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Mg含量对1.6%Al锌铝镁合金镀层组织影响研究

金永清 郭太雄 董学强 邓菡

金永清, 郭太雄, 董学强, 邓菡. Mg含量对1.6%Al锌铝镁合金镀层组织影响研究[J]. 钢铁钒钛, 2022, 43(5): 191-196. doi: 10.7513/j.issn.1004-7638.2022.05.028
引用本文: 金永清, 郭太雄, 董学强, 邓菡. Mg含量对1.6%Al锌铝镁合金镀层组织影响研究[J]. 钢铁钒钛, 2022, 43(5): 191-196. doi: 10.7513/j.issn.1004-7638.2022.05.028
Jin Yongqing, Guo Taixiong, Dong Xueqiang, Deng Han. The study of the role of Mg content in microstructure of Zn-1.6Al-xMg alloy coatings[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(5): 191-196. doi: 10.7513/j.issn.1004-7638.2022.05.028
Citation: Jin Yongqing, Guo Taixiong, Dong Xueqiang, Deng Han. The study of the role of Mg content in microstructure of Zn-1.6Al-xMg alloy coatings[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(5): 191-196. doi: 10.7513/j.issn.1004-7638.2022.05.028

Mg含量对1.6%Al锌铝镁合金镀层组织影响研究

doi: 10.7513/j.issn.1004-7638.2022.05.028
详细信息
    作者简介:

    金永清,1974年出生,男,四川攀枝花人,热处理高级工程师,研究方向为连续热镀锌及彩涂工艺技术管理,E-mail:980227506@qq.com

  • 中图分类号: TF76,TG174.4

The study of the role of Mg content in microstructure of Zn-1.6Al-xMg alloy coatings

  • 摘要: 利用热镀锌模拟机制备了Zn-1.6A1-1.3Mg、Zn-1.6A1-1.6Mg和Zn-1.6Al-2.0Mg热镀合金镀层钢板,并利用XRD、SEM和EDS对涂层的微观组织进行分析。结果表明,镀层由块状富Zn相、Zn/MgZn2二元共晶组织、细小的Zn/Al/MgZn2三元共晶组织和少量点状富Al相组成。随着Mg含量增加,镀层表面块状富Zn相的比例和尺寸减小,三元共晶组织减少,而二元共晶组织和条状富Al相的数量增多。在截面中,镀层的三元共晶组织随Mg含量升高而减少,二元共晶组织随Mg含量升高而增多。
  • 图  1  热浸镀模拟机

    Figure  1.  Hot dip galvanizing simulator

    图  2  热浸镀锌铝镁试验工艺

    Figure  2.  Test process of Zn-Al-Mg hot dip galvanizing

    图  3  热浸镀锌铝镁合金镀层钢板试样

    Figure  3.  Zn-Al-Mg alloy hot dip galvanized steel plate sample

    图  4  Zn-1.6Al-1.6Mg 镀层表面XRD物相分析

    Figure  4.  XRD analysis of Zn-1.6Al-1.6Mg coating surface

    图  5  Zn-1.6Al-1.6Mg 镀层表面组织SEM 形貌及EDS 能谱分析

    Figure  5.  SEM and EDS analysis of Zn-1.6Al-1.6Mg coating

    图  6  Zn-1.6Al-1.6Mg 镀层截面组织 SEM 形貌及EDS 能谱分析

    Figure  6.  SEM and EDS analysis of cross-section of Zn-1.6Al-1.6Mg coating

    图  7  Mg含量对1.6%Al锌铝镁镀层表面组织的影响

    Figure  7.  Effect of Mg content on surface structure of 1.6%Al Zn-Al-Mg coating

    图  8  Mg含量对1.6%Al锌铝镁镀层截面组织的影响

    Figure  8.  Effect of Mg content on the section structure of 1.6% Al Zn-Al-Mg coating

    图  9  Zn-Al-Mg三元合金相图

    Figure  9.  Phase diagram of Zn-Al-Mg ternary alloy

    表  1  试验用锌铝镁镀液Al、Mg成分

    Table  1.   Composition of Al and Mg in Zn-Al-Mg coating solution for test

    元素组成目标/%实测/%
    AlMgAlMg
    Zn-1.6Al-1.3Mg1.61.31.61.32
    Zn-1.6Al-1.6Mg1.61.61.581.59
    Zn-1.6Al-2.0Mg1.621.632.01
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-06-28
  • 刊出日期:  2022-11-01

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