{"id":84358,"date":"2013-11-19T06:02:16","date_gmt":"2013-11-18T22:02:16","guid":{"rendered":"https:\/\/honwaygroup.com\/product\/nano-diamond-black-powder-hon-hop-don-tinh-the-va-da-tinh-the\/"},"modified":"2025-05-14T17:24:25","modified_gmt":"2025-05-14T09:24:25","slug":"nano-diamond-black-powder","status":"publish","type":"product","link":"https:\/\/honwaygroup.com\/vi\/product\/nano-diamond-black-powder\/","title":{"rendered":"Nano Diamond Black Powder (H\u1ed7n h\u1ee3p \u0110\u01a1n tinh th\u1ec3 v\u00e0 \u0110a tinh th\u1ec3)"},"content":{"rendered":"

Nano Diamond Black Powder (H\u1ed7n h\u1ee3p \u0110\u01a1n tinh th\u1ec3 v\u00e0 \u0110a tinh th\u1ec3)<\/strong><\/h3>\n

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\u1ee8ng d\u1ee5ng c\u1ee7a nano kim c\u01b0\u01a1ng trong ng\u00e0nh c\u01a1 kh\u00ed<\/strong><\/b><\/h4>\n
\uff08<\/b>1<\/b>\uff09L\u1edbp ph\u1ee7 t\u1ed5ng h\u1ee3p nano kim c\u01b0\u01a1ng<\/b><\/h5>\n

C\u00f4ng ngh\u1ec7 L\u1edbp ph\u1ee7 t\u1ed5ng h\u1ee3p nano kim c\u01b0\u01a1ng l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 then ch\u1ed1t trong s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m. Th\u00f4ng qua l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t, b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1edfi m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 c\u00f3 th\u00e0nh ph\u1ea7n v\u00e0 c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m.V\u00ed d\u1ee5: C\u00e1c n\u1ec1n t\u1ea3ng bi\u1ec3n, khai th\u00e1c m\u1ecf quy m\u00f4 l\u1edbn ngo\u00e0i tr\u1eddi, thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t luy\u1ec7n kim v\u00e0 h\u00f3a d\u1ea7u trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, v\u1edbi l\u1edbp b\u1ea3o v\u1ec7 t\u1ed5ng h\u1ee3p b\u1ec1n v\u1eefng c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba \u0103n m\u00f2n b\u00ean trong trong v\u00f2ng 5 \u0111\u1ebfn 10 n\u0103m s\u1eed d\u1ee5ng; Trong ng\u00e0nh c\u01a1 kh\u00ed, vi\u1ec7c s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 c\u1eaft, khu\u00f4n m\u1eabu, b\u01a1m, v\u00f2ng bi, v\u00e0 van ph\u1ed5 bi\u1ebfn, th\u00f4ng qua vi\u1ec7c gia c\u1ed1 b\u1ec1 m\u1eb7t, tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 t\u0103ng t\u1eeb 3 \u0111\u1ebfn 5 l\u1ea7n.<\/p>\n

