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Room temperature creep in amorphous alloys: Influence of initial strain and free volume
- Issue Date
- Dec-2010
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Metallic glasses; Creep; Nanoindentation; Free volume
- Citation
- SCRIPTA MATERIALIA, v.63, no.12, pp.1205 - 1208
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCRIPTA MATERIALIA
- Volume
- 63
- Number
- 12
- Start Page
- 1205
- End Page
- 1208
- ISSN
- 1359-6462
- Abstract
- The role of imposed strain on the room temperature time-dependent deformation behavior of bulk metallic glasses (BMGs) was systematically investigated through spherical nanoindentation creep experiments. The results show that creep occurred even at very low strains within elastic regimes and, interestingly, a precipitous increase in creep rate was found in plastic regimes, with BMG that had a higher free volume exhibiting greater creep rates. The results are discussed in terms of prevailing mechanisms of elastic/plastic deformation of amorphous alloys. (c) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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Related Researcher
- Jang, Jae Il
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)