{"id":3579,"date":"2026-05-01T02:40:02","date_gmt":"2026-05-01T02:40:02","guid":{"rendered":"https:\/\/productionscrews.com\/anodised\/"},"modified":"2026-05-01T02:40:25","modified_gmt":"2026-05-01T02:40:25","slug":"anodised","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/anodised\/","title":{"rendered":"\u1ed0c v\u00edt v\u00e0 ph\u1ee5 ki\u1ec7n Anodised: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 Anodising"},"content":{"rendered":"

Anodising t\u1ea1o ra m\u1ed9t l\u1edbp oxit nh\u00f4m c\u1ee9ng r\u1eafn tr\u00ean b\u1ec1 m\u1eb7t kim lo\u1ea1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec7n h\u00f3a, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n m\u00e0u cho v\u00edt v\u00e0 \u1ed1c v\u00edt.<\/strong><\/p>\n

B\u1ea1n \u0111ang ch\u1ec9 \u0111\u1ecbnh c\u00e1c lo\u1ea1i \u1ed1c v\u00edt cho m\u1ed9t d\u1ef1 \u00e1n \u1ed1p ki\u1ebfn tr\u00fac, m\u1ed9t ph\u1ee5 ki\u1ec7n s\u00e0n t\u00e0u bi\u1ec3n ho\u1eb7c m\u1ed9t b\u1ed9 l\u1eafp r\u00e1p h\u00e0ng kh\u00f4ng ch\u00ednh x\u00e1c \u2014 v\u00e0 b\u1ea3ng d\u1eef li\u1ec7u n\u00f3i r\u1eb1ng \u201cnh\u00f4m anodised.\u201d V\u1ea5n \u0111\u1ec1 l\u00e0, \u201canodised\u201d bao g\u1ed3m ba lo\u1ea1i quy tr\u00ecnh kh\u00e1c nhau, h\u00e0ng ch\u1ee5c t\u1ed5 h\u1ee3p h\u1ee3p kim v\u00e0 \u0111\u1ed9 d\u00e0y, c\u00f9ng v\u1edbi c\u00e1c k\u1ebft qu\u1ea3 hi\u1ec7u su\u1ea5t ho\u00e0n to\u00e0n kh\u00e1c nhau. Ch\u1ecdn sai lo\u1ea1i v\u00e0 v\u00edt anodised c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, m\u1ea5t m\u00e0u sau m\u1ed9t m\u00f9a, ho\u1eb7c kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u phun mu\u1ed1i 1.000 gi\u1edd trong l\u1ea7n ki\u1ec3m tra \u0111\u1ea7u ti\u00ean.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch t\u1eebng l\u1edbp c\u1ee7a quy tr\u00ecnh anodising, cho b\u1ea1n bi\u1ebft ch\u00ednh x\u00e1c c\u00e1ch ch\u1ec9 \u0111\u1ecbnh c\u00e1c lo\u1ea1i \u1ed1c v\u00edt anodised ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, v\u00e0 gi\u1ea3i th\u00edch khi n\u00e0o ph\u1ea7n c\u1ee9ng anodised th\u1ef1c s\u1ef1 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9 \u2014 v\u00e0 khi n\u00e0o th\u00ec kh\u00f4ng.<\/p>\n

\"C\u00e1c<\/figure>\n<\/p>\n
\n

Anodising l\u00e0 g\u00ec?<\/h2>\n

Anodising l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1eb1ng \u0111i\u1ec7n h\u00f3a, bi\u1ebfn \u0111\u1ed5i l\u1edbp ngo\u00e0i c\u1ee7a m\u1ed9t b\u1ed9 ph\u1eadn kim lo\u1ea1i \u2014 h\u1ea7u nh\u01b0 lu\u00f4n lu\u00f4n l\u00e0 nh\u00f4m \u2014 th\u00e0nh m\u1ed9t l\u1edbp oxit nh\u00f4m \u0111\u1eb7c, x\u1ed1p (Al\u2082O\u2083). Kh\u00e1c v\u1edbi s\u01a1n ho\u1eb7c m\u1ea1, v\u1ed1n th\u00eam m\u1ed9t v\u1eadt li\u1ec7u ngo\u1ea1i lai l\u00ean tr\u00ean n\u1ec1n kim lo\u1ea1i, l\u1edbp anodised ph\u00e1t tri\u1ec3n t\u1eeb v\u00e0 v\u00e0o<\/em> b\u1ea3n ch\u1ea5t kim lo\u1ea1i n\u1ec1n. C\u1ea5u tr\u00fac t\u00edch h\u1ee3p n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao l\u1edbp ho\u00e0n thi\u1ec7n anodised kh\u00f4ng bong tr\u00f3c, n\u1ee9t ho\u1eb7c b\u1ecb m\u00f2n nh\u01b0 c\u00e1c l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n

Quy tr\u00ecnh n\u00e0y l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c th\u01b0\u01a1ng m\u1ea1i h\u00f3a v\u00e0o nh\u1eefng n\u0103m 1920 \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y bay th\u1ee7y phi c\u01a1 l\u00e0m b\u1eb1ng nh\u00f4m. Ng\u00e0y nay, anodising \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong c\u00e1c l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, ki\u1ebfn tr\u00fac, \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng v\u00e0 th\u1ecb tr\u01b0\u1eddng \u1ed1c v\u00edt c\u00f4ng nghi\u1ec7p \u2014 b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o c\u00e1c b\u1ed9 ph\u1eadn nh\u00f4m nh\u1eb9 c\u1ea7n m\u1ed9t b\u1ec1 m\u1eb7t c\u1ee9ng h\u01a1n v\u00e0 b\u1ec1n h\u01a1n so v\u1edbi kim lo\u1ea1i n\u1ec1n.<\/p>\n