C\u00f4ng ngh\u1ec7 Ph\u1ee7 Composite Nano Kim C\u01b0\u01a1ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng, hi\u1ec7u su\u1ea5t, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf.
\nTh\u1ed1ng k\u00ea cho th\u1ea5y r\u1eb1ng ng\u00e0nh s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c ti\u00eau th\u1ee5 kho\u1ea3ng 1\/3 n\u0103ng l\u01b0\u1ee3ng tr\u1ef1c ti\u1ebfp ho\u1eb7c gi\u00e1n ti\u1ebfp qua hao m\u00f2n, m\u1ea5t m\u00e1t do ma s\u00e1t. S\u1ea3n l\u01b0\u1ee3ng th\u00e9p to\u00e0n c\u1ea7u b\u1ecb m\u1ea5t kho\u1ea3ng 1\/10 do r\u1ec9 s\u00e9t v\u00e0 c\u00e1c d\u1ea1ng \u0103n m\u00f2n kh\u00e1c. \u0102n m\u00f2n v\u00e0 ma s\u00e1t g\u00e2y ra nh\u1eefng t\u1ed5n th\u1ea5t kinh t\u1ebf kh\u1ed5ng l\u1ed3. Theo \u0111i\u1ec1u tra \u1edf Anh, M\u1ef9 v\u00e0 c\u00e1c qu\u1ed1c gia kh\u00e1c, t\u1ed5n th\u1ea5t do \u0103n m\u00f2n chi\u1ebfm kho\u1ea3ng 2% \u0111\u1ebfn 4% t\u1ed5ng gi\u00e1 tr\u1ecb s\u1ea3n xu\u1ea5t qu\u1ed1c gia.
\n\u1ede Trung Qu\u1ed1c, t\u1ed5n th\u1ea5t h\u00e0ng n\u0103m do \u0103n m\u00f2n g\u00e2y ra \u00edt nh\u1ea5t h\u01a1n 40 t\u1ef7 nh\u00e2n d\u00e2n t\u1ec7. Theo \u0111i\u1ec1u tra t\u1ea1i 27 t\u1ec9nh th\u00e0nh v\u00e0 doanh nghi\u1ec7p c\u01a1 kh\u00ed \u1edf n\u01b0\u1edbc n\u00e0y, t\u1ed5n th\u1ea5t h\u00e0ng n\u0103m l\u00ean \u0111\u1ebfn kho\u1ea3ng 11,6 t\u1ef7 nh\u00e2n d\u00e2n t\u1ec7. \u0110\u01b0\u1ee3c bi\u1ebft, t\u1ed5ng t\u1ed5n th\u1ea5t kim lo\u1ea1i to\u00e0n c\u1ea7u h\u00e0ng n\u0103m do \u0103n m\u00f2n l\u00e0 kho\u1ea3ng 150 t\u1ef7 \u0111\u00f4 la M\u1ef9, v\u00e0 \u1edf Trung Qu\u1ed1c con s\u1ed1 n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 150 t\u1ef7 nh\u00e2n d\u00e2n t\u1ec7. Vi\u1ec7c m\u1ea1 kim lo\u1ea1i l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, \u0111\u1ed9 c\u1ee9ng cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a kim c\u01b0\u01a1ng trong m\u1ea1 composite \u0111\u00e3 thu h\u00fat s\u1ef1 ch\u00fa \u00fd ng\u00e0y c\u00e0ng t\u0103ng. Tuy nhi\u00ean, do c\u00e1c h\u1ea1t kim c\u01b0\u01a1ng th\u00f4ng th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc micr\u00f4 ho\u1eb7c d\u01b0\u1edbi micr\u00f4, h\u1ea1t t\u01b0\u01a1ng \u0111\u1ed1i th\u00f4, c\u1ea5u tr\u00fac l\u1edbp ph\u1ee7 thu \u0111\u01b0\u1ee3c kh\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a c\u00e1c d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c, b\u1ec1 m\u1eb7t c\u00f3 \u0111\u1ed9 b\u00f3ng cao, gia c\u00f4ng tinh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t kim c\u01b0\u01a1ng nano, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a kim c\u01b0\u01a1ng c\u00f3 k\u00edch th\u01b0\u1edbc 2-12 nm, vi\u1ec7c s\u1eed d\u1ee5ng kim c\u01b0\u01a1ng nano \u0111\u1ec3 t\u1ea1o l\u1edbp ph\u1ee7 composite \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd b\u00f9 \u0111\u1eafp cho s\u1ef1 thi\u1ebfu s\u00f3t n\u00e0y. C\u00f4ng ngh\u1ec7 m\u1ea1 ch\u1ed5i l\u00e0 m\u1ed9t lo\u1ea1i c\u00f4ng ngh\u1ec7 c\u1ea3i ti\u1ebfn b\u1ec1 m\u1eb7t m\u1edbi \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean c\u00f4ng ngh\u1ec7 m\u1ea1 \u0111i\u1ec7n trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1eeda ch\u1eefa linh ki\u1ec7n c\u01a1 kh\u00ed m\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c kh\u00f3 x\u1eed l\u00fd. Ph\u00f2ng th\u00ed nghi\u1ec7m Nghi\u00ean c\u1ee9u M\u1edf v\u1ec1 B\u00f4i tr\u01a1n R\u1eafn t\u1ea1i Vi\u1ec7n V\u1eadt l\u00fd H\u00f3a h\u1ecdc Lan Ch\u00e2u, Vi\u1ec7n H\u00e0n l\u00e2m Khoa h\u1ecdc Trung Qu\u1ed1c, ph\u1ed1i h\u1ee3p v\u1edbi Khoa V\u1eadt li\u1ec7u c\u1ee7a \u0110\u1ea1i h\u1ecdc Lan Ch\u00e2u, \u0111\u00e3 nghi\u00ean c\u1ee9u c\u00e1c t\u00ednh ch\u1ea5t ma s\u00e1t c\u1ee7a l\u1edbp ph\u1ee7 composite niken-m\u1ea1 ch\u1ed5i c\u00f3 ch\u1ee9a v\u1eadt li\u1ec7u nano. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u cho th\u1ea5y l\u1edbp ph\u1ee7 n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n c\u1ee7a n\u00f3 t\u0103ng l\u00ean c\u00f9ng v\u1edbi s\u1ef1 gia t\u0103ng h\u00e0m l\u01b0\u1ee3ng b\u1ed9t kim c\u01b0\u01a1ng nano \u0111en trong ph\u1ea1m vi th\u1eed nghi\u1ec7m.<\/p>\n

Hi\u1ec7n nay, n\u01b0\u1edbc ta s\u1ea3n xu\u1ea5t h\u01a1n 3 t\u1ef7 xi lanh m\u1ed7i n\u0103m, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, xe m\u00e1y, thi\u1ebft b\u1ecb gia d\u1ee5ng, m\u00e1y m\u00f3c khai th\u00e1c, m\u00e1y m\u00f3c d\u1ec7t, \u0111\u00f3ng t\u00e0u v\u00e0 m\u00e1y c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c, thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng, qu\u00e2n s\u1ef1 v\u00e0 c\u00e1c ng\u00e0nh kh\u00e1c, v\u00e0 \u0111ang c\u1ea7n n\u00e2ng c\u1ea5p c\u00f4ng ngh\u1ec7 m\u1ea1 composite nano.
\nNgo\u00e0i ra, th\u1ecb tr\u01b0\u1eddng khu\u00f4n m\u1eabu, nh\u1ef1a, v\u00e0 m\u1ea1 trang tr\u00ed k\u00ednh \u1edf Trung Qu\u1ed1c r\u1ea5t l\u1edbn. Theo t\u00ednh to\u00e1n s\u01a1 b\u1ed9, n\u1ebfu b\u1ec1 m\u1eb7t m\u1ea1 \u0111\u1ea1t 3,0 \u00d7 108 m\u00b2, \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp m\u1ea1 theo t\u00ednh to\u00e1n l\u00e0 5 \u03bcm, m\u1ed7i m\u00e9t vu\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng 0,2 g kim c\u01b0\u01a1ng nano, th\u00ec l\u01b0\u1ee3ng kim c\u01b0\u01a1ng nano c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m ph\u1ee5 gia m\u1ea1 composite kim c\u01b0\u01a1ng nano-kim lo\u1ea1i s\u1ebd l\u00ean t\u1edbi 6,0 \u00d7 105 kg.
\nVi\u1ec7c m\u1ea1 composite kim c\u01b0\u01a1ng nano c\u00f3 tri\u1ec3n v\u1ecdng t\u01b0\u01a1i s\u00e1ng trong t\u01b0\u01a1ng lai.<\/p>\n

Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 gi\u1ea3m t\u1ed5n th\u1ea5t \u0103n m\u00f2n \u00edt nh\u1ea5t t\u1eeb 15%~35% v\u00e0 t\u1ed5n th\u1ea5t hao m\u00f2n kho\u1ea3ng 1\/3.
\nNgo\u00e0i ra, v\u00ec l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t r\u1ea5t m\u1ecfng, l\u1edbp ph\u1ee7 v\u00e0 c\u1ea3i ti\u1ebfn b\u1ec1 m\u1eb7t th\u01b0\u1eddng s\u1eed d\u1ee5ng r\u1ea5t \u00edt v\u1eadt li\u1ec7u nh\u01b0ng l\u1ea1i c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n, mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf r\u00f5 r\u1ec7t trong vi\u1ec7c ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u qu\u00fd gi\u00e1 v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t.
\nV\u00ed d\u1ee5: \u0110\u1ed1i v\u1edbi khu\u00f4n m\u1eabu b\u1ecb m\u00f2n, tr\u1ee5c khu\u1ef7u, b\u1ed9 d\u1eabn h\u01b0\u1edbng, \u1ed1ng l\u00f3t xi lanh, v\u1ecf, tr\u1ee5c, gh\u1ebf \u1ed5 tr\u1ee5c, r\u0103ng g\u1ea7u, l\u1edbp l\u00f3t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c, c\u0169ng nh\u01b0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a xe b\u00e1nh x\u00edch, s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 m\u1ea1 ch\u1ed5i \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf l\u1edbn.<\/p>\n

Sau khi nghi\u00ean c\u1ee9u c\u00e1c t\u00ednh ch\u1ea5t ma s\u00e1t c\u1ee7a l\u1edbp m\u1ea1 crom composite kim c\u01b0\u01a1ng nano, ng\u01b0\u1eddi ta ph\u00e1t hi\u1ec7n ra r\u1eb1ng vi\u1ec7c th\u00eam b\u1ed9t kim c\u01b0\u01a1ng nano v\u00e0o l\u1edbp m\u1ea1 composite c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t l\u1edbp m\u1ea1 composite \u0111\u1ed3ng nh\u1ea5t v\u00e0 d\u00e0y \u0111\u1eb7c.
\nVi\u1ec7c th\u00eam b\u1ed9t kim c\u01b0\u01a1ng nano c\u00f3 th\u1ec3 tinh ch\u1ebf k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a l\u1edbp m\u1ea1, \u0111\u00f3ng vai tr\u00f2 khu\u1ebfch t\u00e1n v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp m\u1ea1 crom composite. Trong \u0111i\u1ec1u ki\u1ec7n b\u00f4i tr\u01a1n b\u1eb1ng d\u1ea7u, vi\u1ec7c th\u00eam b\u1ed9t kim c\u01b0\u01a1ng nano c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a l\u1edbp m\u1ea1, v\u00e0 k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c khi \u0111\u1ed9 d\u00e0y l\u1edbp m\u1ea1 l\u00e0 27 \u03bcm, v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u0103ng g\u1ea5p 12 l\u1ea7n so v\u1edbi l\u1edbp m\u1ea1 crom tinh khi\u1ebft.<\/p>\n

M\u1ea1 nano composite l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt l\u1eafng \u0111\u1ecdng m\u00e0 trong \u0111\u00f3 c\u00e1c h\u1ea1t kim c\u01b0\u01a1ng nano kh\u00f4ng h\u00f2a tan \u0111\u01b0\u1ee3c th\u00eam v\u00e0o dung d\u1ecbch m\u1ea1 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t. C\u00e1c h\u1ea1t r\u1eafn \u0111\u01b0\u1ee3c \u0111\u1ed3ng l\u1eafng \u0111\u1ecdng v\u1edbi c\u00e1c ion kim lo\u1ea1i \u0111\u1ec3 thu \u0111\u01b0\u1ee3c l\u1edbp m\u1ea1 composite.
\nC\u00e1c h\u1ea1t nano \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n ho\u00e0n to\u00e0n th\u00f4ng qua c\u00f4ng ngh\u1ec7 h\u1ed7n h\u1ee3p, v\u00e0 l\u1edbp ph\u1ee7 composite kim c\u01b0\u01a1ng nano thu \u0111\u01b0\u1ee3c c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh xu\u1ea5t s\u1eafc nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao v\u00e0 gi\u1ea3m ma s\u00e1t. \u0110\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp m\u1ea1 kim c\u01b0\u01a1ng nano composite c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi HV700~1100, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i h\u01a1n Cr15, l\u1edbp m\u1ea1 niken th\u00f4ng th\u01b0\u1eddng v\u00e0 l\u1edbp m\u1ea1 composite kim c\u01b0\u01a1ng micron.
\nH\u1ec7 s\u1ed1 ma s\u00e1t ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n ba so v\u1edbi l\u1edbp m\u1ea1 th\u00f4ng th\u01b0\u1eddng. N\u00f3 c\u00f3 hi\u1ec7u \u1ee9ng t\u1ef1 b\u00f4i tr\u01a1n \u0111\u1ed9c \u0111\u00e1o, v\u00e0 tu\u1ed5i th\u1ecd ch\u1ed1ng m\u00e0i m\u00f2n c\u00f3 th\u1ec3 t\u0103ng t\u1eeb 2-5 l\u1ea7n. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong x\u1eed l\u00fd b\u1ec1 m\u1eb7t c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu m\u00e0i m\u00f2n ch\u00ednh x\u00e1c trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, thay th\u1ebf c\u00e1c quy tr\u00ecnh m\u1ea1 crom, m\u1ea1 niken v\u00e0 c\u00e1c quy tr\u00ecnh kh\u00e1c ban \u0111\u1ea7u.<\/p>\n

