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research-article

Fabrication of Cu surface composite reinforced by Ni particles via friction stir processing: microstructure and tribology behaviors

[+] Author and Article Information
Mohsen Pezeshkian

Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
r.m.pezeshkian@gmail.com

Iman Ebrahimzadeh

Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
i.ebrahimzadeh@pmt.iaun.ac.ir

Farhad Gharavi

Department of Materials Engineering, Sirjan Branch, Islamic Azad University, Sirjan, Iran
fgharavi@iausirjan.ac.ir

1Corresponding author.

ASME doi:10.1115/1.4037069 History: Received November 30, 2016; Revised May 23, 2017

Abstract

In the present investigation, Friction stir processing (FSP) was used to integrate Ni particles into the surface of copper in order to fabricate a surface composite. Determining an optimized percentage of Ni particles, different dimensions of grooves were machined into the Cu plates. Optical microscope (OM) and scanning electron microscope (SEM) were used to evaluate the microstructure. Pin-on-disk test was performed using pins manufactured from the FSPed zone. Using FSP parameters, rotation and transverse speed of 800 rpm and 50 mm/min, respectively, the results show that the best properties is obtained using 2×2 mm groove on the copper plate. In this situation, hardness and wear properties were improved as 40% and 60% compared to the substrate, respectively.

Copyright (c) 2017 by ASME
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