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高温材料的多轴蠕变试验方法

姚华堂, 轩福贞, 沈树芳, 王正东

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.
引用本文: 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.
YAO Hua-tang, XUAN Fu-zhen, SHEN Shu-fang, WANG Zheng-dong. Multi-axial Stress Creep Testing Methods for High Temperature Materials[J]. Materials and Mechanical Engineering, 2008, 32(1): 5-9.
Citation: YAO Hua-tang, XUAN Fu-zhen, SHEN Shu-fang, WANG Zheng-dong. Multi-axial Stress Creep Testing Methods for High Temperature Materials[J]. Materials and Mechanical Engineering, 2008, 32(1): 5-9.

高温材料的多轴蠕变试验方法

基金项目: 

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)

详细信息
    作者简介:

    姚华堂(1972-),男,湖北孝感人,博士研究生.

  • 中图分类号: O343.6;O344.6

Multi-axial Stress Creep Testing Methods for High Temperature Materials

  • 摘要: 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.
    Abstract: Multi-axial creep testing methods are generalized,and then the method of how to evaluate the creep life of high temperature components based on creep testing data is presented.Introduction is made to the commonly-used multi-axial creep testing methods of thin walled tube testing,circumferentially notched bar testing,circumferentially notched tube testing,component stimulating testing,perforated biaxial plate testing,cruciform biaxial plate testing and compact tension testing.Characteristics and applications of these testing methods are discussed.The multi-axial creep testing code of ESIS P10-02 for circumferentially notched bar is analyzed,and then the approach of how to predict the creep rupture life of high temperature components according to their representative stresses,skeletal point stresses and failure modes is presented.
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出版历程
  • 收稿日期:  2007-05-21
  • 刊出日期:  2008-01-19

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