发明授权
US5972198A Corrosion resistance test process for article formed of metal material
and coating
失效
金属材料和涂层形成的物品的耐腐蚀试验工艺
- 专利标题: Corrosion resistance test process for article formed of metal material and coating
- 专利标题(中): 金属材料和涂层形成的物品的耐腐蚀试验工艺
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申请号: US71915申请日: 1998-05-05
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公开(公告)号: US5972198A公开(公告)日: 1999-10-26
- 发明人: Toshihiro Takeuchi , Tadashi Imanaka , Keiji Kiuchi , Hidemichi Ohta
- 申请人: Toshihiro Takeuchi , Tadashi Imanaka , Keiji Kiuchi , Hidemichi Ohta
- 申请人地址: JPX Gunma JPX Tokyo
- 专利权人: Mitsuba Corporation,Honda Giken Kogyo Kabushiki Kaisha
- 当前专利权人: Mitsuba Corporation,Honda Giken Kogyo Kabushiki Kaisha
- 当前专利权人地址: JPX Gunma JPX Tokyo
- 优先权: JPX9-115840 19970506
- 主分类号: G01N17/04
- IPC分类号: G01N17/04 ; G01N17/00 ; G01N17/02 ; G01N27/26
摘要:
It is an object of the present invention to provide a corrosion resistance test process, wherein the estimation of the corrosion resistance of an article formed of a metal material and a coating can be carried out synthetically and in a short time. In carrying out a corrosion resistance test, the article is immersed into an electrolytic solution and then, a voltage is applied to the metal material to carry out a metal material corroding step and a coating peeling-off step alternatively and repeatedly. The voltage applied to the metal material is a superimposed voltage Vd+Va resulting from superimposition of a DC voltage Vd and an AC voltage Va. A voltage condition of Vd 0 is established at the metal material corroding step, while a voltage condition of Vd
公开/授权文献
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