Formation of a protective oxides-nitrides compound layer with enhanced wear properties, corrosion resistance, and cytocompatibility on novel Ti-Zr-Nb-Ta-Mo multi-principal element alloy

The insufficient surface properties of multi-principal element alloys (MPEAs) hinder their potential biomedical applications. Here, a facile thermal oxidation plus nitridation treatment is conducted to fabricate a protective layer on a novel Ti-Zr-Nb-Ta-Mo MPEA. The total surface layer of NT5-ON con...

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Bibliographic Details
Published in:Tribology international 2024-11, Vol.199, p.109947, Article 109947
Main Authors: Xu, Xincheng, Li, Zheng, Wang, Binbin, Lai, Weiji, Cao, Sheng, You, Deqiang, Li, Wei, Wang, Xiaojian
Format: Article
Language:English
Subjects:
Cytocompatibility
Multi-principal element alloys
Thermal oxidation plus nitridation treatment
Wear resistance and corrosion resistance
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Summary:The insufficient surface properties of multi-principal element alloys (MPEAs) hinder their potential biomedical applications. Here, a facile thermal oxidation plus nitridation treatment is conducted to fabricate a protective layer on a novel Ti-Zr-Nb-Ta-Mo MPEA. The total surface layer of NT5-ON consists of a top compound layer, including TiO2, TiN, TiON, ZrO2, and ZrN, and an underneath N-diffusion zone, leading to an exceptionally high wear performance. Also, electrochemical testing and in-vitro evaluations demonstrated enhanced corrosion resistance and cytocompatibility of NT5-ON. As a result, thermal oxidation plus nitridation treatment is an effective technique for designing high-performance hip implant materials.
ISSN:0301-679X
DOI:10.1016/j.triboint.2024.109947