Quy tr\u00ecnh Ph\u1ee7 Nhi\u1ec7t \u0110i\u1ec7n Ly<\/h3>\n

Trong m\u1ed9t b\u1ed3n anodising axit sunfuric lo\u1ea1i II ti\u00eau chu\u1ea9n, b\u1ed9 ph\u1eadn nh\u00f4m \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i l\u00e0 anode<\/strong> (\u0111i\u1ec7n c\u1ef1c d\u01b0\u01a1ng) \u2014 do \u0111\u00f3 t\u00ean g\u1ecdi \u2014 v\u00e0 ng\u00e2m trong dung d\u1ecbch \u0111i\u1ec7n ly axit sunfuric 15\u201320% \u1edf nhi\u1ec7t \u0111\u1ed9 18\u201322 \u00b0C. Khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua, c\u00e1c ion oxy \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng t\u1ea1i c\u1ef1c anode ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c nguy\u00ean t\u1eed nh\u00f4m tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ec3 x\u00e2y d\u1ef1ng l\u1edbp oxit. Quy tr\u00ecnh n\u00e0y t\u1ef1 gi\u1edbi h\u1ea1n ch\u1ec9 \u1edf \u0111i\u1ec7n \u00e1p r\u1ea5t th\u1ea5p; \u1edf \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh ti\u00eau chu\u1ea9n, l\u1edbp oxit x\u1ed1p ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n trong su\u1ed1t chu tr\u00ecnh.<\/p>\n

L\u1edbp m\u00e0 n\u00f3 t\u1ea1o th\u00e0nh c\u00f3 hai v\u00f9ng:
\n– L\u1edbp ch\u1eafn<\/strong> \u2014 m\u1ed9t v\u00f9ng n\u1ec1n m\u1ecfng, \u0111\u1eb7c, kh\u00f4ng x\u1ed1p n\u1eb1m ngay c\u1ea1nh nh\u00f4m
\n– L\u1edbp x\u1ed1p<\/strong> \u2014 c\u1ea5u tr\u00fac oxit d\u1ea1ng c\u1ed9t m\u1edf r\u1ed9ng ra ngo\u00e0i, v\u1edbi c\u00e1c l\u1ed7 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 25\u201330 nm<\/p>\n

C\u00e1c l\u1ed7 n\u00e0y cho ph\u00e9p c\u00e1c b\u1ed9 ph\u1eadn anodised nh\u1eadn thu\u1ed1c nhu\u1ed9m tr\u01b0\u1edbc khi b\u1ecb ni\u00eam phong, v\u00e0 l\u00fd do t\u1ea1i sao b\u01b0\u1edbc ni\u00eam phong (n\u01b0\u1edbc n\u00f3ng tinh khi\u1ebft ho\u1eb7c acetate niken) l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i. Nh\u00f4m anodised ch\u01b0a ni\u00eam phong b\u1ecb \u0103n m\u00f2n nhanh h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00e3 \u0111\u01b0\u1ee3c ni\u00eam phong \u0111\u00fang c\u00e1ch. Theo b\u00e0i vi\u1ebft chi ti\u1ebft c\u1ee7a Wikipedia v\u1ec1 h\u00f3a h\u1ecdc anodizing<\/a>, l\u1edbp oxit c\u00f3 \u0111i\u1ec7n \u00e1p ph\u00e1 v\u1ee1 \u0111i\u1ec7n m\u00f4i t\u1eeb 400\u2013800 V\/\u00b5m \u2014 \u0111i\u1ec1u n\u00e0y li\u00ean quan khi v\u00edt anodised \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Anodising v\u00e0 M\u1ea1 v\u00e0 S\u01a1n<\/h3>\n

Ba ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t ph\u1ed5 bi\u1ebfn nh\u1ea5t cho v\u00edt \u2014 anodising, m\u1ea1 \u0111i\u1ec7n, v\u00e0 s\u01a1n \u2014 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau trong d\u1ecbch v\u1ee5.<\/p>\n

M\u1ea1 \u0111i\u1ec7n<\/strong> k\u1ebft t\u1ee7a m\u1ed9t l\u1edbp kim lo\u1ea1i (k\u1ebdm, niken, cr\u00f4m, cadmium) l\u00ean b\u1ec1 m\u1eb7t n\u1ec1n qua qu\u00e1 tr\u00ecnh kh\u1eed. L\u1edbp m\u1ea1 n\u1eb1m tr\u00ean c\u00f9ng, c\u00f3 \u0111\u1eb7c t\u00ednh b\u00e1m d\u00ednh ri\u00eang, v\u00e0 c\u00f3 th\u1ec3 b\u1ecb \u0103n m\u00f2n t\u1ea1i c\u00e1c v\u1ebft x\u01b0\u1edbc ho\u1eb7c c\u1ea1nh c\u1eaft. \u0110\u1ed1i v\u1edbi v\u00edt, c\u00e1c v\u00f9ng ren \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng v\u00ec \u0111\u1ed9 d\u00e0y m\u1ea1 thay \u0111\u1ed5i theo h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p.<\/p>\n