 <\/p>\n

B\u1ea3ng <\/b>1:<\/b> K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m c\u1ee7a c\u00e1c m\u0169i khoan ph\u1ee7 crom ch\u1ee9a kim c\u01b0\u01a1ng nano<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\u0110\u01b0\u1eddng k\u00ednh m\u0169i khoan \/ mm<\/td>\nLo\u1ea1i kim lo\u1ea1i c\u1ea7n gia c\u00f4ng<\/td>\nH\u1ec7 s\u1ed1 t\u0103ng (hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng)<\/td>\n<\/tr>\n
0. 8\uff5e1. 2<\/td>\nT\u1ea5m v\u1ea3i th\u1ee7y tinh<\/td>\n2. 7\uff5e3. 3<\/td>\n<\/tr>\n
1. 0\uff5e2. 0<\/td>\nT\u1ea5m v\u1ea3i th\u1ee7y tinh<\/td>\n10. 0\uff5e20. 0<\/td>\n<\/tr>\n
1. 5\uff5e2. 5<\/td>\nTh\u00e9p<\/td>\n1. 5\uff5e1. 7<\/td>\n<\/tr>\n
3. 5\uff5e10. 0<\/td>\nTh\u00e9p<\/td>\n2. 0<\/td>\n<\/tr>\n
6. 0\uff5e10. 0<\/td>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/td>\n1. 8\uff5e3. 0<\/td>\n<\/tr>\n
7. 2\uff5e8. 5<\/td>\nTh\u00e9p<\/td>\n1. 5\uff5e1. 8<\/td>\n<\/tr>\n
10. 0<\/td>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/td>\n1. 9<\/td>\n<\/tr>\n
20. 0<\/td>\n\u0110\u00fac s\u1eaft<\/td>\n6. 0\uff5e8. 0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

B\u1ea3ng<\/b> 2<\/b>: K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m c\u1ee7a c\u00e1c khu\u00f4n \u00e9p ph\u1ee7 crom-kim c\u01b0\u01a1ng<\/b><\/b><\/p>\n

\n\n\n\n\n\n\n
\n

V\u1eadt li\u1ec7u \u00e9p<\/p>\n<\/td>\n

\n

H\u1ec7 s\u1ed1 t\u0103ng (hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng)<\/p>\n<\/td>\n<\/tr>\n

\n

B\u1ed9t s\u1eaft v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9<\/p>\n<\/td>\n

\n

9\uff5e15<\/p>\n<\/td>\n<\/tr>\n

\n

B\u1ed9t g\u1ed1m cho ng\u00e0nh c\u00f4ng nghi\u1ec7p radio<\/p>\n<\/td>\n

\n

4\uff5e5<\/p>\n<\/td>\n<\/tr>\n

\n

B\u1ed9t nh\u1ef1a<\/p>\n<\/td>\n

\n

2\uff5e3<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Tu\u1ed5i th\u1ecd t\u01b0\u01a1ng \u0111\u1ed1i so v\u1edbi nitriding, carburizing, m\u1ea1 crom v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 th\u00e9p \u0111\u1eb7c bi\u1ec7t.<\/p>\n

B\u1ea3ng <\/b>3<\/b>: C\u00f4ng c\u1ee5 d\u1eadp ph\u1ee7 crom-kim c\u01b0\u01a1ng <\/b>(Khu\u00f4n \u00e2m, Khu\u00f4n d\u01b0\u01a1ng)<\/b><\/p>\n

K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m trong qu\u00e1 tr\u00ecnh d\u1eadp t\u1ea5m<\/b><\/b><\/p>\n\n\n\n\n\n\n
Quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/td>\nV\u1eadt li\u1ec7u gia c\u00f4ng<\/td>\nH\u1ec7 s\u1ed1 t\u0103ng (hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng)<\/td>\n<\/tr>\n
Cold extrusion<\/td>\nSteel, Copper, Aluminum<\/td>\n1. 6\uff5e1. 82. 0\uff5e3. 0<\/td>\n<\/tr>\n
blanking<\/td>\nGlass Cloth Sheet Brass<\/td>\n1. 6\uff5e2. 42. 0\uff5e4. 0<\/td>\n<\/tr>\n
stretch molding<\/td>\nBrass Plated Steel<\/td>\n2. 8\uff5e3. 0.1 4\uff5e1. 8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\uff082\uff09Ch\u1ea5t b\u00f4i tr\u01a1n ch\u1ee9a kim c\u01b0\u01a1ng nano<\/strong><\/h5>\n

Kim c\u01b0\u01a1ng nano trong d\u1ea7u b\u00f4i tr\u01a1n mang l\u1ea1i hi\u1ec7u \u1ee9ng k\u1ef3 l\u1ea1 v\u01b0\u1ee3t xa mong \u0111\u1ee3i c\u1ee7a nhi\u1ec1u ng\u01b0\u1eddi. N\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t d\u1ea7u \u0111\u1ed9ng c\u01a1 m\u00e0 c\u00f2n \u0111\u1ec3 s\u1ea3n xu\u1ea5t d\u1ea7u b\u00e1nh r\u0103ng tr\u1ee5c v\u00edt, d\u1ea7u b\u00e1nh r\u0103ng, d\u1ea7u th\u1ee7y l\u1ef1c, d\u1ea7u b\u01a1m ch\u00e2n kh\u00f4ng, d\u1ea7u m\u00e1y m\u00f3c t\u1ed1c \u0111\u1ed9 cao, d\u1ea7u m\u00e1y c\u00f4ng c\u1ee5, v.v.<\/p>\n

(1) C\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh c\u1ea1nh tranh c\u1ee7a s\u1ea3n ph\u1ea9m; t\u0103ng tu\u1ed5i th\u1ecd l\u00e0m vi\u1ec7c c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n v\u00e0 thi\u1ebft b\u1ecb; ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u b\u00f4i tr\u01a1n.<\/p>\n

(2) \u0110\u1ed9ng l\u01b0\u1ee3ng ma s\u00e1t gi\u1ea3m t\u1eeb 20% \u0111\u1ebfn 40%.<\/p>\n

(3) \u0110\u1ed9 m\u00e0i m\u00f2n b\u1ec1 m\u1eb7t ma s\u00e1t gi\u1ea3m t\u1eeb 30% \u0111\u1ebfn 40%.<\/p>\n

(4) S\u1ef1 t\u01b0\u01a1ng h\u1ee3p nhanh ch\u00f3ng c\u1ee7a c\u1eb7p ma s\u00e1t.<\/p>\n

