热浸Zn-Al合金镀层的助镀工艺和显微组织特征  

Characteristics of fluxing process and microstructure of hot-dip Zn-Al alloy coatings

作　　者：贺志荣[1] 刘继拓[1] 周超[1] 刘琳[1] 樊鹏斌 

机构地区：[1]陕西理工学院材料科学与工程学院,陕西汉中723003 [2]汉中锌业有限责任公司,陕西勉县724203

出　　处：《陕西理工学院学报（自然科学版）》2014年第3期5-9,33,共6页Journal of Shananxi University of Technology:Natural Science Edition

基　　金：陕西省科技统筹创新工程计划项目(2011KTDZ01-03-06);陕西理工学院研究生创新基金资助项目(SLGYCX1319)

摘　　要：简述了热浸Zn-Al合金镀层的助镀工艺和性能评价指标特点,论述了钢材热浸镀Zn-Al合金镀层的组成及形成过程,分析了钢中Si、Mn、P等常存元素对Zn-Al合金镀层中金属间化合物形成的影响,指出了热浸Zn-Al系多元合金镀层今后的研究方向。In this paper ,the characteristics of the fluxing process and the performance evaluation index of the hot-dip galvanizing Zn-Al alloy coatings are expounded .The microstructures and their forming processes of the hot-dip Zn-Al alloy coatings on the steel are described .The effects of the common elements of Si ,Mn, and P,etc.in the steels on the formation of intermetallic compounds in the hot-dip Zn-Al alloy coatings are analyzed also.Finally,the research directions of the hot-dip Zn-Al based alloy coatings in the future are pointed out .

关 键 词：ZN-AL合金 热浸镀 助镀工艺 镀层组织 镀层形成 

分 类 号：TG174.443[金属学及工艺—金属表面处理]