形状记忆合金的疲劳，重点是增材制造的NiTi部件

IF 12.2 1区工程技术 Q1 MECHANICS

Applied Mechanics Reviews Pub Date : 2022-08-04 DOI:10.1115/1.4055175

Adriano Cebrian Carcavilla, W. Zaki

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引用次数: 4

摘要

形状记忆合金(sma)通常用于涉及时变载荷的应用中。在这种情况下，疲劳导致可能的断裂是导致失效的主要原因，自20世纪60年代以来，这一问题得到了广泛的研究。本工作审查了这一领域的发展，重点是与增材制造sma有关的最新成果。考虑了在循环加载下影响结构和功能退化的多种因素，包括微观结构和表面特征、热加载历史和热处理。为了完整起见，本文简要概述了文献中提出的预测SMA疲劳的建模方法，并对已发表数据的统计相关性和不确定性进行了讨论。然后得出结论，指导后续的研究。

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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Fatigue of Shape Memory Alloys with Emphasis On Additively-Manufactured NiTi Components

Shape memory alloys (SMAs) are often used in applications involving time-varying loads. Under such conditions, fatigue leading to possible fracture is a paramount cause of failure, which has been extensively investigated since the 1960s. The present work reviews developments in this field with emphasis on recent results related to additively-manufactured SMAs. Multiple factors influencing structural and functional degradation in presence of cyclic loading are considered, including microstructural and surface features, thermal loading history and heat treatment. For completeness, select modelling approaches proposed in the literature to predict SMA fatigue are briefly overviewed and a discussion is provided on the statistical relevance and uncertainty of published data. Conclusions are then formulated to guide subsequent research.

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来源期刊

Applied Mechanics Reviews 物理-力学

CiteScore

28.20

自引率

0.70%

发文量

审稿时长

>12 weeks

期刊介绍： Applied Mechanics Reviews (AMR) is an international review journal that serves as a premier venue for dissemination of material across all subdisciplines of applied mechanics and engineering science, including fluid and solid mechanics, heat transfer, dynamics and vibration, and applications.AMR provides an archival repository for state-of-the-art and retrospective survey articles and reviews of research areas and curricular developments. The journal invites commentary on research and education policy in different countries. The journal also invites original tutorial and educational material in applied mechanics targeting non-specialist audiences, including undergraduate and K-12 students.