Influence of the shot-peening intensity on the structure and near-surface mechanical properties of Ti40Zr10Cu38Pd12 bulk metallic glass

Gonzalez Sanchez, Sergio, Fornell, Jordina, Pellicer, Eva, Suriñach, Santiago, Baró, Maria, Greer, A. L., Belzunce, F. J. and Sort, Jordi (2013) Influence of the shot-peening intensity on the structure and near-surface mechanical properties of Ti40Zr10Cu38Pd12 bulk metallic glass. Applied Physics Letters, 103 (21). p. 211907. ISSN 0003 6951

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Official URL: http://dx.doi.org/10.1063/1.4833017

Abstract

Shot-peening (SP) changes the near-surface structure and mechanical properties of a Ti40Zr10 Cu 38Pd12 bulk metallic glass. Near the surface, the hardness, Young's modulus, and elastic strain limit are all reduced. Measurements of the heat of relaxation show that an exceptionally high stored energy of cold work can be induced, implying a large increase in free volume. At the highest SP intensity there is partial nanocrystallization enabled by the increased free volume and not by the increase in temperature.

Item Type: Article
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 05 Nov 2015 15:17
Last Modified: 25 Feb 2016 10:54
URI: http://nrl.northumbria.ac.uk/id/eprint/24331

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