{"id":8860,"date":"2019-12-24T15:47:20","date_gmt":"2019-12-24T08:47:20","guid":{"rendered":"https:\/\/phelieu247.com\/?p=8860"},"modified":"2020-02-20T14:48:49","modified_gmt":"2020-02-20T07:48:49","slug":"hop-kim-cua-dong","status":"publish","type":"post","link":"https:\/\/phelieu247.com\/en\/hop-kim-cua-dong\/","title":{"rendered":"H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng \u2013 C\u00e1c lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a ch\u00fang"},"content":{"rendered":"

Sorry, this entry is only available in Ti\u1ebfng Vi\u1ec7t<\/a>. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.<\/p>

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H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn r\u1ed9ng r\u00e3i \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 cao. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng qu\u00e1 tr\u00ecnh h\u1ee3p kim h\u00f3a: \u0111\u1ec3 t\u1ea1o ra m\u1ed9t v\u1eadt li\u1ec7u r\u1eafn t\u1eeb hai ho\u1eb7c nhi\u1ec1u kim lo\u1ea1i kh\u00e1c nhau. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p \u0111\u1ed3ng v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c, m\u1ed9t lo\u1ea1t c\u00e1c h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft m\u1ecdi \u1ee9ng d\u1ee5ng.<\/p>\n

\"H\u1ee3p<\/p>\n

C\u00f3 ni\u00ean \u0111\u1ea1i t\u1eeb th\u1eddi ti\u1ec1n s\u1eed, \u0111\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t.\u00a0Th\u1eadm ch\u00ed ng\u00e0y nay, vai tr\u00f2 c\u1ee7a \u0111\u1ed3ng trong nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m \u0111i\u1ec7n v\u00e0 nhi\u1ec7t kh\u00f4ng th\u1ec3 b\u1ecb b\u00e1c b\u1ecf.\u00a0C\u00f3 th\u1ec3 hi\u1ec3u r\u1eb1ng \u0111\u1ed3ng r\u1ea5t ph\u1ed5 bi\u1ebfn trong c\u1ea3 s\u1eed d\u1ee5ng trong n\u01b0\u1edbc v\u00e0 c\u00f4ng nghi\u1ec7p do t\u00ednh ch\u1ea5t c\u1ee7a n\u00f3 l\u00e0m cho kim lo\u1ea1i t\u00e1ch bi\u1ec7t.<\/p>\n

X\u00e9t v\u1ec1 kh\u1ea3 n\u0103ng kim lo\u1ea1i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00e0nh nhi\u1ec1u s\u1ea3n ph\u1ea9m kh\u00e1c nhau, \u0111\u1ed3ng c\u00f3 th\u1ec3 ch\u1ee9ng t\u1ecf l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i n\u0103ng \u0111\u1ed9ng v\u00e0 linh ho\u1ea1t nh\u1ea5t.<\/p>\n

Khi \u0111\u01b0\u1ee3c h\u1ee3p kim v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c, th\u00f4ng th\u01b0\u1eddng, kim lo\u1ea1i t\u0103ng nhi\u1ec1u h\u01a1n v\u1ec1 \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, v.v.. \u0110\u1ed3ng nguy\u00ean ch\u1ea5t th\u01b0\u1eddng c\u00f3 k\u1ebft c\u1ea5u kh\u00e1 m\u1ec1m, gi\u1ed1ng nh\u01b0 v\u00e0ng nguy\u00ean ch\u1ea5t. Khi s\u1eed d\u1ee5ng \u0111\u1ed3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m, c\u1ea7n ph\u1ea3i tr\u1ed9n ch\u00fang v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c \u0111\u1ec3 t\u1ea1o ra h\u1ee3p kim h\u00e0n cho m\u00e1y photocopy. H\u1ecd c\u0169ng gi\u00fap gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111\u1ed3ng nguy\u00ean ch\u1ea5t, n\u00f3 d\u1ec5 h\u00f2a tan h\u01a1n khi n\u00f3ng.<\/p>\n

C\u00e1c lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng<\/strong><\/h2>\n

C\u00f3 h\u01a1n 400 h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng<\/a>, m\u1ed7i h\u1ee3p kim c\u00f3 m\u1ed9t t\u00ednh ch\u1ea5t k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o, \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng, y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng cao, quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/strong><\/p>\n

Kh\u00f4ng c\u00f3 kim lo\u1ea1i kh\u00e1c c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c m\u00e0u h\u1ea5p d\u1eabn c\u00f3 th\u1ec3 so s\u00e1nh v\u1edbi \u0111\u1ed3ng v\u00e0 h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng. M\u00e0u \u0111\u1ecf c\u1ee7a \u0111\u1ed3ng, v\u00e0ng c\u1ee7a \u0111\u1ed3ng thau v\u00e0 \u0111\u1ed3ng thau nh\u00f4m, n\u00e2u s\u00f4 c\u00f4 la c\u1ee7a \u0111\u1ed3ng mangan, patin xanh v\u00e0 b\u1ea1c niken tr\u1eafng s\u00e1ng b\u00f3ng cho ph\u00e9p c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf khai th\u00e1c \u0111\u1ed3ng theo c\u00e1ch v\u00f4 h\u1ea1n.<\/p>\n

Danh s\u00e1ch h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng<\/strong><\/h3>\n

