Numerical and experimental investigations of additively manufactured lattice structures under quasi-static compression loading

被引：8
|
作者：
Radlof, Wiebke [1 ]
Benz, Christopher [1 ]
Sander, Manuela [1 ]
机构：
[1] Institute of Structural Mechanics, Faculty of Mechanical Engineering and Marine Technology, University of Rostock, Rostock, Germany
来源：
Material Design and Processing Communications | 2021年 / 3卷 / 03期
关键词：
Strain measurement - Ternary alloys - Titanium alloys - Vanadium alloys - Aluminum alloys - Compression testing - Additives - Numerical models;
D O I：
10.1002/mdp2.164
中图分类号：
学科分类号：
摘要：
Investigating the mechanical behavior is an important point for evaluating the mechanical reliability of additively manufactured (AM) lattice structures. First, the lattice structures were experimentally tested under compression loading. In order to identify the local damage behavior and visualize local strains, digital image correlation (DIC) was used in situ. Additionally, compression tests were numerically simulated with Abaqus, applying the Johnson-Cook failure model. The numerical results were compared and validated with the experimental data. Moreover, manufacturing-related imperfections and their influence on the structural behavior were analyzed and taken into account in the numerical simulations. © 2020 The Authors. Material Design & Processing Communications published by John Wiley & Sons Ltd
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