任凤章,罗玉梅,张伟,张旦闻,田保红,魏世忠,苏娟华

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性技术河南省协同创新中心
• 3:洛阳理工学院机电工程系

摘要(Abstract)：

用裂纹柔度法对45钢调质喷丸试样的残余应力大小及分布进行了测量,并将其测试结果与结合电解抛光技术的X射线法测得结果进行了对比。结果表明,裂纹柔度法测得距喷丸表面300μm深处的残余压应力为471 MPa,残余压应力场深为900μm;X射线法测得的最大残余压应力在近表层120μm处,为446 MPa,残余压应力场深为820μm;在可比较深度范围内,两种测试法获得的残余应力具有相同变化趋势,且数值大小也接近。

关键词(KeyWords)： 残余应力;裂纹柔度法;X射线法;电解抛光

Abstract:

Keywords:

基金项目(Foundation): 河南省科技创新人才计划(144200510009);; 国家自然科学基金(51201061);; 长江学者和创新团队发展计划(IRT1234);; 河南省重点攻关(092102210012);; 河南省基础与前沿技术研究计划(112300410002)

作者(Author): 任凤章,罗玉梅,张伟,张旦闻,田保红,魏世忠,苏娟华

DOI: 10.13289/j.issn.1009-6264.2015.09.032

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