Trong su\u1ed1t th\u1ebf k\u1ef7 18 v\u00e0 19, m\u1ed9t h\u1ee3p kim \u0111\u1ed3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 latten. Th\u00f4ng th\u01b0\u1eddng, latten \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed3ng. Tuy nhi\u00ean, \u0111\u00f4i khi latten \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t h\u1ee3p kim ch\u00ec, m\u1ea1 thi\u1ebfc tr\u00ean s\u1eaft ho\u1eb7c b\u1ea5t k\u1ef3 kim lo\u1ea1i n\u00e0o \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf d\u01b0\u1edbi d\u1ea1ng m\u1ed9t t\u1ea5m m\u1ecfng. V\u00ec l\u00fd do n\u00e0y, h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean c\u1ee5 th\u1ec3 h\u01a1n ng\u00e0y nay.<\/p>\n

\"Danh<\/p>\n

\u0110\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng. Trong \u0111\u00f3 \u0111\u1ed3ng th\u01b0\u1eddng l\u00e0 kim lo\u1ea1i c\u01a1 b\u1ea3n.<\/p>\n

\u2013 \u0110\u1ed3ng th\u1ea1ch t\u00edn<\/p>\n

\u2013 \u0110\u1ed3ng berili (berili)<\/p>\n

\u2013 Billon (b\u1ea1c)<\/p>\n

\u2013 \u0110\u1ed3ng thau (k\u1ebdm)<\/p>\n

\u2013 \u0110\u1ed3ng thau calamine\u00a0(k\u1ebdm)<\/p>\n

\u2013 B\u1ea1c trung qu\u1ed1c (k\u1ebdm)<\/p>\n

\u2013 Kim lo\u1ea1i h\u00e0 lan (k\u1ebdm)<\/p>\n

\u2013 M\u1ea1 v\u00e0ng kim lo\u1ea1i (k\u1ebdm)<\/p>\n

\u2013 Kim lo\u1ea1i muntz (k\u1ebdm)<\/p>\n

\u2013 Pinchbeck (k\u1ebdm)<\/p>\n

\u2013 Kim lo\u1ea1i ho\u00e0ng t\u1eed (k\u1ebdm)<\/p>\n

\u2013 Tombac (k\u1ebdm)<\/p>\n

\u2013 \u0110\u1ed3ng (thi\u1ebfc, nh\u00f4m ho\u1eb7c b\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o kh\u00e1c)<\/p>\n

\u2013 Nh\u00f4m \u0111\u1ed3ng\u00a0(nh\u00f4m)<\/p>\n

\u2013 \u0110\u1ed3ng th\u1ea1ch t\u00edn<\/p>\n

\u2013 Chu\u00f4ng kim lo\u1ea1i (thi\u1ebfc)<\/p>\n

\u2013 \u0110\u1ed3ng florentine (nh\u00f4m ho\u1eb7c thi\u1ebfc)<\/p>\n

\u2013 Glucydur<\/p>\n

\u2013 Quanin<\/p>\n

\u2013 Gunmetal (thi\u1ebfc, k\u1ebdm)<\/p>\n

\u2013 Ph\u1ed1t pho \u0111\u1ed3ng (thi\u1ebfc v\u00e0 ph\u1ed1t pho)<\/p>\n

\u2013 Ormolu (\u0111\u1ed3ng m\u1ea1 v\u00e0ng) (k\u1ebdm)<\/p>\n

\u2013 M\u1ecf kim lo\u1ea1i (thi\u1ebfc)<\/p>\n

\u2013 Constantan (niken)<\/p>\n

\u2013 \u0110\u1ed3ng vonfram (vonfram)<\/p>\n

\u2013 \u0110\u1ed3ng corinthian (v\u00e0ng, b\u1ea1c)<\/p>\n

\u2013 Cunife (niken, s\u1eaft)<\/p>\n

\u2013 Cupronickel (niken)<\/p>\n

\u2013 H\u1ee3p kim cymbal (chu\u00f4ng kim lo\u1ea1i) (thi\u1ebfc)<\/p>\n

\u2013 H\u1ee3p kim c\u1ee7a devarda (nh\u00f4m, k\u1ebdm)<\/p>\n

\u2013 Electrum (v\u00e0ng, b\u1ea1c)<\/p>\n

\u2013 Hepatizon (v\u00e0ng, b\u1ea1c)<\/p>\n

\u2013 H\u1ee3p kim heusler (mangan, thi\u1ebfc)<\/p>\n

\u2013 Manganin (mangan, niken)<\/p>\n

\u2013 B\u1ea1c niken (niken)<\/p>\n

\u2013 V\u00e0ng b\u1eafc \u00e2u (nh\u00f4m, k\u1ebdm, thi\u1ebfc)<\/p>\n

\u2013 Shakudo (v\u00e0ng)<\/p>\n

\u2013 Tumbaga (v\u00e0ng)<\/p>\n

\u0110\u1ed3ng nguy\u00ean ch\u1ea5t c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 nhi\u1ec7t t\u1ed1t nh\u1ea5t so v\u1edbi b\u1ea5t k\u1ef3 kim lo\u1ea1i th\u01b0\u01a1ng m\u1ea1i n\u00e0o. C\u00e1c d\u1ea1ng \u0111\u1ed3ng h\u1ee3p kim t\u1ef1 do h\u01a1n h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i v\u00e0 v\u1edbi m\u1ed9t lo\u1ea1t c\u00e1c nguy\u00ean t\u1ed1 h\u1ee3p kim \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ee3p kim sau..<\/p>\n