S\u01a1n v\u00e0 ph\u1ee7 b\u1ed9t<\/strong> th\u00eam m\u1ed9t l\u1edbp m\u00e0ng polymer. R\u1ea5t t\u1ed1t cho m\u00e0u s\u1eafc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng tia UV, nh\u01b0ng l\u1edbp m\u00e0ng c\u00f3 th\u1ec3 b\u1ecb bong tr\u00f3c t\u1ea1i g\u1ed1c ren d\u01b0\u1edbi l\u1ef1c si\u1ebft khi l\u1eafp \u0111\u1eb7t, v\u00e0 c\u00e1c c\u1ea1nh c\u1eaft tr\u00ean v\u00edt gia c\u00f4ng \u00edt khi \u0111\u01b0\u1ee3c ph\u1ee7 \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

Anodising<\/strong> li\u00ean k\u1ebft v\u1edbi ch\u00ednh nh\u00f4m. Kh\u00f4ng x\u1ea3y ra s\u1ef1 c\u1ed1 b\u00e1m d\u00ednh, kh\u00f4ng b\u1ecb \u0103n m\u00f2n d\u01b0\u1edbi l\u1edbp, v\u00e0 \u2014 \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u1eaft v\u00edt \u2014 l\u1edbp oxit ph\u00e1t tri\u1ec3n v\u00e0o trong (kho\u1ea3ng 50% t\u1ed5ng \u0111\u1ed9 d\u00e0y) c\u0169ng nh\u01b0 ra ngo\u00e0i, gi\u00fap h\u1ea1n ch\u1ebf s\u1ef1 bi\u1ebfn d\u1ea1ng k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n ren.<\/p>\n\n\n\n\n\n\n\n\n\n
X\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/th>\nC\u01a1 ch\u1ebf b\u00e1m d\u00ednh<\/th>\n\u0110\u1ed9 d\u00e0y \u0111i\u1ec3n h\u00ecnh<\/th>\nKh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/th>\n\u1ea2nh h\u01b0\u1edfng c\u1ee7a ren<\/th>\n<\/tr>\n<\/thead>\n
Anodising Lo\u1ea1i II<\/td>\nOxide t\u00edch h\u1ee3p<\/td>\n8\u201325 \u00b5m<\/td>\n336\u20131.000 gi\u1edd phun mu\u1ed1i<\/td>\n\u00cdt \u1ea3nh h\u01b0\u1edfng (<5 \u00b5m ph\u00e1t tri\u1ec3n ra ngo\u00e0i)<\/td>\n<\/tr>\n
M\u1ea1 k\u1ebdm \u0111i\u1ec7n<\/td>\nLi\u00ean k\u1ebft c\u01a1 h\u1ecdc\/ho\u00e1 h\u1ecdc<\/td>\n5\u201312 \u00b5m<\/td>\n96\u2013200 gi\u1edd phun mu\u1ed1i<\/td>\nV\u1eeba ph\u1ea3i (c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 kh\u00edt)<\/td>\n<\/tr>\n
Ph\u1ee7 B\u1ed9t Trong Su\u1ed1t<\/td>\nD\u00ednh Ch\u1eb7t C\u01a1 Kh\u00ed<\/td>\n60\u2013120 \u00b5m<\/td>\n500\u20131.000 gi\u1edd phun mu\u1ed1i<\/td>\n\u0110\u00e1ng k\u1ec3 (l\u1ea5p \u0111\u1ea7y ren)<\/td>\n<\/tr>\n
M\u1ea1 K\u1ebdm Ch\u00ec<\/td>\nLi\u00ean k\u1ebft H\u00f3a H\u1ecdc<\/td>\n8\u201313 \u00b5m<\/td>\nH\u01a1n 1.000 gi\u1edd phun mu\u1ed1i<\/td>\nV\u1eeba ph\u1ea3i (h\u1ea1n ch\u1ebf RoHS)<\/td>\n<\/tr>\n
S\u01a1n (d\u1ea1ng l\u1ecfng)<\/td>\nD\u00ednh Ch\u1eb7t C\u01a1 Kh\u00ed<\/td>\n25\u201375 \u00b5m<\/td>\n200\u2013500 gi\u1edd phun mu\u1ed1i<\/td>\nL\u1ea5p \u0111\u1ea7y ren (kh\u00f4ng ph\u00f9 h\u1ee3p cho \u0111\u1ed9 ch\u00ednh x\u00e1c cao)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

C\u00e1c lo\u1ea1i Anodising cho \u1ed1c v\u00edt v\u00e0 bu l\u00f4ng<\/h2>\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 l\u1edbp ph\u1ee7 anodised \u0111\u1ec1u gi\u1ed1ng nhau. MIL-A-8625 (ti\u00eau chu\u1ea9n qu\u00e2n s\u1ef1 c\u1ee7a Vietnam m\u00e0 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 mua c\u00f4ng nghi\u1ec7p tham kh\u1ea3o, k\u1ec3 c\u1ea3 ngo\u00e0i l\u0129nh v\u1ef1c qu\u1ed1c ph\u00f2ng) x\u00e1c \u0111\u1ecbnh ba lo\u1ea1i anodising ch\u00ednh, m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t kh\u00e1c nhau. Khi nh\u00e0 cung c\u1ea5p b\u00e1o gi\u00e1 \u201canodised,\u201d b\u1ea1n c\u1ea7n bi\u1ebft lo\u1ea1i n\u00e0o.<\/p>\n

