{"id":6250196,"date":"2024-12-20T00:34:00","date_gmt":"2024-12-20T00:34:00","guid":{"rendered":"https:\/\/yp.vn\/?p=6250196"},"modified":"2024-12-20T06:54:51","modified_gmt":"2024-12-20T06:54:51","slug":"thep-khong-gi-co-phai-la-inox-khong","status":"publish","type":"post","link":"https:\/\/yp.vn\/thep-khong-gi-co-phai-la-inox-khong\/","title":{"rendered":"Th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u1ea3i l\u00e0 inox kh\u00f4ng?"},"content":{"rendered":"\r\n

Th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/strong> l\u00e0 m\u1ed9t h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi h\u00e0ng tr\u0103m n\u0103m nay. Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u1ea3i l\u00e0 inox hay kh\u00f4ng? v\u00e0 nh\u1eefng ki\u1ebfn th\u00fac xoay quanh th\u00e9p kh\u00f4ng g\u1ec9 nh\u01b0 ngu\u1ed3n g\u1ed1c, ph\u00e2n lo\u1ea1i, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>\r\n\r\n\r\n\r\n

Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 lo\u1ea1i th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi. Nh\u01b0 ch\u00ednh t\u00ean g\u1ecdi c\u1ee7a n\u00f3, th\u00e9p kh\u00f4ng g\u1ec9 m\u1eabn c\u1ea3m v\u1edbi c\u00e1c t\u00e1c nh\u00e2n \u0111\u1ebfn t\u1eeb m\u00f4i tr\u01b0\u1eddng. C\u00f3 r\u1ea5t nhi\u1ec1u c\u00e2u h\u1ecfi xoay quanh th\u00e9p kh\u00f4ng g\u1ec9, trong s\u1ed1 \u0111\u00f3 c\u00f3 hai c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi t\u00ecm ki\u1ebfm nh\u1ea5t l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 lo\u1ea1i th\u00e9p g\u00ec?, th\u00e9p n\u00e0y c\u00f3 ph\u1ea3i l\u00e0 inox kh\u00f4ng?.<\/p>\r\n\r\n\r\n\r\n

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\"th\u00e9p

Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 lo\u1ea1i th\u00e9p h\u1ee3p kim \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi<\/p><\/div>\r\n<\/figure>\r\n\r\n\r\n\r\n

Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 g\u00ec?<\/h2>\r\n\r\n\r\n\r\n

Th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/strong> l\u00e0 g\u00ec?, th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t h\u1ee3p kim c\u1ee7a nhi\u1ec1u nguy\u00ean t\u1ed1 kim lo\u1ea1i kh\u00e1c nhau. Trong \u0111\u00f3, nguy\u00ean t\u1ed1 kim lo\u1ea1i c\u01a1 b\u1ea3n nh\u1ea5t l\u00e0 s\u1eaft (k\u00fd hi\u1ec7u Fe, \u0111\u1ee9ng th\u1ee9 26 trong b\u1ea3ng h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n) c\u00f3 \u00edt nh\u1ea5t 10.5% cr\u00f4m (k\u00fd hi\u1ec7u Cr, \u0111\u1ee9ng th\u1ee9 24 trong b\u1ea3ng h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n) c\u00f9ng m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 kh\u00e1c nh\u01b0 Carbon, Niken\u2026 T\u00ean g\u1ecdi \u201cth\u00e9p kh\u00f4ng g\u1ec9\u201d th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef trong ng\u00e0nh luy\u1ec7n kim nh\u1eb1m g\u1ecdi m\u1ed9t danh s\u00e1ch d\u1ea1ng h\u1ee3p ch\u1ea5t kim lo\u1ea1i kh\u00f4ng b\u1ecb ho\u1eb7c \u00edt b\u1ecb \u0103n m\u00f2n, \u00edt bi\u1ebfn d\u1ea1ng v\u00e0 m\u1ea5t m\u00e0u d\u1ec5 d\u00e0ng nh\u01b0 nhi\u1ec1u lo\u1ea1i th\u00e9p ph\u1ed5 bi\u1ebfn kh\u00e1c.<\/p>\r\n\r\n\r\n\r\n

