Results 181 to 190 of about 2,827 (204)

Electron-optical observation of smoke evolution during electron beam powder bed fusion

Additive Manufacturing, 2023
Jihui Ye, Jakob Renner, Carolin Körner   +2 more
exaly   +2 more sources

Electron Beam Powder Bed Fusion

2020
Electron beam powder bed fusion (EPBF) is a process in which an electron beam is used to scan a powder bed. In order to comprehend beam-powder bed interactions and the role of various process parameters such as scan speed and beam power, it is essential to know how a beam is generated and manipulated.
openaire   +1 more source

Electron Beam Powder Bed Fusion Process

2020
<div class="section abstract"> <div class="htmlview paragraph">This specification establishes process controls for the repeatable production of aerospace parts by Electron Beam Powder Bed Fusion (EB-PBF). It is intended to be used for aerospace parts manufactured using additive manufacturing (AM) metal alloys, but usage is not limited to ...
openaire   +1 more source

Quantifying Trapped Powder in Electron Beam Powder Bed Fusion

Volume 1: Additive Manufacturing; Advanced Materials Manufacturing; Biomanufacturing; Life Cycle Engineering
Abstract Electron beam powder bed fusion (PBF-EB) shows great potential for manufacturing complex parts including those with internal cavities for heat exchanger, manifold systems, or energy absorption purposes. PBF-EB allows for the manufacture of channel geometries without the need for support structures.
Brian Johnstone, Caroline Massey, Mat Lewis, William Huggins, Kyle Saleeby, Christopher Saldaña   +5 more
openaire   +1 more source

Electron Beam Powder Bed Fusion of Refractory Metals

Euro PM2024 Proceedings
For refractory metals additive manufacturing of near net shape parts represents an attractive opportunity, in particular for complex geometries. The combination of high melting point, thermal conductivity and brittleness represents a challenge for fusion processes.
A. Kirchner, U. Gaitzsch, D. Dorow-Gerspach, B. Distl, M. Franke-Jurisch, C. Zhong, T. Weißgärber   +6 more
openaire   +1 more source

Impact of Beam Characteristics in Electron Beam Powder Bed Fusion

Als wichtiger Teil der additiven Fertigungstechnologien strebt das pulverbettbasierte Schmelzen mittels Elektronenstrahl (PBF-EB) zu einem weitreichenderen industriellen Einsatz. Einige einzigartige Möglichkeiten, wie beispielsweise die Verarbeitung bei hohen Temperaturen, die Vakuumatmosphäre, innovative Schmelzstrategien durch trägheitsfreie ...
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The impact of Ti6Al4V powder reuse on the quality of electron beam powder bed fusion parts

Progress in Additive Manufacturing
The electron beam powder bed fusion (PBF-EB) process has several advantages typical of additive manufacturing. However, at the end of the process, a large amount of powder is left that needs to be disposed of. Therefore, reusing powder for several build jobs may represent an interesting opportunity in the context of sustainable manufacturing.
Borrelli R., Bellini C., Berto F., Di Cocco V., Foti P., Iacoviello F., Mocanu L. P., Pirozzi C., Razavi N., Franchitti S.   +9 more
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Investigation of the Smoke Phenomenon in Electron Beam Powder Bed Fusion

Electron Beam Powder Bed Fusion (PBF-EB) has demonstrated significant potential for manufacturing complex metal parts due to its unique capabilities, including high productivity, minimal contamination, and high process temperature. However, the PBF-EB process is still in its early stages of development and faces substantial challenges.
openaire   +2 more sources

Influence of focus offset on the microstructure of an intermetallic γ-TiAl based alloy produced by electron beam powder bed fusion

Journal of Manufacturing Processes, 2023
Helmut Clemens, Sara Biamino
exaly