Obtaining and characterisation of high entropy alloys used for medical applications

Abstract

The experimental CrFeMoNbTaTiZr alloys were designed based on the extremely low bio-toxicity of the chemical elements. They are currently used as a basis for alloying of classical alloys used in medical device manufacturing. From this alloying system, were obtained in a Vacuum Arc Remelting (VAR) equipment six alloys: CrFeMoNbTaTi, CrFeMoNbTaZr, CrFeMoTaTiZr, CrFeTaNbTiZr, CrTaNbTiZrMo and FeTaNbTiZrMo. The microstructural analysis of the obtained alloys have been performed by optical and SEM microscopy. The microhardness tests show results in the range of 575-1337 HV_0.2/10. In order to improve the mechanical properties heat treatment procedures have been applied.

Original language	English
Article number	012023
Journal	IOP Conference Series: Materials Science and Engineering
Volume	572
Issue number	1
DOIs	https://doi.org/10.1088/1757-899X/572/1/012023
Publication status	Published - 2 Aug 2019
Externally published	Yes
Event	2019 International Conference on Innovative Research, ICIR EUROINVENT 2019 - Iasi, Romania Duration: 16 May 2019 → 17 May 2019

ASJC Scopus subject areas

Materials Science(all)
Engineering(all)

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10.1088/1757-899X/572/1/012023

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Obtaining and characterisation of high entropy alloys used for medical applications. / Geantǎ, V.; Voiculescu, I.; Ştefǎnoiu, R.; Codescu, M.; Kelemen, H.; Pavel, G.; Vlǎdescu, A.; Sandu, V. A.

In: IOP Conference Series: Materials Science and Engineering, Vol. 572, No. 1, 012023, 02.08.2019.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "The experimental CrFeMoNbTaTiZr alloys were designed based on the extremely low bio-toxicity of the chemical elements. They are currently used as a basis for alloying of classical alloys used in medical device manufacturing. From this alloying system, were obtained in a Vacuum Arc Remelting (VAR) equipment six alloys: CrFeMoNbTaTi, CrFeMoNbTaZr, CrFeMoTaTiZr, CrFeTaNbTiZr, CrTaNbTiZrMo and FeTaNbTiZrMo. The microstructural analysis of the obtained alloys have been performed by optical and SEM microscopy. The microhardness tests show results in the range of 575-1337 HV0.2/10. In order to improve the mechanical properties heat treatment procedures have been applied.",

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AU - Geantǎ, V.

AU - Voiculescu, I.

AU - Ştefǎnoiu, R.

AU - Codescu, M.

AU - Kelemen, H.

AU - Pavel, G.

AU - Vlǎdescu, A.

AU - Sandu, V. A.

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AB - The experimental CrFeMoNbTaTiZr alloys were designed based on the extremely low bio-toxicity of the chemical elements. They are currently used as a basis for alloying of classical alloys used in medical device manufacturing. From this alloying system, were obtained in a Vacuum Arc Remelting (VAR) equipment six alloys: CrFeMoNbTaTi, CrFeMoNbTaZr, CrFeMoTaTiZr, CrFeTaNbTiZr, CrTaNbTiZrMo and FeTaNbTiZrMo. The microstructural analysis of the obtained alloys have been performed by optical and SEM microscopy. The microhardness tests show results in the range of 575-1337 HV0.2/10. In order to improve the mechanical properties heat treatment procedures have been applied.

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