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Macroscopic Bifurcation and Fracture Mechanism of Polymethyl Methacrylate
Jiao, Da; Qu, Rui Tao; Zhang, Zhe Feng; zhfzhang@imr.ac.cn
2015
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume17Issue:10Pages:1454-1464
AbstractPolymethyl methacrylate (PMMA) is one of important engineering materials and has been widely applied in various fields. Owing to the catastrophically brittle fracture nature, exploring the fracture mechanism of PMMA is of crucial significance to guide its engineering application. In this work, tensile tests with several kinds of sample geometries including unnotched samples and notch samples with different widths were designed to systematically investigate the macroscopic bifurcation of PMMA. Based on the sufficient experimental evidences, the traditional critical stress intensity criterion was found inappropriate for predicting the macroscopic bifurcation of PMMA. Finally, the fracture features were explicitly clarified based on the detailed experimental observations, and a new explanation to elucidate the fracture mechanism of PMMA was proposed.
description.department[jiao, da ; qu, rui tao ; zhang, zhe feng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
Funding OrganizationNational Natural Science Foundation of China (NSFC) [51331007, 51301174]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74950
Collection中国科学院金属研究所
Corresponding Authorzhfzhang@imr.ac.cn
Recommended Citation
GB/T 7714
Jiao, Da,Qu, Rui Tao,Zhang, Zhe Feng,et al. Macroscopic Bifurcation and Fracture Mechanism of Polymethyl Methacrylate[J]. ADVANCED ENGINEERING MATERIALS,2015,17(10):1454-1464.
APA Jiao, Da,Qu, Rui Tao,Zhang, Zhe Feng,&zhfzhang@imr.ac.cn.(2015).Macroscopic Bifurcation and Fracture Mechanism of Polymethyl Methacrylate.ADVANCED ENGINEERING MATERIALS,17(10),1454-1464.
MLA Jiao, Da,et al."Macroscopic Bifurcation and Fracture Mechanism of Polymethyl Methacrylate".ADVANCED ENGINEERING MATERIALS 17.10(2015):1454-1464.
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