Ch\u00fang ta h\u00e3y xem m\u1ed9t s\u1ed1 h\u1ee3p kim \u0111\u1ed3ng v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a ch\u00fang:<\/strong><\/p>\n

\u0110\u1ed3ng thau<\/strong><\/h4>\n

\u0110\u1ed3ng thau<\/strong><\/a> l\u00e0 thu\u1eadt ng\u1eef chung cho m\u1ed9t lo\u1ea1t c\u00e1c h\u1ee3p kim \u0111\u1ed3ng – k\u1ebdm; \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh ra \u0111\u1ed3ng tr\u1ed9n v\u1edbi 45% k\u1ebdm v\u1edbi s\u1ef1 k\u1ebft h\u1ee3p c\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c nhau; m\u1ed9t ch\u00fat t\u1ec9 l\u1ec7 ch\u00ec \u0111\u1ec3 cung c\u1ea5p n\u0103ng ch\u1ebf bi\u1ebfn v\u00e0 thi\u1ebfc cho s\u1ee9c m\u1ea1nh.. Bao g\u1ed3m c\u01b0\u1eddng \u0111\u1ed9, kh\u1ea3 n\u0103ng gia c\u00f4ng, \u0111\u1ed9 d\u1ebbo, ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 c\u1ee9ng, m\u00e0u s\u1eafc, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n

\"\u0110\u1ed3ng<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p th\u00e0nh ph\u1ea7n k\u1ebdm l\u00e0 th\u00eam, s\u1ee9c m\u1ea1nh c\u1ee7a h\u1ee3p kim t\u0103ng l\u00ean. C\u00f3 ba lo\u1ea1i ch\u1ee7 y\u1ebfu l\u00e0 h\u1ee3p kim \u0111\u1ed3ng – k\u1ebdm – h\u1ee3p kim k\u1ebdm \u0111\u1ed3ng, h\u1ee3p kim \u0111\u1ed3ng – k\u1ebdm – thi\u1ebfc v\u00e0 h\u1ee3p kim \u0111\u1ed3ng – k\u1ebdm – ch\u00ec.<\/p>\n

S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a \u0111\u1ed3ng thau l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n, ph\u1ee5 ki\u1ec7n, \u1ed5 kh\u00f3a, tay n\u1eafm c\u1eeda, ki\u1ebfn \u200b\u200btr\u00fac, v.v…<\/p>\n

\u0110\u1ed3ng thi\u1ebfc (\u0111\u1ed3ng thanh)<\/strong><\/h4>\n

\u0110\u1ed3ng thi\u1ebfc l\u00e0 m\u1ed9t h\u1ee3p kim h\u00e0n \u0111\u1ed3ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb thi\u1ebfc pha tr\u1ed9n v\u00e0 m\u1ed9t trong c\u00e1c nguy\u00ean t\u1ed1 ph\u1ed1t pho – nh\u00f4m, niken, magi\u00ea, v.v…; v\u00e0 l\u00e0 s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n kho\u1ea3ng b\u1ed1n ngh\u00ecn n\u0103m tr\u01b0\u1edbc. Ch\u00fang quan tr\u1ecdng \u0111\u1ebfn m\u1ee9c ch\u00fang d\u1eabn \u0111\u1ebfn m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean l\u00e0 th\u1eddi \u0111\u1ea1i \u0111\u1ed3 \u0111\u1ed3ng.<\/p>\n

Th\u1ebf nh\u01b0ng, \u0111\u1ed3ng thi\u1ebfc b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi v\u00ec \u0111\u1eb7c t\u00ednh ch\u1ed1ng \u0103n m\u00f2n, c\u01b0\u1eddng \u0111\u1ed9 v.v… v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho ki\u1ebfn \u200b\u200btr\u00fac, s\u1ea3n xu\u1ea5t l\u00f2 xo, ph\u1ee5 ki\u1ec7n , k\u1ebft n\u1ed1i, thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, v.v…<\/p>\n

H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng v\u00e0 niken<\/strong><\/h4>\n

H\u1ee3p kim \u0111\u1ed3ng – niken c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n bi\u1ec3n tuy\u1ec7t v\u1eddi. \u0110\u1ed3ng tr\u1ed9n v\u1edbi niken t\u1ea1o th\u00e0nh bi\u1ebfn th\u1ec3 n\u00e0y v\u00e0 n\u00f3i chung l\u00e0 nh\u1eefng g\u00ec b\u1ecb ki\u1ec7n cho \u0111\u01b0\u1eddng \u1ed1ng, v\u1ecf thuy\u1ec1n, v.v… Vi\u1ec7c b\u1ed5 sung niken v\u00e0o \u0111\u1ed3ng gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, nh\u01b0ng \u0111\u1ed9 d\u1ebbo t\u1ed1t v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef l\u1ea1i.<\/p>\n

C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng l\u00e0m cho ch\u00fang d\u1ec5 u\u1ed1n h\u01a1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi \u0111\u1ed3ng nguy\u00ean ch\u1ea5t.<\/p>\n

