Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.scriptamat.2011.07.003
Title: The transition from homogeneous flow to fracture in metallic glasses at high-homologous temperatures
Authors: Thamburaja, P. 
Nikabdullah, N.
Keywords: Analytical methods
Fracture
Metallic glass
Shear bands
Issue Date: Nov-2011
Source: Thamburaja, P., Nikabdullah, N. (2011-11). The transition from homogeneous flow to fracture in metallic glasses at high-homologous temperatures. Scripta Materialia 65 (9) : 751-754. ScholarBank@NUS Repository. https://doi.org/10.1016/j.scriptamat.2011.07.003
Abstract: We derive a deformation map governing the transition from homogeneous flow to fracture response in metallic glasses under the influence of external conditions, i.e. applied deformation rates, test temperatures and sample sizes. This model is developed using simplified kinematics describing the shear-banding process, free-volume kinetics and also a phenomenologically based ductile-fracture criterion. The analytically obtained deformation map accurately reproduces an experimentally determined deformation map for a commercially available metallic glass system. © 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Source Title: Scripta Materialia
URI: http://scholarbank.nus.edu.sg/handle/10635/61532
ISSN: 13596462
DOI: 10.1016/j.scriptamat.2011.07.003
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