Characterization of hot pressed CuAl–TiC composites with different TiC grain sizes

In this study, the CuAl–TiC composite materials were produced using hot pressing process. Effect of TiC grain size (0.2, 4 and 20 μm) on some properties of these materials was investigated experimentally. Production of CuAl–TiC composites was carried out under pressure of 35 MPa, at 700°C, and for a...

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Bibliographic Details
Published in:Russian journal of non-ferrous metals 2016-07, Vol.57 (4), p.374-380
Main Authors: Islak, S., Çelik, E., Kir, D., Özorak, C.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Materials Science
Metallic Materials
Powder Metallurgy of Nonferrous Metals and Alloys
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Summary:In this study, the CuAl–TiC composite materials were produced using hot pressing process. Effect of TiC grain size (0.2, 4 and 20 μm) on some properties of these materials was investigated experimentally. Production of CuAl–TiC composites was carried out under pressure of 35 MPa, at 700°C, and for a sintering time of 5 minutes. SEM-MAP studies showed that the TiC grains were relatively homogeneously distributed in the CuAl matrix. Microstructure analysis revealed that the composite materials consist of Cu, Al, Cu 9 Al 4 , CuAl 2 and TiC phases. With the decreasing of TiC grain size, the hardness, transverse rupture strength, relative density and sintered density of composites increased.
ISSN:1067-8212
1934-970X
DOI:10.3103/S1067821216040040