H\u1ee3p kim b\u1ea1c niken<\/strong><\/h4>\n

Lo\u1ea1i kim lo\u1ea1i n\u00e0y c\u00f3 b\u1ec1 ngo\u00e0i r\u1ea5t d\u1ec5 g\u00e2y hi\u1ec3u l\u1ea7m, gi\u1ed1ng nh\u01b0 b\u1ea1c d\u1eabn \u0111\u1ebfn c\u00e1i t\u00ean kh\u00f3 hi\u1ec3u c\u1ee7a n\u00f3. Ch\u00fang l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a \u0111\u1ed3ng v\u1edbi niken, k\u1ebdm v\u00e0 \u0111\u00f4i khi l\u00e0 ch\u00ec. H\u1ee3p kim b\u1ea1c niken \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb \u0111\u1ed3ng, niken v\u00e0 k\u1ebdm, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u1ed3ng thau \u0111\u1eb7c bi\u1ec7t. Ch\u00fang c\u00f3 v\u1ebb ngo\u00e0i m\u00e0u b\u1ea1c h\u1ea5p d\u1eabn h\u01a1n l\u00e0 m\u00e0u \u0111\u1ed3ng thau \u0111i\u1ec3n h\u00ecnh.<\/p>\n

Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh th\u1eddi trang, \u0111\u1ed3 trang s\u1ee9c, ch\u00eca kh\u00f3a, v.v…<\/p>\n

H\u1ee3p kim Gunmetals<\/strong><\/h4>\n

Gunmetals l\u00e0 h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng v\u1edbi thi\u1ebfc, k\u1ebdm v\u00e0 ch\u00ec v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u00edt nh\u1ea5t 2000 n\u0103m do d\u1ec5 \u0111\u00fac v\u00e0 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t.<\/p>\n

H\u1ee3p kim \u0110\u1ed3ng berili<\/strong><\/h4>\n

Beryllium \u0111\u1ed3ng l\u00e0 c\u1ee9ng nh\u1ea5t v\u00e0 m\u1ea1nh nh\u1ea5t trong s\u1ed1 c\u00e1c h\u1ee3p kim \u0111\u1ed3ng, trong \u0111i\u1ec1u ki\u1ec7n x\u1eed l\u00fd nhi\u1ec7t v\u00e0 l\u00e0m l\u1ea1nh ho\u00e0n to\u00e0n.\u00a0N\u00f3 c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nhi\u1ec1u lo\u1ea1i th\u00e9p h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao, nh\u01b0ng so v\u1edbi th\u00e9p, n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n.<\/p>\n

Gi\u1edbi thi\u1ec7u v\u1ec1 L\u1ecbch s\u1eed c\u1ee7a \u0110\u1ed3ng v\u00e0 H\u1ee3p kim c\u1ee7a n\u00f3<\/strong><\/h2>\n

\u0110\u1ed3ng l\u00e0 kim lo\u1ea1i l\u00e2u \u0111\u1eddi nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi con ng\u01b0\u1eddi. N\u00f3 s\u1eed d\u1ee5ng t\u1eeb th\u1eddi ti\u1ec1n s\u1eed. \u0110\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c khai th\u00e1c trong h\u01a1n 10.000 n\u0103m v\u1edbi m\u1eb7t d\u00e2y chuy\u1ec1n b\u1eb1ng \u0111\u1ed3ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y \u1edf Iraq ng\u00e0y nay c\u00f3 ni\u00ean \u0111\u1ea1i l\u00e0 8700BC. V\u00e0o n\u0103m 5000BC, \u0111\u1ed3ng \u0111\u00e3 \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y t\u1eeb c\u00e1c Oxit \u0111\u1ed3ng \u0111\u01a1n gi\u1ea3n.<\/p>\n

\u0110\u1ed3ng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y d\u01b0\u1edbi d\u1ea1ng kim lo\u1ea1i t\u1ef1 nhi\u00ean v\u00e0 trong c\u00e1c kho\u00e1ng ch\u1ea5t cuprite, malachite, azurite, chalcopyrite v\u00e0 sinh ra. N\u00f3 c\u0169ng th\u01b0\u1eddng l\u00e0 s\u1ea3n ph\u1ea9m ph\u1ee5 c\u1ee7a s\u1ea3n xu\u1ea5t b\u1ea1c. Sulphide, oxit v\u00e0 carbonate l\u00e0 nh\u1eefng qu\u1eb7ng quan tr\u1ecdng nh\u1ea5t.<\/p>\n

\"Gi\u1edbi<\/p>\n

\u0110\u1ed3ng v\u00e0 h\u1ee3p kim \u0111\u1ed3ng l\u00e0 m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt linh ho\u1ea1t nh\u1ea5t hi\u1ec7n c\u00f3. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd nh\u01b0 c\u01b0\u1eddng \u0111\u1ed9, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, kh\u1ea3 n\u0103ng gia c\u00f4ng v\u00e0 \u0111\u1ed9 d\u1ebbo l\u00e0m cho \u0110\u1ed3ng th\u00edch h\u1ee3p cho nhi\u1ec1u \u1ee9ng d\u1ee5ng. C\u00e1c t\u00ednh ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 trong th\u00e0nh ph\u1ea7n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t.<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng cu\u1ed1i c\u00f9ng l\u1edbn nh\u1ea5t cho \u0110\u1ed3ng l\u00e0 trong ng\u00e0nh x\u00e2y d\u1ef1ng. Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng, vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u d\u1ef1a tr\u00ean \u0111\u1ed3ng r\u1ea5t r\u1ed9ng. C\u00e1c \u1ee9ng d\u1ee5ng li\u00ean quan \u0111\u1ebfn ng\u00e0nh x\u00e2y d\u1ef1ng cho \u0110\u1ed3ng bao g\u1ed3m:<\/p>\n

