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Anelastic to Plastic Transition in Metallic Glass-Forming Liquids

Harmon, John S. and Demetriou, Marios D. and Johnson, William L. and Samwer, Konrad (2007) Anelastic to Plastic Transition in Metallic Glass-Forming Liquids. Physical Review Letters, 99 (13). Art. No. 135502. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:HARprl07

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Abstract

The configurational properties associated with the transition from anelasticity to plasticity in a transiently deforming metallic glass-forming liquid are studied. The data reveal that the underlying transition kinetics for flow can be separated into reversible and irreversible configurational hopping across the liquid energy landscape, identified with beta and alpha relaxation processes, respectively. A critical stress characterizing the transition is recognized as an effective Eshelby “backstress,” revealing a link between the apparent anelasticity and the “confinement stress” of the elastic matrix surrounding the plastic core of a shear transformation zone.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevLett.99.135502DOIUNSPECIFIED
Additional Information:©2007 The American Physical Society. (Received 8 June 2007; published 28 September 2007) This work was supported in part by the MRSEC Program of the National Science Foundation under Grant No. DMR-0520565 and in part by the Leibniz Program under Grant No. SFB602. The authors are grateful to G. Ravichandran for providing the loading apparatus.
Issue or Number:13
Record Number:CaltechAUTHORS:HARprl07
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:HARprl07
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8928
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:01 Oct 2007
Last Modified:02 Oct 2019 23:55

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