Journal
SCRIPTA MATERIALIA
Volume 61, Issue 11, Pages 1091-1094Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.08.042
Keywords
Metallic glass
Categories
Funding
- NSF of China [50621061, 50731008]
- MOST973 [2007CB61 3904]
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We report a family of Sr-based bulk metallic glasses (BMGs) with good glass-forming ability and many unique properties, such as ultralow glass transition temperature T-g, elastic moduli and less fragility than known BMGs. The T-g of Sr60Li11Mg9Zn20 BMG is at room temperature (similar to 299 K). Remarkably, the BMGs have tunable degradation behavior in water and the corrosion rate can be controlled by simply minor alloying, so that the full degradation time can be effectively modulated from minutes to more than weeks. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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