Microstructures and Mechanical Properties of TiCP/Al-4.5Cu-0.8Mg Composites by Direct Reaction Synthesis

J Mater Sci Technol ›› 2003, Vol. 19 ›› Issue (05): 447-449.

• Research Articles • Previous Articles Next Articles

Microstructures and Mechanical Properties of TiCP/Al-4.5Cu-0.8Mg Composites by Direct Reaction Synthesis

Mingzhen MA, Dayong CAI, Tianhua WEI

Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China;College of Material Science and Engineering, Yanshan University, Qinhuangdao 066004, China

Received:1900-01-01 Revised:1900-01-01 Online:2003-09-28 Published:2009-10-10
Contact: Mingzhen MA

Abstract

Abstract: Direct reaction synthesis (DRS), based on the principle of self-propagating high-temperature synthesis (SHS), is a new method for preparing particulate metal matrix composites. TiCP/Al-4.5Cu-0.8Mg composites were fabricated by DRS. Particulate composites were fabricated with Ti carbide (TiC) particles, generally less than 1.0µm. The reacted, thermal extruded samples exhibit a homogeneous distribution of fine TiC particles in Al-4.5Cu-0.8Mg matrix. Mechanical property evaluation of the composites has revealed a very high tensile strength relative to the matrix alloy. Fractographic analysis indicates ductile failure.

Key words: TiCP/Al-4.5Cu-0.8Mg composites, Microstructure, Mechanical property, TiC particle

Mingzhen MA, Dayong CAI, Tianhua WEI. Microstructures and Mechanical Properties of TiCP/Al-4.5Cu-0.8Mg Composites by Direct Reaction Synthesis[J]. J Mater Sci Technol, 2003, 19(05): 447-449.

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Microstructures and Mechanical Properties of TiCP/Al-4.5Cu-0.8Mg Composites by Direct Reaction Synthesis

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