廖凯,陈飞,陈辉,王伟,刘义鹏

• 1:中南林业科技大学机电工程学院

摘要(Abstract)：

为了能够准确获知铝合金淬火厚板任意位置上的应力场分布状况,可运用解析方法求取厚板全局应力场。本文利用层削法、XRD应力测试和有限元应力仿真,提出基于表面应力分布和能量守恒原理,对7075铝合金轧制厚板体应力场进行离散解析描述。研究结果表明:通过在材料均匀区域进行的层削法应力实验和表面XRD应力测试,可以构建一个适用于整个厚板应力场描述的体应力场函数,该函数完成了对厚板全局应力分布的描述和预测,计算偏差小于20 MPa。

关键词(KeyWords)： 铝合金;淬火;离散解析法;体应力场;预测

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51475483);; 广西自然科学基金(2012GXNSFBA053150);; 湖南省科技计划项目(2014FJ3002);; 湖南省高校科技创新团队支持计划项目

作者(Author): 廖凯,陈飞,陈辉,王伟,刘义鹏

DOI: 10.13289/j.issn.1009-6264.2015.05.042

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