V\u1eady\u00a0th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u1ea3i l\u00e0 inox kh\u00f4ng?, c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 ph\u1ea3i. Th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh l\u00e0 inox, \u0111\u00e2y l\u00e0 m\u1ed9t t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a lo\u1ea1i th\u00e9p n\u00e0y. Ngo\u00e0i ra c\u00f2n nhi\u1ec1u t\u00ean g\u1ecdi ph\u1ed5 bi\u1ebfn kh\u00e1c m\u00e0 m\u1ecdi ng\u01b0\u1eddi th\u01b0\u1eddng hay g\u1ecdi nh\u1eb1m n\u00f3i \u0111\u1ebfn th\u00e9p kh\u00f4ng g\u1ec9 kh\u00e1c nh\u01b0 th\u00e9p ch\u1ed1ng \u0103n m\u00f2n, th\u00e9p inox, th\u00e9p kh\u00f4ng g\u1ec9 inox ho\u1eb7c th\u00e9p m\u00e1c SUS 301, 304, 201, 316, 316L\u2026 Xin l\u01b0u \u00fd, m\u1ed7i lo\u1ea1i m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 inox s\u1ebd c\u00f3 m\u1ed9t t\u1ef7 l\u1ec7 pha tr\u1ed9n kim lo\u1ea1i kh\u00e1c nhau, t\u00ednh ch\u1ea5t c\u1ee7a kim lo\u1ea1i th\u00e0nh ph\u1ea9m c\u0169ng kh\u00e1c nhau.<\/p>\r\n\r\n\r\n\r\n

Ngu\u1ed3n g\u1ed1c th\u00e9p kh\u00f4ng g\u1ec9?<\/h2>\r\n\r\n\r\n\r\n

Cha \u0111\u1ebb c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/strong> inox l\u00e0 \u00f4ng Harry Brearly, m\u1ed9t chuy\u00ean gia h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh th\u00e9p ng\u01b0\u1eddi Anh. V\u00e0o nh\u1eefng n\u0103m 1913, b\u1eb1ng nhi\u1ec1u th\u00ed nghi\u1ec7m ph\u1ee9c t\u1ea1p kh\u00e1c nhau \u00f4ng \u0111\u00e3 s\u00e1ng ch\u1ebf ra m\u1ed9t lo\u1ea1i h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t c\u00f3 \u01b0u \u0111i\u1ec3m ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi m\u00e0 kh\u00f4ng m\u1ed9t lo\u1ea1i th\u00e9p n\u00e0o h\u1ed3i \u0111\u00f3 c\u00f3 \u0111\u01b0\u1ee3c. C\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ee7a \u00f4ng \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1, m\u1eaft x\u00edch m\u1ea5u ch\u1ed1t t\u1ea1o n\u00ean lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 inox \u0111\u1eb7c bi\u1ec7t n\u00e0y b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c gi\u1ea3m th\u00e0nh ph\u1ea7n Carbon xu\u1ed1ng m\u1ee9c 0.24% v\u00e0 th\u00eam v\u00e0o \u0111\u00f3 m\u1ed9t l\u01b0\u1ee3ng cr\u00f4m t\u01b0\u01a1ng \u1ee9ng 12.8%.<\/p>\r\n\r\n\r\n\r\n

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\"Th\u00e9p

Th\u00e9p kh\u00f4ng g\u1ec9 ch\u00ednh l\u00e0 inox, \u0111\u00e2y l\u00e0 m\u1ed9t t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a lo\u1ea1i th\u00e9p n\u00e0y<\/p><\/div>\r\n<\/figure>\r\n\r\n\r\n\r\n

Tr\u01b0\u1edbc chi\u1ebfn tranh th\u1ebf gi\u1edbi th\u1ee9 hai, h\u00e3ng th\u00e9p n\u1ed5i ti\u1ebfng c\u1ee7a \u0110\u1ee9c l\u00e0\u00a0Krupp \u0111\u00e3 th\u1ef1c hi\u1ec7n ti\u1ebfp m\u1ed9t s\u1ed1 th\u00ed nghi\u1ec7m kh\u00e1c mang t\u00ednh c\u00e1ch m\u1ea1ng c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9. H\u00e3ng \u0111\u00e3 cho th\u00eam nguy\u00ean t\u1ed1 kim lo\u1ea1i Niken (k\u00fd hi\u1ec7u Ni, \u0111\u1ee9ng th\u1ee9 28 trong b\u1ea3ng h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n) v\u00e0o h\u1ed7n h\u1ee3p theo c\u00f4ng tr\u00ecnh c\u1ee7a\u00a0Harry Brearly tr\u01b0\u1edbc \u0111\u00f3. K\u1ebft qu\u1ea3 th\u1eadt \u1ea5n t\u01b0\u1ee3ng, h\u1ee3p kim th\u00e9p m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n axit t\u1ed1t h\u01a1n, m\u1ec1m v\u00e0 d\u1ebbo h\u01a1n gi\u00fap c\u00f4ng vi\u1ec7c gia c\u00f4ng d\u1ec5 d\u00e0ng. \u0110\u00e2y ch\u00ednh l\u00e0 ti\u1ec1n \u0111\u1ec1 cho m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 inox 300 v\u00e0 400 ra \u0111\u1eddi, ph\u1ed5 bi\u1ebfn su\u1ed1t trong chi\u1ebfn tranh th\u1ebf gi\u1edbi th\u1ee9 hai.<\/p>\r\n\r\n\r\n\r\n