\"So<\/figure>\n<\/p>\n

Lo\u1ea1i I \u2014 Anodising Axit Cromic<\/h3>\n

Lo\u1ea1i I s\u1eed d\u1ee5ng axit crom (CrO\u2083) thay v\u00ec axit sunfuric. L\u1edbp oxit t\u1ea1o th\u00e0nh m\u1ecfng h\u01a1n \u2014 th\u01b0\u1eddng t\u1eeb 0,5\u20137,5 \u00b5m \u2014 nh\u01b0ng quy tr\u00ecnh nh\u1eb9 nh\u00e0ng h\u01a1n v\u00e0 g\u00e2y \u00edt thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y khi\u1ebfn Lo\u1ea1i I tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho \u1ed1c v\u00edt h\u00e0ng kh\u00f4ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1eb7t ch\u1ebd<\/strong> n\u01a1i ph\u00f9 h\u1ee3p ren v\u00e0 h\u00ecnh d\u1ea1ng b\u1ed9 ph\u1eadn ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec trong ph\u1ea1m vi dung sai \u0111\u01a1n v\u1ecb micromet.<\/p>\n

Ho\u00e0n thi\u1ec7n anodised lo\u1ea1i I c\u00f3 m\u00e0u x\u00e1m m\u1edd v\u00e0 kh\u00f4ng th\u1ea5m nhu\u1ed9m t\u1ed1t, n\u00ean \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch th\u1ea9m m\u1ef9. Gi\u00e1 tr\u1ecb ch\u00ednh c\u1ee7a ch\u00fang l\u00e0 l\u00e0m n\u1ec1n cho l\u1edbp s\u01a1n l\u00f3t trong l\u1eafp r\u00e1p m\u00e1y bay. Tuy nhi\u00ean, c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00e2u \u00c2u \u0111ang d\u1ea7n h\u1ea1n ch\u1ebf quy tr\u00ecnh s\u1eed d\u1ee5ng crom hexavalent, th\u00fac \u0111\u1ea9y ng\u00e0nh c\u00f4ng nghi\u1ec7p chuy\u1ec3n sang Lo\u1ea1i IC (thay th\u1ebf axit crom b\u1eb1ng axit boric\/sunfuric) cho c\u00e1c ti\u00eau chu\u1ea9n m\u1edbi.<\/p>\n

Khi n\u00e0o c\u1ea7n ch\u1ec9 \u0111\u1ecbnh Lo\u1ea1i I:<\/strong> \u1ed1c v\u00edt ch\u00ednh x\u00e1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, b\u1ed9 ph\u1eadn y\u00eau c\u1ea7u d\u00e1n keo sau x\u1eed l\u00fd anodise, c\u00e1c th\u00e0nh ph\u1ea7n m\u00e0 s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc d\u00f9 ch\u1ec9 2\u20133 \u00b5m c\u0169ng quan tr\u1ecdng.<\/p>\n

Lo\u1ea1i II \u2014 Anodising Axit Sunfuric (Ti\u00eau chu\u1ea9n)<\/h3>\n

Lo\u1ea1i II l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn trong ng\u00e0nh anodising \u2014 qu\u00e1 tr\u00ecnh \u0111\u1ee9ng sau ph\u1ea7n l\u1edbn c\u00e1c v\u00edt nh\u00f4m anodised, c\u00e1c chi ti\u1ebft ki\u1ebfn tr\u00fac extrusions, v\u00e0 v\u1ecf h\u1ed9p \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng tr\u00ean th\u1ecb tr\u01b0\u1eddng. M\u1ed9t qu\u00e1 tr\u00ecnh lo\u1ea1i II ti\u00eau chu\u1ea9n t\u1ea1o ra l\u1edbp oxit d\u00e0y 8\u201325 \u00b5m, chia \u0111\u1ec1u gi\u1eefa s\u1ef1 ph\u00e1t tri\u1ec3n h\u01b0\u1edbng v\u00e0o trong (v\u00e0o nh\u00f4m) v\u00e0 h\u01b0\u1edbng ra ngo\u00e0i.<\/p>\n

C\u00e1c b\u1ed9 ph\u1eadn anodised lo\u1ea1i II c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nhu\u1ed9m m\u00e0u g\u1ea7n nh\u01b0 b\u1ea5t k\u1ef3 m\u00e0u n\u00e0o tr\u01b0\u1edbc khi \u0111\u00f3ng k\u00edn. C\u1ea5u tr\u00fac c\u1ed9t x\u1ed1p h\u1ea5p th\u1ee5 thu\u1ed1c nhu\u1ed9m h\u1eefu c\u01a1, pigment v\u00f4 c\u01a1 ho\u1eb7c kim lo\u1ea1i \u0111i\u1ec7n ph\u00e2n ph\u1ee7 (\u0111\u1ed3ng thau, \u0111en) v\u1edbi \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u tuy\u1ec7t v\u1eddi. Sau khi \u0111\u00f3ng k\u00edn, \u0111\u1ed9 b\u1ec1n m\u00e0u d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a UV thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 t\u00f9y theo lo\u1ea1i thu\u1ed1c nhu\u1ed9m: pigment v\u00f4 c\u01a1 (m\u00e0u s\u1eafc t\u00edch h\u1ee3p qua nhu\u1ed9m \u0111i\u1ec7n ph\u00e2n) v\u01b0\u1ee3t tr\u1ed9i h\u01a1n thu\u1ed1c nhu\u1ed9m h\u1eefu c\u01a1 trong c\u00e1c th\u1eed nghi\u1ec7m th\u1eddi ti\u1ebft t\u0103ng t\u1ed1c t\u1eeb 4\u201310 l\u1ea7n.<\/p>\n

