1ef1 do khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, nh\u01b0ng \u0111\u1ed9 co r\u00fat c\u1ee7a th\u00e9p l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng cacbua khi \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, m\u1ed1i h\u00e0n ph\u1ea3i ch\u1ecbu \u1ee9ng su\u1ea5t n\u00e9n trong khi b\u1ec1 m\u1eb7t c\u1ee7a d\u1ee5ng c\u1ee5 h\u00e0n cacbua ch\u1ecbu \u1ee9ng su\u1ea5t k\u00e9o. N\u1ebfu \u1ee9ng su\u1ea5t d\u01b0 l\u1edbn h\u01a1n y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t c\u1ee7a cacbua xi m\u0103ng, v\u1ebft n\u1ee9t c\u00f3 th\u1ec3 x\u1ea3y ra tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a cacbua xi m\u0103ng, \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra v\u1ebft n\u1ee9t trong c\u00f4ng c\u1ee5 h\u00e0n b\u1eb1ng cacbua.<\/p>

T\u00e1c d\u1ee5ng c\u1ee7a c\u0103ng th\u1eb3ng h\u00e0n<\/h3>
\"T\u00e1c<\/figure>

C\u0103ng th\u1eb3ng c\u00f2n l\u1ea1i trong khu v\u1ef1c h\u00e0n l\u00e0 m\u1ed1i nguy hi\u1ec3m ti\u1ec1m t\u00e0ng. M\u1eb7c d\u00f9 v\u1ebft n\u1ee9t c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y ngay sau khi h\u00e0n, nh\u01b0ng ch\u00fang d\u1ec5 x\u1ea3y ra trong qu\u00e1 tr\u00ecnh m\u00e0i, l\u01b0u tr\u1eef ho\u1eb7c s\u1eed d\u1ee5ng sau \u0111\u00f3, d\u1eabn \u0111\u1ebfn ph\u1ebf li\u1ec7u c\u00f4ng c\u1ee5. Di\u1ec7n t\u00edch h\u00e0n c\u1ee7a cacbua xi m\u0103ng c\u00e0ng l\u1edbn th\u00ec \u1ee9ng su\u1ea5t h\u00e0n c\u00e0ng l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng b\u1ecb n\u1ee9t c\u00e0ng l\u1edbn.<\/p>

Trong qu\u00e1 tr\u00ecnh h\u00e0n c\u00e1c d\u1ee5ng c\u1ee5 c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng cacbua, c\u00e1c bi\u1ec7n ph\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u1ee9ng su\u1ea5t h\u00e0n, nh\u01b0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 h\u00e0n, l\u00e0m n\u00f3ng s\u01a1 b\u1ed9 v\u00e0 l\u00e0m l\u1ea1nh t\u1eeb t\u1eeb tr\u01b0\u1edbc khi h\u00e0n, ch\u1ecdn kim lo\u1ea1i \u0111\u1ed9n nh\u1ef1a, th\u00eam c\u00e1c mi\u1ebfng \u0111\u1ec7m b\u00f9 v\u00e0 c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac kh\u1edbp. H\u00e0n l\u1edbn di\u1ec7n t\u00edch xi m\u0103ng cacbua<\/p>

C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1eb7c bi\u1ec7t n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 gi\u1ea3m c\u0103ng th\u1eb3ng h\u00e0n v\u00e0 ng\u0103n ch\u1eb7n s\u1ea3n xu\u1ea5t v\u1ebft n\u1ee9t, b\u1ea5t k\u1ec3 s\u1ee9c m\u1ea1nh.<\/p>

Oxy h\u00f3a khi h\u00e0n cacbua<\/h3>
\"Oxy<\/figure>

Khi d\u1ee5ng c\u1ee5 h\u00e0n cacbua \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn h\u01a1n 800 \u0111\u1ed9 C trong kh\u00f4ng kh\u00ed, b\u1ec1 m\u1eb7t c\u1ee7a d\u1ee5ng c\u1ee5 h\u00e0n cacbua b\u1eaft \u0111\u1ea7u b\u1ecb oxy h\u00f3a t\u1ea1o th\u00e0nh l\u1edbp oxit l\u1ecfng, k\u00e8m theo hi\u1ec7n t\u01b0\u1ee3ng kh\u1eed cacbon. Khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ebfn 950 \u0111\u1ed9 C \u0111\u1ebfn 1100 \u0111\u1ed9 C, l\u1edbp b\u1ec1 m\u1eb7t c\u1ee7a d\u1ee5ng c\u1ee5 h\u00e0n cacbua s\u1ebd tr\u1ea3i qua qu\u00e1 tr\u00ecnh oxy h\u00f3a nhanh, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a cacbua xi m\u0103ng. Phim oxy h\u00f3a. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a l\u1edbp oxit tr\u00ean b\u1ec1 m\u1eb7t d\u1ee5ng c\u1ee5 h\u00e0n cacbua c\u0169ng l\u00e0m gi\u1ea3m \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u1ed1i h\u00e0n. Do \u0111\u00f3, c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng oxy h\u00f3a trong c\u00e1c ph\u1ea7n h\u00e0n c\u1ee7a cacbua xi m\u0103ng, \u0111\u00e2y l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n.<\/p>

