{"id":9886,"date":"2026-07-28T08:51:25","date_gmt":"2026-07-28T08:51:25","guid":{"rendered":"https:\/\/www.keylinktech.com\/?p=9886"},"modified":"2026-07-29T08:01:15","modified_gmt":"2026-07-29T08:01:15","slug":"extended-shelf-life-nickel-chromium-alloy","status":"publish","type":"post","link":"https:\/\/www.keylinktech.com\/vi\/case-study\/extended-shelf-life-nickel-chromium-alloy\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh: K\u00e9o d\u00e0i th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u h\u1ee3p kim Niken-Crom b\u1eb1ng h\u1ec7 th\u1ed1ng plasma kh\u00ed quy\u1ec3n Keylink"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"513\" height=\"593\" src=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-1-1.webp\" alt=\"H\u00ecnh \u1ea3nh s\u1ea3n ph\u1ea9m c\u1ee7a Keylink\" class=\"wp-image-9888\" style=\"aspect-ratio:0.8651197053406998;width:208px;height:auto\" srcset=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-1-1.webp 513w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-1-1-260x300.webp 260w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-1-1-10x12.webp 10w\" sizes=\"(max-width: 513px) 100vw, 513px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u c\u00e1c t\u1ea5m v\u00e0 cu\u1ed9n h\u1ee3p kim niken-crom \u0111ang ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi ng\u00e0y c\u00e0ng nhi\u1ec1u khi\u1ebfu n\u1ea1i t\u1eeb kh\u00e1ch h\u00e0ng li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t kh\u00f4ng nh\u1ea5t qu\u00e1n sau qu\u00e1 tr\u00ecnh l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n. M\u1eb7c d\u00f9 v\u1eadt li\u1ec7u \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t khi v\u1eadn chuy\u1ec3n, nh\u01b0ng d\u1ea7u c\u00e1n c\u00f2n s\u00f3t l\u1ea1i, ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 v\u00e0 c\u00e1c l\u1edbp m\u00e0ng b\u1ec1 m\u1eb7t si\u00eau nh\u1ecf d\u1ea7n d\u1ea7n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t theo th\u1eddi gian. K\u1ebft qu\u1ea3 l\u00e0, kh\u00e1ch h\u00e0ng g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng gi\u1ea3m kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt, hi\u1ec7u su\u1ea5t b\u00e1m d\u00ednh k\u00e9m v\u00e0 k\u1ebft qu\u1ea3 x\u1eed l\u00fd kh\u00f4ng nh\u1ea5t qu\u00e1n trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u1ee7, h\u00e0n, in \u1ea5n v\u00e0 li\u00ean k\u1ebft. Nh\u00e0 cung c\u1ea5p c\u1ea7n m\u1ed9t gi\u1ea3i ph\u00e1p gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 s\u1ea1ch b\u1ec1 m\u1eb7t v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m trong su\u1ed1t chu\u1ed7i cung \u1ee9ng, cu\u1ed1i c\u00f9ng l\u00e0 k\u00e9o d\u00e0i th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 gi\u1ea3i quy\u1ebft th\u00e1ch th\u1ee9c n\u00e0y, Keylink \u0111\u00e3 tri\u1ec3n khai m\u1ed9t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd plasma kh\u00ed quy\u1ec3n ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ecf h\u00e0n plasma xoay \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf m\u1edbi. M\u1ecf h\u00e0n c\u1ea3i ti\u1ebfn n\u00e0y t\u1ea1o ra ng\u1ecdn l\u1eeda plasma \u0111\u1ed3ng nh\u1ea5t cao v\u1edbi \u0111\u01b0\u1eddng k\u00ednh 40 mm, \u0111\u1ea3m b\u1ea3o x\u1eed l\u00fd ho\u00e0n to\u00e0n v\u00e0 nh\u1ea5t qu\u00e1n tr\u00ean to\u00e0n b\u1ed9 b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u chi\u1ec1u r\u1ed9ng x\u1eed l\u00fd l\u1edbn h\u01a1n, m\u1ecf h\u00e0n plasma c\u0169ng c\u00f3 s\u1eb5n v\u1edbi chi\u1ec1u r\u1ed9ng l\u00e0m s\u1ea1ch l\u00ean \u0111\u1ebfn 100 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c t\u1ea5m v\u00e0 cu\u1ed9n h\u1ee3p kim niken-crom g\u1ed3m 75% Ni, 16% Cr, 4,5% Al v\u00e0 0,5% Ti v\u1edbi \u0111\u1ed9 d\u00e0y 0,3 mm. H\u1ed7n h\u1ee3p kh\u00ed \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1eb7c bi\u1ec7t ch\u1ee9a 5% H.