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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.
Source PublicationJOURNAL OF MATERIALS RESEARCH
2014-12-28
Volume29Issue:24Pages:2973-2981
ISSN0884-2914
AbstractThe 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.
Subject AreaMaterials Science
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000346432200010
Funding OrganizationThe 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.
DepartmentLNM实验平台
Classification二类/Q2
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49477
Collection非线性力学国家重点实验室
Corresponding AuthorZhang, TH (reprint author), Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310014, Zhejiang, Peoples R China.
Recommended Citation
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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