Microstructure of Graphite and Cu-Ti-C Composites Fabricated by Mechanical Alloying and Spark Plasma Sintering

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Cu-based materials reinforced by titanium carbide used in the field of brake or conducting friction were fabricated by mechanical alloying (MA) and spark plasma sintering (SPS). X-ray diffraction results indicate that the composites consist of copper matrix, Cu3Ti2, titanium carbide and graphite. Transmission electron microscope (TEM) image shows that a smooth interface exists between the titanium carbide particles and copper matrix. Moreover, the laminate structure of graphite (800°C) transfers to not consistent with the laminate structure at high temperature (1000°C).

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121-124

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April 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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