Results 221 to 230 of about 21,275 (282)

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

Optimized Heat Treatment for Electron Beam Powder Bed Fusion Processed IN718: Correlating Microstructure, Texture, and Mechanical Properties

Advanced Engineering Materials
This study investigates the microstructure and mechanical properties of Inconel 718 (IN718) manufactured via electron beam melting (EBM). The EBM‐processed IN718 exhibits a unique grain structure with columnar grains along the build direction (BD) and ...
R. J. Vikram, Alexander Kirchner, B. Klöden, S. Suwas   +3 more
semanticscholar   +1 more source

Mechanical and Fatigue Performance of Porous Tantalum Scaffolds with Composite Pore Structures Fabricated via Electron Beam Powder Bed Fusion

Advanced Engineering Materials
Porous tantalum scaffolds with composite pore structures, combining cubic and dodecahedron unit cells, are designed and fabricated using electron beam powder bed fusion.
Yu Guo, Huixia Li, Xin Bi, Yicheng Bai, Jianling Liu, Chao Chen, Kechao Zhou   +6 more
semanticscholar   +1 more source

Hybrid Additive Manufacturing of a Ti–6Al–4 V (Electron Beam‐Powder Bed Fusion) and a AISI 316 L (Laser Beam‐Powder Bed Fusion) via Dissimilar Transient Liquid Phase Bonding

Advanced Engineering Materials
Present study investigates a hybrid additive manufacturing strategy using transient liquid phase bonding (TLP) to join a laser beam powder bed–fused AISI 316 L with an electron beam powder bed–fused Ti–6Al–4 V utilizing a copper interlayer.
Negar Pakdaman, Hamidreza Ghorbani, Fatemeh Mirzaei, Masoud Atapour, A. Saboori, L. Iuliano   +5 more
semanticscholar   +1 more source

Study on Microstructural Evolution and Mechanical Properties of Electron Beam Powder Bed Fusion GH3536 at Different Preheating Temperatures

Materials Science
This study investigates the influence mechanism of preheating temperature on the microstructure and mechanical properties of GH3536 alloy in the electron beam powder bed fusion process, selecting t wo preheating conditions: 850˚C and 1000˚C.
林彪 宋
semanticscholar   +1 more source

Tailored temperature field of dashed scanning in electron beam powder bed fusion for Ti6Al4V alloys

International Conference on Mechanical Engineering, Intelligent Manufacturing, and Mechatronics
Electron beam powder bed fusion (PBF-EB) with high energy utilization is a metal additive manufacturing technique, limited by unsatisfactory surface qualities originated from the staircase effect of heat accumulation. In order to improve product quality,
Haojie He, Zhuobing Mo, Caimin Huang, Haijie Fang, Hailang Liu, Zhao Lu, Zhiguo Peng, Ting Luo   +7 more
semanticscholar   +1 more source

Micromechanical Characterization of 316L‐V4E Steel Transitions Produced by Electron Beam Powder Bed Fusion with Dual‐Hopper Alternating Layer Strategy

Advanced Engineering Materials
This work investigates microstructural and mechanical transitions in multi‐material assemblies of American iron and steel institute 316L stainless steel and V4E tool steel, fabricated using a dual‐hopper layer alternation strategy via electron beam ...
L. Ortiz-Membrado, William Sjöström, Francesc Barbera Flichi, Carlos Botero, Anton S. Tremsin, Antonio Mateo, Emilio Jiménez-Piqué   +6 more
semanticscholar   +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 ...
openaire   +2 more sources

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

Additive Manufacturing, 2023
Jihui Ye, Jakob Renner, Carolin Körner, Zongwen Fu   +3 more
openaire   +1 more source

Fundamental Investigation of Electron-Optical Process Monitoring in Electron Beam Powder Bed Fusion

2023
Electron beam powder bed fusion (PBF-EB) is a high-power additive manufacturing technology for the efficient processing of complex metallic materials. The process characteristics like high-temperature and high-vacuum conditions render it suitable for the production of parts in highly demanding industries, e.g., aerospace or the medical technology ...
openaire   +1 more source