Effect of fibre volume fraction on fatigue behaviour of glass fibre reinforced composite

被引：23

作者：

Mini, K. M. ^{[1
]}

Lakshmanan, M. ^{[2
]}

Mathew, L. ^{[2
]}

Mukundan, M. ^{[2
]}

机构：

[1] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Dept Civil Engn, Coimbatore, Tamil Nadu, India

[2] Amrita Vishwa Vidyapeetham, Amrita Sch Engn, Dept Mech Engn, Coimbatore, Tamil Nadu, India

来源：

FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 2012年 / 35卷 / 12期

关键词：

fatigue; glass fibres; mechanical properties; mechanical testing; DAMAGE; DEGRADATION; STIFFNESS; MODEL;

D O I：

10.1111/j.1460-2695.2012.01709.x

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The aim of this paper is to study the fatigue behavior of GFRP composites manufactured by vacuum bagging process by varying the volume fraction. Constant-amplitude flexural fatigue tests were performed at zero mean stress, i.e. a cyclic stress ratio R=-1 by varying the frequency of the testing machine. The relationship between stiffness degradation rate and fibre volume fraction, was observed, and the influence of volume fraction on the tensile strength was also investigated. The results show that, as the volume fraction increases the stiffness degradation rate initially decreases and then increases after reaching a certain limit for the volume fraction. Graph between volume fraction and Young's modulus shows that as the volume fraction increases Young's modulus also increases and reaches a limit and then it decreases with further increase in volume fraction, due to the increase in fibre content which changes the material properties of the composite material. The obtained results are in agreement with the available results.

引用

页码：1160 / 1166

页数：7

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