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Effect of NiCl_2-Based Fluxes on Interfacial Layer Formation of Hot Dip Galvanized Steels 被引量：9

Effect of NiCl_2-Based Fluxes on Interfacial Layer Formation of Hot Dip Galvanized Steels
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摘要 While the thick growth of intermediate phase layers generally benefits the corrosion resistance of galvanized steels,it is unfavorable from the standpoints of mechanical integrity and economics.Thus,the influence of nickel chloride-based fluxes and the typical zinc-ammonium chloride flux on galvanized coating thickness as well as coating morphology and composition is examined.The investigation of pretreated hot dip galvanized steel specimens for various durations has verified that nickel chloride fluxes influence the growth rate of the zeta interlayer.This results in the overall reduction of the coating thickness by as much as two times compared to those prepared with the conventional flux.Nickel from the fluxes gradually diffuses away from the substrate＇s surface,and hence the initial concentration of the nickel salts along with the hot dip duration needs to be controlled appropriately for effective use of nickel chloride-based fluxes in the galvanizing process. While the thick growth of intermediate phase layers generally benefits the corrosion resistance of galvanized steels,it is unfavorable from the standpoints of mechanical integrity and economics.Thus,the influence of nickel chloride-based fluxes and the typical zinc-ammonium chloride flux on galvanized coating thickness as well as coating morphology and composition is examined.The investigation of pretreated hot dip galvanized steel specimens for various durations has verified that nickel chloride fluxes influence the growth rate of the zeta interlayer.This results in the overall reduction of the coating thickness by as much as two times compared to those prepared with the conventional flux.Nickel from the fluxes gradually diffuses away from the substrate＇s surface,and hence the initial concentration of the nickel salts along with the hot dip duration needs to be controlled appropriately for effective use of nickel chloride-based fluxes in the galvanizing process.
作者 Yuttanant Boonyongmaneerat Kanokwan Saengkiettiyut Pranee Rattanawaleedirojn Charttanong Angkaprasert Jumpot Wanichsampan Sawalee Saenapitak
机构地区 Metallurgy and Materials Science Research Institute
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2010年第8期74-78,共5页
基金 Item Sponsored by Iron and Steel Institute of Thailand(ISIT) for Research Funding(022/2552)
关键词 galvanization ZINC NICKEL FLUX corrosion protection galvanization zinc nickel flux corrosion protection
分类号 TG335.22 [金属学及工艺—金属压力加工]
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参考文献16

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同被引文献83

  • 1闫广强,马洪伟,常鹏.论热浸镀锌生产的环境控制[J].科技资讯,2007,5(1). 被引量：4
  • 2宋人英,于年中.稀土在锌基热镀合金中的作用研究[J].东南大学学报（自然科学版）,1995,25(2):120-123. 被引量：7
  • 3孔纲,卢锦堂,许乔瑜.热浸镀锌助镀工艺的研究与应用[J].材料保护,2005,38(8):56-58. 被引量：29
  • 4李俊红.锌镍合金的研制[J].有色金属（冶炼部分）,2006(3):51-53. 被引量：7
  • 5闫广强,马洪伟,常鹏.论热浸镀锌生产的环境控制[J].科技咨询导报,2007(6):63-63. 被引量：2
  • 6Verma A R B, Van Ooij W J. High-temperature batch hot- dip galvanizing. Part 1. General description of coatings formed at 560 [ J ]. Surface and Coatings Technology, 1997, 89(1) :132 - 142.
  • 7Pistofidis N, Vourlias G, Konidaris S, et al. The effect of preflux bath additives on the morphology and structure of the hot - dip galvanized coatings [ J ]. Crystal Research and Technology, 2006, 41 ( 8 ) : 759 - 765.
  • 8江社明,张启富.中国批量热浸镀锌行业的现状与技术进步[c]//第10届中国热浸镀学术技术交流会议论文集.天津:中国腐蚀与防护学会热浸镀专业委员会,2014.
  • 9张启富.联合国商品共同基金“技术转换与促进需求:中国批量热浸镀锌”项目进展与实施[c]//第9届中国热浸镀学术技术交流会议论文集.成都:中国腐蚀与防护学会热浸镀专业委员会,2011.
  • 10朱文德.联合国共同基金CFC项目实施成果报告[c]//第9届中国热浸镀学术技术交流会议论文集.成都:中国腐蚀与防护学会热浸镀专业委员会,2011.

引证文献9

二级引证文献31

Journal of Iron and Steel Research International
2010年 第8期

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