Ti\u00eau th\u1ee5 \u0111\u01a1n v\u1ecb kim c\u01b0\u01a1ng nano: 0,01\uff5e0,20 kg trong 1000 kg d\u1ea7u b\u00f4i tr\u01a1n. N\u0103m 2002, Trung Qu\u1ed1c ti\u00eau th\u1ee5 kho\u1ea3ng 4,0\u00d7106 t\u1ea5n d\u1ea7u b\u00f4i tr\u01a1n, v\u1edbi doanh s\u1ed1 l\u00ean \u0111\u1ebfn h\u00e0ng ch\u1ee5c t\u1ef7 \u0111\u00f4 la v\u00e0 t\u0103ng v\u1edbi t\u1ed1c \u0111\u1ed9 10% m\u1ed7i n\u0103m.
\nVi\u1ec7c t\u1eadn d\u1ee5ng c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a kim c\u01b0\u01a1ng nano \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n d\u1ea7u ch\u1ea1y th\u1eed \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong chuy\u00ean d\u1ee5ng hi\u1ec7u qu\u1ea3 cao \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng c\u00e1c ch\u1ec9 s\u1ed1 v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc trong ph\u00f2ng th\u00ed nghi\u1ec7m c\u0169ng nh\u01b0 th\u1eed nghi\u1ec7m tr\u00ean \u0111\u1ed9ng c\u01a1, ch\u1ee9ng minh r\u1eb1ng n\u00f3 c\u00f3 th\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian \u0111\u00e1ng k\u1ec3, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng ch\u1ea1y th\u1eed, n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a \u0111\u1ed9ng c\u01a1, v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1, th\u1ef1c hi\u1ec7n s\u1ef1 k\u1ebft h\u1ee3p h\u1eefu c\u01a1 gi\u1eefa ch\u1ea1y th\u1eed \u0111\u1ed9ng c\u01a1 v\u00e0 c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t.<\/p>\n

Hi\u1ec7n nay, ch\u1ea5t b\u00f4i tr\u01a1n kim lo\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00e0i s\u01a1 b\u1ed9 b\u1ec1 m\u1eb7t ma s\u00e1t ph\u1ee5 nh\u1eb1m truy\u1ec1n c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a ch\u1ea5t b\u00f4i tr\u01a1n kim lo\u1ea1i l\u00ean b\u1ec1 m\u1eb7t ma s\u00e1t ph\u1ee5.
\nD\u1eef li\u1ec7u th\u00ed nghi\u1ec7m \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng ch\u1ea5t b\u00f4i tr\u01a1n kim lo\u1ea1i ch\u1ee9a b\u1ed9t kim c\u01b0\u01a1ng nano tinh th\u1ec3 c\u00f3 th\u1ec3 gi\u1ea3m hao m\u00f2n t\u1eeb 1,7 \u0111\u1ebfn 2,0 l\u1ea7n, r\u00fat ng\u1eafn th\u1eddi gian ch\u1ea1y th\u1eed t\u1eeb 1,5 \u0111\u1ebfn 2,4 l\u1ea7n, v\u00e0 gi\u1ea3m h\u1ec7 s\u1ed1 ma s\u00e1t t\u1eeb 1,25 \u0111\u1ebfn 2,0 l\u1ea7n.<\/p>\n

\uff08<\/b>3<\/b>\uff09<\/b>New wear-resistant materials containing nano<\/b> diamonds<\/b><\/b> <\/b><\/h5>\n

N\u0103m 1992, Yashchenko \u1edf Hoa K\u1ef3 \u0111\u00e3 s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 luy\u1ec7n kim b\u1ed9t \u0111\u1ec3 t\u1ea1o ra m\u1ed9t v\u1eadt li\u1ec7u ch\u1ed1ng m\u00e0i m\u00f2n m\u1edbi. V\u1eadt li\u1ec7u n\u00e0y l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa b\u1ed9t \u0111\u1ed3ng-k\u1ebdm v\u00e0 \u0111\u1ed3ng-thi\u1ebfc v\u1edbi b\u1ed9t nano-amalgamite theo m\u1ed9t t\u1ef7 l\u1ec7 nh\u1ea5t \u0111\u1ecbnh, sau \u0111\u00f3 \u0111\u01b0\u1ee3c n\u00e9n ch\u1eb7t v\u00e0 nung trong m\u00f4i tr\u01b0\u1eddng hydro \u0111\u1ec3 s\u1ea3n xu\u1ea5t.
\nV\u1eadt li\u1ec7u m\u1edbi n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o l\u1edbp l\u00f3t xi lanh \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn bushing trong c\u00e1c thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng, c\u0169ng nh\u01b0 \u0111\u1ec3 ch\u1ebf t\u1ea1o v\u00f2ng bi tr\u01b0\u1ee3t, v.v. Nh\u1edd ch\u1ee9a b\u1ed9t kim c\u01b0\u01a1ng nano c\u00f3 h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao, v\u1eadt li\u1ec7u n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u1ea7y x\u01b0\u1edbc v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n r\u1ea5t cao.<\/p>\n

Ch\u1ea5t s\u1eeda ch\u1eefa kim lo\u1ea1i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb kim c\u01b0\u01a1ng nano \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u00e0 ch\u1ee9ng minh c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n k\u00e9o l\u00ean 71,98%, \u0111\u1ed9 b\u1ec1n xo\u1eafn l\u00ean 19,75%, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n l\u00ean 154,82%.<\/p>\n

