Journal
TRIBOLOGY INTERNATIONAL
Volume 98, Issue -, Pages 41-47Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2016.01.046
Keywords
Aluminum matrix composites; AlB2 reinforcement; Powder metallurgy; Wear
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Aluminum matrix composites (AMCs) reinforced with in-situ AlB2 particles have been fabricated using a combination of powder metallurgy, hot rolling and solution treatment. The effects of boron content (7 and 12 wt%), hot rolling and heat treatment parameters on the microstructures and mechanical properties of the composites were investigated by means of scanning electron microscopy (SEM), tensile test and micro-hardness measurements. The friction coefficient, wear behavior and scratch morphology of the AMCs and pure aluminum were also studied using scratch tests. The hardness and wear properties are higher in a case of composites when compared to unreinforced matrix material. (C) 2016 Elsevier Ltd. All rights reserved.
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