In Vitro Tribocorrosion Evaluation of Carbide-derived Carbon (CDC) for Hip Implants.

IF 1.3 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Advances in Applied Ceramics Pub Date : 2023-01-01 Epub Date: 2023-08-14 DOI:10.1080/17436753.2023.2241251

Yani Sun, Kyle Kinnerk, Tony Mirshed, Michael McNallan, Mathew Mathew

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引用次数: 0

Abstract

Carbide-derived carbon (CDC) was previously proposed as a surface modification method for hip implant applications since it showed excellent tribocorrosion performance under open-circuit potential (OCP) conditions. Nonetheless, a systematic evaluation of CDC's tribocorrosion properties was still missing. Therefore, our objective is to test CDC's tribocorrosion performance under various electrochemical conditions and to identify the synergism between wear and corrosion. Based on the findings, the variations in OCP for CDC (0.626 mV) is smaller than Ti6Al4V (1.91 mV), and CDC showed lower induced current than T6Al4V for all potentials, suggesting CDC is more stable than Ti6Al4V under tribocorrosive conditions. Eventually, the weight loss of Ti6Al4V (50.662±5.19 μg) was found to be significantly higher than that of CDC (4.965±5.19 μg), which agrees with the electrochemical results. In summary, CDC showed better tribocorrosion performance than Ti6Al4V and was determined as an Antagonism regime.

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用于髋关节假体的碳化物衍生碳 (CDC) 的体外摩擦腐蚀评估。

由于碳化物衍生碳（CDC）在开路电位（OCP）条件下显示出优异的摩擦腐蚀性能，因此以前曾被提议作为髋关节植入物的表面改性方法。然而，目前还没有对 CDC 的摩擦腐蚀性能进行系统的评估。因此，我们的目标是测试 CDC 在各种电化学条件下的摩擦腐蚀性能，并确定磨损和腐蚀之间的协同作用。根据研究结果，CDC 的 OCP 变化（0.626 mV）小于 Ti6Al4V（1.91 mV），而且在所有电位下，CDC 的感应电流均低于 T6Al4V，这表明在摩擦腐蚀条件下，CDC 比 Ti6Al4V 更稳定。最终，Ti6Al4V 的失重（50.662±5.19 μg）明显高于 CDC 的失重（4.965±5.19 μg），这与电化学结果一致。总之，CDC 比 Ti6Al4V 显示出更好的摩擦腐蚀性能，并被确定为拮抗体系。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in Applied Ceramics 工程技术-材料科学：硅酸盐

CiteScore

4.40

自引率

4.50%

发文量

审稿时长

5.2 months

期刊介绍： Advances in Applied Ceramics: Structural, Functional and Bioceramics provides international coverage of high-quality research on functional ceramics, engineering ceramics and bioceramics.