Wear behavior of Al 5252 alloy reinforced with micrometric and nanometric SiC particles

被引：115

作者：

Moazami-Goudarzi, Mohammad ^{[1
]}

Akhlaghi, Farshad ^{[2
]}

机构：

[1] Islamic Azad Univ, Sci & Res Branch, Dept Mat Engn, Tehran, Iran

[2] Univ Tehran, Sch Met & Mat Engn, Coll Engn, POB 11155-4563, Tehran, Iran

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 102卷

关键词：

Aluminum based nano-composites; Dry sliding wear; Worn surface analysis; Wear debris; ALUMINUM-MATRIX COMPOSITES; DRY SLIDING WEAR; POWDER-METALLURGY METHOD; PARTICULATE REINFORCEMENT; MECHANICAL-PROPERTIES; MICROSTRUCTURE; NANOPARTICLES; RESISTANCE; FRICTION; SIZE;

D O I：

10.1016/j.triboint.2016.05.013

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The dry sliding wear behavior of Al 5252 alloy and its composites reinforced with nanometric or micrometric SiC particles is studied. The wear tests were conducted on hot extruded samples using a pin on the disc configuration under normal stresses: 03, 0.6 and 6.9 MPa at a sliding speed of 0.5 m/s and distance of 1000 m. The dominant wear mechanisms were determined using microstructural characterization, hardness measurement, EDS analysis as well as microscopic studies of wear surfaces and debris. The composite reinforced with micrometric SiC particles showed the lowest wear rate at the applied stresses of 0.3 and 0.6 MPa, while the nano-composites exhibited the best wear resistance at the normal Stress of 0.9 MPa. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：28 / 37

页数：10

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