高玉魁,赵艳丽,仲政

• 1:同济大学航空航天与力学学院

摘要(Abstract)：

利用ANSYS有限元软件模拟计算了300M超高强度钢构件的孔挤压强化残余应力,建立了材料不同厚度构件的孔挤压残余应力场三维有限元模型,分析研究了构件厚度对残余应力场的影响,确定了最大残余压应力出现的位置,比较了孔挤压入口、中部和出口处残余应力场的变化情况。结果表明,残余压应力沿孔壁厚度方向的分布是不均匀的,入口处残余压应力最小,出口处次之,而中部的残余压应力最大。

关键词(KeyWords)： 孔挤压强化;残余应力场;有限元;三维模型

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(11372226);; 国家重点基础研究发展计划(2010CB833105);; 中央高校基本业务费专项资金资助和同济大学英才计划项目(1330219133和13302380043);; 国家冷轧板带装备及工艺工程技术研究中心开放课题(NECSR-201306)

作者(Author): 高玉魁,赵艳丽,仲政

DOI: 10.13289/j.issn.1009-6264.2014.10.037

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