发明申请
- 专利标题： PICKLING METHOD FOR PROFILES, ROLLED STRIPS, AND SHEETS MADE OF ALUMINIUM ALLOYS
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申请号： US16900027申请日： 2020-06-12
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公开(公告)号： US20200308713A1公开(公告)日： 2020-10-01
- 发明人: Kathrin Eckhard , Olaf Güßgen , Oliver Bauer
- 申请人： Kathrin Eckhard , Olaf Güßgen , Oliver Bauer
- 申请人地址： DE Grevenbroich
- 专利权人： Hydro Aluminium Rolled Products GmbH
- 当前专利权人： Hydro Aluminium Rolled Products GmbH
- 当前专利权人地址： DE Grevenbroich
- 优先权： com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4cdaa1b9
- 主分类号： C23G1/12
- IPC分类号： C23G1/12 ; C23G1/22
摘要：
In a method for cleaning a non-machined aluminum alloy product involving alkaline degreasing and treatment thereof after alkaline pickling with an acidic solution, the aluminum alloy product undergoes (a) initial acid cleaning before alkaline degreasing or (b) alkaline degreasing, followed by a subsequent acid rinse, alkaline treatment anew and an additional acid rinse thereafter. The aluminum alloy product may be a rolled aluminum alloy strip, a rolled aluminum alloy sheet and an aluminum alloy profile.
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