Electrochemical corrosion and tribological evaluation of TiAl alloy for marine application
By Cheng, Jun; Li, Fei; Zhu, Shengyu; Yu, Yuan; Qiao, Zhuhui; Yang, Jun
Published in Tribology International
NULL
2017
Abstract
Abstract In order to evaluate the potential of the new light-weight structural TiAl alloy for marine application, the electrochemical corrosion and tribological behavior of TiAl alloy in a sea water environment have been investigated in this paper. A commercial Al 5083 marine product was selected as the control tests. The counterface materials include SiC, {GCr15} steel and Hastelloy {C276} alloy. TiAl alloy exhibits excellent corrosion resistance over Al 5083 alloy in sea water. The wear behavior of the two materials in sea water is sensitive to counterface materials. With {GCr15} steel and {C276} alloy as the mating surfaces, the wear resistance of TiAl alloy is significantly superior to that of Al 5083 alloy in sea water.
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