~ T\u1ea5m l\u1ee3p<\/p>\n

~ L\u1edbp ph\u1ee7<\/p>\n

~ H\u1ec7 th\u1ed1ng n\u01b0\u1edbc m\u01b0a<\/p>\n

~ H\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m<\/p>\n

~ \u1ed0ng n\u01b0\u1edbc v\u00e0 ph\u1ee5 ki\u1ec7n<\/p>\n

~ \u0110\u01b0\u1eddng d\u1ea7u kh\u00ed<\/p>\n

~ D\u00e2y \u0111i\u1ec7n<\/p>\n

C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111ang s\u1eed d\u1ee5ng \u0111\u1ed3ng<\/strong><\/h3>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng l\u00e0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng h\u1ee3p kim \u0111\u1ed3ng l\u1edbn nh\u1ea5t. Danh s\u00e1ch sau \u0111\u00e2y l\u00e0 b\u1ea3ng ph\u00e2n t\u00edch ti\u00eau th\u1ee5 \u0111\u1ed3ng theo ng\u00e0nh h\u00e0ng n\u0103m:<\/p>\n

~ C\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng – 47%<\/p>\n

~ S\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed – 23%<\/p>\n

~ V\u1eadn t\u1ea3i – 10%<\/p>\n

~ S\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng – 11%<\/p>\n

~ M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p – 9%<\/p>\n

C\u00f3 kho\u1ea3ng 370 ch\u1ebf ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i cho h\u1ee3p kim \u0111\u1ed3ng.\u00a0H\u1ee3p kim ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u00f3 xu h\u01b0\u1edbng l\u00e0 C106 \/ CW024A – lo\u1ea1i \u1ed1ng n\u01b0\u1edbc ti\u00eau chu\u1ea9n c\u1ee7a \u0110\u1ed3ng.<\/p>\n

Ti\u00eau th\u1ee5 \u0111\u1ed3ng v\u00e0 h\u1ee3p kim \u0111\u1ed3ng tr\u00ean th\u1ebf gi\u1edbi hi\u1ec7n \u0111\u00e3 v\u01b0\u1ee3t qu\u00e1 18 tri\u1ec7u t\u1ea5n m\u1ed7i n\u0103m.<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111\u1ed3ng v\u00e0 h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng<\/strong><\/h3>\n

H\u1ee3p kim \u0111\u1ed3ng v\u00e0 \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t lo\u1ea1t c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t.\u00a0M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng fro Copper bao g\u1ed3m:<\/p>\n

~ \u0110\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i \u0111i\u1ec7n<\/p>\n

~ \u1ee8ng d\u1ee5ng ki\u1ebfn \u200b\u200btr\u00fac<\/p>\n

~ D\u1ee5ng c\u1ee5 n\u1ea5u \u0103n<\/p>\n

~ Bugi<\/p>\n

~ D\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p v\u00e0 thanh c\u00e1i<\/p>\n

~ D\u00e2y d\u1eabn cao<\/p>\n

~ \u0110i\u1ec7n c\u1ef1c<\/p>\n

~ B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/p>\n

~ \u1ed0ng l\u1ea1nh<\/p>\n

~ H\u1ec7 th\u1ed1ng n\u01b0\u1edbc<\/p>\n

~ Ch\u00e9n \u0111\u1ed3ng l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc<\/p>\n

Ngo\u00e0i ra, c\u00f2n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c cho h\u1ee3p kim \u0111\u1ed3ng thau v\u00e0 \u0111\u1ed3ng.<\/p>\n

K\u1ebft c\u1ea5u c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng<\/strong><\/h3>\n

\u0110\u1ed3ng c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 kh\u1ed1i trung t\u00e2m m\u1eb7t (FCC). \u0110\u1ed3ng v\u00e0 h\u1ee3p kim c\u1ee7a n\u00f3 c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c m\u00e0u v\u00e0ng \/ n\u00e2u \/ \u0111\u1ecf v\u00e0 khi \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng ph\u00e1t tri\u1ec3n m\u1ed9t \u00e1nh kim lo\u1ea1i s\u00e1ng.<\/p>\n

T\u00e1i ch\u1ebf \u0111\u1ed3ng c\u00f3 d\u1ec5 kh\u00f4ng?<\/strong><\/h3>\n

H\u1ee3p kim \u0111\u1ed3ng r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u00e1i ch\u1ebf. Kho\u1ea3ng 40% l\u01b0\u1ee3ng ti\u00eau th\u1ee5 h\u00e0ng n\u0103m c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb vi\u1ec7c thu mua \u0111\u1ed3ng ph\u1ebf li\u1ec7u<\/strong><\/a> v\u00e0 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf l\u1ea1i.<\/p>\n

T\u1ef7 l\u1ec7 t\u00e1i ch\u1ebf \u0111\u1ed1i v\u1edbi \u0110\u1ed3ng gia c\u00f4ng t\u1ef1 do (CZ121 \/ CW614N) \u0111\u1eb7c bi\u1ec7t cao v\u1edbi phoi s\u1ea1ch \/ kh\u00f4 c\u00f3 gi\u00e1 tr\u1ecb cao, g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c t\u00ednh to\u00e1n l\u1ee3i \u00edch chi ph\u00ed trong l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u.<\/p>\n

