Review on the Fatigue Strength of Additively Manufactured Metal Materials Under the Very High Cycle Fatigue

IF 3.1 2区材料科学 Q2 ENGINEERING, MECHANICAL

Fatigue & Fracture of Engineering Materials & Structures Pub Date : 2024-12-07 DOI:10.1111/ffe.14532

J. Henrique Lopes, Pedro R. da Costa, Manuel Freitas, Luís Reis

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引用次数: 0

Abstract

The primary goal of this systematic literature review is to identify, characterize, and make a comprehensive analysis of the available research on the fatigue strength of additively manufactured (AMed) metal materials when subjected to loading cycles that exceed the preconceptualized fatigue limit ( $10^{7}$ cycles) and the very high cycle fatigue (VHCF) regime. Considering the inherent complexity and magnitude of influential variables present in AM metal processes, this paper explores in-depth the relevant conclusions taken by theoretical/experimental studies and their respective results of several AMed materials in the VHCF regime. The present review focuses on key research topics of metal AM fatigue strength, such as crack initiation and failure mechanisms, examining the influence of microstructure and defects, the effect of the input process parameters, postprocessing methods, and the influence of testing conditions on fatigue strength.

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增材制造金属材料在甚高周疲劳下的疲劳强度研究进展

这篇系统性文献综述的主要目标是识别、描述、并对增材制造（AMed）金属材料在超过预定疲劳极限（7次）和甚高周疲劳（VHCF）状态下的疲劳强度进行了综合分析。考虑到增材制造金属过程中存在的固有复杂性和影响变量的大小，本文深入探讨了几种增材制造材料在VHCF状态下的理论/实验研究得出的相关结论和各自的结果。本文综述了金属增材制造疲劳强度的关键研究课题，如裂纹萌生和失效机制，研究了微观组织和缺陷的影响，输入工艺参数的影响，后处理方法，以及测试条件对疲劳强度的影响。

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

Fatigue & Fracture of Engineering Materials & Structures 工程技术-材料科学：综合

CiteScore

6.30

自引率

18.90%

发文量

256

审稿时长

4 months

期刊介绍： Fatigue & Fracture of Engineering Materials & Structures (FFEMS) encompasses the broad topic of structural integrity which is founded on the mechanics of fatigue and fracture, and is concerned with the reliability and effectiveness of various materials and structural components of any scale or geometry. The editors publish original contributions that will stimulate the intellectual innovation that generates elegant, effective and economic engineering designs. The journal is interdisciplinary and includes papers from scientists and engineers in the fields of materials science, mechanics, physics, chemistry, etc.