{"id":21295,"date":"2022-08-06T16:03:34","date_gmt":"2022-08-06T08:03:34","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=21295"},"modified":"2022-08-06T16:03:39","modified_gmt":"2022-08-06T08:03:39","slug":"8-powder-metallurgy-manufacturing-processes-in-common-use","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/vi\/8-bot-luyen-kim-san-xuat-quy-trinh-su-dung-chung\/","title":{"rendered":"8 Quy tr\u00ecnh s\u1ea3n xu\u1ea5t luy\u1ec7n kim b\u1ed9t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn"},"content":{"rendered":"

Luy\u1ec7n kim b\u1ed9t ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb, c\u00f4ng nghi\u1ec7p kim lo\u1ea1i, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, c\u00f4ng nghi\u1ec7p qu\u00e2n s\u1ef1, thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c, c\u00f4ng c\u1ee5 ph\u1ea7n c\u1ee9ng, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>

\"\"<\/figure>

B\u1ed9t kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong luy\u1ec7n kim b\u1ed9t bao g\u1ed3m s\u1eaft, \u0111\u1ed3ng, nh\u00f4m v\u00e0 c\u00e1c h\u1ee3p kim c\u1ee7a ch\u00fang. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t v\u00e0 kh\u00ed kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1% ~ 2%, v\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 5 \u03bcm \uff5e 10 \u03bcm. N\u1ebfu kh\u00f4ng, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng. D\u1ea1ng h\u00ecnh h\u1ecdc bi\u1ec3u ki\u1ebfn c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t. Nh\u1eefng c\u00e1i ph\u1ed5 bi\u1ebfn l\u00e0 h\u00ecnh c\u1ea7u, d\u1ea1ng c\u1ed9t, d\u1ea1ng kim, d\u1ea1ng t\u1ea5m v\u00e0 d\u1ea1ng t\u1ea5m, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch quan s\u00e1t d\u01b0\u1edbi k\u00ednh hi\u1ec3n vi.<\/p>

1. H\u1ed3 quang n\u00f3ng ch\u1ea3y trong<\/h2>

H\u1ed3 quang c\u1ee7a h\u1ed3 quang n\u00f3ng ch\u1ea3y tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c t\u1ea1o ra gi\u1eefa thanh \u0111i\u1ec7n c\u1ef1c v\u00e0 \u0111i\u1ec7n t\u00edch n\u00f3ng ch\u1ea3y, v\u00e0 \u0111i\u1ec7n t\u00edch b\u1ecb h\u1ed3 quang \u0111\u1ed1t n\u00f3ng v\u00e0 n\u00f3ng ch\u1ea3y tr\u1ef1c ti\u1ebfp<\/p>

\"\"<\/figure>

2. M\u00e1y nghi\u1ec1n b\u1ed9t nguy\u00ean t\u1eed n\u01b0\u1edbc \u00e1p su\u1ea5t c\u1ef1c cao<\/h2>

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb nghi\u1ec1n nguy\u00ean t\u1eed n\u01b0\u1edbc si\u00eau cao \u00e1p l\u00e0 n\u1ea5u ch\u1ea3y kim lo\u1ea1i ho\u1eb7c h\u1ee3p kim kim lo\u1ea1i trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n. Trong \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7 b\u1eb1ng kh\u00ed, ch\u1ea5t l\u1ecfng kim lo\u1ea1i s\u1ebd b\u1ecb nguy\u00ean t\u1eed h\u00f3a v\u00e0 ph\u00e1 v\u1ee1 th\u00e0nh m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c gi\u1ecdt kim lo\u1ea1i m\u1ecbn b\u1edfi d\u00f2ng n\u01b0\u1edbc \u00e1p su\u1ea5t c\u1ef1c cao qua v\u00f2i phun trong qu\u00e1 tr\u00ecnh ch\u1ea3y xu\u1ed1ng qua \u1ed1ng c\u00e1ch \u0111i\u1ec7n v\u00e0 \u1ed1ng d\u1eabn h\u01b0\u1edbng, trong Qu\u00e1 tr\u00ecnh bay, c\u00e1c gi\u1ecdt m\u1ecbn t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t nh\u1ecf h\u00ecnh c\u1ea7u ho\u1eb7c kh\u00f4ng \u0111\u1ec1u d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng k\u1ebft h\u1ee3p c\u1ee7a s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 l\u00e0m l\u1ea1nh nhanh c\u1ee7a n\u01b0\u1edbc, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch s\u1ea3n xu\u1ea5t b\u1ed9t.<\/p>

