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http://dx.doi.org/10.7234/composres.2017.30.5.310

Mechanical Properties and Wear Performance of the Al7075 Composites Reinforced with Bimodal Sized SiC Particles  

Lee, Donghyun (Composites Research Division, Korea Institute of Materials Science)
Cho, Seungchan (Composites Research Division, Korea Institute of Materials Science)
Kim, Yangdo (School of Materials Science and Engineering, Pusan National University)
Lee, Sang-Kwan (Composites Research Division, Korea Institute of Materials Science)
Lee, Sang-Bok (Composites Research Division, Korea Institute of Materials Science)
Jo, Ilguk (Composites Research Division, Korea Institute of Materials Science)
Publication Information
Composites Research / v.30, no.5, 2017 , pp. 310-315 More about this Journal
Abstract
In this study, we have investigated microstructure, mechanical properties and wear characteristic of aluminum metal matrix composites with a high volume fraction and uniformly dispersed SiC particles which produced by a liquid pressing process. The volume fraction of bimodal SiC/Al7075 composite was 12% higher than that of the monomodal SiC/Al7075 composite and a compressive strength is increased about 200 MPa. As a result of the abrasion test, the wear width and depth of the bimodal SiC/Al7075 composite were $285.1{\mu}m$ and $0.45{\mu}m$, respectively. The coefficient of friction of bimodal SiC/Al7075 was 0.16.
Keywords
Metal matrix composite; Bimodal particle; High volume fraction; Liquid pressing process;
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