...关键字: 7B04合金； 预拉伸厚板； 单级时效； 微观组织； 力学性能[gap=1527]Key words: 7B04 alloy; pre-stretched thick plate; one-step ageing; microstructure; mechanical property..
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The microstructure and properties of two-step aged 7b04 aluminum alloy pre-stretched thick plate were investigated using TEM, tensile and electrical conductivity test.
研究了双级时效处理对7b04铝合金预拉伸厚板的组织和性能的影响。
According to the characteristics of the thick pre-stretched aluminum alloy plate, a new method of measuring the residual stresses in thick plate is deduced by the elastic mechanical theory.
根据预拉伸铝合金厚板的特点，运用弹性力学理论推导出厚板内部残余应力测量的新方法。
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