陶诚,程晓农,许福海,李志强,刘光磊,谢树宽,匡中华,郭勇,吕鹏

• 1:江苏大学材料科学与工程学院
• 2:江苏铭利达科技有限公司

摘要(Abstract)：

时效工艺对压铸铝硅合金最终热处理强化效果起到至关重要的作用。利用响应曲面法研究了时效温度与时效时间的交互作用对压铸铝硅合金显微硬度、抗拉强度和伸长率的影响，并运用Matlab遗传算法对合金的力学性能进行多目标优化和时效工艺参数的设计。结果表明：响应曲面法结合Matlab多目标遗传算法的设计优化方法可以建立一个准确的模型，其预测值与实际值的误差小于5%。依靠模型可以快速获得不同目标需求对应的最优工艺参数方案，且经优化的时效工艺处理后合金的组织均匀，抗拉强度、硬度都有显著提升，伸长率略微下降。

关键词(KeyWords)： 铝硅合金;时效强化;响应面法;Matlab遗传算法

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金青年项目(51801076);; 江苏省高等学校自然科学研究面上项目(18KJB430009);; 江苏省博士后科研资助计划项目(1601055C);; 江苏大学高级人才科研启动(14JDG126)

作者(Author): 陶诚,程晓农,许福海,李志强,刘光磊,谢树宽,匡中华,郭勇,吕鹏

DOI: 10.13289/j.issn.1009-6264.2022-0582

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