Paper Title:
Friction and Wear Behaviour of Al2O3 Particulates Reinforced Al-Mn Alloy Matrix Composites
  Abstract

Al-2%Mn alloy matrix composites reinforced with Al2O3 particulates was fabricated by stir-casting, and the hardness and friction and wear behaviour of the composites were analyzed using Brinell hardness tester and ring-on-block tribometer under both dry and lubricated sliding in which the .SO4•Cl- Na•Ca• Mg corrosive alkalescent aqueous solution accompanied with SiO2 and Al2O3 grinding particles was used as lubricant. The wear mechanism and the effect of Al2O3 particulates on the friction and wear behaviour of the composites were discussed. The results showed that the friction coefficients of the samples under dry condition are generally lower than those under lubricated one. In comparison with the base aluminium and the Al-2%Mn alloy, the hardness of the composites increases~70%, the friction coefficients are lower in most cases especially at higher applied loads under lubricated condition, and the wear mass losses are much less at any applied loads whether under dry or lubricated condition. The composites possesses a good wear-resistance and antifriction due to its higher hardness.

  Info
Periodical
Advanced Materials Research (Volumes 150-151)
Edited by
Jinglong Bu, Zhengyi Jiang and Sihai Jiao
Pages
1000-1004
DOI
10.4028/www.scientific.net/AMR.150-151.1000
Citation
X. M. Li, B. Liu, W. L. Sun, X. Liu, "Friction and Wear Behaviour of Al2O3 Particulates Reinforced Al-Mn Alloy Matrix Composites", Advanced Materials Research, Vols. 150-151, pp. 1000-1004, 2011
Online since
October 2010
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$32.00
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