Khi n\u00e0o c\u1ea7n ch\u1ec9 \u0111\u1ecbnh Lo\u1ea1i II:<\/strong> \u1ed1c v\u00edt ki\u1ebfn tr\u00fac, ph\u1ea7n c\u1ee9ng \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, v\u00edt anodised trang tr\u00ed, \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p chung, ph\u1ee5 ki\u1ec7n tr\u00ean m\u1eb7t n\u01b0\u1edbc c\u1ee7a t\u00e0u bi\u1ec3n.<\/p>\n

Lo\u1ea1i III \u2014 Anodising c\u1ee9ng (Hardcoat)<\/h3>\n

Anodising c\u1ee9ng ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n (0\u20135 \u00b0C) v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n cao h\u01a1n so v\u1edbi Lo\u1ea1i II, t\u1ea1o ra l\u1edbp oxit d\u00e0y 25\u2013100 \u00b5m v\u1edbi \u0111\u1ed9 c\u1ee9ng Vickers t\u1eeb 400\u2013600 HV \u2014 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u00e9p d\u1ee5ng c\u1ee5. \u0110\u1ec3 tham kh\u1ea3o, nh\u00f4m 6061-T6 c\u00f3 \u0111\u1ed9 c\u1ee9ng kho\u1ea3ng 95 HV. L\u1edbp anodised c\u1ef1c k\u1ef3 c\u1ee9ng h\u01a1n nhi\u1ec1u so v\u1edbi kim lo\u1ea1i b\u00ean d\u01b0\u1edbi.<\/p>\n

S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i: anodising c\u1ee9ng c\u00f3 \u0111\u1ed9 x\u1ed1p cao h\u01a1n so v\u1edbi Lo\u1ea1i II tr\u01b0\u1edbc khi \u0111\u00f3ng k\u00edn, v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ef1c l\u1edbn \u0111\u00f2i h\u1ecfi c\u00e1c sai s\u1ed1 ren ch\u1eb7t ch\u1ebd h\u01a1n ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf tr\u01b0\u1edbc khi anodising. Trong th\u1ef1c t\u1ebf, \u0111\u1ed1i v\u1edbi v\u00edt anodised ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i III, ren th\u01b0\u1eddng \u0111\u01b0\u1ee3c gia c\u00f4ng qu\u00e1 k\u00edch th\u01b0\u1edbc tr\u01b0\u1edbc khi anodising \u0111\u1ec3 c\u00e1c k\u00edch th\u01b0\u1edbc sau x\u1eed l\u00fd n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p.<\/p>\n

C\u00e1c b\u1ec1 m\u1eb7t anodised c\u1ee9ng c\u00f3 m\u00e0u x\u00e1m \u0111\u1eadm \u0111\u1ebfn \u0111en t\u1ef1 nhi\u00ean (l\u1edbp oxit d\u00e0y h\u01a1n h\u1ea5p th\u1ee5 nhi\u1ec1u \u00e1nh s\u00e1ng h\u01a1n). Ch\u00fang c\u00f3 th\u1ec3 nhu\u1ed9m \u0111en nh\u01b0ng hi\u1ebfm khi ch\u1ea5p nh\u1eadn m\u00e0u s\u00e1ng. PTFE c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ed3ng ph\u1ee7 trong c\u00e1c l\u1ed7 ch\u00e2n l\u00f4ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u0111\u1ec3 t\u1ea1o l\u1edbp t\u1ef1 b\u00f4i tr\u01a1n \u2014 ph\u1ed5 bi\u1ebfn cho c\u00e1c v\u00edt anodised trong c\u00e1c b\u1ed9 l\u1eafp gh\u00e9p nh\u00f4m v\u1edbi nh\u00f4m d\u1ec5 b\u1ecb galled.<\/p>\n

