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專利授權區
專利名稱(中)	高鉻矽耐蝕鋼及其用途
專利名稱(英)	HIGH CHROMIUM AND SILICON-RICH CORROSION RESISTANT STEEL AND ARTICLE COMPRISING THE SAME
專利家族	中華民國：I758215 日本：JP 2023-020772 A(公開號) 歐盟：4124670(公開號) 美國：12,104,233
專利權人	國立清華大學 100%
發明人	葉均蔚
技術領域	材料化工,機械結構

專利摘要(英)
The present invention discloses a high chromium and silicon-rich corrosion resistant steel, which comprises, in weight percent: 22-30％ Cr, 2-10％ Si, and the balance Fe and incidental impurities, of which a content amount of Cr and Si is less than 37％. Experimental data reveal that, samples of the high chromium and silicon-rich corrosion resistant steel possess specific properties of pitting potential greater than 0.8V and hardness in a range between HV170 and HV500 in the as-homogenized condition. As a result, experimental data have proved that the high chromium and silicon-rich corrosion resistant steel of the present invention can replace conventional stainless steels having poor pitting resistance like type 304 and type 316L, and then be adopted for the applications of components and/or structural parts requiring high corrosion resistance.

專利摘要(英)

The present invention discloses a high chromium and silicon-rich corrosion resistant steel, which comprises, in weight percent: 22-30％ Cr, 2-10％ Si, and the balance Fe and incidental impurities, of which a content amount of Cr and Si is less than 37％. Experimental data reveal that, samples of the high chromium and silicon-rich corrosion resistant steel possess specific properties of pitting potential greater than 0.8V and hardness in a range between HV170 and HV500 in the as-homogenized condition. As a result, experimental data have proved that the high chromium and silicon-rich corrosion resistant steel of the present invention can replace conventional stainless steels having poor pitting resistance like type 304 and type 316L, and then be adopted for the applications of components and/or structural parts requiring high corrosion resistance.

聯絡資訊
承辦人姓名	楊美茹
承辦人電話	03-5715131 #62305
承辦人Email	mjyang2@mx.nthu.edu.tw