总结了国内外关于高强铝合金的发展历程,探讨了超高强铝合金的强韧化机制及研究现状,对比分析了相关的热处理工艺对超高强铝合金的性能的影响,展望了超高强铝合金今后的发展方向和发展目标.国内外超高强铝合金研制基本上是沿着高强度、低韧性→高强度、高韧性→高强度、高韧性、耐腐蚀方向发展;随之的热处理状态开发则是沿着T6→T73→T76→T736(T74)→T77方向进展;在合金设计方面的特点是合金化程度越来越高,Fe和Si等杂质含量越来越低,微量过渡族元素添加越来越合理.改进合金成分、改善合金制备工艺和开发新型的热处理工艺是提高超高强铝合金性能的重要发展方向和途径.
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