\"\"<\/figure>

3. \u1ee6<\/h2>

Vi\u1ec7c \u1ee7 tr\u01b0\u1edbc b\u1ed9t c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m oxit, gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng cacbon v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c, v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ed9t; \u0110\u1ed3ng th\u1eddi, vi\u1ec7c l\u00e0m c\u1ee9ng b\u1ed9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf v\u00e0 c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a b\u1ed9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh. Nhi\u1ec7t \u0111\u1ed9 \u1ee7 th\u01b0\u1eddng l\u00e0 0,5 \u0111\u1ebfn 0,6k nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a kim lo\u1ea1i, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i b\u1ed9t kim lo\u1ea1i. N\u00f3i chung, nhi\u1ec7t \u0111\u1ed9 \u1ee7 c\u1ee7a b\u1ed9t \u0111\u1ed3ng \u0111i\u1ec7n ph\u00e2n l\u00e0 kho\u1ea3ng 300 \u2103, v\u00e0 c\u1ee7a b\u1ed9t s\u1eaft \u0111i\u1ec7n ph\u00e2n ho\u1eb7c b\u1ed9t niken \u0111i\u1ec7n ph\u00e2n l\u00e0 kho\u1ea3ng 700 \u2103, kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 900 \u2103. Qu\u00e1 tr\u00ecnh \u1ee7 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong m\u00f4i tr\u01b0\u1eddng kh\u1eed, v\u00e0 \u0111\u00f4i khi trong m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng ho\u1eb7c kh\u00ed tr\u01a1.<\/p>

\"\"<\/figure>

4. Ch\u1ea5m \u0111i\u1ec3m<\/h2>

Qu\u00e1 tr\u00ecnh ph\u00e2n chia b\u1ed9t th\u00e0nh nhi\u1ec1u c\u1ea5p theo k\u00edch th\u01b0\u1edbc h\u1ea1t. Ph\u00e2n lo\u1ea1i gi\u00fap d\u1ec5 d\u00e0ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t trong qu\u00e1 tr\u00ecnh tr\u1ed9n, \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh. M\u00e0n h\u00ecnh ti\u00eau chu\u1ea9n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n lo\u1ea1i.\"\"<\/p>

5. h\u1ed7n h\u1ee3p<\/h2>

\u0110\u1ec1 c\u1eadp \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u1ed3ng nh\u1ea5t hai ho\u1eb7c nhi\u1ec1u lo\u1ea1i b\u1ed9t v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau. B\u1ed9t ho\u1eb7c h\u1ed7n h\u1ee3p \u0111\u01b0\u1ee3c tr\u1ed9n \u0111\u1ed3ng nh\u1ea5t v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc m\u00e0 kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. Ch\u1ea5t h\u00f3a d\u1ebbo (x\u0103ng, dung d\u1ecbch cao su, parafin, v.v.) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a \u0111\u1ea7m n\u00e9n ho\u1eb7c ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e2n t\u00e1ch c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n b\u1ed9t. Axit k\u1ebdm c\u1ee9ng, molypden disulfide, v.v., ch\u1ea5t b\u00f4i tr\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m ma s\u00e1t gi\u1eefa c\u00e1c h\u1ea1t v\u00e0 gi\u1eefa \u0111\u1ea7m n\u00e9n v\u00e0 th\u00e0nh khu\u00f4n, v\u00e0 ch\u1ea5t b\u00f4i tr\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1ea3m ma s\u00e1t gi\u1eefa c\u00e1c h\u1ea1t v\u00e0 gi\u1eefa \u0111\u1ea7m n\u00e9n v\u1edbi th\u00e0nh khu\u00f4n<\/p>

\"\"<\/figure>

6. \u0110\u1ecbnh h\u00ecnh<\/h2>

\u0110\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i b\u1ed9t th\u00e0nh s\u1ea3n ph\u1ea9m. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh ph\u1ed5 bi\u1ebfn l\u00e0 \u00e9p ch\u1ebft, c\u00e1n, \u0111\u00f9n, \u00e9p \u0111\u1eb3ng \u00e1p, thi\u00eau k\u1ebft bao b\u00ec r\u1eddi, \u0111\u00fac b\u00f9n, v.v.<\/p>

