Journal
APPLIED SURFACE SCIENCE
Volume 286, Issue -, Pages 412-416Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2013.09.105
Keywords
Ti-6Al-4V alloy; Surface nanocrystallization; Gas nitriding
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Funding
- Science and Technology Planning Project of Shaanxi Province [2009K06-22]
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Supersonic Fine Particle Bombarding (SFPB) was performed on Ti-6Al-4V alloy to form surface nanostructures. The effect of the surface nanostructures on the gas nitriding was investigated by varying the nitriding temperature and time. Through SFPB process, a nanocrystalline surface layer with a mean grain size of 16nm was obtained, presenting a high hardness of 640 HV. In comparison to the surface without SFPB treatment, the treated surface exhibited a thick nitrogen diffusion layer and high hardness under the same nitriding process. (C) 2013 Elsevier B.V. All rights reserved.
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