Design of new β-type Ti alloys with outstanding corrosion and wear resistance for dental application

IF 7.4 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Science Pub Date : 2024-10-18 DOI:10.1016/j.corsci.2024.112520

Haoqin Lin , Guangxu Zhang , Weimin Chen , Kaihong Zheng , Fuxing Yin

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Abstract

β-type Ti alloys have drawn extensive attention as potential metallic implants. In this work, the microstructure, corrosion behavior, and wear performance of Ti−17.3 Nb−1.8Fe (TNF) and Ti−22 Nb−30Zr−4Cr (TNZC) biomedical alloys were experimentally investigated, and CP−Ti and Ti6Al4V alloy were also used for comparisons. TNF and TNZC alloys after solution treatment at 1273 K showed a single β phase. It was found that TNF and TNZC alloys revealed better corrosion resistance than CP−Ti and Ti6Al4V alloy in different artificial saliva containing 0.15 wt% NaF with the pH values of 3.9 and 5.7, which could be ascribed to the formation of a double-layer passive film composed of multiple species oxides. Moreover, TNF and TNZC alloys exhibited higher wear resistance compared with CP−Ti and Ti6Al4V alloy, whose wear mechanism was adhesive wear and abrasive wear. The present results show that TNF and TNZC alloys are nice candidates for dental application.

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为牙科应用设计具有出色耐腐蚀性和耐磨性的新型 β 型钛合金

β型钛合金作为潜在的金属植入物已引起广泛关注。本文通过实验研究了 Ti-17.3 Nb-1.8Fe （TNF）和 Ti-22 Nb-30Zr-4Cr （TNZC）生物医用合金的微观结构、腐蚀行为和磨损性能，并使用 CP-Ti 和 Ti6Al4V 合金进行对比。TNF 和 TNZC 合金在 1273 K 溶液处理后呈现单一的 β 相。研究发现，在 pH 值为 3.9 和 5.7、含 0.15 wt% NaF 的不同人工唾液中，TNF 和 TNZC 合金显示出比 CP-Ti 和 Ti6Al4V 合金更好的耐腐蚀性，这可能是由于形成了由多种氧化物组成的双层被动膜。此外，与 CP-Ti 和 Ti6Al4V 合金相比，TNF 和 TNZC 合金表现出更高的耐磨性，其磨损机制为粘着磨损和磨料磨损。本研究结果表明，TNF 和 TNZC 合金是牙科应用的理想材料。

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来源期刊

Corrosion Science 工程技术-材料科学：综合

CiteScore

13.60

自引率

18.10%

发文量

763

审稿时长

46 days

期刊介绍： Corrosion occurrence and its practical control encompass a vast array of scientific knowledge. Corrosion Science endeavors to serve as the conduit for the exchange of ideas, developments, and research across all facets of this field, encompassing both metallic and non-metallic corrosion. The scope of this international journal is broad and inclusive. Published papers span from highly theoretical inquiries to essentially practical applications, covering diverse areas such as high-temperature oxidation, passivity, anodic oxidation, biochemical corrosion, stress corrosion cracking, and corrosion control mechanisms and methodologies. This journal publishes original papers and critical reviews across the spectrum of pure and applied corrosion, material degradation, and surface science and engineering. It serves as a crucial link connecting metallurgists, materials scientists, and researchers investigating corrosion and degradation phenomena. Join us in advancing knowledge and understanding in the vital field of corrosion science.