T\u00ednh ch\u1ea5t c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng<\/strong><\/h3>\n

\u0110\u1ed3ng l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u d\u1ebbo dai, d\u1ec5 u\u1ed1n v\u00e0 d\u1ec5 u\u1ed1n.\u00a0Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y l\u00e0m cho \u0111\u1ed3ng c\u1ef1c k\u1ef3 th\u00edch h\u1ee3p cho vi\u1ec7c t\u1ea1o \u1ed1ng, v\u1ebd d\u00e2y, k\u00e9o s\u1ee3i v\u00e0 v\u1ebd s\u00e2u.\u00a0C\u00e1c thu\u1ed9c t\u00ednh quan tr\u1ecdng kh\u00e1c \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1edfi \u0110\u1ed3ng v\u00e0 h\u1ee3p kim c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n

~ \u0110\u1ed9 d\u1eabn nhi\u1ec7t tuy\u1ec7t v\u1eddi<\/p>\n

~ \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n tuy\u1ec7t v\u1eddi<\/p>\n

~ Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t<\/p>\n

~ S\u1ee9c \u0111\u1ec1 kh\u00e1ng sinh h\u1ecdc t\u1ed1t<\/p>\n

~ Kh\u1ea3 n\u0103ng gia c\u00f4ng t\u1ed1t<\/p>\n

~ Duy tr\u00ec c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 v\u00e0 \u0111i\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 \u0111\u00f4ng l\u1ea1nh<\/p>\n

~ Kh\u00f4ng t\u1eeb t\u00ednh<\/p>\n

C\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng<\/strong><\/h3>\n

~ H\u1ee3p kim \u0111\u1ed3ng v\u00e0 \u0111\u1ed3ng c\u00f3 m\u00f9i \u0111\u1eb7c bi\u1ec7t v\u00e0 m\u00f9i v\u1ecb kh\u00f3 ch\u1ecbu. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n qua ti\u1ebfp x\u00fac v\u00e0 do \u0111\u00f3 n\u00ean tr\u00e1nh xa th\u1ef1c ph\u1ea9m; m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ch\u1ea3o n\u1ea5u \u0103n s\u1eed d\u1ee5ng c\u00e1c kim lo\u1ea1i n\u00e0y.<\/p>\n

~ H\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i c\u00f3 m\u00e0u tr\u1eafng kim lo\u1ea1i ho\u1eb7c b\u1ea1c. H\u1ee3p kim \u0111\u1ed3ng v\u00e0 \u0111\u1ed3ng c\u00f3 m\u1ed9t lo\u1ea1t c\u00e1c m\u00e0u v\u00e0ng \/ n\u00e2u \/ \u0111\u1ecf.<\/p>\n

\u0110\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a \u0111\u1ed3ng<\/strong><\/h4>\n

\u0110i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a \u0110\u1ed3ng nguy\u00ean ch\u1ea5t l\u00e0 1083\u00baC.<\/p>\n

Ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/h4>\n

T\u1ea5t c\u1ea3 c\u00e1c h\u1ee3p kim \u0111\u1ed3ng ch\u1ed1ng \u0103n m\u00f2n b\u1edfi n\u01b0\u1edbc ng\u1ecdt v\u00e0 h\u01a1i n\u01b0\u1edbc.\u00a0Trong h\u1ea7u h\u1ebft c\u00e1c v\u00f9ng kh\u00ed quy\u1ec3n n\u00f4ng th\u00f4n, bi\u1ec3n v\u00e0 c\u00f4ng nghi\u1ec7p H\u1ee3p kim \u0111\u1ed3ng c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.\u00a0\u0110\u1ed3ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i dung d\u1ecbch mu\u1ed1i, \u0111\u1ea5t, kho\u00e1ng ch\u1ea5t kh\u00f4ng oxy h\u00f3a, axit h\u1eefu c\u01a1 v\u00e0 dung d\u1ecbch x\u00fat.\u00a0Amoniac \u1ea9m, halogen, sunfua, dung d\u1ecbch ch\u1ee9a ion amoniac v\u00e0 axit oxy h\u00f3a, nh\u01b0 axit nitric, s\u1ebd t\u1ea5n c\u00f4ng \u0110\u1ed3ng.\u00a0H\u1ee3p kim \u0111\u1ed3ng c\u0169ng c\u00f3 s\u1ee9c \u0111\u1ec1 kh\u00e1ng k\u00e9m v\u1edbi axit v\u00f4 c\u01a1.<\/p>\n

Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng \u0111\u1ebfn t\u1eeb s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c m\u00e0ng d\u00ednh tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u.\u00a0Nh\u1eefng b\u1ed9 phim n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f4ng b\u1ecb \u0103n m\u00f2n do \u0111\u00f3 b\u1ea3o v\u1ec7 kim lo\u1ea1i c\u01a1 b\u1ea3n kh\u1ecfi b\u1ecb t\u1ea5n c\u00f4ng h\u01a1n n\u1eefa.<\/p>\n

H\u1ee3p kim \u0111\u1ed3ng Niken, \u0111\u1ed3ng thau nh\u00f4m v\u00e0 nh\u00f4m \u0111\u1ed3ng th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n n\u01b0\u1edbc m\u1eb7n v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

