张旦闻,刘宏昭,刘平,路俊攀

• 1:西安理工大学机械与精密仪器工程学院
• 2:西安理工大学机械与精密仪器工程学院
• 3:河南科技大学
• 4:中国洛阳铜加工集团公司检测中心 陕西西安710049

摘要(Abstract)：

利用改进的裂纹柔度法对精密铜合金板带轧向残余应力进行了检测。利用对称组合应变测量的方法实现剪应力与轧向残余应力的分离,分别计算出板带的轧向残余应力和剪应力分布,计算结果与板形检测结果取得一致。结果表明:板带分切过程产生的压应力分布区域(BC)在2.5t~4.7t(t-板带厚度)之间,对板形的影响范围(BS)在5.3t~10t之间,BS对分切工艺参数变化反应敏感可以作为板带分切质量和冲裁余量的评定参数。

关键词(KeyWords)： 轧向残余应力;剪应力;铜合金板带;裂纹柔度法

Abstract:

Keywords:

基金项目(Foundation): 国家自然基金资助项目(50571035)

作者(Author): 张旦闻,刘宏昭,刘平,路俊攀

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