<strong>2<\/strong> v\u00e0 95% N <strong>2<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a vi\u1ec7c lo\u1ea1i b\u1ecf ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong khi v\u1eabn b\u1ea3o to\u00e0n t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a b\u1ec1 m\u1eb7t h\u1ee3p kim. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd plasma \u0111\u00e3 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 c\u1eb7n h\u1eefu c\u01a1 v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m tr\u00ean b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng m\u1ed9t m\u1ecf h\u00e0n plasma quay duy nh\u1ea5t, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd \u0111\u1ea1t \u0111\u01b0\u1ee3c dao \u0111\u1ed9ng t\u1eeb 2 m\/ph\u00fat \u0111\u1ebfn 50 m\/ph\u00fat t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 quy tr\u00ecnh v\u00e0 y\u00eau c\u1ea7u l\u00e0m s\u1ea1ch \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn. Quy tr\u00ecnh x\u1eed l\u00fd kh\u00f4ng ti\u1ebfp x\u00fac \u0111\u00e3 lo\u1ea1i b\u1ecf nhu c\u1ea7u s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch b\u1eb1ng h\u00f3a ch\u1ea5t \u01b0\u1edbt trong khi v\u1eabn mang l\u1ea1i k\u1ebft qu\u1ea3 c\u00f3 \u0111\u1ed9 l\u1eb7p l\u1ea1i cao. \u0110\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng y\u00eau c\u1ea7u n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t cao h\u01a1n, c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t th\u00eam c\u00e1c m\u1ecf h\u00e0n plasma theo chi\u1ec1u d\u1ecdc ph\u00eda tr\u00ean \u0111\u01b0\u1eddng d\u1eabn v\u1eadt li\u1ec7u. B\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p m\u1ecf h\u00e0n th\u1ee9 hai ho\u1eb7c th\u1ee9 ba, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u00f3 th\u1ec3 v\u01b0\u1ee3t qu\u00e1 100 m\/ph\u00fat trong khi v\u1eabn duy tr\u00ec hi\u1ec7u su\u1ea5t l\u00e0m s\u1ea1ch v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng th\u00f4ng qua ph\u00e9p \u0111o g\u00f3c ti\u1ebfp x\u00fac. Tr\u01b0\u1edbc khi x\u1eed l\u00fd b\u1eb1ng plasma, h\u1ee3p kim niken-crom c\u00f3 g\u00f3c ti\u1ebfp x\u00fac \u226591,9\u00b0, cho th\u1ea5y n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t th\u1ea5p v\u00e0 c\u00f3 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m b\u1ec1 m\u1eb7t. Sau khi x\u1eed l\u00fd b\u1eb1ng h\u1ec7 th\u1ed1ng plasma kh\u00ed quy\u1ec3n Keylink, g\u00f3c ti\u1ebfp x\u00fac gi\u1ea3m m\u1ea1nh xu\u1ed1ng \u226412,8\u00b0, ch\u1ee9ng t\u1ecf b\u1ec1 m\u1eb7t s\u1ea1ch s\u1ebd v\u01b0\u1ee3t tr\u1ed9i v\u00e0 kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c c\u1ea3i thi\u1ec7n \u0111i\u1ec1u ki\u1ec7n b\u1ec1 m\u1eb7t \u0111\u00e3 mang l\u1ea1i l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 cho nh\u00e0 cung c\u1ea5p nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 kh\u00e1ch h\u00e0ng c\u1ee7a h\u1ecd. B\u1ec1 m\u1eb7t s\u1ea1ch h\u01a1n duy tr\u00ec \u1ed5n \u0111\u1ecbnh h\u01a1n trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n, gi\u00fap b\u1ea3o qu\u1ea3n ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u trong th\u1eddi gian d\u00e0i h\u01a1n v\u00e0 t\u0103ng