合金化参数对烘烤硬化钢表面热镀锌合金化镀层结构和抗粉化性能的影响
Effects of Galvannealing Parameter on Structure and Powdering Resistance of Hot Galvannealed Coating on Surface of Bake-Hardening Steel
摘 要
在不同合金化温度和时间下在H220BD烘烤硬化钢表面制备了热镀锌合金化镀层，研究了镀层的形貌、化学成分与抗粉化性能。结果表明：随着合金化温度的升高、合金化时间的延长，镀层与钢基体之间的锌铁互扩散变充分，铁锌合金相逐渐生成且向镀层表面生长，其形态由条柱状逐渐转变为细小颗粒状，镀层的平均铁含量与粉化量增加；当合金化温度为480℃、合金化时间为25 s时，镀层性能较佳，铁锌合金相呈细小颗粒状，镀层粉化量较小。
烘烤硬化钢
锌铁扩散
抗粉化性能
hot galvannealing
bake-hardening steel
zinc-iron diffusion
powdering resistance
Abstract
Hot galvannealing coating on surface of H220BD bake-hardening steel was prepared at different galvannealing temperatures for different times. The morphology, chemical composition and powdering resistance of the coating were studied. The results show that with the increase of galvannealing temperature or the extension of galvannealing time, the zinc and iron in the coating and steel substrate diffused fully, the iron-zinc alloy phase was formed and extended to the surface of the coating with the shape from strip columnar to fine granular, and the average iron content and powdering mass of the coating increased. When the galvannealing temperature was 480℃ and the galvannealing time was 25 s, the performance of the coating was relatively good; the iron-zinc alloy phase was in a finer-grained shape and the powdering mass of the coating was relatively small.
中图分类号 TG111.7 DOI 10.11973/jxgccl201712018
所属栏目 材料性能及应用
基金项目
收稿日期 2016/11/29
修改稿日期 2017/10/2
网络出版日期
作者单位点击查看
备注马亚鑫(1988-),男,河南新郑人,助教,硕士
引用该论文: MA Yaxin,CHEN Xiaohui,MENG Zhengxing,ZHENG Jinhui. Effects of Galvannealing Parameter on Structure and Powdering Resistance of Hot Galvannealed Coating on Surface of Bake-Hardening Steel[J]. Materials for mechancial engineering, 2017, 41(12): 85～89
马亚鑫,陈晓辉,门正兴,郑金辉. 合金化参数对烘烤硬化钢表面热镀锌合金化镀层结构和抗粉化性能的影响[J]. 机械工程材料, 2017, 41(12): 85～89
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参考文献
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【2】ALIHOSSEINI H, DEHGHANI K. Bake hardening of ultra-fine grained low carbon steel produced by constrained groove pressing[J]. Materials Science and Engineering A, 2012, 549:157-162.
【3】WANG H, SHI W, HE Y L,et al. Effect of overaging on solute distributions and bake hardening phenomenon in bake hardening steels[J]. Journal of Iron and Steel Research, International, 2012, 19(1):53-59.
【4】IWAMOTO S, OCHIAI S, OKUDA H. Analysis of group-buckling and debonding behaviors of galvannealed coating layer on steel substrates under applied tensile stress[J]. ISIJ International, 2009, 49(1):139-145.
【5】OCHIAI S, IWAMOTO S, NAKAMURA T,et al. Crack spacing distribution in coating layer of galvannealed steel under applied tensile strain[J]. ISIJ International, 2007, 47(3):458-465.
【6】NUNOMURA Y, TAKASUGI T. Plastic deformation and fracture behavior of galvannealed coating[J]. ISIJ International, 2003, 43(3):454-460.
【7】袁训华,刘昕,陈斌锴,等. 合金化镀层拉伸过程中裂纹产生及扩展的原位观察[J]. 金属热处理, 2010, 35(10):11-15.
【8】IWAMOTO S, OCHIAI S, OKUDA H. Finite element analysis of interfacial debonding of the Fe-Zn intermetallic coating layer on steel substrate[C]//The 7th International Conference on Zinc and Zinc Alloy Coated Steel Sheet. Osaka, Japan:The Iron and Steel Institute of Japan, 2007:236-241.
【9】VAN DER HEIDEN A, BURGHARDT A J C, VAN KOESVELD W,et al. Galvanneal microstructure and anti-powdering process windows[M]//The Physical Metallurgy of Zinc Coated Steel. Warrendale, PA:TMS, 1994:251-256.
【10】JORDAN C E, MARDER A R. A model for galvanneal morphology development[M]//The Physical Metallurgy of Zinc Coated Steel. Warrendale, PA:TMS, 1994:197-201.
【11】周亚梅. 退火工艺对Ti-IF钢合金化热镀锌板微观组织织构的影响[J]. 钢铁研究, 2006, 34(2):21-25.
【12】JORDAN C E, GOGGINS K M, MARDER A R. Kinetics and formability of hot-dip galvanneal coatings[C]//The 2nd International Conference on Zinc and Zinc Alloy Coated Steel Sheet. Amsterdam:Stahl and Eisen, 1992:137-142.
【13】VAN KOESVELD W, LAMBERIGTS M, VAN DER HEIDEN A, et al. Coating microstructure assessment and control for advanced product properties of galvannealed IF steels[C]. The 3rd International Conference on Zinc and Zinc Alloy Coated Steel Sheet. Chicago, IL:Iron and Steel Society, 1995:343-347.
【14】娄德诚,乔建军,闻达,等. 热镀锌合金化产品镀层铁含量工艺控制研究[J]. 轧钢, 2014, 31(6):12-16.
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