Journal of Thermal Spray Technology

, Volume 15, Issue 4, pp 507–512 | Cite as

Effect of cold spray deposition of a titanium coating on fatigue behavior of a titanium alloy

Reviewed Papers


The deposition of titanium on a titanium alloy substrate is being examined for potential use as a surface treatment for medical prostheses. A Ti6Al4V alloy was coated with pure titanium by cold gas dynamic spraying. Coatings were deposited onto samples with two different surface preparation methods (as-received and grit-blasted). The fatigue life of the as-received and grit-blasted materials, both before and after coating, was measured with a rotating-bend fatigue rig. A 15% reduction in fatigue endurance limit was observed after application of the coating to the as-received substrate, but no significant reduction was observed on its application to the grit-blasted substrate. The reduction in fatigue endurance limit has been related to the substrate-coating interface properties, the elastic modulus, and the residual stress states.


CGDS fatigue residual stress titanium Ti6Al4V Young’s modulus 


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Copyright information

© ASM International 2006

Authors and Affiliations

  • T. S. Price
    • 1
  • P. H. Shipway
    • 1
  • D. G. McCartney
    • 1
  1. 1.University of NottinghamNottinghamUK

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