Tinh d\u1eabn \u0111i\u00ea\u0323n c\u1ee7a \u0111\u1ed3ng<\/strong><\/h4>\n

\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a \u0111\u1ed3ng ch\u1ec9 \u0111\u1ee9ng sau b\u1ea1c.\u00a0\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a \u0110\u1ed3ng l\u00e0 97% \u0111\u1ed9 d\u1eabn c\u1ee7a B\u1ea1c.\u00a0Do chi ph\u00ed th\u1ea5p h\u01a1n nhi\u1ec1u v\u00e0 s\u1ef1 phong ph\u00fa h\u01a1n, \u0110\u1ed3ng truy\u1ec1n th\u1ed1ng l\u00e0 v\u1eadt li\u1ec7u ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n.<\/p>\n

Tuy nhi\u00ean, c\u00e2n nh\u1eafc tr\u1ecdng l\u01b0\u1ee3ng c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t t\u1ef7 l\u1ec7 l\u1edbn c\u00e1c \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n cao th\u1ebf tr\u00ean cao hi\u1ec7n nay s\u1eed d\u1ee5ng Nh\u00f4m ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0110\u1ed3ng.\u00a0Theo tr\u1ecdng l\u01b0\u1ee3ng, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n c\u1ee7a Nh\u00f4m g\u1ea5p kho\u1ea3ng hai l\u1ea7n so v\u1edbi \u0110\u1ed3ng.\u00a0C\u00e1c h\u1ee3p kim nh\u00f4m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng d\u00e2y th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm ho\u1eb7c nh\u00f4m trong m\u1ed7i s\u1ee3i.<\/p>\n

M\u1eb7c d\u00f9 b\u1ed5 sung c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c s\u1ebd c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t nh\u01b0 s\u1ee9c m\u1ea1nh, s\u1ebd c\u00f3 m\u1ed9t s\u1ed1 m\u1ea5t m\u00e1t trong t\u00ednh d\u1eabn \u0111i\u1ec7n.\u00a0V\u00ed d\u1ee5, vi\u1ec7c b\u1ed5 sung 1% Cadmium c\u00f3 th\u1ec3 t\u0103ng s\u1ee9c m\u1ea1nh th\u00eam 50%.\u00a0Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn gi\u1ea3m 15% \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u01b0\u01a1ng \u1ee9ng<\/p>\n

\u0110\u1eb7c t\u00ednh \u00d4xy h\u00f3a c\u1ee7a \u0111\u1ed3ng<\/strong><\/h4>\n

H\u1ea7u h\u1ebft c\u00e1c h\u1ee3p kim c\u1ee7a \u0111\u1ed3ng s\u1ebd ph\u00e1t tri\u1ec3n m\u1ed9t l\u1edbp v\u1ecf m\u00e0u xanh lam khi ti\u1ebfp x\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 ngo\u00e0i tr\u1eddi. Ti\u00eau bi\u1ec3u cho \u0111i\u1ec1u n\u00e0y l\u00e0 m\u00e0u s\u1eafc c\u1ee7a T\u01b0\u1ee3ng N\u1eef th\u1ea7n T\u1ef1 do \u1edf New York. M\u1ed9t s\u1ed1 h\u1ee3p kim \u0111\u1ed3ng s\u1ebd b\u1ecb s\u1eabm m\u00e0u sau khi ti\u1ebfp x\u00fac l\u00e2u v\u1edbi c\u00e1c nguy\u00ean t\u1ed1 v\u00e0 c\u00f3 m\u00e0u t\u1eeb n\u00e2u \u0111\u1ebfn \u0111en.<\/p>\n

L\u1edbp ph\u1ee7 s\u01a1n m\u00e0i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t v\u00e0 gi\u1eef l\u1ea1i m\u00e0u h\u1ee3p kim ban \u0111\u1ea7u.\u00a0M\u1ed9t l\u1edbp ph\u1ee7 acrylic v\u1edbi benzotriazole nh\u01b0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia s\u1ebd t\u1ed3n t\u1ea1i v\u00e0i n\u0103m trong h\u1ea7u h\u1ebft c\u00e1c \u0111i\u1ec1u ki\u1ec7n ngo\u00e0i tr\u1eddi, kh\u00f4ng b\u1ecb m\u00e0i m\u00f2n.<\/p>\n

S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t c\u1ee7a \u0111\u1ed3ng<\/strong><\/h4>\n

\u0110i\u1ec3m n\u0103ng su\u1ea5t cho h\u1ee3p kim \u0111\u1ed3ng kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5.\u00a0K\u1ebft qu\u1ea3 l\u00e0 n\u00f3 c\u00f3 xu h\u01b0\u1edbng \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o l\u00e0 ph\u1ea7n m\u1edf r\u1ed9ng 0,5% khi t\u1ea3i ho\u1eb7c b\u00f9 0,2%.<\/p>\n

Th\u00f4ng th\u01b0\u1eddng nh\u1ea5t l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 n\u0103ng su\u1ea5t m\u1edf r\u1ed9ng 0,5% c\u1ee7a c\u00e1c thanh ghi v\u1eadt li\u1ec7u b\u1ecb \u1ee7 b\u1eb1ng kho\u1ea3ng m\u1ed9t ph\u1ea7n ba c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o.\u00a0L\u00e0m c\u1ee9ng b\u1eb1ng c\u00e1ch gia c\u00f4ng ngu\u1ed9i c\u00f3 ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u tr\u1edf n\u00ean \u00edt d\u1ebbo h\u01a1n v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 n\u0103ng su\u1ea5t \u0111\u1ea1t t\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o.<\/p>\n

