Dynamic and quasi-static strength of additively repaired aluminum

IF 2.7 3区 物理与天体物理 Q2 PHYSICS, APPLIED Journal of Applied Physics Pub Date : 2024-09-03 DOI:10.1063/5.0222267
Jesse G. Callanan, Daniel T. Martinez, Sara Ricci, Nicholas K. Brewer, Benjamin K. Derby, Brandon J. Lovato, Kendall J. Hollis, Saryu J. Fensin, David R. Jones
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Abstract

Additive manufacturing has the potential to repair high value components, saving significant time and resources; however, the level of reliability and performance of additive repairs is still relatively unknown. In this work, the structure–property and performance of laser wire additive manufacturing repairs in 1100 aluminum are investigated. Two types of intentional damage are inflicted on the samples and subsequently repaired with pulsed laser deposition additive manufacturing. Quasi-static (10−3s−1) and high strain-rate (10−3s−1) mechanical testing is carried out with in situ diagnostics and post-mortem imaging. The results show that while the quasi-static strength and ductility of samples with a repaired region are lower than a pristine sample, the dynamic strength under shock loading is comparable. This work highlights both the potential utility of additive manufacturing for repair purposes, the significant risk of compromised performance of additive parts under specific conditions, and the need to test at varying strain rates to fully characterize material performance.
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加成修复铝的动态和准静态强度
增材制造具有修复高价值部件的潜力,可节省大量时间和资源;然而,增材制造修复的可靠性和性能水平仍相对未知。在这项工作中,研究了 1100 铝的激光线材增材制造修复的结构-属性和性能。样品受到两种类型的故意损伤,随后使用脉冲激光沉积快速成型技术进行修复。通过现场诊断和死后成像进行了准静态(10-3s-1)和高应变率(10-3s-1)机械测试。结果表明,虽然带有修复区域的样品的准静态强度和延展性低于原始样品,但冲击加载下的动态强度却不相上下。这项工作突出了增材制造在修复方面的潜在用途、增材制造部件在特定条件下性能受损的重大风险,以及在不同应变速率下进行测试以全面鉴定材料性能的必要性。
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
Journal of Applied Physics
Journal of Applied Physics 物理-物理:应用
CiteScore
5.40
自引率
9.40%
发文量
1534
审稿时长
2.3 months
期刊介绍: The Journal of Applied Physics (JAP) is an influential international journal publishing significant new experimental and theoretical results of applied physics research. Topics covered in JAP are diverse and reflect the most current applied physics research, including: Dielectrics, ferroelectrics, and multiferroics- Electrical discharges, plasmas, and plasma-surface interactions- Emerging, interdisciplinary, and other fields of applied physics- Magnetism, spintronics, and superconductivity- Organic-Inorganic systems, including organic electronics- Photonics, plasmonics, photovoltaics, lasers, optical materials, and phenomena- Physics of devices and sensors- Physics of materials, including electrical, thermal, mechanical and other properties- Physics of matter under extreme conditions- Physics of nanoscale and low-dimensional systems, including atomic and quantum phenomena- Physics of semiconductors- Soft matter, fluids, and biophysics- Thin films, interfaces, and surfaces
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