岳崇锋,江社明,刘昕,王贺贺,张启富,曲选辉

• 1:钢铁研究总院先进金属材料涂镀国家工程实验室
• 2:北京科技大学材料科学与工程学院
• 3:中国钢研科技集团有限公司新冶集团

摘要(Abstract)：

对成形后镀层脱落的热镀锌钢板镀层组织进行了观察,从抑制层形成机制、热浸镀工艺等方面对镀层脱落的原因进行解析。结果表明,镀层发生脱落原因是由于基板表面抑制层不完整,发生铁锌合金反应生成脆性的铁锌合金相,在变形过程中,镀层从铁锌合金相处破坏并产生剥离脱落。建议通过优化以下关键工艺以提高产品质量:提高带钢表面清洁度、严格控制锌液中铝含量、合理控制热浸镀工艺等。经过以上工艺优化与严格控制,最终得到了抑制层连续致密的合格镀锌板产品。

关键词(KeyWords)： 热镀锌板;脱落;抑制层;变形

Abstract:

Keywords:

基金项目(Foundation): 国家“十二五”科技支撑计划项目(2012BAJ13B03)

作者(Author): 岳崇锋,江社明,刘昕,王贺贺,张启富,曲选辉

DOI: 10.13289/j.issn.1009-6264.2014.12.038

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