\"\"<\/figure>

7. Thi\u00eau k\u1ebft<\/strong><\/strong><\/h2>

1 \u3001 C\u00e1c ph\u01b0\u01a1ng ph\u00e1p thi\u00eau k\u1ebft kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c nhau v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c nhau. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo th\u00e0nh ph\u1ea7n c\u1ee7a nguy\u00ean li\u1ec7u. Thi\u00eau k\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh thi\u00eau k\u1ebft h\u1ec7 th\u1ed1ng \u0111\u01a1n v\u1ecb, thi\u00eau k\u1ebft pha r\u1eafn \u0111a h\u1ec7 th\u1ed1ng v\u00e0 thi\u00eau k\u1ebft \u0111a pha<\/p>

m\u1ed9t. H\u1ec7 ph\u1ea7n t\u1eed thi\u00eau k\u1ebft pha l\u1ecfng.<\/h3>

H\u1ec7 th\u1ed1ng \u0111\u01a1n v\u1ecb thi\u00eau k\u1ebft th\u01b0\u1eddng kh\u00e1c v\u1edbi kim lo\u1ea1i nguy\u00ean ch\u1ea5t (ch\u1eb3ng h\u1ea1n nh\u01b0 kim lo\u1ea1i ch\u1ecbu l\u1eeda v\u00e0 v\u1eadt li\u1ec7u t\u1eeb m\u1ec1m s\u1eaft nguy\u00ean ch\u1ea5t)<\/p>

b. Qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft pha r\u1eafn \u0111a th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng<\/h3>

Qu\u00e1 tr\u00ecnh thi\u00eau k\u1ebft pha r\u1eafn \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong m\u1ed9t h\u1ec7 th\u1ed1ng thi\u00eau k\u1ebft bao g\u1ed3m hai ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n, trong \u0111\u00f3 nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a th\u00e0nh ph\u1ea7n n\u00f3ng ch\u1ea3y th\u1ea5p th\u1ea5p h\u01a1n ho\u1eb7c b\u1eb1ng nhi\u1ec7t \u0111\u1ed9 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y. Ch\u1eb3ng h\u1ea1n nh\u01b0 Cu Ni, Fe Ni, Cu Au, W-Mo, Ag Au, Fe Cu, W-Ni, Fe-C, Cu-C, Cu-W, Ag-W, v.v.<\/p>

2 N\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p cho \u0103n kh\u00e1c nhau. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh thi\u00eau k\u1ebft li\u00ean t\u1ee5c v\u00e0 thi\u00eau k\u1ebft h\u00e0ng lo\u1ea1t<\/p>

\"\"<\/figure>

8. B\u00e0i x\u1eed l\u00fd tr\u01b0\u1edbc khi luy\u1ec7n kim b\u1ed9t<\/h2>

N\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd th\u00eam sau khi thi\u00eau k\u1ebft ch\u1ea5t n\u00e9n v\u00e0 x\u00e1c \u0111\u1ecbnh xem li\u1ec7u vi\u1ec7c x\u1eed l\u00fd sau c\u00f3 c\u1ea7n thi\u1ebft theo c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a s\u1ea3n ph\u1ea9m hay kh\u00f4ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p sau x\u1eed l\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m \u00e9p l\u1ea1i, ng\u00e2m t\u1ea9m, x\u1eed l\u00fd nhi\u1ec7t, x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 c\u1eaft.<\/p>

