Wear characteristics of titanium alloy Ti54 for cryogenic sliding applications

N. S. M. El-Tayeb, Tze Chuen Yap, P. V. Brevern

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


Cryogenic wear behaviour of Ti5Al4V0.6Mo0.4Fe (Ti54) alloy sliding against tungsten carbide is investigated at different speeds, loads and distances. Empirical models based RSM are developed to predict wear characteristics of Ti54 alloy as a function of sliding conditions. It is found that experimental and predicted results are in good agreement. Besides, cryogenic wear is substantially lower than dry wear. SEM and EDS analyses of worn surfaces and wear debris reveal that cryogenic sliding is significantly influenced by changing material properties along with boundary lubrication performance. The study has shown that modes in dry sliding are adhesion and delamination whereas in cryogenic sliding they are abrasion and delamination.

Original languageEnglish
Pages (from-to)2345-2354
Number of pages10
JournalTribology International
Issue number12
Publication statusPublished - Dec 2010


  • Cryo-Tribology
  • Electron scanning microscopy
  • Titanium alloy
  • Wear modeling

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces


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