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Shear-band arrest and stress overshoots during inhomogeneous flow in a metallic glass

Maaß, R. and Klaumünzer, D. and Villard, G. and Derlet, P. M. and Löffler, F. (2012) Shear-band arrest and stress overshoots during inhomogeneous flow in a metallic glass. Applied Physics Letters, 100 (7). Art. No. 071904. ISSN 0003-6951. https://resolver.caltech.edu/CaltechAUTHORS:20120403-110045719

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Abstract

At the transition from a static to a dynamic deformation regime of a shear band in bulk metallic glasses, stress transients in terms of overshoots are observed. We interpret this phenomenon with a repeated shear-melting transition and are able to access a characteristic time for a liquidlike to solidlike transition in the shear band as a function of temperature, enabling us to understand why shear bands arrest during inhomogenous serrated flow in bulk metallic glasses.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.3684871 DOIUNSPECIFIED
http://apl.aip.org/resource/1/applab/v100/i7/p071904_s1PublisherUNSPECIFIED
Additional Information:© 2012 American Institute of Physics. Received 16 December 2011; accepted 26 January 2012; published online 13 February 2012. Support by the Swiss National Science Foundation SNF No. 200020-120258 is gratefully acknowledged. R.M. thanks W. L. Johnson for fruitful discussions, as well as the Alexander von Humboldt foundation for financial support during his stay at Caltech.
Funders:
Funding AgencyGrant Number
Swiss National Science Foundation (SNSF)200020-120258
Alexander von Humboldt FoundationUNSPECIFIED
Subject Keywords:aluminium alloys, copper alloys, liquid metals, melting, metallic glasses, nickel alloys, shear deformation, shear flow, titanium alloys, zirconium alloys
Issue or Number:7
Classification Code:PACS: 62.10.+s; 64.70.dj; 64.70.pe; 61.25.Mv; 47.15.St
Record Number:CaltechAUTHORS:20120403-110045719
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20120403-110045719
Official Citation:Shear-band arrest and stress overshoots during inhomogeneous flow in a metallic glass R. Maaß, D. Klaumünzer, G. Villard, P. M. Derlet, and J. F. Löffler Appl. Phys. Lett. 100, 071904 (2012); http://dx.doi.org/10.1063/1.3684871 (4 pages) Online Publication Date: 13 February 2012
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29956
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:03 Apr 2012 18:26
Last Modified:03 Oct 2019 03:46

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