m\u1ed9t T\u00e1i nh\u1ea5n<\/h3>

X\u1eed l\u00fd b\u1eb1ng \u00e1p l\u1ef1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 c\u01a1 h\u1ecdc c\u1ee7a c\u01a1 th\u1ec3 thi\u00eau k\u1ebft, bao g\u1ed3m c\u1ea3 vi\u1ec7c ho\u00e0n thi\u1ec7n v\u00e0 t\u1ea1o h\u00ecnh. Ho\u00e0n thi\u1ec7n l\u00e0 vi\u1ec7c \u00e9p l\u1ea1i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc y\u00eau c\u1ea7u. C\u01a1 th\u1ec3 thi\u00eau k\u1ebft \u0111\u01b0\u1ee3c \u00e9p b\u1edfi khu\u00f4n ho\u00e0n thi\u1ec7n \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c. \u0110\u1ecbnh h\u00ecnh l\u00e0 vi\u1ec7c \u00e9p l\u1ea1i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3. S\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c \u00e9p b\u1eb1ng khu\u00f4n \u0111\u1ecbnh h\u00ecnh \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 bi\u1ebfn d\u1ea1ng v\u00e0 gi\u1ea3m gi\u00e1 tr\u1ecb \u0111\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t. \u00c9p l\u1ea1i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 y\u00eau c\u1ea7u cao v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb s\u1eaft v\u00e0 \u0111\u1ed3ng.<\/p>

\"\"<\/figure>

b ng\u00e2m t\u1ea9m<\/h3>

Ph\u01b0\u01a1ng ph\u00e1p l\u1ea5p \u0111\u1ea7y c\u00e1c l\u1ed7 r\u1ed7ng c\u1ee7a c\u01a1 th\u1ec3 thi\u00eau k\u1ebft b\u1eb1ng v\u1eadt li\u1ec7u phi kim lo\u1ea1i (nh\u01b0 d\u1ea7u, parafin v\u00e0 nh\u1ef1a th\u00f4ng). C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m t\u1ea9m ph\u1ed5 bi\u1ebfn l\u00e0 t\u1ea9m d\u1ea7u, t\u1ea9m nh\u1ef1a, t\u1ea9m kim lo\u1ea1i n\u00f3ng ch\u1ea3y,\u2026 Ng\u00e2m d\u1ea7u l\u00e0 nh\u00fang d\u1ea7u b\u00f4i tr\u01a1n v\u00e0o th\u00e2n thi\u00eau k\u1ebft \u0111\u1ec3 n\u00e2ng cao t\u00ednh n\u0103ng t\u1ef1 b\u00f4i tr\u01a1n v\u00e0 ch\u1ed1ng r\u1ec9 s\u00e9t. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1eaft v\u00e0 \u0111\u1ed3ng ch\u1ecbu d\u1ea7u. Ch\u1ea5t d\u1ebbo ng\u00e2m t\u1ea9m \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng polytetrafluoroethylene ph\u00e2n t\u00e1n. Sau khi \u0111\u00f3ng r\u1eafn, n\u00f3 c\u00f3 th\u1ec3 nh\u1eadn ra b\u00f4i tr\u01a1n kh\u00f4ng d\u1ea7u. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn gi\u1ea3m ma s\u00e1t b\u1eb1ng nh\u1ef1a kim lo\u1ea1i. Ng\u00e2m trong kim lo\u1ea1i n\u00f3ng ch\u1ea3y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n. \u0110\u1ed3ng ho\u1eb7c ch\u00ec ng\u00e2m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c v\u1eadt li\u1ec7u l\u00e0m t\u1eeb s\u1eaft.<\/p>

c X\u1eed l\u00fd nhi\u1ec7t<\/h3>

Ph\u01b0\u01a1ng ph\u00e1p l\u00e0m n\u00f3ng th\u00e2n thi\u00eau k\u1ebft \u0111\u1ebfn m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh v\u00e0 sau \u0111\u00f3 \u0111i\u1ec1u khi\u1ec3n ph\u01b0\u01a1ng ph\u00e1p l\u00e0m l\u1ea1nh \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m l\u00e0m ngu\u1ed9i, x\u1eed l\u00fd nhi\u1ec7t h\u00f3a h\u1ecdc, x\u1eed l\u00fd c\u01a1 nhi\u1ec7t, vv. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m t\u1eeb s\u1eaft kh\u00f4ng b\u1ecb va \u0111\u1eadp nh\u01b0ng y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p d\u1eadp t\u1eaft t\u00edch h\u1ee3p. V\u00ec s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c l\u1ed7 r\u1ed7ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong, n\u00ean th\u01b0\u1eddng kh\u00f4ng c\u1ea7n \u1ee7. V\u00e0 c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m t\u1eeb s\u1eaft \u0111\u00f2i h\u1ecfi \u0111\u1ed9 c\u1ee9ng b\u00ean ngo\u00e0i v\u00e0 \u0111\u1ed9 d\u1ebbo dai b\u00ean trong c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u1eadp t\u1eaft ho\u1eb7c ch\u1ebf t\u1ea1o b\u1eb1ng cacbon. R\u00e8n n\u00f3ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf g\u1ecdn. C\u00e1c s\u1ea3n ph\u1ea9m r\u00e8n n\u00f3ng c\u00f3 h\u1ea1t m\u1ecbn v\u00e0 \u0111\u1ed9 b\u1ec1n cao, d\u1ebbo dai.<\/p>

