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Title:
An instrumented indentation method for evaluating the effect of hydrostatic pressure on the yield strength of solid polymers
Author: Peng GJ; Feng YH(冯义辉); Wen DH; Zhang TH(张泰华)
Source: JOURNAL OF MATERIALS RESEARCH
Issued Date: 2014-12-28
Volume: 29, Issue:24, Pages:2973-2981
Abstract: 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.
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Zhang, TH (reprint author), Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310014, Zhejiang, Peoples R China.
Correspondent Email: zhangth@zjut.edu.cn
Related URLs: 查看原文
WOS ID: WOS:000346432200010
ISSN: 0884-2914
Rank: [Peng, Guangjian; Wen, Donghui; Zhang, Taihua] Zhejiang Univ Technol, Coll Mech Engn, Hangzhou 310014, Zhejiang, Peoples R China; [Feng, Yihui] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
Subject: Materials Science
Department: LNM实验平台
Classification: 二类/Q2
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/49478
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
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,2014-12-28,29(24):2973-2981.
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