Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
823631 | Comptes Rendus Mécanique | 2014 | 4 Pages |
Abstract
One of the most widely used approaches to model metallic-glasses high-temperature homogeneous deformation is the free-volume theory, developed by Cohen and Turnbull and extended by Spaepen. A simple elastoviscoplastic formulation has been proposed that allows one to determine various parameters of such a model. This approach is applied here to the results obtained by de Hey et al. on a Pd-based metallic glass. In their study, de Hey et al. were able to determine some of the parameters used in the elastoviscoplastic formulation through DSC modeling coupled with mechanical tests, and the consistency of the two viewpoints was assessed.
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Authors
Marc Blétry, Minh Thanh Thai, Yannick Champion, Loïc Perrière, Patrick Ochin,