综述了多轴蠕变的试验方法,并推荐了基于试验数据评价工程结构蠕变寿命的参考应力法.介绍了目前常用的薄壁管试验、环向缺口圆棒试验、环向缺口薄壁管试验、构件模拟试验、穿孔二向板试验、十字形二向板试验和紧凑拉伸试验等多轴蠕变试验方法;讨论了这些方法的优缺点及其适用范围.在分析欧盟ESIS P10-02缺口圆棒多轴蠕变试验规范的基础上,讨论了如何根据蠕变构件的参考应力、节点应力和失效模式来预测其多轴蠕变断裂寿命.
所属栏目
国家自然科学基金资助项目(50505012);上海市青年科技启明星计划资助项目(05QMX1416);霍英东青年教师基金资助项目(101054)
收稿日期
2007/3/262007/5/22
作者单位
姚华堂:华东理工大学机械与动力工程学院, 上海 200237
轩福贞:华东理工大学机械与动力工程学院, 上海 200237
沈树芳:华东理工大学机械与动力工程学院, 上海 200237
王正东:华东理工大学机械与动力工程学院, 上海 200237
备注
姚华堂(1972-),男,湖北孝感人,博士研究生.
引用该论文:
YAO Hua-tang,XUAN Fu-zhen,SHEN Shu-fang,WANG Zheng-dong.Multi-axial Stress Creep Testing Methods for High Temperature Materials[J].Materials for mechancial engineering,2008,32(1):5～9
姚华堂,轩福贞,沈树芳,王正东.高温材料的多轴蠕变试验方法[J].机械工程材料,2008,32(1):5～9
被引情况:
【1】
王珂,刘遵超,刘彤,曹侃,刘敏珊, "管壳式换热器壳体的高温蠕变有限元分析",机械工程材料
38, 87-90(2014)
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