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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 12    No. 3    June 2002

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Dry sliding friction and wear behaviors of 
TiCp/ZA-12 composites
WANG Xiang(王  香)1, ZENG Song-yan(曾松岩)1,
SONG Run-bin(宋润滨)2, ZHANG Er-lin(张二林)1

1. School of Materials Science and Engineering,
Harbin Institute of Technology, Harbin 150001, China;
2. School of Materials Science and Engineering,
Harbin University of Science and Technology, Harbin 150080, China

Abstract:The TiC particle reinforced ZA-12 matrix composites was fabricated by XDTM process combined with stirring casting and its friction and wear properties under dry conditions were investigated using MM-200 wear testing apparatus. The effects of TiC particle content and applied load on the wear resistance proper ties of the composites were studied. The results show that the friction and wear properties can be greatly improved with an increase in the TiC particle content . The wear mass loss of the composites and the unreinforced ZA-12 matrix alloy increase with increasing applied load, but the increased extent of the former is smaller than that of the latter. Finally the morphologies of worn surf ace was analyzed using scanning electron microscope(SEM).

 

Key words: ZA-12 alloy; TiCp/ZA-12 composites; friction and wear properties

ISSN 1672-7029
CN 43-1423/U

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