Review on design and structural optimisation in additive manufacturing: Towards next-generation lightweight structures
János Plocher,Ajit Panesar +1 more
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TLDR
In this article, the state-of-the-art developments in the design for additive manufacturing (DfAM) and structural optimisation, becomes vital for successfully shaping the future AM-landscape.About:
This article is published in Materials & Design.The article was published on 2019-12-05 and is currently open access. It has received 330 citations till now. The article focuses on the topics: Generative Design & Topology optimization.read more
Citations
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Journal ArticleDOI
Material-structure-performance integrated laser-metal additive manufacturing.
TL;DR: In this article, a holistic concept of material-structure-performance integrated additive manufacturing (MSPI-AM) is proposed to cope with the extensive challenges of laser-based additive manufacturing.
Journal ArticleDOI
Architected cellular materials: A review on their mechanical properties towards fatigue-tolerant design and fabrication
Matteo Benedetti,A. du Plessis,A. du Plessis,Robert O. Ritchie,M. Dallago,Seyed Mohammad Javad Razavi,Filippo Berto +6 more
TL;DR: In this article, the authors discuss the progress to date in the improvement of the fatigue performance of cellular structures manufactured by additive manufacturing, especially metal-based, providing insights and a glimpse to the future for fatigue-tolerant additively manufactured architected cellular materials.
Journal ArticleDOI
A review of topology optimization for additive manufacturing: Status and challenges
TL;DR: It is shown that in the research of topology optimization for additive manufacturing, the integration of material, structure, process and performance is important to pursue high-performance, multi-functional and lightweight production.
Journal ArticleDOI
The effect of manufacturing defects on the fatigue life of selective laser melted Ti-6Al-4V structures
Yanan Hu,Shengchuan Wu,Shengchuan Wu,Philip J. Withers,J. Zhang,H.Y.X. Bao,Y.N. Fu,Guozheng Kang +7 more
TL;DR: In this paper, an eXtended defect zone (XDZ) describing the propensity for local plasticity during fatigue around a defect has been shown through numerical analysis to be a good indicator of the ranking of the threat to fatigue caused by differently located manufacturing defects.
Journal ArticleDOI
Wire and arc additive manufacturing : Opportunities and challenges to control the quality and accuracy of manufactured parts
TL;DR: In this paper, the authors focus on process planning including build orientation, slicing, and path planning, as well as the definition of process parameter selection from a single track to multi-track and multilayer, and finally geometric features from a thinwall to lattice structures with several case studies.
References
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Journal ArticleDOI
Additive manufacturing: technology, applications and research needs
Nannan Guo,Ming-Chuan Leu +1 more
TL;DR: Additive manufacturing (AM) technology has been researched and developed for more than 20 years as mentioned in this paper, and significant progress has been made in the development and commercialization of new and innovative AM processes, as well as numerous practical applications in aerospace, automotive, biomedical, energy and other fields.
Journal ArticleDOI
Ultralight Metallic Microlattices
Tobias A. Schaedler,Alan J. Jacobsen,Anna Torrents,Adam E. Sorensen,Jie Lian,Julia R. Greer,Lorenzo Valdevit,William B. Carter +7 more
TL;DR: A route is developed for fabricating extremely low-density, hollow-strut metallic lattices that exhibit complete recovery after compression exceeding 50% strain, and energy absorption similar to elastomers and attribute these properties to structural hierarchy at the nanometer, micrometer, and millimeter scales.
Journal ArticleDOI
3D-Printing of Lightweight Cellular Composites
TL;DR: A new epoxy-based ink is reported, which enables 3D printing of lightweight cellular composites with controlled alignment of multiscale, high-aspectratio fiber reinforcement to create hierarchical structures inspired by balsa wood.
Journal ArticleDOI
Design for additive manufacturing: trends, opportunities, considerations, and constraints
Mary Kathryn Thompson,Giovanni Moroni,Thomas H.J. Vaneker,Georges M. Fadel,R. Ian Campbell,Ian Gibson,Alain Bernard,Joachim Schulz,Patricia Graf,Bhrigu Ahuja,Filomeno Martina +10 more
TL;DR: In the case of aircraft components, AM technology enables low-volume manufacturing, easy integration of design changes and, at least as importantly, piece part reductions to greatly simplify product assembly.
Journal ArticleDOI
Topology optimization of non-linear elastic structures and compliant mechanisms
T.E. Bruns,Daniel A. Tortorelli +1 more
TL;DR: In this paper, the material density field is filtered to enforce a length scale on the field variation and is penalized to remove less effective intermediate densities to resolve the non-existent solution to the solid void topology problem.
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