Effect of shot peening on the fatigue life of a Zr-based bulk metallic glass

Raghavan, R and Ayer, R and Jin, HW and Marzinsky, CN and Ramamurty, U (2008) Effect of shot peening on the fatigue life of a Zr-based bulk metallic glass. In: Scripta Materialia, 59 (2). pp. 167-170.

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Abstract

The fatigue lives of a Zr-based bulk metallic glass (BMG) in the as-cast and shot-peened conditions were evaluated. Results suggest that shot peening does not cause significant enhancement of the fatigue performance of the BMG. Cracks were observed to nucleate in subsurface regions. This was attributed to the domination of the compressive residual stress field on the surface over deformation-induced plastic flow softening that otherwise leads to easy nucleation of shear bands which act like microcracks.

Item Type:	Journal Article
Publication:	Scripta Materialia
Publisher:	Elsevier Science
Additional Information:	Copyright of this article belongs to Elsevier Science.
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	21 Jul 2008
Last Modified:	19 Sep 2010 04:47
URI:	http://eprints.iisc.ac.in/id/eprint/15172

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