Metallurgical and Materials Transactions A

, Volume 31, Issue 11, pp 2773–2783 | Cite as

Experimental studies on tribological properties of pseudoelastic TiNi alloy with comparison to stainless steel 304

  • Rong Liu
  • D. Y. Li
Article

Abstract

Tribological and mechanical properties of pseudoelastic Ti-51 at. pct Ni alloy were investigated. Particular attention was paid to effects of the pseudoelasticity on wear and friction of the alloy, with comparison to a conventional material—304 stainless steel. Wear and friction tests were performed on a pin-on-disc tribometer under lubricated-sliding and dry-sliding conditions, respectively. Localized wear behavior of the materials and their mechanical properties were also investigated using a triboscope—a combination of a nanomechanical probe and an atomic force microscope. It was demonstrated that the pseudoelasticity of the TiNi alloy was significantly beneficial to its tribological properties. It was observed that the wear resistance of TiNi alloy was two orders of magnitude higher than that of the stainless steel when the alloy behaved pseudoelastically, while this difference in wear resistance decreased to one order of magnitude when the pseudoelasticity deteriorated. It was also demonstrated that the pseudoelasticity strongly influenced the frictional behavior of the alloy.

Keywords

Martensite Friction Coefficient Material Transaction Wear Resistance Martensitic Transformation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© The Minerals, Metals & Materials Society - ASM International - The Materials Information Society 2000

Authors and Affiliations

  • Rong Liu
    • 1
  • D. Y. Li
    • 1
  1. 1.the Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonCanada

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