2009•Rejiagong gongyiRequires access

Microstructure and Properties of TiC/Fe Matrix Composite Synthesised by In-situ Reaction

Yunhua Xu

Abstract

Ti/Fe composites were put into the tube type resistance furnace with argon shield and heated at 1 138 ℃ for 2 h followed by furnace cooling.The microstructure of the Fe-TiC composite was studied by scanning electron microscopy(SEM) and XRD,microhardness and wear-resistancewere measured.The results indicate that Ti wires placed in iron matrix could react with C and formed TiC phase.The microhardness of the Fe-TiC composite is higher than the matrix.The wear-resistance of the Fe-TiC composite is better than the matrix.

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Key concepts: Microstructure, Materials science, Composite number, Scanning electron microscope, Indentation hardness, Wear resistance, Composite material, Matrix (chemical analysis)