C\u00e1c b\u00e1o c\u00e1o n\u01b0\u1edbc ngo\u00e0i cho bi\u1ebft, v\u1eadt li\u1ec7u nano c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u00e2n m\u00e1y bay v\u00e0 t\u00e0u thuy\u1ec1n, c\u00e1nh v\u00e0 b\u1ec1 m\u1eb7t th\u00e2n t\u00e0u c\u1ee7a l\u1edbp ph\u1ee7 silicon h\u1eefu c\u01a1, gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, ch\u1ecbu s\u01b0\u01a1ng gi\u00e1, nhi\u1ec7t \u0111\u1ed9, ch\u1ed1ng l\u00e3o h\u00f3a, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n t\u00ednh \u0111\u00e0n h\u1ed3i, \u0111\u1ed9 b\u1ec1n g\u00e3y v\u00e0 \u0111\u1ed9 b\u1ec1n x\u00e9.
\nNh\u1edd \u0111\u00f3, tu\u1ed5i th\u1ecd c\u1ee7a l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 t\u0103ng t\u1eeb 1,5 \u0111\u1ebfn 2,0 l\u1ea7n, v\u1edbi chi ph\u00ed ch\u1ec9 t\u0103ng t\u1eeb 1% \u0111\u1ebfn 2%.<\/p>\n

V\u1eadt li\u1ec7u composite kim c\u01b0\u01a1ng nano<\/b><\/b><\/p>\n

Cao su flo v\u00e0 cao su butadien \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m tinh ch\u1ebf ho\u1eb7c s\u1ea3n ph\u1ea9m t\u1ed5ng h\u1ee3p sau v\u1ee5 n\u1ed5 (kim c\u01b0\u01a1ng nano \u0111en v\u00e0 x\u00e1m).
\nC\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng m\u1eb7c d\u00f9 b\u1ed9t \u0111en n\u1ed5 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng c\u1ee7a cao su, nh\u01b0ng \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u1ea1i gi\u1ea3m \u0111i. Vi\u1ec7c b\u1ed5 sung b\u1ed9t kim c\u01b0\u01a1ng nano x\u00e1m v\u00e0o fluoroelastomer l\u00e0m t\u0103ng ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a cao su. \u0110i\u1ec1u n\u00e0y l\u00e0 do b\u1ed9t kim c\u01b0\u01a1ng nano x\u00e1m ch\u1ee9a c\u00e1c nh\u00f3m ch\u1ee9c nh\u01b0 nh\u00f3m hydroxyl, nh\u00f3m carboxyl, nh\u00f3m methyl, v.v., l\u00e0m t\u0103ng ho\u1ea1t t\u00ednh li\u00ean k\u1ebft v\u1edbi c\u00e1c polyme v\u00e0 do \u0111\u00f3 c\u1ea3i thi\u1ec7n c\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t nh\u01b0 t\u00ednh n\u0103ng k\u00e9o, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a cao su.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c h\u1ecdc gi\u1ea3 Nga \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng vi\u1ec7c b\u1ed5 sung kim c\u01b0\u01a1ng nano v\u00e0o m\u00e0ng flo l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n l\u00ean g\u1ea5p \u0111\u00f4i.
\nSau khi th\u00eam kim c\u01b0\u01a1ng nano v\u00e0o cao su polyisoprene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1ed1p xe, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 gi\u00e3n d\u00e0i, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c t\u0103ng t\u1eeb 1,3 \u0111\u1ebfn 1,7 l\u1ea7n. Kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3, v\u00e0 \u0111\u1ed9 b\u1ec1n ph\u00e1 v\u1ee1 c\u1ee7a l\u1ed1p (t\u1eeb 53 MPa l\u00ean 154 MPa) \u0111\u01b0\u1ee3c t\u0103ng l\u00ean.
\nCao su silicon ch\u1ee9a b\u1ed9t \u0111en l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n g\u00e3y trong chi\u1ec1u d\u00e0i tuy\u1ec7t \u0111\u1ed1i l\u00ean kho\u1ea3ng ba l\u1ea7n t\u1eeb 53 MPa l\u00ean 154 MPa, \u0111\u1ed9 b\u1ec1n \u0111\u00e0n h\u1ed3i t\u1ed5ng h\u1ee3p t\u0103ng t\u1eeb 3 \u0111\u1ebfn 5 l\u1ea7n, v\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i t\u1ed1i \u0111a t\u01b0\u01a1ng \u1ee9ng v\u1edbi h\u00e0m l\u01b0\u1ee3ng b\u1ed9t \u0111en kho\u1ea3ng 0,6% theo tr\u1ecdng l\u01b0\u1ee3ng. Trong th\u00e0nh ph\u1ea7n cao su flo ch\u1ee9a b\u1ed9t \u0111en, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u0103ng t\u1eeb 1,5 \u0111\u1ebfn 2 l\u1ea7n, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 cao su polyisoprene.<\/p>\n

Hi\u1ec7n nay, h\u1ea7u h\u1ebft c\u00e1c nghi\u00ean c\u1ee9u \u0111\u1ec1u t\u1eadp trung v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng kim c\u01b0\u01a1ng nano tinh th\u1ec3 ho\u1eb7c b\u1ed9t \u0111en l\u00e0m ch\u1ea5t \u0111\u1ed9n trong c\u00e1c s\u1ea3n ph\u1ea9m cao su ho\u1eb7c nh\u1ef1a c\u00f3 ch\u1ee9c n\u0103ng m\u1ea1nh, v\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p, v\u1edbi l\u01b0\u1ee3ng b\u1ed5 sung th\u01b0\u1eddng d\u01b0\u1edbi 1%.
\nVi\u1ec7c thay th\u1ebf 1-3% (theo tr\u1ecdng l\u01b0\u1ee3ng) c\u1ee7a ch\u1ea5t \u0111\u1ed9n carbon th\u00f4ng th\u01b0\u1eddng b\u1eb1ng c\u00f9ng m\u1ed9t tr\u1ecdng l\u01b0\u1ee3ng b\u1ed9t \u0111en nano h\u1ee3p kim trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn cao su c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd (qu\u00e3ng \u0111\u01b0\u1eddng \u0111i) c\u1ee7a l\u1ed1p \u00f4 t\u00f4 cao su isoprene kh\u00f4ng ph\u00e2n c\u1ef1c l\u00ean 30%, v\u00e0 t\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c chi ti\u1ebft cao su nh\u01b0 v\u00f2ng \u0111\u1ec7m t\u1eeb 30-100%.
\n\u0110\u1ed3ng th\u1eddi, vi\u1ec7c b\u1ed5 sung kim c\u01b0\u01a1ng nano tinh th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 r\u1ed7ng, gi\u1ea3m l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft cho vi\u1ec7c tr\u1ed9n t\u1eeb 5-7%, v\u00e0 gi\u1ea3m bong b\u00f3ng kh\u00ed, m\u1ea3nh v\u1ee5n, c\u0169ng nh\u01b0 s\u1ef1 b\u00e1m d\u00ednh tr\u00ean b\u1ec1 m\u1eb7t, gi\u00fap vi\u1ec7c th\u00e1o khu\u00f4n d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n

