超高强Al-Zn-Mg-Cu合金的形变热处理研究进展

    Research Progress on Deformation Heat Treatment of Ultra-high Strength Al-Zn-Mg-Cu Alloy

    • 摘要: 通过形变热处理提升Al-Zn-Mg-Cu合金的性能,是超高强Al-Zn-Mg-Cu合金的研究重点之一。为了得到超高强Al-Zn-Mg-Cu合金,国内外学者对形变方法、热处理和形变热处理工艺进行了深入研究,取得了良好的科研成果,推动了超高强铝合金的发展和应用。综述了典型的形变方法、热处理工艺和形变热处理工艺,通过对比分析形变热处理特点,阐明了形变热处理对超高强Al-Zn-Mg-Cu合金微观组织、力学性能、腐蚀行为及断裂韧性的影响机理,展望了形变热处理研究方向和发展前景,旨在为超高强Al-Zn-Mg-Cu合金的成分设计、制备技术及性能进一步改善提供参考。

       

      Abstract: Improving the performance of Al-Zn-Mg-Cu alloy by deformation heat treatment is one of the research focuse of ultra-high strength Al-Zn-Mg-Cu alloy. In order to obtain high-strength Al-Zn-Mg-Cu alloy, scholars in China and abroad have conducted in-depth research on deformation methods, heat treatment and deformation heat treatment processes, and achieved good scientific research results, which have promoted the development and application of ultra-high strength aluminum alloys. The typical deformation methods, heat treatment processes and deformation heat treatment processes were reviewed, and the influence mechanisms of deformation heat treatment on the microstructure, mechanical properties, corrosion behavior and fracture toughness of ultra-high strength Al-Zn-Mg-Cu alloys were clarified by comparing and analyzing the characteristics of deformation heat treatment, and the research direction and development prospects of deformation heat treatment were prospected, aiming to provide references, for the further improvement of the compositional design, preparation technology and properties of ultra-high strength Al-Zn-Mg-Cu alloys.

       

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