- 专利标题： METHODS FOR CREATING A ZINC-METAL OXIDE LAYER IN METAL COMPONENTS FOR CORROSION RESISTANCE
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申请号： EP16860842.0申请日： 2016-10-27
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公开(公告)号： EP3368616A1公开(公告)日： 2018-09-05
- 发明人: RIDDLE, John, Morrison , GREGORICH, Carola, Annemarie , WELLS, Daniel, M.
- 申请人： Electric Power Research Institute, Inc.
- 申请人地址： 3420 Hillview Avenue Palo Alto, CA 94304-1338 US
- 专利权人： Electric Power Research Institute, Inc.
- 当前专利权人： Electric Power Research Institute, Inc.
- 当前专利权人地址： 3420 Hillview Avenue Palo Alto, CA 94304-1338 US
- 代理机构： Moreland, David
- 优先权： US201562247945P 20151029
- 国际公布： WO2017075290 20170504
- 主分类号： C09D5/08
- IPC分类号： C09D5/08 ; C22C38/18 ; B21C37/00 ; B05D7/22
摘要：
The present invention provides a method for manufacturing a finished metal object or product having a corrosion resistant layer integral to or within a top portion of at least one of its surfaces that would be exposed to a corrosive environment. In one embodiment, the method for manufacturing is directed to a finished metal tubing product having a corrosion resistant layer within its inside surface that is exposed to a fluid and wherein the corrosion resistant layer is a zinc-metal oxide layer, such as a zinc-chromium oxide layer, or a zinc-mixed metal oxide layer. In addition to methods of manufacturing, the present invention provides finished metal objects or products having a corrosion resistant layer integral to or within a top portion of at least one surfaces that would be exposed to a corrosive environment.
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