Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9473
Title: Enhanced glass forming ability and plasticity of a Ni-free Zr-based bulk metallic glass
Authors: Liu, Z
Chan, KC 
Liu, L
Keywords: Bulk metallic glass
Glass forming ability
Heat of mixing
Plasticity
Issue Date: 2009
Publisher: Elsevier
Source: Journal of alloys and compounds, 2009, v. 487, no. 1-2, p. 152-156 How to cite?
Journal: Journal of alloys and compounds 
Abstract: The effect of Ag addition on the glass forming ability (GFA) and mechanical properties of (Zr0.62Cu0.23Fe0.05Al0.10)100-xAgx (x = 0, 1, 3, 5, 7) alloys were investigated by X-ray diffractometry, differential scanning calorimetry and compression testing. Their GFA and plasticity are found to increase simultaneously with increasing Ag content up to 3 at.%, but beyond this range, they both decrease. The (Zr0.62Cu0.23Fe0.05Al0.10)97Ag3 alloy exhibits the highest GFA and largest plasticity, with a critical diameter of 10 mm and a fracture plastic strain of 5.2%. The reasons for the enhanced GFA and plasticity are discussed by considering the positive heat of mixing between Ag, Cu and Fe. The Ni-free (Zr0.62Cu0.23Fe0.05Al0.10)97Ag3 alloy with high GFA, reasonably good plasticity and a low Young's modulus of approximate 68 GPa is a promising candidate for biomedical applications.
URI: http://hdl.handle.net/10397/9473
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2009.08.030
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