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.
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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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Shape optimization of a layer by layer mechanical constraint for additive manufacturing
TL;DR: In this article, the authors introduce a new functional of the domain, to be used in shape optimization problems as a means to enforce the constructibility of shapes by additive manufacturing processes, which aggregates the self-weights of all the intermediate structures of the shape appearing in the course of its layer-by-layer assembly.
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Microstructure and Transport Properties of Cellular Materials: Representative Volume Element
TL;DR: In this paper, the representative volume element (RVE) plays a central role in efforts to predict the effective thermo-physical and transport properties of heterogeneous materials and a quantitative definition of its size is proposed.
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An improved soft-kill BESO algorithm for optimal distribution of single or multiple material phases
TL;DR: In this article, an improved soft-kill BESO algorithm is introduced which can handle both single and multiple material distribution problems, and a new filtering scheme and a gradual procedure inspired by the continuation approach are used in this algorithm.
Journal ArticleDOI
High-stiffness and strength porous maraging steel via topology optimization and selective laser melting
TL;DR: In this paper, the authors used topology optimization to derive an optimal pore structure shape with high stiffness, which was verified experimentally and achieved 85% of the performance of the Hashin-Shtrikman (HS) upper bound in numerical simulations.
Journal ArticleDOI
Composites Part Production with Additive Manufacturing Technologies
Daniel-Alexander Türk,Ralph Kussmaul,Markus Zogg,Christoph Klahn,Bastian Leutenecker-Twelsiek,Mirko Meboldt +5 more
TL;DR: In this paper, four design principles that improve the production of composites parts during layup, handling, curing and post processing in the layup process are presented, and applied to a hat-stiffener, a highly integrated aircraft instrument panel and a novel insert eliminating drilling operations.
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