Khi n\u00e0o c\u1ea7n ch\u1ec9 \u0111\u1ecbnh Lo\u1ea1i III:<\/strong> b\u1ec1 m\u1eb7t ch\u1ecbu m\u00e0i m\u00f2n, th\u00e0nh ph\u1ea7n tr\u01b0\u1ee3t, l\u00f2ng xy lanh th\u1ee7y l\u1ef1c \u2014 v\u00e0 b\u1ea5t k\u1ef3 v\u00edt anodised n\u00e0o s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 th\u00e1o ra nhi\u1ec1u l\u1ea7n trong c\u00e1c l\u1ed7 tapped b\u1eb1ng nh\u00f4m.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Thu\u1ed9c t\u00ednh<\/th>\nLo\u1ea1i I (Chromic)<\/th>\nLo\u1ea1i II (Sunfuric)<\/th>\nLo\u1ea1i III (Hardcoat)<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 d\u00e0y oxit<\/td>\n0.5\u20137.5 \u00b5m<\/td>\n8\u201325 \u00b5m<\/td>\n25\u2013100 \u00b5m<\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng (HV)<\/td>\n~200<\/td>\n200\u2013300<\/td>\n400\u2013600<\/td>\n<\/tr>\n
Phun mu\u1ed1i (\u0111\u00f3ng k\u00edn)<\/td>\n336 gi\u1edd<\/td>\n500\u20131.000 gi\u1edd<\/td>\nH\u01a1n 1.000 gi\u1edd<\/td>\n<\/tr>\n
T\u00f9y ch\u1ecdn m\u00e0u s\u1eafc<\/td>\nCh\u1ec9 m\u00e0u x\u00e1m<\/td>\nD\u1ea3i m\u00e0u \u0111\u1ea7y \u0111\u1ee7<\/td>\nX\u00e1m \u0111\u1eadm\/\u0111en<\/td>\n<\/tr>\n
Thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc<\/td>\nKh\u00f4ng \u0111\u00e1ng k\u1ec3<\/td>\nTh\u1ea5p (<12 \u00b5m h\u01b0\u1edbng ra ngo\u00e0i)<\/td>\n\u0110\u00e1ng k\u1ec3 (\u0111\u1ebfn 50 \u00b5m h\u01b0\u1edbng ra ngo\u00e0i)<\/td>\n<\/tr>\n
Ti\u00eau chu\u1ea9n ch\u00ednh<\/td>\nMIL-A-8625 Lo\u1ea1i I<\/td>\nMIL-A-8625 Lo\u1ea1i II<\/td>\nMIL-A-8625 Lo\u1ea1i III<\/td>\n<\/tr>\n
Ch\u1ec9 s\u1ed1 chi ph\u00ed \u0111i\u1ec3n h\u00ecnh<\/td>\n1.3\u00d7<\/td>\n1.0\u00d7 (m\u1ed1c chu\u1ea9n)<\/td>\n2.5\u20133.5\u00d7<\/td>\n<\/tr>\n
H\u1ea1n ch\u1ebf v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\nCr(VI) (h\u1ea1n ch\u1ebf theo EU)<\/td>\nKh\u00f4ng c\u00f3<\/td>\nKh\u00f4ng c\u00f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u1ee8ng d\u1ee5ng c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1ec1 \u1ed1c v\u00edt Anodised<\/h2>\n

H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 Qu\u1ed1c ph\u00f2ng<\/h3>\n

Ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 l\u00e0 n\u01a1i y\u00eau c\u1ea7u anodising kh\u1eaft khe nh\u1ea5t, v\u00e0 n\u01a1i ph\u00e2n bi\u1ec7t gi\u1eefa Lo\u1ea1i I v\u00e0 Lo\u1ea1i III quan tr\u1ecdng nh\u1ea5t. C\u00e1c c\u1ea5u tr\u00fac m\u00e1y bay s\u1eed d\u1ee5ng \u1ed1c v\u00edt nh\u00f4m anodised \u2014 bu l\u00f4ng, v\u00edt, ch\u00e8n rivnut \u2014 v\u00ec nh\u00f4m nh\u1eb9 h\u01a1n th\u00e9p 65% khi c\u00f3 c\u00f9ng \u0111\u1ed9 b\u1ec1n k\u00e9o, v\u00e0 l\u1edbp anodised cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam kim lo\u1ea1i m\u1ea1 c\u00f3 th\u1ec3 g\u00e2y gh\u00e9p galvanic trong c\u00e1c m\u1ed1i gh\u00e9p composite s\u1ee3i carbon.<\/p>\n

Y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 cung c\u1ea5p ch\u00ednh Boeing v\u00e0 Airbus th\u01b0\u1eddng quy \u0111\u1ecbnh MIL-A-8625 theo lo\u1ea1i v\u00e0 h\u1ea1ng, v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 H\u1ea1ng 1 (kh\u00f4ng nhu\u1ed9m m\u00e0u) v\u00e0 H\u1ea1ng 2 (\u0111\u01b0\u1ee3c nhu\u1ed9m m\u00e0u). V\u00edt anodised c\u1ee9ng (Lo\u1ea1i III) \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u1edf n\u01a1i d\u1ef1 ki\u1ebfn l\u1eb7p l\u1ea1i c\u00e1c chu k\u1ef3 l\u1eafp \u0111\u1eb7t \u2014 c\u00e1c t\u1ea5m truy c\u1eadp, n\u1eafp khoang \u0111i\u1ec7n t\u1eed \u2014 v\u00ec l\u1edbp c\u1ee9ng ch\u1ed1ng m\u00e0i m\u00f2n ch\u1ed1ng l\u1ea1i nh\u00f4m m\u00e0 kh\u00f4ng c\u1ea7n d\u00f9ng c\u00e1c h\u1ee3p ch\u1ea5t ch\u1ed1ng d\u00ednh c\u00f3 th\u1ec3 l\u00e0m nhi\u1ec5m b\u1ea9n b\u1ec1 m\u1eb7t composite.<\/p>\n

Y\u00eau c\u1ea7u phun mu\u1ed1i trong ng\u00e0nh h\u00e0ng kh\u00f4ng th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 1.000 gi\u1edd theo ASTM B117. C\u00e1c v\u00edt nh\u00f4m anodised Lo\u1ea1i II v\u00e0 Lo\u1ea1i III \u0111\u01b0\u1ee3c ni\u00eam phong \u0111\u00fang c\u00e1ch \u0111\u00e1p \u1ee9ng ng\u01b0\u1ee1ng n\u00e0y; c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng ni\u00eam phong \u0111\u00fang c\u00e1ch s\u1ebd h\u1ecfng trong v\u00f2ng 200\u2013300 gi\u1edd.<\/p>\n

