Results 111 to 120 of about 13,742 (229)

Marshall Space Flight Center Research and Technology Report 2019 [PDF]

Today, our calling to explore is greater than ever before, and here at Marshall Space Flight Centerwe make human deep space exploration possible. A key goal for Artemis is demonstrating and perfecting capabilities on the Moon for technologies needed for ...
Dankanich, John W., Morris, Heather C.
core   +1 more source

Processability of K340 Cold Work Tool Steel by Directed Energy Deposition Technique [PDF]

Directed Energy Deposition (DED) is an additive manufacturing process which can be used to repair defected components, such as blanking dies made of K340 tool steel.
Biamino, S, Gobber, FS, Kenevisi, MS, Martelli, PA, Ugues, D   +4 more
core   +1 more source

Correction to: Directed Energy Deposition (DED) Process: State of the Art [PDF]

International Journal of Precision Engineering and Manufacturing-Green Technology, 2021
openaire   +1 more source

Enhanced mechanical properties and deformation mechanisms in DED Inconel 625 via printing path switching

Materials Research Letters
In this work, the effects of printing path switching (0° and 90°) at high linear energy density on the grain structure transition and mechanical properties of directed energy deposition-arc (DED-Arc) Inconel 625 alloys were explored.
J.Y. Li, Jiajia Shen, S.Y. Yuan, W. Dong, Y. Cheng, Y.H. Zhao, J.P. Oliveira, Y. Zhang, K.H. Wang   +8 more
doaj   +1 more source

Dilution-induced compositional transformation and mechanical degradation in multi-material directed energy deposition

Materials Research Letters
Multi-material additive manufacturing enables the integration of dissimilar materials to create heterostructured materials with multifunctional properties.
Shubo Gao, Peng Chen, Jun Feng Low, Youxiang Chew   +3 more
doaj   +1 more source

Geological and environmental resources investigations in Egypt using LANDSAT images [PDF]

There are no author-identified significant results in this ...
Abdel-Hady, M. A.
core   +1 more source

Microstructure and Mechanical Property of Thin-Walled Inconel 718 Parts Fabricated by Ultrasonic-Assisted Laser-Directed Energy Deposition

Crystals
Laser-directed energy deposition (DED) offers significant potential for the additive manufacturing of thin-walled Inconel 718 aerospace components. However, the structural defects readily formed during deposition, along with the extensive precipitation ...
Bo Peng, Xiaoqiang Zhang, Mengmeng Zhang, Ze Chai, Fahai Ba, Xiaoqi Chen   +5 more
doaj   +1 more source

Mechanical testing and microstructural analysis of wire laser beam directed energy deposited steel plates

Materials & Design
Wire laser beam directed energy deposition, referred to herein as DED-LB, has emerged as a key technology in additive manufacturing, enabling the efficient and cost-effective production of large-scale components.
Wenxuan Hong, Pinelopi Kyvelou, Ruizhi Zhang, Leroy Gardner   +3 more
doaj   +1 more source

An overview of Ni-based superalloy 718 fabricated via arc-based directed energy deposition [PDF]

This activity has received funding from the European Institute of Innovation and Technology (EIT) Raw Materials through the project Smart WAAM: Microstructural Engineering and Integrated Non-Destructive Testing.
dos Santos, Telmo Jorge Gomes, Duarte, Valdemar Rebelo, Farias, Francisco Werley Cipriano, Oliveira, João Pedro, Payão Filho, João da Cruz   +4 more
core   +1 more source

Additive Manufacturing of Liquid Rocket Engine Combustion Devices: A Summary of Process Developments and Hot-Fire Testing Results [PDF]

Additive Manufacturing (AM) is an emerging technology with a focus on complex metallic component fabrication: Enables complex shapes and internal features that were not possibly with traditional manufacturing techniques, and significant schedule and ...
Bullard, Brad, Buzzell, James, Cooper, Ken, Garcia, Chance, Gradl, Paul, Greene, Sandy, Hulka, James, Osborne, Robin, Protz, Chris, Wood, Jessica   +9 more
core   +4 more sources