Geometrical metrology for metal additive manufacturing
Richard Leach,David L. Bourell,Simone Carmignato,Alkan Donmez,Nicola Senin,Nicola Senin,Wim Dewulf +6 more
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TLDR
The infrastructure under development for specification standards in AM is presented, and the research on geometrical dimensioning and tolerancing for AM is reviewed, and post-process metrology is covered, including the measurement of surface form, texture and internal features.About:
This article is published in CIRP Annals.The article was published on 2019-01-01 and is currently open access. It has received 177 citations till now. The article focuses on the topics: Metrology.read more
Citations
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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.
Manufacturing by Combining Selective Laser Melting and Selective Laser Erosion / Laser Re-melting (Productie door het combineren van selectief laser smelten en selectief laser eroderen / laser hersmelten)
TL;DR: In this article, the authors present an experimental investigation to improve Selective Laser Melting (SLM) regarding aspects such as surface roughness, density, precision and micro machining capability by employing secondary processes such as SLE and laser re-melting.
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Design for additive manufacturing: Framework and methodology
TL;DR: This paper presents a framework for DfAM methods and tools, subdivided into three distinct stages of product development: AM process selection, product redesign for functionality enhancement, and product optimization for the AM process chosen.
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Defects and anomalies in powder bed fusion metal additive manufacturing
Amir Mostafaei,Cang Zhao,Yining He,Seyed Reza Ghiaasiaan,Bo Shi,Shuai Shao,Nima Shamsaei,Ziheng Wu,Nadia Kouraytem,Tao Sun,Joseph Pauza,Jerard V. Gordon,Bryan A. Webler,Niranjan D. Parab,Mohammadreza Asherloo,Qi Chao Guo,Lianyi Chen,Anthony D. Rollett +17 more
TL;DR: In this article , a review of common defects and anomalies in powder bed fusion metal additive manufacturing processes is presented, where the formation mechanism and practical mitigation strategies are discussed, as well as properties such as mechanical behavior and corrosion resistance of defective parts.
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Additive Manufacturing Review: Early Past to Current Practice
TL;DR: Additive manufacturing (AM) is a set of manufacturing processes that are capable of producing complex parts directly from a computer model of the part as mentioned in this paper, and it is used in many manufacturing applications.
References
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Journal ArticleDOI
Metal Additive Manufacturing: A Review
TL;DR: The state-of-the-art of additive manufacturing (AM) can be classified into three categories: direct digital manufacturing, free-form fabrication, or 3D printing as discussed by the authors.
Book
Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing
TL;DR: Gibson et al. as discussed by the authors presented a comprehensive overview of additive manufacturing technologies plus descriptions of support technologies like software systems and post-processing approaches, and provided systematic solutions for process selection and design for AM Additive Manufacturing Technologies: Rapid Prototyping to Direct Digital Manufacturing.
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A study of the microstructural evolution during selective laser melting of Ti–6Al–4V
TL;DR: In this article, the development of the microstructure of the Ti-6Al-4V alloy processed by selective laser melting (SLM) was studied by light optical microscopy.
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Laser powder-bed fusion additive manufacturing: Physics of complex melt flow and formation mechanisms of pores, spatter, and denudation zones
TL;DR: In this paper, the effect of the recoil pressure and Marangoni convection in laser powder bed fusion (L-PBF) of 316L stainless steel was demonstrated. And the results were validated against the experiments and the sensitivity to laser absorptivity was discussed.
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Residual stresses in selective laser sintering and selective laser melting
Peter Mercelis,Jean-Pierre Kruth +1 more
TL;DR: In this paper, a simple theoretical model is developed to predict residual stress distributions in selective laser sintering (SLS) and selective laser melting (SLM), aiming at a better understanding of this phenomenon.