Sau nh\u1eefng n\u0103m c\u1ee7a cu\u1ed9c chi\u1ebfn tranh l\u1edbn b\u1eadc nh\u1ea5t nh\u00e2n lo\u1ea1i. Nh\u1eefng n\u0103m \u0111\u1ea7u c\u1ee7a th\u1ebf k\u1ef7 20,\u00a0W. H Hatfield m\u1ed9t chuy\u00ean gia ng\u00e0nh th\u00e9p kh\u00e1c ng\u01b0\u1eddi Anh ti\u1ebfp t\u1ee5c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u kh\u00e1c d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a\u00a0Harry Brearly v\u00e0\u00a0Krupp tr\u01b0\u1edbc \u0111\u00f3. B\u1eb1ng vi\u1ec7c thay \u0111\u1ed5i t\u1ef7 l\u1ec7 c\u00e1c kim lo\u1ea1i tham gia, chuy\u00ean gia n\u00e0y \u0111\u00e3 cho ra \u0111\u1eddi m\u1ed9t lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 inox ho\u00e0n h\u1ea3o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ebfn t\u1eadn ng\u00e0y nay.<\/p>\r\n

\u0110\u00f3 ch\u00ednh l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 inox 304, theo c\u00f4ng b\u1ed1 t\u1ef7 l\u1ec7 cr\u00f4m v\u00e0 niken trong lo\u1ea1i inox 304 l\u1ea7n l\u01b0\u1ee3t l\u00e0 8% v\u00e0 18%. V\u00e0i n\u0103m sau, W. H Hatfield c\u0169ng l\u00e0 t\u00e1c gi\u00e1 c\u1ee7a lo\u1ea1i th\u00e9p inox m\u00e1c 321 v\u1edbi t\u1ef7 l\u1ec7 nh\u01b0 inox m\u00e1c 304 nh\u01b0ng th\u00eam m\u1ed9t nguy\u00ean t\u1ed1 kim lo\u1ea1i kh\u00e1c l\u00e0 titan (t\u1ef7 l\u1ec7 kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1).<\/p>\r\n\r\n\r\n\r\n

Ph\u00e2n lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\r\n\r\n\r\n\r\n

Th\u00e9p kh\u00f4ng g\u1ec9<\/a><\/strong> ph\u1ed5 bi\u1ebfn v\u1edbi b\u1ed1n lo\u1ea1i ch\u00ednh: Austenitic, Ferritic, Austenitic-Ferritic (Duplex) v\u00e0 Martensitic.<\/p>\r\n\r\n\r\n\r\n

Austenitic<\/strong>: L\u00e0 lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 th\u00f4ng d\u1ee5ng nh\u1ea5t. Thu\u1ed9c d\u00f2ng n\u00e0y c\u00f3 th\u1ec3 k\u1ec3 ra c\u00e1c m\u00e1c th\u00e9p SUS 301, 304, 304L, 316, 316L, 321, 310s\u2026 Lo\u1ea1i n\u00e0y c\u00f3 ch\u1ee9a t\u1ed1i thi\u1ec3u 7% ni ken, 16% cr\u00f4m, carbon (C) 0.08% max. Th\u00e0nh ph\u1ea7n nh\u01b0 v\u1eady t\u1ea1o ra cho lo\u1ea1i th\u00e9p n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0103n m\u00f2n cao trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 kh\u00e1 r\u1ed9ng, kh\u00f4ng b\u1ecb\u00a0nhi\u1ec5m t\u1eeb, m\u1ec1m d\u1ebbo, d\u1ec5 u\u1ed1n, d\u1ec5 h\u00e0n. Loai th\u00e9p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u \u0111\u1ec3 l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, b\u00ecnh ch\u1ee9a, \u1ed1ng c\u00f4ng nghi\u1ec7p, t\u00e0u thuy\u1ec1n c\u00f4ng nghi\u1ec7p, v\u1ecf ngo\u00e0i ki\u1ebfn tr\u00fac, c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng kh\u00e1c\u2026<\/p>\r\n\r\n\r\n\r\n

