Harmon, John S. and Demetriou, Marios D. and Johnson, William L. and Tao, Min (2007) Deformation of glass forming metallic liquids: Configurational changes and their relation to elastic softening. Applied Physics Letters, 90 (13). Art. No. 131912. ISSN 0003-6951. https://resolver.caltech.edu/CaltechAUTHORS:HARapl07a
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Abstract
The change in the configurational enthalpy of metallic glass forming liquids induced by mechanical deformation and its effect on elastic softening is assessed. The acoustically measured shear modulus is found to decrease with increasing configurational enthalpy by a dependence similar to one obtained by softening via thermal annealing. This establishes that elastic softening is governed by a unique functional relationship between shear modulus and configurational enthalpy.
| Item Type: | Article | ||||||
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| Additional Information: | ©2007 American Institute of Physics. (Received 18 September 2006; accepted 21 February 2007; published online 30 March 2007) The authors would like to thank G. Ravichandran for providing the Instron apparatus, M. L. Lind for providing the pulse-echo overlap setup, and K. Samwer for valuable discussions. This work was supported in part by the MRSEC Program of the National Science Foundation under award No. DMR0520565. | ||||||
| Errata: | Erratum: “Deformation of glass forming metallic liquids: Configurational changes and their relation to elastic softening” [Appl. Phys. Lett. 90, 131912 (2007)] John S. Harmon et al. Appl. Phys. Lett. 91, 029902 (2007) | ||||||
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| Subject Keywords: | platinum alloys; palladium alloys; nickel alloys; copper alloys; phosphorus alloys; liquid alloys; metallic glasses; elastic deformation; softening; shear modulus; enthalpy | ||||||
| Issue or Number: | 13 | ||||||
| Record Number: | CaltechAUTHORS:HARapl07a | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:HARapl07a | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 8440 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 13 Aug 2007 | ||||||
| Last Modified: | 02 Oct 2019 23:51 |
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