Deformation and failure maps for PMMA in uniaxial tension

被引：25

作者：

Van Loock, Frederik ^{[1
]}

Fleck, Norman A. ^{[1
]}

机构：

[1] Univ Cambridge, Engn Dept, Trumpington St, Cambridge CB2 1PZ, England

来源：

POLYMER | 2018年 / 148卷

基金：

英国工程与自然科学研究理事会;

关键词：

Polymethyl methacrylate (PMMA); Uniaxial tension; Deformation and failure maps; GLASSY-POLYMERS; CONSTITUTIVE MODEL; AMORPHOUS POLYMERS; POLY(METHYL METHACRYLATE); RUBBER ELASTICITY; STRAIN-RATE; BEHAVIOR; TEMPERATURE; DYNAMICS; POLYCARBONATE;

D O I：

10.1016/j.polymer.2018.06.027

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Uniaxial tensile tests are performed on a polymethyl methacrylate (PMMA) grade over a range of temperatures near the glass transition and over two decades of strain rate. Deformation maps are constructed for Young's modulus, flow strength, and failure strain as a function of temperature for selected strain rates. The glassy, glass transition and rubbery regimes are identified, and constitutive relations are calibrated for the modulus and flow strength within each regime. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：259 / 268

页数：10

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