Influence of the Reinforcing Elements on the Wear Behavior of Al/(Sic+Graphite) Composites Elaborated by Spark Plasma Sintering Technology

Abstract:

The paper presents the experimental results regarding the influence of the reinforcing elements on the wear behavior of Al-matrix composites discontinuously reinforced by SiC and Graphite. This antifriction composite material is processed by Reactive Mechanically Alloyed and then by Spark Plasma Sintering technology. In order to optimize the processing technology, especially the sintering parameters, the Spark Plasma Sintering process was applied because of its advantageous aspects: lower sintering temperatures, shorter sintering time and higher properties values of the sintered material vs. the corresponding ones obtained by the classical sintering route. The authors realized a comparative analysis on the wear behavior of the researched composite materials.

• Periodical: Materials Science Forum (Volume 672)
• Pages: 241-244
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.672.241
• Online since: January 2011
• Authors: Gabriela Sima, Mihail Mangra, Oana Gîngu, Marius Catalin Criveanu, Bebe Adrian Olei
• Keywords: Antifriction Metal Matrix Composite, Friction Coefficient (FC), Mechanical Alloying (MA), Powder Metallurgy (PM), Spark Plasma Sintering (SPS), Wear Behaviour

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DOI: 10.1016/s0043-1648(00)00553-6