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An instrumented indentation method for evaluating the effect of hydrostatic pressure on the yield strength of solid polymers
Peng GJ; Feng YH(冯义辉); Wen DH; Zhang TH(张泰华); Zhang, TH (reprint author), Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310014, Zhejiang, Peoples R China.
2014-12-28
发表期刊JOURNAL OF MATERIALS RESEARCH
卷号29期号:24页码:2973-2981
ISSN0884-2914
摘要The yield behavior of solid polymers may be influenced by the hydrostatic pressure, strain rate, and temperature. In the present work, we focus on evaluating the effect of hydrostatic pressure on the yield strength by instrumented indentation. Using dimensional analysis and finite element analysis, two analytical expressions were derived to relate the indentation data to the plastic properties, and a method for extracting the coefficient of internal friction which reflects the effect of hydrostatic pressure on the yield strength was established. Applications were illustrated on polypropylene (PP), polycarbonate (PC), and unplasticized polyvinyl chloride (UPVC). The coefficient of internal friction determined by this indentation method is 0.20 +/- 0.02 for PP, 0.07 +/- 0.01 for PC, and 0.10 +/- 0.01 for UPVC, which are in good agreement with the values reported in the literature. This demonstrates the proposed indentation method which is useful to evaluate the effect of hydrostatic pressure on the yield strength of solid polymers.
学科领域Materials Science
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收录类别SCI ; EI
语种英语
WOS记录号WOS:000346432200010
项目资助者The authors would like to thank Dr. Y. Huan for specimen processing. The support from the National Natural Science Foundation of China (Grant Nos. 11025212, 11272318, 11402233, and 11302231) and the Young Scholars of Zhejiang Province (R1111149) is gratefully acknowledged.
课题组名称LNM实验平台
论文分区二类/Q2
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/49478
专题非线性力学国家重点实验室
通讯作者Zhang, TH (reprint author), Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310014, Zhejiang, Peoples R China.
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GB/T 7714
Peng GJ,Feng YH,Wen DH,et al. An instrumented indentation method for evaluating the effect of hydrostatic pressure on the yield strength of solid polymers[J]. JOURNAL OF MATERIALS RESEARCH,2014,29(24):2973-2981.
APA Peng GJ,冯义辉,Wen DH,张泰华,&Zhang, TH .(2014).An instrumented indentation method for evaluating the effect of hydrostatic pressure on the yield strength of solid polymers.JOURNAL OF MATERIALS RESEARCH,29(24),2973-2981.
MLA Peng GJ,et al."An instrumented indentation method for evaluating the effect of hydrostatic pressure on the yield strength of solid polymers".JOURNAL OF MATERIALS RESEARCH 29.24(2014):2973-2981.
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