th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u1edf kh\u00e2u ti\u1ebfp theo nh\u1eadn \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t \u0111\u1ed3ng nh\u1ea5t h\u01a1n, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 b\u00e1m d\u00ednh \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1ed9 tin c\u1eady c\u1ee7a quy tr\u00ecnh cao h\u01a1n v\u00e0 gi\u1ea3m t\u1ef7 l\u1ec7 s\u1ea3n ph\u1ea9m l\u1ed7i. Nh\u00e0 cung c\u1ea5p \u0111\u00e3 c\u00f3 th\u1ec3 n\u00e2ng cao gi\u00e1 tr\u1ecb s\u1ea3n ph\u1ea9m, gi\u1ea3m c\u00e1c khi\u1ebfu n\u1ea1i li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u1ee7ng c\u1ed1 ni\u1ec1m tin c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0o v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1 \u00e1n n\u00e0y ch\u1ee9ng minh c\u00e1ch c\u00f4ng ngh\u1ec7 plasma kh\u00ed quy\u1ec3n c\u1ee7a Keylink k\u1ebft h\u1ee3p h\u00f3a h\u1ecdc plasma hydro-nit\u01a1 ti\u00ean ti\u1ebfn, thi\u1ebft k\u1ebf m\u1ecf h\u00e0n xoay c\u1ea3i ti\u1ebfn v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u1ed1c \u0111\u1ed9 cao c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u1ec3 t\u1ea1o ra m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cao cho c\u00e1c nh\u00e0 cung c\u1ea5p nguy\u00ean li\u1ec7u th\u00f4. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t tr\u00ean b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 k\u00e9o d\u00e0i th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t quy tr\u00ecnh ti\u1ebfp theo v\u00e0 cung c\u1ea5p s\u1ea3n ph\u1ea9m c\u00f3 gi\u00e1 tr\u1ecb cao h\u01a1n cho kh\u00e1ch h\u00e0ng c\u1ee7a h\u1ecd.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2-1024x683.webp\" alt=\"S\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd c\u1ee7a nguy\u00ean t\u1eafc\" class=\"wp-image-9889\" style=\"aspect-ratio:1.4992888417882142;width:646px;height:auto\" srcset=\"https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2-1024x683.webp 1024w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2-300x200.webp 300w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2-768x512.webp 768w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2-18x12.webp 18w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2-600x400.webp 600w, https:\/\/www.keylinktech.com\/wp-content\/uploads\/2026\/07\/2-2.webp 1149w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A leading supplier of nickel-chromium alloy sheets and rolls was facing increasing customer complaints related to inconsistent surface quality after storage and transportation. Although the material met all production specifications when shipped, residual rolling oils, organic contaminants, and microscopic surface films gradually affected the surface condition over time. As a result, customers experienced reduced wettability, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":9986,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114,134],"tags":[],"class_list":["post-9886","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study","category-expert-insight"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Extending Ni-Cr Alloy Shelf Life | Keylink Atmospheric Plasma Stabilization<\/title>\n<meta name=\"description\" content=\"Keylink&#039;s atmospheric plasma forms a protective nitride layer on Ni-Cr alloy coils, boosting oxidation resistance and extending shelf life up to 2.2x, reducing customer complaints and rejects.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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