Ph\u1ea7n c\u1ee9ng h\u00e0ng h\u1ea3i v\u00e0 ngo\u00e0i tr\u1eddi<\/h3>\n

V\u00edt anodised \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i v\u00ec hai l\u00fd do: kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch galvanic t\u1ef1 nhi\u00ean c\u1ee7a nh\u00f4m v\u1edbi s\u1ee3i th\u1ee7y tinh v\u00e0 th\u00e2n t\u00e0u GFRP, v\u00e0 l\u1edbp anodised \u0111\u00e3 ni\u00eam phong ch\u1ed1ng l\u1ea1i kh\u00ed quy\u1ec3n ch\u1ee9a mu\u1ed1i. Tr\u00ean m\u1eb7t n\u01b0\u1edbc v\u00e0 trong v\u00f9ng phun n\u01b0\u1edbc, nh\u00f4m anodised Lo\u1ea1i II v\u01b0\u1ee3t tr\u1ed9i h\u01a1n th\u00e9p m\u1ea1 k\u1ebdm g\u1ea5p 5 l\u1ea7n trong th\u1eed nghi\u1ec7m ASTM B117, v\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac nh\u01b0 c\u00e1c b\u1ed9 ph\u1eadn m\u1ea1 k\u1ebdm.<\/p>\n

M\u1ed9t c\u1ea3nh b\u00e1o quan tr\u1ecdng: trong c\u00e1c \u1ee9ng d\u1ee5ng ng\u1eadp n\u01b0\u1edbc ho\u1eb7c v\u00f9ng phun n\u01b0\u1edbc nghi\u00eam tr\u1ecdng, th\u00e9p kh\u00f4ng g\u1ec9 316 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. L\u1edbp oxit anodised, ngay c\u1ea3 khi b\u1ecb h\u01b0 h\u1ea1i c\u1ee5c b\u1ed9, kh\u00f4ng cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 cathodic hy sinh nh\u01b0 l\u1edbp m\u1ea1 k\u1ebdm. M\u1ed9t v\u00edt anodised b\u1ecb tr\u1ea7y x\u01b0\u1edbc s\u1ebd b\u1ecb \u0103n m\u00f2n t\u1ea1i v\u1ebft tr\u1ea7y; m\u1ed9t v\u00edt m\u1ea1 k\u1ebdm b\u1ecb tr\u1ea7y v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 t\u1eeb k\u1ebdm xung quanh.<\/p>\n

\u0110\u1ed1i v\u1edbi ph\u1ea7n c\u1ee9ng bo m\u1ea1ch h\u00e0ng h\u1ea3i \u2014 ch\u00e2n \u0111\u1ebf t\u1eddi, m\u00f3c bu\u1ed9c, gi\u00e1 \u0111\u1ee1 pin m\u1eb7t tr\u1eddi \u2014 v\u00edt nh\u00f4m anodised lo\u1ea1i 6061-T6 v\u1edbi l\u1edbp ho\u00e0n thi\u1ec7n Lo\u1ea1i II v\u00e0 l\u1edbp ph\u1ee7 trong su\u1ed1t H\u1ea1ng 2 (trong su\u1ed1t) l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd: nh\u1eb9, ch\u1ed1ng \u0103n m\u00f2n, v\u00e0 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9 v\u1edbi ph\u1ea7n c\u1ee9ng bo m\u1ea1ch nh\u00f4m anodised.<\/p>\n

\u0110i\u1ec7n t\u1eed ki\u1ebfn tr\u00fac v\u00e0 ti\u00eau d\u00f9ng<\/h3>\n

Ng\u00e0nh ki\u1ebfn tr\u00fac ti\u00eau th\u1ee5 nhi\u1ec1u nh\u00f4m anodised h\u01a1n b\u1ea5t k\u1ef3 ng\u00e0nh n\u00e0o kh\u00e1c \u2014 c\u00e1c thanh nh\u00f4m cho t\u01b0\u1eddng r\u00e8m, khung c\u1eeda s\u1ed5, t\u1ea5m \u1ed1p \u2014 v\u00e0 c\u00e1c v\u00edt c\u00f9ng c\u00e1c b\u1ed9 b\u1eaft t\u1ef1 khoan d\u00f9ng \u0111\u1ec3 l\u1eafp r\u00e1p c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c anodised \u0111\u1ec3 ph\u00f9 h\u1ee3p. S\u1ef1 nh\u1ea5t qu\u00e1n m\u00e0u s\u1eafc gi\u1eefa t\u1ea5m v\u00e0 v\u00edt l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c th\u1ef1c s\u1ef1 v\u1ec1 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt: m\u00e0u anodising ph\u1ee5 thu\u1ed9c v\u00e0o th\u00e0nh ph\u1ea7n h\u1ee3p kim, \u0111\u1ed9 d\u00e0y oxit, l\u00f4 nhu\u1ed9m, v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ni\u00eam phong. Vi\u1ec7c ch\u1ec9 \u0111\u1ecbnh c\u00e1c v\u00edt anodised t\u1eeb c\u00f9ng nh\u00e0 anodiser s\u1eed d\u1ee5ng c\u00f9ng c\u00e1c tham s\u1ed1 nh\u01b0 c\u00e1c thanh nh\u00f4m l\u00e0 c\u00e1ch duy nh\u1ea5t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9.<\/p>\n

