Journal of Materials Research and Technology Journal of Materials Research and Technology
J Mater Res Technol 2018;7:261-9 DOI: 10.1016/j.jmrt.2017.08.009
Original Article
Effects of similar-element-substitution on the glass-forming ability and mechanical behaviors of Ti-Cu-Zr-Pd bulk metallic glasses
Haoling Jiaa,b, Xie Xieb, Lei Zhaoa, Jianfeng Wangc, Yanfei Gaob,d, Karin A. Dahmene, Weidong Lib,, , Peter K. Liawb,, , Chaoli Maa,,
a Department of Materials Science and Engineering, Beihang University, Beijing 100083, China
b Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN 37996, USA
c School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
d Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
e Department of Physics, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
Received 27 June 2017, Accepted 19 August 2017
Abstract

The Ti41Cu31Zr10Pd13 (at.%) metallic glasses are promising for bone-implantation applications due to their exceptional bio-compatibility. However, Pd, as a noble element, keeps the fabrication cost high and prevents the industrial sale production of these alloys. Searching for replacements with comparable glass-forming ability and ductility but lower cost turns out to be imperative. In this article, we used similar but less expensive elements to substitute Pd for such a goal. Specifically, 1–4at.% Ni and Pt are incrementally used to replace Pd in the base alloy. Careful characterizations of the glass-forming ability and the compressive ductility suggest that the Ti41Cu36Zr10Pd10Ni3 metallic glass retains both the glass-forming ability and the ductility, but cuts down the alloy cost by ∼22.66%. The Ti41Cu36Zr10Pd12Pt1 metallic glass, despite no substantial trimming in the alloy cost, doubles the ductility and fairly maintains the glass-forming ability. The serrated flow is observed on the plastic flow of most metallic glasses investigated and is quantitatively studied in the framework of the self-organized criticality. Our work provides important insights on defining appropriate commercialization routes of Ti-based bulk metallic glasses.

Keywords
Glass forming ability, Plasticity, Serrated flow, Self-organized criticality
J Mater Res Technol 2018;7:261-9 DOI: 10.1016/j.jmrt.2017.08.009
Cookies Policy
x
To improve our services and products, we use cookies (own or third parties authorized) to show advertising related to client preferences through the analyses of navigation customer behavior. Continuing navigation will be considered as acceptance of this use. You can change the settings or obtain more information by clicking here.