d X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/h3>

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m x\u1eed l\u00fd h\u01a1i n\u01b0\u1edbc, m\u1ea1 \u0111i\u1ec7n, nh\u00fang k\u1ebdm, ... X\u1eed l\u00fd h\u01a1i n\u01b0\u1edbc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi ph\u00f4i n\u1eb1m trong kho\u1ea3ng 500 \uff5e<\/p>

Qu\u00e1 tr\u00ecnh nung n\u00f3ng b\u1ec1 m\u1eb7t trong h\u01a1i n\u01b0\u1edbc n\u00f3ng \u1edf 560 \u2103 v\u00e0 gi\u1eef n\u00f3 trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng oxit d\u00e0y \u0111\u1eb7c tr\u00ean b\u1ec1 m\u1eb7t v\u00e0 c\u00e1c l\u1ed7 x\u1ed1p. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb s\u1eaft c\u1ea7n ch\u1ed1ng g\u1ec9, ch\u1ed1ng m\u00e0i m\u00f2n ho\u1eb7c th\u00e2m nh\u1eadp \u00e1p su\u1ea5t cao. M\u1ea1 \u0111i\u1ec7n \u00e1p d\u1ee5ng nguy\u00ean l\u00fd \u0111i\u1ec7n h\u00f3a \u0111\u1ec3 t\u1ea1o l\u1edbp ph\u1ee7 r\u1eafn tr\u00ean b\u1ec1 m\u1eb7t s\u1ea3n ph\u1ea9m v\u00e0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u0169ng gi\u1ed1ng nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u d\u00e0y \u0111\u1eb7c. M\u1ea1 \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c s\u1ea3n ph\u1ea9m c\u1ea7n ch\u1ed1ng g\u1ec9, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 trang tr\u00ed. Ngo\u00e0i ra, h\u00ecnh d\u1ea1ng c\u1ee7a th\u00e2n thi\u00eau k\u1ebft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00eam ho\u1eb7c c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch r\u00e8n, h\u00e0n, c\u1eaft, gia c\u00f4ng \u0111\u1eb7c bi\u1ec7t v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng \u0111\u1eb7c bi\u1ec7t nh\u01b0 EDM, gia c\u00f4ng b\u1eb1ng ch\u00f9m tia \u0111i\u1ec7n t\u1eed v\u00e0 gia c\u00f4ng b\u1eb1ng laser, c\u0169ng nh\u01b0 c\u00e1c c\u00f4ng ngh\u1ec7 k\u1ef9 thu\u1eadt b\u1ec1 m\u1eb7t nh\u01b0 th\u1ea5m nit\u01a1 ion, c\u1ea5y ion, l\u1eafng \u0111\u1ecdng h\u01a1i v\u00e0 phun nhi\u1ec7t, \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd sau c\u00e1c s\u1ea3n ph\u1ea9m luy\u1ec7n kim b\u1ed9t, c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa s\u1ea3n xu\u1ea5t<\/p><\/div>","protected":false},"excerpt":{"rendered":"

Powder metallurgy is mainly applicable to the auto industry, equipment manufacturing industry, metal industry, aerospace, military industry, instrumentation, hardware tools, electronic appliances and other fields. Metal powders commonly used in powder metallurgy include iron, copper, aluminum and their alloys. During the manufacturing process, the content of impurities and gases shall not exceed 1% ~ 2%,…<\/p>","protected":false},"author":2,"featured_media":21296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-21295","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\/2022\/08\/\u56fe\u72471.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/21295","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=21295"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/posts\/21295\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media\/21296"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/media?parent=21295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/categories?post=21295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/vi\/wp-json\/wp\/v2\/tags?post=21295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}