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Title: Thermal behaviors of liquid La-based bulk metallic glasses

Thermal behaviors of liquid La-based bulk metallic glasses have been measured by using the dilatometer with a self-sealed sample cell. It is demonstrated that the strong glass forming liquid not only has the small thermal expansion coefficient but also shows the slow variation rate. Moreover, the strong glass former has relatively dense atomic packing and also small density change in the liquid state. The results suggest that the high glass forming ability of La-based metallic glasses would be closely related to the slow atomic rearrangements in liquid melts.
Authors:
; ; ; ;  [1] ;  [2] ;  [3]
  1. International Center for New-Structured Materials (ICNSM), Laboratory of New-Structured Materials, State Key Laboratory of Silicon Materials, and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027 (China)
  2. Institute of Materials Science and Engineering, Lanzhou University, Lanzhou 730000 (China)
  3. State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027 (China)
Publication Date:
OSTI Identifier:
22402792
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Applied Physics; Journal Volume: 116; Journal Issue: 22; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; DENSITY; LIQUIDS; METALLIC GLASSES; THERMAL EXPANSION; VARIATIONS