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- Title
Evaluation of Performance Reliability for Polyethylene Pipe by Cyclic Loading Method.
- Authors
YANG Bo; HE Jiaping; ZHAI Wei; XIANG Jianping; WANG Zhigang; ZUO Xiaofeng
- Abstract
To investigate the performance reliability of polyethylene (PE) [pipe under the slow crack growth (SCG) condition, five different graded PE pipes were selected for the evaluation of SCG resistance by a cyclic load gap (CRB) test and a full-notch tensile creep test (FNCT), and the correlation of experimental results was analyzed. Moreover, the macromolecular structural parameters of PE pipes including molecular weight and distribution, crystallinity and wafer thickness were investigated to further verify the performance reliability of selected PE tubes under the SCG condition, and meanwhile the reliability of CRB test method was also confirmed. The results indicated that the CRB test method not only could be used to reliably and effectively evaluate the SCG resistance of PE pipes, but also revealed a shorter test time and closer test conditions than the FNCT.
- Publication
China Plastics / Zhongguo Suliao, 2020, Vol 34, Issue 3, p54
- ISSN
1001-9278
- Publication type
Article
- DOI
10.19491/j.issn.1001-9278.2020.03.009