Tribological behaviors of in situ TiB2 ceramic reinforced TiAl-based composites under sea water environment

Long Wang, Jun Cheng, Zhuhui Qiao, Jun Yang, Weimin Liu

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27 Scopus citations

Abstract

In this paper, the tribological behaviors of 20 and 40 vol% in situ TiB2 reinforced TiAl-based composites sliding against SiC balls were investigated in artificial sea water, and TiAl alloy was also studied as a comparison. The results showed that the TiAl-TiB2 composites are lubricated in artificial sea water and TiB2 is effective to improve the wear resistance of the TiAl alloy. Also, it was found that the tribological behaviors have a dependency on the applied loads and sliding speeds. Worn surface morphologies and composition together with electrochemical behaviors of the materials were evaluated and related to the tribological behaviors.

Original languageEnglish
Pages (from-to)4314-4323
Number of pages10
JournalCeramics International
Volume43
Issue number5
DOIs
StatePublished - 1 Apr 2017
Externally publishedYes

Keywords

  • B. Composites
  • C. Wear resistance
  • D. TiB

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