Volume 33 Issue 2
Apr.  2018
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CAO Chunpeng, ZHANG Zhen, DENG Yunlai. Effect of Microstructure of Al-Zn-Mg-T4 Aluminum Plate on Exfoliation Corrosion Resistance[J]. Development and Application of Materials, 2018, 33(2): 89-94. DOI: 10.19515/j.cnki.1003-1545.2018.02.015
Citation: CAO Chunpeng, ZHANG Zhen, DENG Yunlai. Effect of Microstructure of Al-Zn-Mg-T4 Aluminum Plate on Exfoliation Corrosion Resistance[J]. Development and Application of Materials, 2018, 33(2): 89-94. DOI: 10.19515/j.cnki.1003-1545.2018.02.015
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Effect of Microstructure of Al-Zn-Mg-T4 Aluminum Plate on Exfoliation Corrosion Resistance

  • 1. CRRC Qingdao Sifang Co., Ltd., Qingdao 266111, China;

  • 2. School of Materials Science and Engineering, Central South University, Changsha 410083, China;

  • 3. Cooperative Innovation Center for Advanced Nonferrous Metal Structural Materials and Manufacturing, Central South University, Changsha 410083, China

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  • Received Date: December 25, 2017
  • Available Online: March 17, 2024
    Graphical Abstract
    • Abstract
  • EXCO, metallography and SEM-EBSD were applied to research relevance between matrix structure and exfoliation corrosion resistance of Al-Zn-Mg alloy T4 plates. The result shows that the EXCO crackings mainly extend along the grain boundaries, and the corrosion depth is related to substructure configuration in the microstructure of Al-Zn-Mg alloy T4 plates.The EXCO resistance of plate with lower proportion of substructure is better than that of plate with higher proportion of substructure.
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