 <\/p>\n

C\u00e1c t\u00e1c d\u1ee5ng c\u1ee7a vi\u1ec7c c\u1ea3i ti\u1ebfn nh\u1ef1a b\u1eb1ng b\u1ed9t kim c\u01b0\u01a1ng nano \u0111en v\u00e0 b\u1ed9t kim c\u01b0\u01a1ng nano x\u00e1m nh\u01b0 sau:<\/strong><\/h5>\n

(1) C\u00e1c t\u00ednh ch\u1ea5t oxy h\u00f3a nhi\u1ec7t c\u1ee7a c\u00e1c composite b\u1ed9t \u0111en ch\u01b0a \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn trong kh\u00f4ng kh\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.
\nNhi\u1ec7t \u0111\u1ed9 ph\u00e2n h\u1ee7y nhi\u1ec7t c\u1ee7a c\u00e1c composite HDPE v\u00e0 LLDPE ch\u1ee9a 05% b\u1ed9t \u0111en t\u0103ng l\u1ea7n l\u01b0\u1ee3t l\u00ean 9\u00b0C v\u00e0 5\u00b0C so v\u1edbi c\u00e1c ch\u1ea5t n\u1ec1n tinh khi\u1ebft<\/p>\n

(2) \u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a c\u00e1c composite thu \u0111\u01b0\u1ee3c t\u1eeb vi\u1ec7c b\u1ed5 sung b\u1ed9t \u0111en ch\u01b0a \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn v\u00e0o polymer kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec1u, nh\u01b0ng gi\u1ea3m \u1edf m\u1ee9c b\u1ed5 sung cao h\u01a1n. \u0110\u1ed9 b\u1ec1n k\u00e9o \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n khi b\u1ed5 sung b\u1ed9t \u0111en \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn.
\n\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp c\u1ee7a composite ch\u1ee9a b\u1ed9t \u0111en gi\u1ea3m b\u1ea5t k\u1ec3 b\u1ed9t \u0111en c\u00f3 \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn hay kh\u00f4ng. C\u00e1c t\u00ednh ch\u1ea5t ma s\u00e1t v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u composite t\u0103ng l\u00ean c\u00f9ng v\u1edbi l\u01b0\u1ee3ng b\u1ed9t \u0111en \u0111\u01b0\u1ee3c th\u00eam v\u00e0o.
\nT\u00f3m l\u1ea1i, l\u01b0\u1ee3ng b\u1ed9t \u0111en t\u1ed1i \u01b0u cho HDPE \u0111\u01b0\u1ee3c cho l\u00e0 0,5%, v\u00e0 l\u01b0\u1ee3ng b\u1ed5 sung t\u1ed1i \u01b0u cho LLDPE \u0111\u01b0\u1ee3c cho l\u00e0 n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,3% \u0111\u1ebfn 0,5%.<\/p>\n

(3) Composite HDPE ch\u1ee9a 0,05% b\u1ed9t \u0111en, khi t\u1ea3i th\u1eed nghi\u1ec7m d\u01b0\u1edbi 2kg, hi\u1ec7u su\u1ea5t ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u b\u1edfi t\u1ea3i tr\u1ecdng. Tuy nhi\u00ean, khi v\u01b0\u1ee3t qu\u00e1 2,5kg, hi\u1ec7u su\u1ea5t ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n gi\u1ea3m \u0111\u00e1ng k\u1ec3.
\nComposite LDLPE ch\u1ee9a 0,5% b\u1ed9t \u0111en, khi t\u1ea3i th\u1eed nghi\u1ec7m d\u01b0\u1edbi 10kg, hi\u1ec7u su\u1ea5t ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u b\u1edfi t\u1ea3i tr\u1ecdng. Tuy nhi\u00ean, khi v\u01b0\u1ee3t qu\u00e1 10kg, hi\u1ec7u su\u1ea5t ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n gi\u1ea3m \u0111\u00e1ng k\u1ec3.<\/p>\n

(
\n4) Kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n v\u00e0 t\u01b0\u01a1ng th\u00edch c\u1ee7a b\u1ed9t \u0111en kim c\u01b0\u01a1ng nano ch\u01b0a \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn ho\u1eb7c b\u1ed9t x\u00e1m kim c\u01b0\u01a1ng nano trong PP t\u1ed1t h\u01a1n.
\nVi\u1ec7c b\u1ed5 sung b\u1ed9t \u0111en kim c\u01b0\u01a1ng nano ho\u1eb7c b\u1ed9t x\u00e1m kim c\u01b0\u01a1ng nano l\u00e0m t\u0103ng \u0111\u1ed9 k\u1ebft tinh c\u1ee7a tinh th\u1ec3 tr\u1ea1ng th\u00e1i \u03b1 trong PP, nh\u01b0ng kh\u00f4ng d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c lo\u1ea1i tinh th\u1ec3 kh\u00e1c. PP ch\u1ee9a 0,06% b\u1ed9t \u0111en kim c\u01b0\u01a1ng nano ho\u1eb7c 0,06% b\u1ed9t x\u00e1m kim c\u01b0\u01a1ng nano l\u00e0m t\u0103ng \u0111\u1ed9 k\u1ebft tinh l\u1ea7n l\u01b0\u1ee3t l\u00ean T16,74% v\u00e0 25,83% so v\u1edbi ch\u1ea5t n\u1ec1n.
\n\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a c\u00e1c composite PP t\u0103ng khi t\u0103ng h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n, trong khi \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp gi\u1ea3m \u0111i. Do t\u00e1c \u0111\u1ed9ng k\u00e9p c\u1ee7a c\u00e1c g\u1ed1c t\u1ef1 do l\u00ean v\u00f9ng tinh th\u1ec3 c\u1ee7a ch\u1ea5t n\u1ec1n PP v\u00e0 v\u00f9ng v\u00f4 \u0111\u1ecbnh h\u00ecnh, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp c\u1ee7a c\u00e1c composite PP dao \u0111\u1ed9ng khi t\u0103ng h\u00e0m l\u01b0\u1ee3ng h\u1ea1t nano, v\u00e0 gi\u00e1 tr\u1ecb t\u1ed1i \u0111a x\u1ea3y ra \u1edf kho\u1ea3ng 0,06% h\u00e0m l\u01b0\u1ee3ng b\u1ed5 sung. Hi\u1ec7u qu\u1ea3 c\u1ea3i thi\u1ec7n c\u1ee7a b\u1ed9t x\u00e1m kim c\u01b0\u01a1ng nano \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a PP t\u1ed1t h\u01a1n so v\u1edbi b\u1ed9t \u0111en kim c\u01b0\u01a1ng nano.<\/p>\n

