Statistical analysis of the tensile strength of GFRP, CFRP and hybrid composites

被引：62

作者：

Naresh, K. ^{[1
]}

Shankar, K. ^{[1
]}

Velmurugan, R. ^{[2
]}

Gupta, N. K. ^{[3
]}

机构：

[1] Indian Inst Technol, Dept Mech Engn, Madras 600036, Tamil Nadu, India

[2] Indian Inst Technol, Dept Aerosp Engn, Madras 600036, Tamil Nadu, India

[3] Indian Inst Technol Delhi, Dept Appl Mech, New Delhi 110016, India

来源：

THIN-WALLED STRUCTURES | 2018年 / 126卷

关键词：

Fiber reinforced polymers (FRP's); Tensile strength; Drop mass setup; High strain rate; Weibull distribution; Fractography; STRAIN-RATE; WEIBULL DISTRIBUTION; FIBER; PLATES; BEHAVIOR; BAMBOO; DAMAGE;

D O I：

10.1016/j.tws.2016.12.021

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Glass/epoxy, carbon/epoxy and hybrid (glass-carbon/epoxy) composites are subjected to quasi-static to high strain rate (542 s(-1)) studies to obtain the tensile strength. The two-parameter Weibull distribution is employed to measure the variability of the tensile strength of cross ply laminates. The Weibull parameters are obtained using the linear curve fit method. The theoretical tensile strength values are determined for the GFRP, CFRP and hybrid composites. The experimental and theoretical strength values are in good agreement. Using Hitachi scanning electron microscope instrument, the failure mechanisms are investigated in the fracture surfaces of glass/epoxy, carbon/epoxy and hybrid specimens, and discussed.

引用

页码：150 / 161

页数：12

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