高铝锌基合金的腐蚀研究进展

Progress on the Corrosion Research of High Aluminum Zn-based Alloy

高铝锌基合金是近年来应用日益广泛的价廉、节能、优质的新材料。该类合金熔炼工艺简单,具有较好的力学性能、工艺性能,以及优良的耐磨性能。目前,工业上已用其部分代替青铜、黄铜、铸铁甚至球铁等结构材料。本文对铝锌二元合金相图的修正、高铝锌基合金耐腐蚀性能的研究进行了综述,对其腐蚀机理、研究方法和手段进行了阐述,最后介绍了目前高铝锌基合金耐腐蚀性研究的热点问题和发展方向。

The high aluminum content Zn-based alloys are widely used because of the advantages of low cost,saving energy and high quality in the recent years.At the same time,the alloys have simple smelting technology and excellent mechanical properties and technology properties as well as anti-abrasion properties.The alloys are used to replace structural materials of bronze,brass,cast iron,and even ductile iron,and they have wide application prospects.This paper reviews the research progress on the modified Al-Zn binary phase diagram and corrosion resistance of the alloys.The corrosion mechanism and the main measurement used in research of high aluminum content Zn-based alloy are also reviewed.At the end,some hot problems and the prospective development on corrosion resistance research of the alloy are presented.