(5) Vi\u1ec7c b\u1ed5 sung b\u1ed9t x\u00e1m kim c\u01b0\u01a1ng nano v\u00e0o keo epoxy nh\u1ef1a l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n ch\u1ed1ng ph\u00e1 v\u1ee1 l\u00ean g\u1ea5p 2-2,5 l\u1ea7n.<\/p>\n

C\u00f3 c\u00e2u h\u1ecfi n\u00e0o kh\u00f4ng?
\nLi\u00ean h\u1ec7 HonWay<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n\n\n
Gi\u1edbi thi\u1ec7u v\u1ec1 kim c\u01b0\u01a1ng nano<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kim c\u01b0\u01a1ng nano \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thu\u1ed1c n\u1ed5 c\u00e2n b\u1eb1ng oxy \u00e2m trong qu\u00e1 tr\u00ecnh n\u1ed5 \u0111\u1ec3 t\u1ea1o ra carbon t\u1ef1 do, ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1ee5 n\u1ed5 \u0111\u1ec3 bi\u1ebfn n\u00f3 th\u00e0nh c\u00e1c h\u1ea1t kim c\u01b0\u01a1ng vi tinh th\u1ec3 v\u1edbi \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 5-20 nm.
\n\u0110i\u1ec1u ki\u1ec7n t\u1ed5ng h\u1ee3p \u0111\u1eb7c bi\u1ec7t khi\u1ebfn c\u00e1c h\u1ea1t c\u01a1 b\u1ea3n c\u00f3 h\u00ecnh d\u1ea1ng g\u1ea7n nh\u01b0 c\u1ea7u, b\u1ec1 m\u1eb7t c\u00f3 r\u1ea5t nhi\u1ec1u nh\u00f3m ch\u1ee9c n\u0103ng, v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n s\u1ea3n ph\u1ea9m kim c\u01b0\u01a1ng th\u00f4ng th\u01b0\u1eddng l\u00ean m\u1ed9t m\u1ee9c \u0111\u1ed9.
\nKim c\u01b0\u01a1ng nano kh\u00f4ng ch\u1ec9 c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 t\u00ednh ch\u1ea5t m\u00e0i m\u00f2n t\u1ed1t h\u01a1n kim c\u01b0\u01a1ng nh\u00e2n t\u1ea1o th\u00f4ng th\u01b0\u1eddng m\u00e0 c\u00f2n c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh m\u1edbi c\u1ee7a v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng \u1edf c\u1ea5p \u0111\u1ed9 nano.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng c\u1ee7a kim c\u01b0\u01a1ng nano<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n1. \u0110\u00e1nh b\u00f3ng si\u00eau m\u1ecbn, v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh h\u1ea1t gi\u00fap g\u1ea7n nh\u01b0 kh\u00f4ng t\u1ea1o ra v\u1ebft tr\u1ea7y x\u01b0\u1edbc, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n b\u00f3ng cao.<\/p>\n

2. B\u00f4i tr\u01a1n v\u00e0 gi\u1ea3m ma s\u00e1t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ph\u1ee5 gia d\u1ea7u b\u00f4i tr\u01a1n, bi\u1ebfn ma s\u00e1t tr\u01b0\u1ee3t th\u00e0nh ma s\u00e1t l\u0103n, gi\u1ea3m h\u1ec7 s\u1ed1 ma s\u00e1t, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 hi\u1ec7u su\u1ea5t b\u00f4i tr\u01a1n v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/p>\n

3. M\u1ea1 composite v\u00e0 phun ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c chi ti\u1ebft kh\u00e1c nhau \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 c\u1ee9ng va \u0111\u1eadp v\u00e0 \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t c\u1ee7a b\u1ec1 m\u1eb7t chi ti\u1ebft.<\/p>\n

4. L\u00e0 ch\u1ea5t ph\u1ee5 gia cho cao su v\u00e0 nh\u1ef1a, n\u00f3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng \u0111\u00e2m th\u1ee7ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh k\u00e9o d\u00e3n, \u0111\u1ed3ng th\u1eddi l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a.<\/p>\n

5. Kim c\u01b0\u01a1ng nano h\u1ea7u nh\u01b0 kh\u00f4ng g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng \u0111\u00e0o th\u1ea3i sinh h\u1ecdc, v\u00e0 nh\u1edd \u0111\u1eb7c t\u00ednh di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 m\u1ea1nh, ch\u00fang c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng t\u1ed1t trong c\u00e1c l\u0129nh v\u1ef1c y t\u1ebf, sinh h\u1ecdc v\u00e0 m\u1ef9 ph\u1ea9m.<\/p>\n\n\n\n
Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ed9t kim c\u01b0\u01a1ng nano<\/p>\n

<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00f3 d\u1ea7u
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