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 |
Appears in Collections: | Journal/Magazine Article |
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