Journal
SCRIPTA MATERIALIA
Volume 64, Issue 1, Pages 81-84Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.09.015
Keywords
Bulk metallic glass; Severe plastic deformation; Shear bands; Nanoglass
Categories
Funding
- National Nature Science Foundation of China [50701038, 60776014, 60876002, 10874053, 50871104, 50920105101, 10979002, 51050110136]
- Zhejiang University
- Ministry of Education of China
- Fund for Returned Oversea Scholars and the Qianjian Program
- Department of Science and Technology of Zhejiang Province, Zhejiang University
- German National Science Foundation (DFG)
- EU [MRTN-CT-2003-504692]
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Structural evolution of an Au-based bulk metallic glass (BMG) after severe plastic deformation (SPD) was investigated The newly formed glass contains high-density shear bands, a reduced ordering and a concomitant excess free volume Moreover, it exhibits a less changed local structure even in the supercooled liquid region, but a reduced thermal stability reflected in an accelerated crystal nucleation and growth process These results suggest that SPD modifies the atomic structure of BMGs by localized shear band formation, thus producing so-called nanoglasses (C) 2010 Acta Materialia Inc Published by Elsevier Ltd All rights reserved
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