What is the relationship between metal-on-metal and ceramic-on-metal tribocorrosive behaviours? An experimental study on Ti-6Al-4 V/CoCrMo interface

Khosro Fallahnezhad; Mohsen Feyzi; Mark Taylor; Reza Hashemi

doi:10.1016/j.triboint.2022.107720

What is the relationship between metal-on-metal and ceramic-on-metal tribocorrosive behaviours? An experimental study on Ti-6Al-4 V/CoCrMo interface

Khosro Fallahnezhad, Mohsen Feyzi, Mark Taylor, Reza Hashemi

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

This study uses an experimental approach to investigate the relationship between metal-on-metal and ceramic/metal tribocorrosive behaviours. A set of tribocorrosion experiments were conducted on Ti6Al4V/ceramic, ceramic/CoCrMo, and Ti6Al4V/CoCrMo couples. The anodic current profiles for all the studied material combinations were provided to facilitate the estimation of the tribocorrosion current, under different test parameters. A linear regression method was used to estimate the relationship between the current of Ti6Al4V/CoCrMo combination and the corresponding ceramic/metal currents. The generated equation was then used to estimate the contribution of each metallic surface to the total current. It was found that the fraction of the metallic counterparts’ contributions to the total current is highly dependent on the working potential.

Original language	English
Article number	107720
Number of pages	11
Journal	TRIBOLOGY INTERNATIONAL
Volume	174
DOIs	https://doi.org/10.1016/j.triboint.2022.107720
Publication status	Published - Oct 2022

Keywords

Anodic current
CoCrMo
Ti6Al4V
Tribocorrosion

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abstract = "This study uses an experimental approach to investigate the relationship between metal-on-metal and ceramic/metal tribocorrosive behaviours. A set of tribocorrosion experiments were conducted on Ti6Al4V/ceramic, ceramic/CoCrMo, and Ti6Al4V/CoCrMo couples. The anodic current profiles for all the studied material combinations were provided to facilitate the estimation of the tribocorrosion current, under different test parameters. A linear regression method was used to estimate the relationship between the current of Ti6Al4V/CoCrMo combination and the corresponding ceramic/metal currents. The generated equation was then used to estimate the contribution of each metallic surface to the total current. It was found that the fraction of the metallic counterparts{\textquoteright} contributions to the total current is highly dependent on the working potential.",

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AU - Fallahnezhad, Khosro

AU - Feyzi, Mohsen

AU - Taylor, Mark

AU - Hashemi, Reza

PY - 2022/10

Y1 - 2022/10

N2 - This study uses an experimental approach to investigate the relationship between metal-on-metal and ceramic/metal tribocorrosive behaviours. A set of tribocorrosion experiments were conducted on Ti6Al4V/ceramic, ceramic/CoCrMo, and Ti6Al4V/CoCrMo couples. The anodic current profiles for all the studied material combinations were provided to facilitate the estimation of the tribocorrosion current, under different test parameters. A linear regression method was used to estimate the relationship between the current of Ti6Al4V/CoCrMo combination and the corresponding ceramic/metal currents. The generated equation was then used to estimate the contribution of each metallic surface to the total current. It was found that the fraction of the metallic counterparts’ contributions to the total current is highly dependent on the working potential.

AB - This study uses an experimental approach to investigate the relationship between metal-on-metal and ceramic/metal tribocorrosive behaviours. A set of tribocorrosion experiments were conducted on Ti6Al4V/ceramic, ceramic/CoCrMo, and Ti6Al4V/CoCrMo couples. The anodic current profiles for all the studied material combinations were provided to facilitate the estimation of the tribocorrosion current, under different test parameters. A linear regression method was used to estimate the relationship between the current of Ti6Al4V/CoCrMo combination and the corresponding ceramic/metal currents. The generated equation was then used to estimate the contribution of each metallic surface to the total current. It was found that the fraction of the metallic counterparts’ contributions to the total current is highly dependent on the working potential.

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KW - CoCrMo

KW - Ti6Al4V

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What is the relationship between metal-on-metal and ceramic-on-metal tribocorrosive behaviours? An experimental study on Ti-6Al-4 V/CoCrMo interface

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Keywords

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