C\u00e1c quy tr\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 h\u00e0n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tham gia h\u1ea7u h\u1ebft c\u00e1c h\u1ee3p kim \u0111\u1ed3ng. H\u00e0n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c k\u1ebft n\u1ed1i \u0111i\u1ec7n. H\u1ee3p kim h\u00e0m l\u01b0\u1ee3ng ch\u00ec cao kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 h\u00e0n.<\/p>\n

\u0110\u1ed3ng v\u00e0 h\u1ee3p kim \u0111\u1ed3ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u1ed1i b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 h\u1ecdc nh\u01b0 \u0111inh t\u00e1n v\u00e0 \u1ed1c v\u00edt.<\/p>\n

T\u00ednh n\u00f3ng l\u1ea1nh<\/strong><\/h4>\n

M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gia c\u00f4ng c\u1ee9ng, h\u1ee3p kim \u0111\u1ed3ng c\u00f3 th\u1ec3 v\u1eeba n\u00f3ng v\u1eeba l\u1ea1nh.<\/p>\n

\u0110\u1ed9 d\u1ebbo c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee5c h\u1ed3i b\u1eb1ng c\u00e1ch \u1ee7.\u00a0\u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u1ed9t quy tr\u00ecnh \u1ee7 c\u1ee5 th\u1ec3 ho\u1eb7c b\u1eb1ng c\u00e1ch \u1ee7 ng\u1eabu nhi\u00ean th\u00f4ng qua c\u00e1c quy tr\u00ecnh h\u00e0n ho\u1eb7c h\u00e0n.<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c kim lo\u1ea1i \u0111\u1ed3ng<\/strong><\/h4>\n

H\u1ee3p kim \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh theo m\u1ee9c \u0111\u1ed9 n\u00f3ng.\u00a0T\u00ednh kh\u00ed \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ea1t b\u1edfi l\u00e0m vi\u1ec7c l\u1ea1nh v\u00e0 m\u1ee9c \u0111\u1ed9 \u1ee7 ti\u1ebfp theo.<\/p>\n

\u0110\u1ed9 b\u1ec1n n\u0103ng su\u1ea5t c\u1ee7a h\u1ee3p kim \u0111\u1ed3ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng x\u1ea5p x\u1ec9 hai ph\u1ea7n ba \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

V\u1eadt \u0111\u00fac<\/strong><\/h4>\n

B\u1ea3n ch\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00fac c\u00f3 ngh\u0129a l\u00e0 h\u1ea7u h\u1ebft c\u00e1c h\u1ee3p kim \u0111\u1ed3ng \u0111\u00fac c\u00f3 ph\u1ea1m vi h\u1ee3p kim l\u1edbn h\u01a1n so v\u1edbi h\u1ee3p kim r\u00e8n.<\/p>\n

H\u1ee3p kim \u0111\u1ed3ng r\u00e8n<\/strong><\/h4>\n

H\u1ee3p kim \u0111\u1ed3ng r\u00e8n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t kh\u00e1c nhau.\u00a0Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y bao g\u1ed3m c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 c\u00e1n, \u0111\u00f9n, v\u1ebd v\u00e0 d\u1eadp.\u00a0C\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 v\u1eady c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c theo sau b\u1eb1ng c\u00e1ch \u1ee7 (l\u00e0m m\u1ec1m), l\u00e0m l\u1ea1nh, l\u00e0m c\u1ee9ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nhi\u1ec7t ho\u1eb7c gi\u1ea3m c\u0103ng th\u1eb3ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh mong mu\u1ed1n.<\/p>\n

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\n 5\/5 - (1 vote) <\/div>\n <\/div>","protected":false},"excerpt":{"rendered":"

Sorry, this entry is only available in Ti\u1ebfng Vi\u1ec7t. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language. H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn r\u1ed9ng r\u00e3i \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 … Continue reading H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng \u2013 C\u00e1c lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a ch\u00fang<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":8865,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"yoast_head":"\nH\u1ee3p kim c\u1ee7a \u0111\u1ed3ng \u2013 C\u00e1c lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a ch\u00fang?<\/title>\n<meta name=\"description\" content=\"H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn r\u1ed9ng r\u00e3i \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 cao qua qu\u00e1 tr\u00ecnh h\u1ee3p kim h\u00f3a.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/phelieu247.com\/hop-kim-cua-dong\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng \u2013 C\u00e1c lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a ch\u00fang?\" \/>\n<meta property=\"og:description\" content=\"H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn r\u1ed9ng r\u00e3i \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 cao qua qu\u00e1 tr\u00ecnh h\u1ee3p kim h\u00f3a.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/phelieu247.com\/hop-kim-cua-dong\/\" \/>\n<meta property=\"og:site_name\" content=\"Phelieu247\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-24T08:47:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-02-20T07:48:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/phelieu247.com\/wp-content\/uploads\/2019\/12\/hop-kim-cua-dong-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"535\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"21 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/phelieu247.com\\\/hop-kim-cua-dong\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/phelieu247.com\\\/hop-kim-cua-dong\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/phelieu247.com\\\/en\\\/#\\\/schema\\\/person\\\/e57a3b8601d0db735d294a4820a3a47b\"},\"headline\":\"H\u1ee3p kim c\u1ee7a \u0111\u1ed3ng \u2013 C\u00e1c lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng v\u00e0 c\u00f4ng d\u1ee5ng c\u1ee7a 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