Journal
COMPOSITES PART B-ENGINEERING
Volume 69, Issue -, Pages 603-611Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2014.07.008
Keywords
Metal-matrix composites (MMCs); Microstructures; Wear; Powder processing
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Micro-structural characterization of the composites has revealed fairly uniform distribution and some amount of grain refinement in the specimens. Further, it was observed that the micro-hardness improve when increasing the milling time and the reinforcement content due to presence of hard Al2O3 particles. Was also observed a low wear rate exhibited by the Al/Al2O3/Gr hybrid composites due to presence of Al2O3 and Gr which they acted as load bearing elements and solid lubricant respectively. The observed wear rate and micro-hardness have been correlated with microstructural analyses. (C) 2014 Elsevier Ltd. All rights reserved.
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