Trong \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng \u2014 laptop, m\u00e1y t\u00ednh b\u1ea3ng, thi\u1ebft b\u1ecb \u00e2m thanh \u2014 v\u00edt nh\u00f4m anodised xu\u1ea5t hi\u1ec7n \u1edf b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o nh\u00e0 thi\u1ebft k\u1ebf mu\u1ed1n c\u00f3 ph\u1ea7n c\u1ee9ng r\u00f5 r\u00e0ng ph\u00f9 h\u1ee3p v\u1edbi v\u1ecf anodised. V\u00ed d\u1ee5, Apple s\u1eed d\u1ee5ng v\u00edt nh\u00f4m anodised gia c\u00f4ng ch\u00ednh x\u00e1c trong khung MacBook Pro ph\u00f9 h\u1ee3p v\u1edbi l\u1edbp ho\u00e0n thi\u1ec7n Space Grey ho\u1eb7c Silver trong v\u00f2ng \u0394E < 1.5 \u0111\u01a1n v\u1ecb ch\u00eanh l\u1ec7ch m\u00e0u s\u1eafc.<\/p>\n

\n

C\u00e1ch ch\u1ecdn v\u00edt anodised ph\u00f9 h\u1ee3p<\/h2>\n

L\u1ef1a ch\u1ecdn h\u1ee3p kim v\u00e0 kh\u1ea3 n\u0103ng anodising<\/h3>\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c h\u1ee3p kim nh\u00f4m \u0111\u1ec1u anodise t\u1ed1t nh\u01b0 nhau. The d\u00f2ng 6000<\/strong> (6061, 6063, 6082) l\u00e0 d\u00f2ng \u0111\u01b0\u1ee3c anodise ph\u1ed5 bi\u1ebfn nh\u1ea5t: kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi sau x\u1eed l\u00fd, \u0111\u1ed9 nh\u1ea5t qu\u00e1n m\u00e0u s\u1eafc t\u1ed1t, v\u00e0 ph\u1ea1m vi quy tr\u00ecnh kh\u00e1 r\u1ed9ng r\u00e3i. 6061-T6 l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn cho c\u00e1c b\u1ed9 ph\u1eadn nhanh ch\u00f3ng c\u1ea5u tr\u00fac anodised.<\/p>\n

C\u00e1c D\u00e3y 7000<\/strong> (7075, 7050) c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n \u2014 7075-T6 \u0111\u1ea1t 570 MPa so v\u1edbi 310 MPa c\u1ee7a 6061-T6 \u2014 nh\u01b0ng anodise \u00edt \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n do c\u00e1c h\u1ee3p kim k\u1ebdm v\u00e0 \u0111\u1ed3ng. Anod h\u00f3a c\u1ee9ng c\u1ee7a 7075 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c nh\u01b0ng t\u1ea1o ra l\u1edbp m\u1ecfng h\u01a1n, kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t b\u1ed3n ch\u1ee9a ch\u1eb7t ch\u1ebd h\u01a1n. \u0110\u1ed1i v\u1edbi v\u00edt anod h\u00f3a ch\u1ecbu l\u1ef1c cao, 7075 l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p n\u1ebfu \u0111\u1ed9 b\u1ec1n l\u00e0 \u01b0u ti\u00ean; ch\u1ea5p nh\u1eadn v\u1ebb ngo\u00e0i k\u00e9m h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng \u0103n m\u00f2n th\u1ea5p h\u01a1n.<\/p>\n

C\u00e1c D\u00e3y 2000<\/strong> (2024) ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng \u0111\u1ed3ng cao, \u0111i\u1ec1u n\u00e0y ho\u1ea1t \u0111\u1ed9ng ch\u1ed1ng l\u1ea1i qu\u00e1 tr\u00ecnh anodise \u2014 c\u00e1c k\u1ebft t\u1ee7a gi\u00e0u \u0111\u1ed3ng t\u1ea1o ra c\u00e1c v\u00f9ng t\u1ea5n c\u00f4ng \u01b0u ti\u00ean trong l\u1edbp oxit. Anod h\u00f3a axit crom lo\u1ea1i I \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1eb7c bi\u1ec7t cho 2024 trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u00ec n\u00f3 nh\u1eb9 nh\u00e0ng h\u01a1n v\u00e0 ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi nh\u1eefng b\u1ea5t th\u01b0\u1eddng \u0111\u00f3. Tr\u00e1nh ch\u1ec9 \u0111\u1ecbnh anod h\u00f3a lo\u1ea1i II ho\u1eb7c III cho v\u00edt d\u00f2ng 2000 trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ch\u1ed1ng \u0103n m\u00f2n cao.<\/p>\n

T\u00f9y ch\u1ecdn m\u00e0u s\u1eafc v\u00e0 nhu\u1ed9m<\/h3>\n

C\u00e1c m\u00e0u anod h\u00f3a ti\u00eau chu\u1ea9n c\u00f3 s\u1eb5n t\u1eeb h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 anod h\u00f3a s\u1ea3n xu\u1ea5t:<\/p>\n