Title: Ultrasonic shot peening

Authors: Milan Rakita; Meng Wang; Qingyou Han; Yanxiong Liu; Fei Yin

Addresses: Mechanical Engineering Technology, Purdue University, West Lafayette, IN 47907-2021, USA ' Mechanical Engineering Technology, Purdue University, West Lafayette, IN 47907-2021, USA ' Mechanical Engineering Technology, Purdue University, West Lafayette, IN 47907-2021, USA ' Hubei Key Laboratory of Advanced Technology of Automotive Parts, Wuhan University of Technology, Wuhan, 430073, Hubei, China ' Hubei Key Laboratory of Advanced Technology of Automotive Parts, Wuhan University of Technology, Wuhan, 430073, Hubei, China

Abstract: This paper gives a brief overview of published results pertinent to ultrasonic shot peening, a relatively new method to introduce severe plastic deformations in the surface of materials and obtain nanosized grains. Among reported benefits are increased surface hardness and fatigue resistance, and possibility to perform nitriding at lower temperatures and in shorter times. Being a new technology, there is a lack in available literature on ultrasonic shot peening. For that reason, some of the results published for conventional shot peening are also presented. We believe, however, that the results selected here are transferrable to ultrasonic shot peening, or at least can serve as a reference point for this process.

Keywords: ultrasonic shot peening; USP; surface hardening; nanosized grains; nitriding; carburising; plastic deformation; nanotechnology; fatigue resistance.

DOI: 10.1504/IJCMSSE.2013.056948

International Journal of Computational Materials Science and Surface Engineering, 2013 Vol.5 No.3, pp.189 - 209

Received: 07 Mar 2013
Accepted: 21 Mar 2013
Published online: 21 Jun 2014 *

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