Fatigue Behaviour of SiC Particulate-Reinforced A359 Aluminium Matrix Composites

被引：23

作者：

Myriounis, D. P. ^{[1
]}

Matikas, T. E. ^{[2
]}

Hasan, S. T. ^{[1
]}

机构：

[1] Sheffield Hallam Univ, Mat & Engn Res Inst, Sheffield S1 1WB, S Yorkshire, England

[2] Univ Ioannina, Mat Behav & Qual Control Lab, Dept Mat Sci & Engn, GR-45110 Ioannina, Greece

来源：

STRAIN | 2012年 / 48卷 / 04期

关键词：

fatigue; heat treatment; interface; metal matrix composites; thermography; LOCK-IN THERMOGRAPHY; FRACTURE-TOUGHNESS; CRACK-GROWTH; MICROSTRUCTURE; THERMOELASTICITY; DEFORMATION; DAMAGE; SIZE;

D O I：

10.1111/j.1475-1305.2011.00827.x

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this work, we describe the fatigue behaviour of silicon carbide (SiCP)-reinforced A359 aluminium alloy matrix composite considering its microstructure and thermo-mechanical properties. A variety of heat treatments have been performed for the 20 vol. % SiCp composite, which resulted in different strength and elongation behaviour of the material. The fatigue behaviour was monitored, and the corresponding SN curves were experimentally derived for all heat treatments. The fatigue strength was found to depend strongly on the heat treatment. In addition, the fatigue behaviour was monitored non-destructively via the use of lock-in thermography. The heat wave, generated by the thermo-mechanical coupling and the intrinsic dissipated energy during mechanical loading of the sample, is detected by a thermal camera.

引用

页码：333 / 341

页数：9

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