用于生物医学应用的各种热机械加工 Ti-Mo-Al-Zr 和伪二元 (Ti-Zr)-Mo 形状记忆合金的机械性能

IF 3 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Wan-Ting Chiu , Ryunosuke Hayakawa , Naoki Nohira , Masaki Tahara , Tomonari Inamura , Hideki Hosoda
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引用次数: 0

摘要

由于对生物医学材料的巨大需求,形状记忆合金(SMA)备受关注。在 SMAs 中,钛基 SMAs 具有很高的生物相容性、无毒性、优异的功能性和适当的机械性能,是一种很有前途的材料。对于钛基 SMA,添加其他元素是一种常用的策略,而且添加材料的组合是无限的。在各种钛基合金体系中,Ti-Mo-Al-Zr 合金是一种基本的合金体系,因为 Mo 和 Al 可作为特定金属,用于计算 Mo 当量和 Al 当量,以评估合金的稳定性。而 Zr 是一种中性元素,用于微调合金的性能。因此,本研究选择了这种基本的四元合金。在这一系列研究中,发现 Ti-5.5Mo-8Al-6Zr 合金具有适当的机械性能。因此,对这种特定合金进一步进行了各种热机械处理,以进一步提高其性能。除 Ti-5.5Mo-8Al-6Zr 合金外,还研究了 (Ti-Zr)-Mo 的假二元合金,因为与纯 Ti 和 Zr 元素相比,它们的固有相变温度较低。本研究提出了通过热机械处理开发这些 SMA 的策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Mechanical properties of various thermomechanical processed Ti-Mo-Al-Zr and pseudo-binary (Ti-Zr)-Mo shape memory alloys for biomedical applications

Mechanical properties of various thermomechanical processed Ti-Mo-Al-Zr and pseudo-binary (Ti-Zr)-Mo shape memory alloys for biomedical applications

Shape memory alloys (SMAs) have attracted much attention due to the great demand for biomedical materials. Among the SMAs, the Ti-based SMAs are promising materials owing to their high biocompatibility, non-toxicity, excellent functionalities, and proper mechanical properties. Concerning the Ti-based SMAs, adding other elements is an often-used strategy, and the combinations of the addition materials are unlimited. Among the various Ti-based alloy systems, the Ti-Mo-Al-Zr alloy is one fundamental alloy system, since Mo and Al are served as the specific metals for the calculations of the Mo equivalent and Al equivalent for the evaluation of the alloy stability. While Zr is a neutral element for fine-tuning the properties of the alloys. This fundamental quaternary alloy was thus chosen in this study. In this research series, it has been found that the Ti-5.5Mo-8Al-6Zr alloy performed proper mechanical properties. Therefore, this specific alloy was further subjected to various thermomechanical treatments to further improve its properties. In addition to the Ti-5.5Mo-8Al-6Zr alloy, pseudo-binary alloys of (Ti-Zr)-Mo were also investigated due to their intrinsic low phase transformation temperature compared to the pure Ti and Zr elements. Strategies for the development of these SMAs by conducting thermomechanical treatments have been proposed in this study.

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来源期刊
Materialia
Materialia MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
6.40
自引率
2.90%
发文量
345
审稿时长
36 days
期刊介绍: Materialia is a multidisciplinary journal of materials science and engineering that publishes original peer-reviewed research articles. Articles in Materialia advance the understanding of the relationship between processing, structure, property, and function of materials. Materialia publishes full-length research articles, review articles, and letters (short communications). In addition to receiving direct submissions, Materialia also accepts transfers from Acta Materialia, Inc. partner journals. Materialia offers authors the choice to publish on an open access model (with author fee), or on a subscription model (with no author fee).
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