Ferritic<\/strong>: Lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 l\u00fd t\u01b0\u01a1ng t\u1ef1 th\u00e9p m\u1ec1m, nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0103n m\u00f2n cao h\u01a1n th\u00e9p m\u1ec1m (th\u00e9p carbon\u00a0th\u1ea5p). Thu\u1ed9c d\u00f2ng n\u00e0y c\u00f3 th\u1ec3 k\u1ec3 ra c\u00e1c m\u00e1c th\u00e9p SUS 430, 410, 409\u2026 Lo\u1ea1i n\u00e0y c\u00f3 ch\u1ee9a kho\u1ea3ng 12% \u2013 17% cr\u00f4m. Lo\u1ea1i n\u00e0y, v\u1edbi 12%Cr th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u trong ki\u1ebfn tr\u00fac. Lo\u1ea1i c\u00f3 ch\u1ee9a kho\u1ea3ng 17%Cr \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u0111\u1ed3 gia d\u1ee5ng, n\u1ed3i h\u01a1i, m\u00e1y gi\u1eb7t, c\u00e1c ki\u1ebfn tr\u00fac trong nh\u00e0\u2026<\/p>\r\n\r\n\r\n\r\n

Austenitic-Ferritic (Duplex)<\/strong>:\u00a0\u0110\u00e2y l\u00e0 lo\u1ea1i th\u00e9p c\u00f3 t\u00ednh ch\u1ea5t \u201c\u1edf gi\u1eefa\u201d lo\u1ea1i Ferritic v\u00e0 Austenitic c\u00f3 t\u00ean g\u1ecdi chung l\u00e0 DUPLEX. Thu\u1ed9c d\u00f2ng n\u00e0y c\u00f3 th\u1ec3 k\u1ec3 ra LDX 2101, SAF 2304, 2205, 253MA. Lo\u1ea1i th\u00e9p duplex c\u00f3 ch\u1ee9a th\u00e0nh ph\u1ea7n Ni \u00edt h\u01a1n nhi\u1ec1u so v\u1edbi lo\u1ea1i Austenitic. DUPLEX c\u00f3 \u0111\u1eb7c t\u00ednh ti\u00eau bi\u1ec3u l\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ecbu l\u1ef1c cao v\u00e0 \u0111\u1ed9 m\u1ec1m d\u1ebbo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong ng\u00e0nh\u00a0c\u00f4ng nghi\u1ec7p ho\u00e1 d\u1ea7u, s\u1ea3n xu\u1ea5t gi\u1ea5y, b\u1ed9t gi\u1ea5y, ch\u1ebf t\u1ea1o t\u00e0u bi\u1ec3n\u2026<\/p>\r\n

Trong t\u00ecnh h\u00ecnh gi\u00e1 th\u00e9p kh\u00f4ng g\u1ec9 leo thang do ni ken khan hi\u1ebfm th\u00ec d\u00f2ng DUPLEX \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u h\u01a1n \u0111\u1ec3 thay th\u1ebf cho m\u1ed9t s\u1ed1 m\u00e1c th\u00e9p thu\u1ed9c d\u00f2ng th\u00e9p Austenitic nh\u01b0 SUS 304, 304L, 316, 316L, 310s\u2026<\/p>\r\n\r\n\r\n\r\n

Martensitic<\/strong>:\u00a0Lo\u1ea1i n\u00e0y ch\u1ee9a kho\u1ea3ng 11% \u0111\u1ebfn 13% Cr, c\u00f3 \u0111\u1ed9 b\u1ec1n ch\u1ecbu l\u1ef1c v\u00e0 \u0111\u1ed9 c\u1ee9ng t\u1ed1t, ch\u1ecbu \u0103n m\u00f2n \u1edf m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1nh tuabin, l\u01b0\u1ee1i dao\u2026<\/p>\r\n\r\n\r\n\r\n

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\"Th\u00e9p

Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 inox ph\u1ee5 thu\u1ed9c tr\u1ef1c ti\u1ebfp v\u00e0o t\u1ef7 l\u1ec7 cr\u00f4m<\/p><\/div>\r\n<\/figure>\r\n\r\n\r\n\r\n

Ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\r\n\r\n\r\n\r\n

Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a th\u00e9p inox ph\u1ee5 thu\u1ed9c tr\u1ef1c ti\u1ebfp v\u00e0o t\u1ef7 l\u1ec7 cr\u00f4m c\u00f3 trong h\u1ee3p kim l\u00e0 ch\u00ednh. T\u1ef7 l\u1ec7 cr\u00f4m s\u1ebd cho ra m\u1ed9t lo\u1ea1i m\u00e1c th\u00e9p inox kh\u00e1c nhau, trung b\u00ecnh kho\u1ea3ng 10,5% \u0111\u1ed1i v\u1edbi nh\u1eefng m\u00e1c th\u00e9p kh\u00f4ng g\u1ec9 inox s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng, \u0111\u1ebfn 25% \u0111\u1ed1i v\u1edbi nh\u1eefng m\u00e1c inox \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ph\u1ee5c v\u1ee5 c\u00e1c nhu c\u1ea7u kh\u1eaft khe h\u01a1n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nhi\u1ec7t.<\/p>\r\n\r\n\r\n\r\n

Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/a> inox ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t l\u00e0 nh\u1edd m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng gi\u1edbi khoa h\u1ecdc g\u1ecdi l\u00e0 s\u1ef1\u00a0oxy ho\u00e1 ch\u1ed1ng g\u1ec9 b\u1eb1ng k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u. Khi ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng, b\u1ec1 m\u1eb7t th\u00e9p kh\u00f4ng g\u1ec9 s\u1ebd h\u00ecnh th\u00e0nh m\u1ed9t l\u1edbp oxy ho\u00e1 \u0111\u1ebfn t\u1eeb kim lo\u1ea1i cr\u00f4m th\u01b0\u1eddng l\u00e0 cr\u00f4m \u00f4xit(III) r\u1ea5t m\u1ecfng. L\u1edbp oxy h\u00f3a n\u00e0y m\u1ecfng \u0111\u1ebfn m\u1ee9c m\u1eaft th\u01b0\u1eddng kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y, \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c b\u1ec1 m\u1eb7t kim lo\u1ea1i v\u1eabn s\u00e1ng b\u00f3ng gi\u00fap th\u00e9p kh\u00f4ng g\u1ec9 v\u1eabn lu\u00f4n gi\u1eef \u0111\u01b0\u1ee3c m\u00e0u kh\u00f4ng b\u1ecb s\u1ec9n m\u00e0u, xu\u1ed1ng m\u00e0u.<\/p>\r\n\r\n\r\n\r\n

M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m kh\u00e1c c\u1ee7a l\u1edbp oxy h\u00f3a n\u00e0y ch\u00ednh l\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed n\u00ean kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 l\u1edbp th\u00e9p b\u00ean d\u01b0\u1edbi l\u00e0 tuy\u1ec7t \u0111\u1ed1i tr\u01b0\u1edbc t\u00ecnh tr\u1ea1ng b\u1ecb g\u1ec9 s\u00e9t hay oxy h\u00f3a. Trong ng\u00e0nh k\u1ef9 thu\u1eadt luy\u1ec7n kim c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 kim lo\u1ea1i kh\u00e1c c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 nh\u00f4m, k\u1ebdm, niken. Tuy nhi\u00ean, do nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau m\u00e0 c\u00e1c lo\u1ea1i kim lo\u1ea1i n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0 th\u00e9p inox trong \u0111\u1eddi s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi.<\/p>\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"

Th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 m\u1ed9t h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi h\u00e0ng tr\u0103m n\u0103m nay. Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 ph\u1ea3i l\u00e0 inox hay kh\u00f4ng? v\u00e0 nh\u1eefng ki\u1ebfn th\u00fac xoay quanh th\u00e9p kh\u00f4ng g\u1ec9 nh\u01b0 ngu\u1ed3n… Xem b\u00e0i vi\u1ebft<\/a><\/p>\n","protected":false},"author":3,"featured_media":6250198,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[2571],"tags":[],"class_list":["post-6250196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thep-cong-nghiep"],"acf":[],"_links":{"self":[{"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/posts\/6250196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/comments?post=6250196"}],"version-history":[{"count":1,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/posts\/6250196\/revisions"}],"predecessor-version":[{"id":13953191,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/posts\/6250196\/revisions\/13953191"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/media\/6250198"}],"wp:attachment":[{"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/media?parent=6250196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/categories?post=6250196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yp.vn\/KmOMlj66m\/wp\/v2\/tags?post=6250196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}