<\/p>

Ph\u01b0\u01a1ng ph\u00e1p h\u00e0n c\u1ee7a c\u00f4ng c\u1ee5 h\u00e0n cacbua v\u00e0 th\u00e9p<\/h2>

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p h\u00e0n ch\u00ednh c\u1ee7a c\u00f4ng c\u1ee5 v\u00e0 th\u00e9p h\u00e0n cacbua l\u00e0 h\u00e0n ng\u1ecdn l\u1eeda oxy-axetylen, h\u00e0n c\u1ea3m \u1ee9ng t\u1ea7n s\u1ed1 cao, h\u00e0n \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac v\u00e0 h\u00e0n trong l\u00f2 s\u01b0\u1edfi.<\/p>

Oxy-axetylen h\u00e0n<\/h3>

\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. C\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh h\u00e0n b\u1eb1ng c\u00f4ng c\u1ee5 h\u00e0n b\u1eb1ng cacbua v\u1edbi thi\u1ebft b\u1ecb oxy-axetylen th\u00f4ng th\u01b0\u1eddng m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t. C\u00f4ng c\u1ee5 h\u00e0n cacbua ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t h\u1ee3p l\u00fd v\u00e0 quy tr\u00ecnh th\u00edch h\u1ee3p theo \u0111\u1eb7c t\u00ednh c\u1ee7a ng\u1ecdn l\u1eeda oxy-axetylen. H\u00e0n ng\u1ecdn l\u1eeda oxy-axetylen th\u00edch h\u1ee3p cho c\u00e1c c\u00f4ng c\u1ee5 c\u1eaft, h\u00e0n v\u00e0 d\u1ee5ng c\u1ee5 \u0111o b\u1eb1ng cacbua c\u1ee1 v\u1eeba v\u00e0 nh\u1ecf, c\u0169ng nh\u01b0 \u0111\u1ec3 s\u1eeda ch\u1eefa c\u00e1c c\u00f4ng c\u1ee5 khai th\u00e1c c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c h\u00e0n b\u1eb1ng cacbua b\u1ecb h\u01b0 h\u1ecfng trong l\u0129nh v\u1ef1c n\u00e0y.<\/p>

\"Oxy-axetylen<\/figure>

Nhi\u1ec7t \u0111\u1ed9 l\u00f5i c\u1ee7a ng\u1ecdn l\u1eeda oxy-axetylen cao kho\u1ea3ng 3000 C. Khi h\u00e0n \u0111\u01b0\u1ee3c nung n\u00f3ng, n\u00ean tr\u00e1nh phun c\u00f4ng c\u1ee5 h\u00e0n cacbua tr\u1ef1c ti\u1ebfp t\u1eeb l\u00f5i, \u0111\u1ec3 tr\u00e1nh b\u1ecb n\u1ee9t do nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao. Tr\u01b0\u1edbc khi h\u00e0n, kim lo\u1ea1i ph\u1ee5, kim lo\u1ea1i ph\u1ee5 v\u00e0 d\u1ee5ng c\u1ee5 h\u00e0n cacbua l\u1ea7n l\u01b0\u1ee3t \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0 ng\u1ecdn l\u1eeda kh\u1eed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m n\u00f3ng tr\u01b0\u1edbc ph\u1ea7n c\u01a1 s\u1edf g\u1ea7n cacbua xi m\u0103ng.<\/p>

