Quasi-static and dynamic tensile properties of fiberglass/epoxy laminate sheet

被引：31
作者：
Chen, Wensu [1 ]
Meng, Qingfei [1 ]
Hao, Hong [1 ]
Cui, Jian [2 ]
Shi, Yanchao [2 ]
机构：
[1] Curtin Univ, Tianjin Univ & Curtin Univ Joint Res Ctr Struct M, Sch Civil & Mech Engn, Bentley, WA, Australia
[2] Tianjin Univ, Tianjin Univ & Curtin Univ Joint Res Ctr Struct M, Sch Civil Engn, Tianjin, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 143卷
基金：
澳大利亚研究理事会;
关键词：
Fiberglass/epoxy; Dynamic material properties; Strain rate effect; FIBER-REINFORCED COMPOSITES; DIFFERENT STRAIN RATES; GLASS/EPOXY COMPOSITES; MECHANICAL-PROPERTIES; RATE RESPONSE; GLASS; BEHAVIOR; IMPACT; TEMPERATURES; STRENGTH;
D O I：
10.1016/j.conbuildmat.2017.03.074
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Fiberglass/epoxy laminate or structures strengthened by fiberglass/epoxy laminate might be subjected to dynamic loadings such as impact and blast. Understanding the dynamic material properties of the fiberglass/epoxy laminate is important to predict the behavior of fiberglass/epoxy laminate or its strengthened structure against dynamic loading. In this study, unidirectional quasi-static and dynamic tensile tests on fiberglass/epoxy laminate were carried out to investigate its dynamic material properties. The strain rate for quasi-static and low velocity test varied from 2.08E-05 to 1.04E-01 s(-1). The high speed dynamic tests were conducted by INSTRON (R) VHS 160/100-20 machine at the strain rate from 2.75 to 115 s(-1). The strain rate effects on the tensile strength, failure strain and Young's Modulus of fiberglass/epoxy laminate were investigated. Based on the testing data, empirical formulae were derived to predict the dynamic enhancement of tensile material properties of fiberglass/epoxy laminate as a function of strain rates, which can be used to model the dynamic material properties in the numerical simulation of structural responses. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：247 / 258
页数：12
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