Effect of Surface Mechanical Attrition Treatment (SMAT) on the Tensile Performance of Fibre Reinforced Aluminium Laminates

WAN Yun; WANG Zhen-qing; ZHOU Li-min; ZHANG Ji-feng

doi:10.3879/j.issn.1000-0887.2014.10.005

Volume 35 Issue 10

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WAN Yun, WANG Zhen-qing, ZHOU Li-min, ZHANG Ji-feng. Effect of Surface Mechanical Attrition Treatment (SMAT) on the Tensile Performance of Fibre Reinforced Aluminium Laminates[J]. Applied Mathematics and Mechanics, 2014, 35(10): 1107-1114. doi: 10.3879/j.issn.1000-0887.2014.10.005

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Effect of Surface Mechanical Attrition Treatment (SMAT) on the Tensile Performance of Fibre Reinforced Aluminium Laminates

doi: 10.3879/j.issn.1000-0887.2014.10.005

¹College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, P.R.China;²Department of Mechanical Engineering, Hong Kong Polytechnic University, Hong Kong, P.R.China

Funds: The National Natural Science Foundation of China(11272096)

Received Date: 2014-04-08
Rev Recd Date: 2014-08-20
Publish Date: 2014-10-15

Abstract

Abstract

The surface mechanical attrition treatment (SMAT), as a technology that the metal sample surface is hit in random directions by a large amount of tiny hard balls in high frequency vibration within a short period of time, was applied to aluminium laminates. Then, the metal’s grain sizes, especially those near the surface, got smaller; and therefor the metal’s yield strength got enhanced. After the SMAT process, the aluminium laminates’ultimate stress and ultimate strain decreased a little, while the yield stress increased obviously. The glass fibre reinforced aluminium laminates were fabricated through heat pressing process with SMATed aluminium and glass fibre epoxy prepreg. From the tensile tests and theoretical calculation, the results show that the SMATed aluminium effectively improves the yield strength of the aluminiumbased composite.
- surface mechanical attrition treatment(SMAT),
- GLARE,
- metal volume fraction theory,
- tensile test

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References(19)

References

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