研究了不同变形温度和变形次数下7a04铝合金组织与性能的变化规律。
The evolution law of microstructure and properties of 7a04 alloy at different deformation temperature and times was studied.
对热加工过程中微观组织变化的计算机模拟以及组织与力学性能关系进行的研究最近已成为本学科研究领域的热点之一。
Computer modeling of microstructural changes and the relationships between mechanical properties of hot rolled steel products has been under active development in the research community.
研究了国产GH220合金涡轮叶片经236小时台架试车后的表面渗层、基体组织与合金性能的变化。
The changes of surface coating, basic structures and mechanical proper-tie? in first stage turbine blade of GH220 alloy tested by engine rig for 236 hour? has been investigated.
实验结果表明：在其他工艺参数一定时，浇注温度、铸型温度变化对压铸镁合金AM60B组织与性能有较大的影响；
The result of experiment shows that, at constant value of other factors, the changes of pouring and mold temperature have greater effects on microstructure and properties of AM60B alloy;
实验结果表明：在其他工艺参数一定时，浇注温度、铸型温度变化对压铸镁合金AM60B组织与性能有较大的影响；
The result of experiment shows that, at constant value of other factors, the changes of pouring and mold temperature have greater effects on microstructure and properties of AM60B alloy;
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