研究了在锌池中依次添加0．1％Zr、0．1％Co、0．1％Ni、0．1％V微合金化元素对含硅结构钢热浸镀锌性能的影响，并结合扩散通道理论解释了合金元素及其协同作用对硅反应性抑制的机理。研究表明，锌池中添加O．1％zr或0．1％Co＋0．1％zr时，会在（层外侧形成少量不连续的Zn-Fe-zr或Zn．Co-zr三元化合物，但其只减薄了Sandelin钢镀锌时的镀层厚度，而对抑制高硅钢的硅反应性基本没有贡献。继续添加0．1％Ni后，Ni会在纯锌层与‘层的界面上富集，可抑制Q235钢的硅反应性，但不能抑制Q345钢中的硅反应性。直到锌池中添加了0．1％Zr．0．1％Co-0．1％Ni-0．1％V后，才能很好的抑制Q345钢中的硅反应性。此时，在自由锌层与￡层的界面上形成了明显的Zn-Fe-Ni-V化合物。通过扩散通道模型可以很好地解释这些实验现象。
Effects of addition of 0.1% Zr, 0.1% Co, O. 1% Ni and 0.1% V into zinc bath on galvanizing of Sicontaining steels were investigated. The results indicate that the addition of 0.1% Zr or 0.1% Co and 0. 1% Zr exhibits insignificant effect on Si reactivity, even though ZnFeZr or ZnCoZr ternary compound particles form in front of ~ layer. The Si reactivity in Q235 steel is controlled after adding 0. 1% Ni successfully but not suppressed in Q345 steel until the combined adding of O. 1% Zr, 0. 1% Co, 0.1% Ni and 0. 1% V, and an alloy layer of ZnFeNiV compound is obviously formed in front of layer by hotdip galvanizing in the bath. The experimental results are discussed by diffusion path model.
参考文献
| [1] | 李智,苏旭平,尹付成,贺跃辉.钢基热浸镀锌的研究[J].材料导报,2003(12):12-14,18. |
| [2] | 闫瑞华,张克,孙虎元,孙立娟,刘增文.添加钛元素对热浸镀锌层性能的影响[J].海洋科学,2008(11):20-23. |
| [3] | Marder AR. .The metallurgy of zinc-coated steel [Review][J].Progress in materials science,2000(3):191-271. |
| [4] | Zervoudis J;Anderson G.A review of bath alloy additives and their impact on the quality of the galvanized coating[A].,2005:1-17. |
| [5] | Chen Z W;Kennon N F;See J B et al.Technigalva and other developments in batch hot-dip galvanizing[J].Journal of the Minerals,Metals & Materials Society,1992,44(01):22-26. |
| [6] | 陈锦虹;卢锦堂;许乔瑜 等.硅镇静钢热浸镀Zn-Ni合金[J].金属热处理,1996,21(11):9-12. |
| [7] | 孔纲,卢锦堂,许乔瑜.Zn-2wt%Ni合金包晶凝固的研究[J].金属热处理,2006(01):36-39. |
| [8] | 许乔瑜,卢锦堂,陈锦虹,孔纲,刘丽霞.国外活性钢热镀锌技术研究的进展[J].材料保护,2000(11):5-7. |
| [9] | Mackowiak J;Short N .Metallurgy of galvanizing coatings[J].International Metals Reviews,1979,24(01):1-19. |
| [10] | Sebisty J J;Palmer R H.Hot dip galvanizing with less common bath additions[A].,1964:235-266. |
| [11] | 李发国,尹付成,苏旭平,李智.钴对含硅钢镀锌层的组织和生长动力学的影响[J].中国有色金属学报,2010(01):86-91. |
| [12] | Su, X.;Wu, C.;Liu, D.;Yin, F.;Zhu, Z.;Yang, S. .Effect of vanadium on galvanizing Si-containing steels[J].Surface & Coatings Technology,2010(1):213-218. |
| [13] | Tang NY.;Toguri JM.;Su XP. .Experimental study and thermodynamic assessment of the Zn-Fe-Ni system[J].Calphad: Computer Coupling of Phase Diagrams and Thermochemistry,2001(2):267-277. |
| [14] | Changjun Wu;Xuping Su;Daniel Liu;Xinming Wang;Fucheng Yin;Zhongxi Zhu;Zhi Li .Experimental investigation of the Zn-Fe-V system at 450℃[J].International Journal of Materials Research,2010(12):1476-1483. |
| [15] | 苏旭平,李智,尹付成,贺跃辉,潘世文.热浸镀中硅反应性研究[J].金属学报,2008(06):718-722. |
| [16] | Nai-Yong Tang;Xuping Su;Xuebin Yu .The Zn-rich corner of the Zn-Fe-Co system at 450℃[J].Zeitschrift fur Metallkunde,2003(2):116-121. |
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