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INTERNATIONAL JOURNAL OF ENGINEERING DEVELOPMENT AND RESEARCH
(International Peer Reviewed,Refereed, Indexed, Citation Open Access Journal)
ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Technique to Differentiate Between Surface Nanostructuring and Hardening
Authors
  Pramod Kumar,  Mohd. Anas

Abstract
The surface nanostructuring along with hardening is a novel process that has been developed to enhance fatigue and wear resistances. The surface nanostructuring and hardening is similar to widely used shot peening in the sense that both processes comprises of repeated impacts of the work-piece surface with spheres. The difference between them lies in the sizes of spheres and the impact velocities used. Such a difference results in dramatic changes in kinetic energies and thus the thicknesses of the work-hardened layer and the nano-grained layer. By a finite element modelling technique a quantitative description of these differences can be seen. The results show that the kinetic energy in the SNH process is typically 180 times larger than that in shot peening, and the deformation layer in the SNH process is about 10 times thicker than that generated in shot peening. Furthermore, the maximum plastic strain and the maximum residual compressive stresses in the SNH-processed work-piece are 100 and 10 times larger than those in the shot-peened work-piece, respectively.

Keywords- surface nanostructuring, hardening, compressive stresses etc.
Publication Details
Unique Identification Number - IJEDR1503039
Page Number(s) -
Pubished in - Volume 3 | Issue 3 | July 2015
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Pramod Kumar,  Mohd. Anas,   "Technique to Differentiate Between Surface Nanostructuring and Hardening", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.3, Issue 3, pp., July 2015, Available at :http://www.ijedr.org/papers/IJEDR1503039.pdf
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