Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24059
Title: Atmospheric RE-free Mg-based bulk metallic glass with high bio-corrosion resistance
Authors: Guo, SF
Chan, KC 
Jiang, XQ
Zhang, HJ
Zhang, DF
Wang, JF
Jiang, B
Pan, FS
Keywords: Corrosion
Mechanical properties
Metallic glasses
Rapid-solidification, quenching
Issue Date: 2013
Publisher: Elsevier Science Bv
Source: Journal of non-crystalline solids, 2013, v. 379, p. 107-111 How to cite?
Journal: Journal of Non-Crystalline Solids 
Abstract: In this work, a rare earth (RE) free Mg69Zn27Ca 4 bulk metallic glass (BMG) of diameter 1.5 mm was successfully fabricated by the injection casting method using recycled materials in atmospheric air. Without using high vacuum conditions, high purity starting materials and expensive rare earth materials, the findings of the work are of significance in reducing the cost and improving the manufacturability of BMGs. The results of the uniaxial compression tests further showed that there were no obvious differences between BMGs prepared under high vacuum or in atmospheric environment. The electrochemical polarization measurements in simulated physiological media revealed that the atmospheric Mg69Zn 27Ca4 BMG manifested much lower passive current densities, higher pitting potential and a wider passive region than those of ZK60 and pure Mg alloys. The findings not only present Mg69Zn27Ca 4 BMG as low cost material for potential biomedical applications, but also provide new insights into understanding of the effects of oxygen on glass formation.
URI: http://hdl.handle.net/10397/24059
ISSN: 0022-3093
DOI: 10.1016/j.jnoncrysol.2013.07.036
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