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镁合金表面电位梯度镀层防腐模型
引用本文:蒋永锋,杨顺贞,高莹,包晔峰,田松亚.镁合金表面电位梯度镀层防腐模型[J].河海大学常州分校学报,2006,20(3):47-49.
作者姓名:蒋永锋  杨顺贞  高莹  包晔峰  田松亚
作者单位:河海大学,机电工程学院,江苏,常州,213022
摘    要:根据镁合金的化学和电化学特性,建立了适用于镁合金表面的电位梯度镀层防腐模型.该模型以浸锌层打底,通过冲击镀黄铜提高电位,借助锌镍合金镀层的高耐蚀性和锌镀层的阳极特性为镁合金提供腐蚀防护,能将腐蚀控制在锌镍合金镀层的界面上.通过理论分析、应用研究和盐雾腐蚀试验,表明该模型对制备镁合金表面腐蚀防护膜层有理论和实践指导价值.

关 键 词:镁合金  电位梯度  模型  腐蚀防护
文章编号:1009-1130(2006)03-0047-03
修稿时间:2006年3月13日

Corrosion Protection Model of Coating with Electrical Potential Gradient Distribution on Magnesium Alloy
JIANG Yong-feng,YANG Shun-zhen,GAO Ying,BAO Ye-feng,TIAN Song-ya.Corrosion Protection Model of Coating with Electrical Potential Gradient Distribution on Magnesium Alloy[J].Journal of Hohai University Changzhou,2006,20(3):47-49.
Authors:JIANG Yong-feng  YANG Shun-zhen  GAO Ying  BAO Ye-feng  TIAN Song-ya
Abstract:A corrosion protection model of metal coatings with electrical potential gradient distribution on magnesium alloy is developed according to the chemical and electrochemical nature of magnesium alloy.By using brass-strike coating to increase the potential and the properties of zinc-nickel coating with high anti-corrosion and the zinc coating acting as anodic protection,the model,with zinc-immersion as under coatings,provides corrosion protection to magnesium alloy.The corrosion process can be controlled in the interface of coatings between brass and zinc-nickel.It is possible to guide preparation of anti-corrosion coatings on magnesium alloy through theoretical analysis and experimental investigation.
Keywords:magnesium alloy  potential gradient distribution  model  corrosion protection
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