Mukherjee, S. and Schroers, J. and Johnson, W. L. and Rhim, W. K. (2005) Influence of Kinetic and Thermodynamic Factors on the Glass-Forming Ability of Zirconium-Based Bulk Amorphous Alloys. Physical Review Letters, 94 (24). Art. no. 245501. ISSN 0031-9007. doi:10.1103/PhysRevLett.94.245501. https://resolver.caltech.edu/CaltechAUTHORS:MUKprl05
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Abstract
The time-temperature-transformation curves for three zirconium-based bulk amorphous alloys are measured to identify the primary factors influencing their glass-forming ability. The melt viscosity is found to have the most pronounced influence on the glass-forming ability compared to other thermodynamic factors. Surprisingly, it is found that the better glass former has a lower crystal-melt interfacial tension. This contradictory finding is explained by the icosahedral short-range order of the undercooled liquid, which on one hand reduces the interfacial tension, while on the other hand increases its viscosity.
Item Type: | Article | ||||||
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Additional Information: | ©2005 The American Physical Society (Received 11 August 2004; published 21 June 2005) This work was carried out at California Institute of Technology under a contract with the National Aeronautical and Space Administration (Grant No. NNMO4AA21G). | ||||||
Subject Keywords: | amorphous state; zirconium alloys; viscosity; surface tension; short-range order; undercooling; glass transition | ||||||
Issue or Number: | 24 | ||||||
DOI: | 10.1103/PhysRevLett.94.245501 | ||||||
Record Number: | CaltechAUTHORS:MUKprl05 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:MUKprl05 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 1787 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Archive Administrator | ||||||
Deposited On: | 18 Feb 2006 | ||||||
Last Modified: | 08 Nov 2021 19:42 |
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