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Volume 10
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10.3390/met10111450
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Article

Open Porous α + β Titanium Alloy by Liquid Metal Dealloying for Biomedical Applications

by
Stefan Alexander Berger
1,* and
Ilya Vladimirovich Okulov
2,3,4,*
1
Helmholtz-Zentrum Geesthacht, Institute of Materials Research, Division of Materials Mechanics, 21502 Geesthacht, Germany
2
Faculty of Production Engineering, University of Bremen, Badgasteiner Str. 1, 28359 Bremen, Germany
3
Leibniz Institute for Materials Engineering—IWT, Badgasteiner Str. 3, 28359 Bremen, Germany
4
Institute of Natural Sciences and Mathematics, Ural Federal University, 620000 Ekaterinburg, Russia
*
Authors to whom correspondence should be addressed.
Metals 2020, 10(11), 1450; https://doi.org/10.3390/met10111450
Submission received: 15 September 2020 / Revised: 20 October 2020 / Accepted: 27 October 2020 / Published: 29 October 2020
(This article belongs to the Special Issue Nanoporous and Nanocomposite Materials by Dealloying)
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Abstract

Open porous dendrite-reinforced TiMo alloy was synthesized by liquid metal dealloying of the precursor Ti47.5Mo2.5Cu50 (at.%) alloy in liquid magnesium (Mg). The porous TiMo alloy consists of α-titanium and β-titanium phases and possesses a complex microstructure. The microstructure consists of micrometer scale β-titanium dendrites surrounded by submicrometer scale α-titanium ligaments. Due to the dendrite-reinforced microstructure, the porous TiMo alloy possesses relatively high yield strength value of up to 180 MPa combined with high deformability probed under compression loading. At the same time, the elastic modulus of the porous TiMo alloy (below 10 GPa) is in the range of that found for human bone. This mechanical behavior along with the open porous structure is attractive for biomedical applications and suggests opportunities for using the porous TiMo alloy in implant applications.
Keywords: dealloying; liquid metal dealloying; nanoporous; titanium alloy; biomedical material; mechanical behavior dealloying; liquid metal dealloying; nanoporous; titanium alloy; biomedical material; mechanical behavior

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MDPI and ACS Style

Berger, S.A.; Okulov, I.V. Open Porous α + β Titanium Alloy by Liquid Metal Dealloying for Biomedical Applications. Metals 2020, 10, 1450. https://doi.org/10.3390/met10111450

AMA Style

Berger SA, Okulov IV. Open Porous α + β Titanium Alloy by Liquid Metal Dealloying for Biomedical Applications. Metals. 2020; 10(11):1450. https://doi.org/10.3390/met10111450

Chicago/Turabian Style

Berger, Stefan Alexander, and Ilya Vladimirovich Okulov. 2020. "Open Porous α + β Titanium Alloy by Liquid Metal Dealloying for Biomedical Applications" Metals 10, no. 11: 1450. https://doi.org/10.3390/met10111450

APA Style

Berger, S. A., & Okulov, I. V. (2020). Open Porous α + β Titanium Alloy by Liquid Metal Dealloying for Biomedical Applications. Metals, 10(11), 1450. https://doi.org/10.3390/met10111450

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