CN1228468C - 镁合金零件的无铬表面处理方法 - Google Patents
镁合金零件的无铬表面处理方法 Download PDFInfo
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- CN1228468C CN1228468C CN 03125391 CN03125391A CN1228468C CN 1228468 C CN1228468 C CN 1228468C CN 03125391 CN03125391 CN 03125391 CN 03125391 A CN03125391 A CN 03125391A CN 1228468 C CN1228468 C CN 1228468C
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- magnesium alloy
- treatment
- treatment method
- water
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Abstract
Description
工艺名称 | 成分 | 处理时间 | 处理温度 |
实施例1 | KMnO4(20g/L)Na2HPO4(60g/L)加H3PO4维持PH值2 | 13分钟 | 50℃ |
实施例2 | KMnO4(50g/L)K2HPO4(100g/L)H3PO4维持PH值5 | 5分钟 | 30℃ |
实施例3 | KMnO4(40g/L)K2HPO4(80g/L)H3PO4维持PH值6 | 16分钟 | 20℃ |
比较例(DOW1) | Na2Cr2O7 200g/LHNO3 180g/LKF 16g/L | 1分钟 | 20℃ |
膜的外观 | 膜厚(μm) | 附着力 | 腐蚀面积率(%) | |
实施例1 | 黄色间散布浅少量白色圆形点 | 8.1 | 100/100 | 8% |
实施例2 | 金黄色间散布浅黄色圆形点 | 7.4 | 100/100 | 6% |
实施例3 | 黄色间散布浅少量白色圆形点 | 6.5 | 100/100 | 9% |
比较例(DOW1) | 银灰色并夹有不均匀的淡黄色 | 5.5 | 100/100 | 21% |
Claims (1)
Priority Applications (1)
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CN 03125391 CN1228468C (zh) | 2003-09-05 | 2003-09-05 | 镁合金零件的无铬表面处理方法 |
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CN 03125391 CN1228468C (zh) | 2003-09-05 | 2003-09-05 | 镁合金零件的无铬表面处理方法 |
Publications (2)
Publication Number | Publication Date |
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CN1523133A CN1523133A (zh) | 2004-08-25 |
CN1228468C true CN1228468C (zh) | 2005-11-23 |
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CN 03125391 Expired - Fee Related CN1228468C (zh) | 2003-09-05 | 2003-09-05 | 镁合金零件的无铬表面处理方法 |
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CN (1) | CN1228468C (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100393910C (zh) * | 2006-05-23 | 2008-06-11 | 河海大学常州校区 | 镁合金表面柠檬酸盐化学转化膜处理溶液 |
CN101130864B (zh) * | 2006-08-25 | 2010-10-06 | 佛山市顺德区汉达精密电子科技有限公司 | 一种镁合金表面处理方法 |
CN102115880B (zh) | 2009-12-31 | 2015-10-14 | 汉高股份有限及两合公司 | 轻金属或其合金的表面处理组合物和溶液及表面处理方法 |
CN102978595A (zh) * | 2012-09-29 | 2013-03-20 | 吴雅萍 | 一种镁及镁合金表面防腐的方法 |
CN104498920A (zh) * | 2014-11-28 | 2015-04-08 | 安徽华灿彩钢薄板科技有限公司 | 一种彩钢板的加工方法 |
CN104711572B (zh) * | 2015-01-26 | 2017-04-19 | 北方工业大学 | 镁合金磷酸盐/脂肪酸盐复合超疏水耐蚀膜的制备方法 |
CN104789965A (zh) * | 2015-04-16 | 2015-07-22 | 柳州豪祥特科技有限公司 | 镁合金轮毂的预处理工艺 |
CN110172700A (zh) * | 2019-06-26 | 2019-08-27 | 匡云叶 | 一种镁合金表面处理液及表面处理方法 |
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2003
- 2003-09-05 CN CN 03125391 patent/CN1228468C/zh not_active Expired - Fee Related
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Dongfang Die-casting Machine Co., Ltd. Assignor: Huazhong University of Science and Technology Contract fulfillment period: 2008.6.18 to 2013.12.18 contract change Contract record no.: 2008330000313 Denomination of invention: Non-chromium surface treatment method for magnesium alloy accessory Granted publication date: 20051123 License type: Exclusive license Record date: 2008.8.29 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.6.18 TO 2013.12.18 Name of requester: NINGBO DONGFANG DIE CASTING MACHINE CO. Effective date: 20080829 |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051123 Termination date: 20091009 |