Journal ArticleDOI
Influence of the post-processing operations on surface integrity of metal components produced by laser powder bed fusion additive manufacturing: a review
TLDR
In this article, the laser powder bed fusion (LPBF) additive manufacturing (AM) process is studied and the authors find ways to improve the final product quality by analyzing the process.Abstract:
As industries are increasingly adopting the laser powder bed fusion (LPBF) additive manufacturing (AM) process, it is crucial to understand the process closely and to find ways to improve the final...read more
Citations
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Journal ArticleDOI
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.
Journal ArticleDOI
Post-processing of additively manufactured metallic alloys – A review
TL;DR: In this paper , the relationship between the characteristics of different AM technologies, microstructural properties of materials in as-built and heat-treated conditions, and the physical properties influencing the response of additively manufactured materials during post-processing/finishing operations is investigated.
Journal ArticleDOI
Evolution of temperature and residual stress behavior in selective laser melting of 316L stainless steel across a cooling channel
TL;DR: In this article , the influence of the cooling channel on the thermal and residual stress behavior of the selective laser melting (SLM)316L uni-layer thermo-mechanical model was observed.
Journal ArticleDOI
Machinability of 3D printed metallic materials fabricated by selective laser melting and electron beam melting: A review
TL;DR: In this article , the machinability of 3D printed metallic parts fabricated by Selective Laser Melting (SLM) and Electron Beam Melting(EBM) technologies was investigated.
Journal ArticleDOI
Improving the surface quality and mechanical properties of selective laser sintered PA2200 components by the vibratory surface finishing process
Hamaid Mahmood Khan,Tolga Şirin,Gürkan Tarakçi,Mustafa Enes Bulduk,Mert Coşkun,Ebubekir Koç,Yusuf Kaynak +6 more
TL;DR: In this article, the physical and mechanical properties of selective laser sintered polyamide PA2200 components were improved through a vibratory surface finishing process by inducing severe plastic deformation at the outer surface layers.
References
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Journal ArticleDOI
Additive manufacturing of metals
TL;DR: In this paper, the authors describe the complex relationship between additive manufacturing processes, microstructure and resulting properties for metals, and typical microstructures for additively manufactured steel, aluminium and titanium are presented.
Journal ArticleDOI
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.
Journal ArticleDOI
Fine-structured aluminium products with controllable texture by selective laser melting of pre-alloyed AlSi10Mg powder
TL;DR: In this paper, the high thermal gradients occurring during SLM lead to a very fine microstructure with submicron-sized cells, which can be modified to a weak cube texture along the building and scanning directions when a rotation of 90° of the scanning vectors within or between the layers is applied.
Journal ArticleDOI
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.
Journal ArticleDOI
Heat treatment of Ti6Al4V produced by Selective Laser Melting: Microstructure and mechanical properties
TL;DR: In this paper, the effect of several heat treatments on the microstructure and mechanical properties of Ti6Al4V processed by Selective Laser Melting (SLM) is studied.