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Method for forming Re—Cr alloy film or Re-based film through electroplating process 发明授权

2023-09-03 1420 685K 0

专利信息

申请日期 2025-07-10 申请号 US10501720
公开(公告)号 US6979392B2 公开(公告)日 2005-12-27
公开国别 US 申请人省市代码 全国
申请人 Toshio Narita; Shigenari Hayashi; Takayuki Yoshioka; Hiroshi Yakuwa; Michiaki Souma
简介 Disclosed is a method for forming : a Re—Cr alloy film consisting of Re in the range of greater than 0 (zero) to less than 98% by atomic composition, and the remainder being Cr except inevitable impurities; a Re-based film consisting of 98% or more, by atomic composition, of Re, with the remainder being Cr and inevitable impurities; or a Re—Cr—Ni alloy film consisting of Re in the range of 50 to less than 98% by atomic composition, Cr in the range of 2 to less than 45% by atomic composition, and the remainder being Ni except inevitable impurities. The method comprises performing an electroplating process using an electroplating bath containing an aqueous solution which includes a perrhenate ion and a chromium (III) ion. The present invention allows a Re—Cr alloy, Re-based or Re—Cr—Ni alloy film usable as a corrosion-resistant alloy coating for a high-temperature component or the like to be formed through an electroplating process using an aqueous solution, so as to provide heat/corrosion resistances to the component, even if it has a complicated shape, in a simplified manner at a low cost.


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