Results 11 to 20 of about 2,939 (187)

Electron-Optical In Situ Imaging for the Assessment of Accuracy in Electron Beam Powder Bed Fusion. [PDF]

Materials (Basel), 2021
The current study evaluates the capabilities of electron-optical (ELO) in situ imaging with respect to monitoring and prediction of manufacturing precision in electron beam powder bed fusion. Post-process X-ray computed tomography of two different as-built parts is used to quantitatively evaluate the accuracy and limitations of ELO imaging ...
Arnold C, Breuning C, Körner C.
europepmc   +5 more sources

Powder recycling for electron beam powder bed fusion of TiAl alloy

Materials & Design
This study systematically investigates the impact of powder recycling (up to 70 cycles) on Ti-48Al-2Cr-2Nb (at.%) alloy processed by electron beam powder bed fusion (EB-PBF).
Feihong Wang, Mengchen Song, Yongfeng Liang, Gengwu Ge, Xiaoyu Liang, Feng Lin, Honghui Wu, Dongfang Wang, Wenbin Kan, Li Liu, Junpin Lin   +10 more
doaj   +2 more sources

Microstructure and Hardness of Ti-6242 Alloy Fabricated by Electron Beam Powder Bed Fusion and Laser Powder Bed Fusion Methods [PDF]

Journal of Advanced Materials in Engineering
Introduction and Objectives: Ti-6Al-2Sn-4Zr-2Mo (Ti6242) alloy is a near-alpha titanium alloy widely used in biomedical, automobile, and aviation industries, known for having a high service temperature.
Amir Hossein Emami Ghalehghasemi, Abolfazl Azadi, Behzad Niroumand, Manuela Galati, Abdollah Saboori   +4 more
doaj   +2 more sources

Extracting powder bed features via electron optical images during electron beam powder bed fusion

Additive Manufacturing Letters
Electron beam powder bed fusion offers the unique opportunity to observe the process by measuring scattered electrons on a metal detector. This technique is the state of the art in generating electron optical images of the build area after melting using ...
Matthias Markl, Mohammad Reza Azadi Tinat, Timo Berger, Jakob Renner, Carolin Körner   +4 more
doaj   +2 more sources

A Ray Tracing Model for Electron Optical Imaging in Electron Beam Powder Bed Fusion

Journal of Manufacturing and Materials Processing, 2023
The recent success of the process monitoring method Electron Optical Imaging, applied in the additive manufacturing process Electron Beam Powder Bed Fusion, necessitates a clear understanding of the underlying image formation process.
Jakob Renner, Julian Grund, Matthias Markl, Carolin Körner   +3 more
doaj   +3 more sources

Quasi-Static Tensile Properties of Unalloyed Copper Produced by Electron Beam Powder Bed Fusion Additive Manufacturing. [PDF]

Materials (Basel), 2021
Tarafder P, Rock C, Horn T.
europepmc   +2 more sources

Process Developments in Electron-Beam Powder Bed Fusion Enabled by Near-Infrared Radiation

Journal of Manufacturing and Materials Processing
The use of an electron beam (EB) as a heating source in EB-based powder bed fusion (PBF-EB) has several limitations, such as reduced powder recyclability, short machine service intervals, difficulties with heating large areas and the limited ...
William Sjöström, Lars-Erik Rännar, Carlos Botero, Laia Ortiz Membrado   +3 more
doaj   +5 more sources

Processing condition dependency of increased layer thickness on surface quality during electron beam powder bed fusion

Journal of Materials Research and Technology, 2023
The energy beam and powder layer interaction influences the dynamic melt behavior and determines the surface quality in electron beam powder bed fusion (PBF-EB).
Yufan Zhao, Kenta Aoyagi, Kenta Yamanaka, Akihiko Chiba   +3 more
doaj   +1 more source

Data related to architectural bone parameters and the relationship to Ti lattice design for powder bed fusion additive manufacturing

Data in Brief, 2021
The data included in this article provides additional supporting information on our publication (McGregor et al. [1]) on the review of the natural lattice architecture in human bone and its implication towards titanium (Ti) lattice design for laser ...
Martine McGregor, Sagar Patel, Stewart McLachlin, Mihaela Vlasea   +3 more
doaj   +1 more source

Dry powder coating in additive manufacturing

Frontiers in Chemical Engineering, 2022
Dry powder coating is used in many industries to tailor the bulk solid characteristics of cohesive powders. Within this paper, the state of the art of dry coating of feedstock materials for powder based additive manufacturing (AM) processes will be ...
Jochen Schmidt, Jochen Schmidt, Wolfgang Peukert, Wolfgang Peukert   +3 more
doaj   +1 more source