I n  S itu   T i C  Ceramic Particles Locally Reinforced  A l‐ S i Matrix Composites Prepared by SHS‐Casting Method from the  A l‐ S i‐ T i‐ C  System | Zendy

Zhang Mengxian | Zendy; Huo Yanqiu | Zendy; Ma Li | Zendy; Huang Bin | Zendy; Hu Qiaodan | Zendy

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I n S itu T i C Ceramic Particles Locally Reinforced A l‐ S i Matrix Composites Prepared by SHS‐Casting Method from the A l‐ S i‐ T i‐ C System

Author(s) -

Zhang Mengxian,

Huo Yanqiu,

Ma Li,

Huang Bin,

Hu Qiaodan

Publication year - 2013

Publication title -

international journal of applied ceramic technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.4

H-Index - 57

eISSN - 1744-7402

pISSN - 1546-542X

DOI - 10.1111/ijac.12097

Subject(s) - materials science , composite material , ceramic , casting , matrix (chemical analysis) , dissolution , precipitation , ceramic matrix composite , chemical engineering , physics , meteorology , engineering

Using A l‐ S i‐ T i‐ C powder mixtures, T i C grains locally reinforced A l‐ S i matrix composites were produced through self‐propagating high‐temperature synthesis and casting method. The formation of T i C could be ascribed to the dissolution–reaction–precipitation mechanism. The T i C grains were uniformly distributed in the locally reinforced regions of the A l‐ S i matrix. With increasing A l‐ S i content, the size of T i C grains decreased. No pores and cracks were present at the interface between the A l‐ S i matrix and the reinforced regions. Wear resistance of the locally reinforced regions is significantly improved compared with that of the A l‐ S i matrix.

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