中国塑料 ›› 2019, Vol. 33 ›› Issue (10): 128-136.DOI: 10.19491/j.issn.1001-9278.2019.10.022

• 综述 • 上一篇    

基于循环载荷的聚乙烯管材裂纹圆棒试验方法研究进展

杨波1,刘一江2,李茂东1,翟伟1,罗文波2,王志刚1   

  1. 1. 广州特种承压设备检测研究院 2. 湘潭大学土木工程与力学学院
  • 收稿日期:2019-04-29 修回日期:2019-05-20 出版日期:2019-10-26 发布日期:2019-10-25
  • 基金资助:
    广东省质量技术监督局科技项目(2017CT15

Research Progress in Cyclic Crack Round Bar Test for Polyethylene Pipes

YANG Bo1, LIU Yijiang2, LI Maodong1, ZHAI Wei1, LUO Wenbo2, WANG Zhigang1   

  1. 1Guanezhou Special Pressure Equioment Inspection and Research InstituteGuanezhou 510663,China;
    2.College of Civil Engineering and MechanicsXiangtan UniversityXiangtan 411105,China
  • Received:2019-04-29 Revised:2019-05-20 Online:2019-10-26 Published:2019-10-25
  • Contact: YANG Bo E-mail:boycs@126.com

摘要: 介绍了循环载荷下裂纹圆棒试验(cyclic cracked round bar test, CRB)方法的理论背景及试验方法;综述了国内外对CRB法应用于聚乙烯管材耐慢速裂纹扩展性能的研究现状;并对该方法的应用和发展方向进行了讨论。

关键词: 聚乙烯管道, 慢速裂纹扩展, 蠕变寿命, 循环载荷下裂纹圆棒试验

Abstract: This paper introduced the theoretical background and experimental methods of cyclic cracked round bar (CRB) test and also reviewed the research status at home and abroad for the cyclic CRB test method applied in the characterization of slow crack growth resistant performance of polyethylene pipes. In addition, the applications and development direction of CRB test was discussed.

Key words: polyethylene pipe, slow crack growth resistance, creep lifetime, cyclic cracked round bar test

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