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Materials 2018, 11(8), 1361; https://doi.org/10.3390/ma11081361

Phase Stability and Properties of Ti-Nb-Zr Thin Films and Their Dependence on Zr Addition

1
Department of Mechanical System Engineering, Gyeongsang National University, 38, Cheondaegukchi-gil, Tongyeong 53064, Korea
2
Department of Energy and Mechanical Engineering and Institute of Marine Industry, Gyeonsang National University, 38, Cheondaegukchi-gil, Tongyeong 53064, Korea
3
Department of Materials Engineering and Convergence Technology & RIGECT, Gyeonsang National University, 501, Jinju-daero, Jinju 52828, Korea
*
Author to whom correspondence should be addressed.
Received: 13 July 2018 / Revised: 30 July 2018 / Accepted: 3 August 2018 / Published: 6 August 2018
(This article belongs to the Special Issue Thin Film Fabrication and Surface Techniques)
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Abstract

Ternary Ti-Nb-Zr alloys were prepared by a magnetron sputtering method with porous structures observed in some of them. In bulk, in order to control the porous structure, a space holder (NH4HCO3) is used in the sintering method. However, in the present work, we show that the porous structure is also dependent on alloy composition. The results from Young’s modulus tests confirm that these alloys obey d-electrons alloy theory. However, the Young’s modulus of ternary thin films (≈80–95 GPa) is lower than that for binary alloys (≈108–123 GPa). The depth recovery ratio of ternary Ti-Nb-Zr thin films is also higher than that for binary β-Ti-(25.9–34.2)Nb thin film alloys. View Full-Text
Keywords: Ti-Nb-Zr ternary alloys; porous structure; biomedical; Young’s modulus Ti-Nb-Zr ternary alloys; porous structure; biomedical; Young’s modulus
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Yang, J.; Baatarsukh, M.; Bae, J.; Huh, S.; Jeong, H.; Choi, B.; Nam, T.; Noh, J. Phase Stability and Properties of Ti-Nb-Zr Thin Films and Their Dependence on Zr Addition. Materials 2018, 11, 1361.

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