A Cu‐based crystal‐glass composite with high‐density twins is identified by a fast screening technique using combinatorial sputtering together with XRD and nanoindentation mapping. This bamboo‐like structure demonstrates homogenous plastic flow and retains high strength during in situ high temperature tests, up to 1 GPa at 550°C, owing to those ...
Chunhua Tian +10 more
wiley +1 more source
The Effect of Process Parameters on the Temperature and Stress Fields in Directed Energy Deposition Inconel 690 Alloy. [PDF]
Liu C, Zhan Y, Zhao H, Shang S, Liu C.
europepmc +1 more source
Understanding Residual Stress in Functionally Graded Directed Energy Deposition
Shenliang Yang +2 more
openaire +1 more source
Pulsed directed energy deposition-arc technology for depositing stainless steel 309L: Microstructural, elements distribution, and mechanical characteristics. [PDF]
R M, M D BK, N BM, S N, N A, M M, K GK.
europepmc +1 more source
Impact of Conventional and Laser-Assisted Machining on the Microstructure and Mechanical Properties of Ti-Nb-Cr-V-Ni High-Entropy Alloy Fabricated with Directed Energy Deposition. [PDF]
Jeong HI +4 more
europepmc +1 more source
Defect detection by multi-axis infrared process monitoring of laser beam directed energy deposition. [PDF]
Herzog T +5 more
europepmc +1 more source
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Magnetically assisted directed energy deposition
Journal of Materials Processing Technology, 2021Abstract Poor powder catchment efficiency, is a limiting factor in the adoption of Directed Energy Deposition for the processing of expensive materials, complex shapes and for the sake of energy efficiency. This study demonstrates a novel approach to improve powder catchment efficiency using a magnetic field to direct ferritic steel powder during ...
Peter H. Smith +4 more
openaire +1 more source
Directed Energy Deposition (DED) is a method for melting material as it is being deposited layer-by-layer. Material in wire or powder form is delivered along with the energy required to melt it. Although it has been shown that a number of material types can be processed this way, DED is almost exclusively applied to metals in both research and ...
Ian Gibson +3 more
openaire +2 more sources
AbstractThis article focuses on the directed-energy deposition (DED) additive manufacturing (AM) technique of biomedical alloys. First, it provides an overview of the DED process. This is followed by a section describing the design and development of the multiphysics computational modeling of the layer-by-layer fusion-based DED process.
Mohan Sai Kiran Kumar Yadav Nartu +7 more
openaire +1 more source
Directed energy deposition of molybdenum
International Journal of Refractory Metals and Hard Materials, 2019Abstract Two directed energy deposition processes were evaluated for additive manufacturing of molybdenum. First, a laser-based process was used to deposit plasma spheroidized molybdenum powder. The effects of laser power, substrate temperature, and substrate composition on deposition quality were explored.
John L. Johnson, Todd Palmer
openaire +1 more source

