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Influence of applied load on abrasive wear depth of hybrid Gr/SiC/Al-Mg-Si composites in two body condition

[+] Author and Article Information
N. Ch. Kaushik

Department of Mechanical Engineering, National Institute of Technology-Warangal, India-506004
kaushiknch1234@gmail.com

R. N. Rao

Department of Mechanical Engineering, National Institute of Technology-Warangal, India-506004
rnraonitw@gmail.com

1Corresponding author.

ASME doi:10.1115/1.4035779 History: Received November 09, 2016; Revised January 04, 2017

Abstract

The influence of load applied on wear depth of stir cast hybrid Gr/SiC/Al 6082 composites in two body abrasion was investigated in as cast (AC) and T6 heat treated condition (T6). The obtained results were compared with its unreinforced alloy and SiC/Al 6082 composites. The parameters of applied load (5N-15N), grit size (100µm & 200µm) and sliding distance of 75m was used in this study. At 200 µm grit size, the wear depth of hybrid composites w.r.t unreinforced matrix alloy was reduced by 38.1% (at 5N load) and 16.2% (at 15N load) in AC condition; 25.1% (at 5N load) and 27% (at 15N load) in T6 condition. The wear mechanisms were demonstrated through analysis of wear surfaces.

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