 H\u00e0n c\u1ea3m \u1ee9ng t\u1ea7n s\u1ed1 cao<\/h3>
\"<\/figure>

Trong qu\u00e1 tr\u00ecnh h\u00e0n c\u1ea3m \u1ee9ng t\u1ea7n s\u1ed1 cao, vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng s\u01b0\u1edfi \u1ea5m c\u1ea3m \u1ee9ng t\u1ea7n s\u1ed1 cao v\u1edbi t\u1ea7n s\u1ed1 600 kHz v\u00e0 c\u00f4ng su\u1ea5t trong kho\u1ea3ng t\u1eeb 10 \u0111\u1ebfn 100 kW s\u1ebd t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n t\u1ea7n s\u1ed1 cao. Khi d\u00f2ng \u0111i\u1ec7n t\u1ea7n s\u1ed1 cao \u0111i qua cu\u1ed9n c\u1ea3m, t\u1eeb tr\u01b0\u1eddng xoay chi\u1ec1u t\u1ea7n s\u1ed1 cao \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0 d\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng c\u0169ng \u0111\u01b0\u1ee3c t\u1ea1o ra trong kim lo\u1ea1i h\u00e0n c\u1ee7a cu\u1ed9n c\u1ea3m. T\u1ed1c \u0111\u1ed9 l\u00e0m n\u00f3ng t\u1ea7n s\u1ed1 cao r\u1ea5t nhanh. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao trong m\u1ed9t th\u1eddi gian r\u1ea5t ng\u1eafn \u0111\u1ec3 l\u00e0m tan ch\u1ea3y ch\u1ea5t h\u00e0n. C\u00e1c cu\u1ed9n c\u1ea3m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u00e0n c\u1ea3m \u1ee9ng t\u1ea7n s\u1ed1 cao h\u1ea7u h\u1ebft \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng \u1ed1ng \u0111\u1ed3ng c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 5 \u0111\u1ebfn 10 mm. Vi\u1ec7c h\u00ecnh h\u1ecdc v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a cu\u1ed9n c\u1ea3m c\u00f3 ph\u00f9 h\u1ee3p hay kh\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 gia nhi\u1ec7t, \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u nhi\u1ec7t \u0111\u1ed9, hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n c\u1ee7a qu\u00e1 tr\u00ecnh h\u00e0n c\u1ea3m \u1ee9ng t\u1ea7n s\u1ed1 cao.<\/p>

Li\u00ean h\u1ec7 h\u00e0n<\/h3>
\"Li\u00ean<\/figure>

\u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u00e1y h\u00e0n ho\u1eb7c m\u00e1y h\u00e0n m\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1eb7c bi\u1ec7t cho m\u00e1y c\u1eaft cacbua h\u00e0n. \u0110i\u1ec7n \u00e1p cu\u1ed9n th\u1ee9 c\u1ea5p c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p h\u00e0n nh\u1ecf h\u01a1n 36V v\u00e0 d\u00f2ng \u0111i\u1ec7n tr\u00ean 1000A. Khi h\u00e0n, ph\u00f4i \u0111\u01b0\u1ee3c k\u1eb9p gi\u1eefa hai \u0111i\u1ec7n c\u1ef1c \u0111\u1ed3ng. Khi d\u00f2ng \u0111i\u1ec7n m\u1ea1nh t\u1eeb cu\u1ed9n th\u1ee9 c\u1ea5p \u0111i qua ph\u00f4i h\u00e0n, nhi\u1ec7t sinh ra b\u1edfi \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac gi\u1eefa d\u1ee5ng c\u1ee5 h\u00e0n cacbua v\u00e0 ma tr\u1eadn th\u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ngu\u1ed3n nhi\u1ec7t h\u00e0n \u0111\u1ec3 l\u00e0m n\u00f3ng ch\u1ea3y kim lo\u1ea1i h\u00e0n.<\/p>

\u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 kh\u00eda c\u1ea1nh c\u1ee7a h\u00e0n cacbua h\u00e0n v\u00e0 ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb lo\u1ea1i th\u00f4ng tin n\u00e0y. m\u1ed7i tu\u1ea7n. Ki\u1ec3m to\u00e1n quan t\u00e2m \u0111\u1ebfn lo\u1ea1i n\u1ed9i dung n\u00e0y xin vui l\u00f2ng \u0111\u0103ng k\u00fd v\u00e0o ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u1ecdc h\u00e0ng tu\u1ea7n. C\u1ea3m \u01a1n r\u00e2t nhi\u1ec1u.<\/p><\/div>","protected":false},"excerpt":{"rendered":"

The main products that need to be used for brazing carbide brazed tools are the bimetallic structure of cutting tools, measuring tools, dies and excavation tools. The characteristic of this bimetallic structure is that its cutting parts are cemented carbide, and the matrix is carbon steel or low alloy steel, usually medium carbon steel. A…<\/p>","protected":false},"author":2,"featured_media":19459,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-13555","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2019\/07\/1-3.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13555","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/comments?post=13555"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/13555\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/19459"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=13555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=13555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=13555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}