Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32181
Title: A plastic Ni-free Zr-based bulk metallic glass with high specific strength and good corrosion properties in simulated body fluid
Authors: Guo, SF
Liu, Z
Chan, KC 
Chen, W
Zhang, HJ
Wang, JF
Yu, P
Keywords: Amorphous materials
Biomaterials
Corrosion
Structural
Issue Date: 2012
Publisher: North-Holland
Source: Materials letters, 2012, v. 84, p. 81-84 How to cite?
Journal: Materials letters 
Abstract: The mechanical properties at room temperature and the corrosion behavior in simulated body fluid (PBS) at 37°C of a Ni-free Zr 62.3Cu 22.5Fe 4.9Al 6.8Ag 3.5 bulk metallic glass (BMG) were investigated. This BMG exhibits a good room temperature plasticity of 8%, a yield strain of 1.9% and a high fracture strength of about 1800 MPa. Interestingly, the novel Zr-rich BMG possesses a specific strength (σ/ρ) of about 280 MPa cm 3/g higher than that of conventional biomedical Ti6Al4V alloy and 316 L stainless steel. In addition, this alloy also has a high corrosion resistance with a low corrosion penetration rate in simulated body fluids (PBS). The present Ni-free Zr-rich BMG with a critical diameter above 1 cm, together with the high specific strength, large plasticity and good corrosion resistance in PBS, has excellent potential in biomedical applications.
URI: http://hdl.handle.net/10397/32181
ISSN: 0167-577X
EISSN: 1873-4979
DOI: 10.1016/j.matlet.2012.06.057
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