A Mechanism of Improved Paint Adhesion by Ni Surface Conditioning Prior to Dry-in-place Chromate Treatment.

DOI Web Site 13 References

Bibliographic Information

Other Title
  • Ｎｉ表面調整処理によるカラー鋼板の塗膜密着性向上メカニズム
  • Ni ヒョウメン チョウセイ ショリ ニヨル カラー コウハン ノ トマク ミ

Search this article

Abstract

In this study, we investigated a mechanism for improving paint adhesion by using Ni surface conditioning prior to dry-in-place chromate treatment, which is usually applied to hot dip Zn-coated steel sheets as a paint base.<br>The results showed that the scattered deposits of Ni on the Zn surface formed micro cells with the Zn as the anode and the Ni as the cathode.<br>Through these micro cells, insoluble chromate film (Cr(III)) deposited on the Ni through an electrochemical reaction of reducing the Cr(VI) in the dry-in place chromate solution.<br>This mechanism of generating chromate film should contribute greatly to improved paint adhesion.

Journal

References(13)*help

See more

Keywords

Details 詳細情報について

Report a problem

Back to top