Results 21 to 30 of about 129,828 (304)

Atomic-scale grain boundary engineering to overcome hot-cracking in additively-manufactured superalloys [PDF]

, 2019
There are still debates regarding the mechanisms that lead to hot cracking in parts build by additive manufacturing (AM) of non-weldable Ni-based superalloys.
Abed, Stéphane, Blandin, Jean-Jacques, Chauvet, Edouard, da Silva, Alisson Kwiatkowski, Dendievel, Rémy, Gault, Baptiste, He, Junyang, Kontis, Paraskevas, Martin, Guilhem, Peng, Zirong, Raabe, Dierk, Tassin, Catherine   +11 more
core   +2 more sources

Численное моделирование электронно-лучевого плавления и оценка КПД электронного луча [PDF]

, 2018
В работе предложена численная модель процесса плавления порошков титановых сплавов в условиях селективного электронно-лучевого сплавления. Приводится сравнение результатов моделирования с экспериментальными данными по сплавлению порошков сплава ВТ6 ...
Криницын, Максим Германович, Черепанов, Роман Олегович   +1 more
core   +1 more source

Transient Physical Effects in Electron Beam Sintering [PDF]

, 2006
The extensive use of the electron beam in manufacturing processes like welding or perforating revealed the high potentials for also using it for solid freeform fabrication. First approaches like feeding wire into a melt pool have successfully shown the
Lutzmann, S., Sigl, M., Zaeh, M. F.
core   +1 more source

Phase field simulation of dendritic microstructure in additively manufactured titanium alloy [PDF]

, 2019
Additive manufacturing (AM) processes for metals, such as selective laser sintering and electron beam melting, involve rapid solidification process. The microstructure of the fabricated material and its properties strongly depend on the solidification ...
Meng, Lingbin, Wu, Linmin, Zhang, Jing, Zhang, Yi   +3 more
core   +1 more source

Investigation of the Effect of the Electron-Beam Crucible Zone Melting of Metallurgical Silicon on Refining and Structure Formation of Ingots

Фізика і хімія твердого тіла, 2018
The paper presents the results of studies obtained with the development of the technology of electron-beam crucible impregnation of metallurgical silicon.
O. R. Gokhman, Yu. A. Asnis, N. V. Piskun, O. A. Velykoivanenko, G. F. Rozynka, A. S. Milenin, V. M. Babych   +6 more
doaj   +1 more source

Microstructure and mechanical behaviour of additive manufactured Ti–6Al–4V parts under tension [PDF]

EPJ Web of Conferences, 2019
Metal-based additive manufacturing technologies using electron or laser beams as a heat source for melting a metal powder or wire have been the subject of keen interest in recent years.
Panin Alexey, Kazachenok Marina, Kolmakov Alexey, Chizhik Sergey, Heifetz Mikhail, Chugui Yuri   +5 more
doaj   +1 more source

Microstructure and Mechanical Properties of Ti-6Al-4V Fabricated by Electron Beam Melting

Crystals, 2020
Electron beam melting technique is a kind of near-net shaping, environmentally friendly metal additive manufacturing technique, which can form high-performance metal parts with complex shapes.
Jiangtao Ran, Fengchun Jiang, Xiaojing Sun, Zhuo Chen, Cao Tian, Hong Zhao   +5 more
doaj   +1 more source

Microstructure and hardness comparison of as-built inconel 625 alloy following various additive manufacturing processes

Results in Materials, 2021
Experimental examples of as-built microstructures and associated microindentation hardnesses (HV) for a wide range of metal additive manufacturing (AM) processes for Inconel 625 alloy are presented in this research paper.
Ariel Gamon, Edel Arrieta, Paul R. Gradl, Colton Katsarelis, Lawrence E. Murr, Ryan B. Wicker, Francisco Medina   +6 more
doaj   +1 more source

Additive Manufacturing Processes: Selective Laser Melting, Electron Beam Melting and Binder Jetting-Selection Guidelines. [PDF]

Materials (Basel), 2017
Gokuldoss PK, Kolla S, Eckert J.
europepmc   +2 more sources

The formation of boundary clinopyroxenes and associated glass veins in type B1 CAIs [PDF]

, 2009
We used focused ion beam thin section preparation and scanning transmission electron microscopy (FIB/STEM) to examine the interfacial region between spinel and host melilite for spinel grains in type B1 inclusions from the Allende and Leoville ...
Abreu, Armstrong, Bacon, Barber, Barber, Beckett, Beckett, Beckett, Bernatowicz, Bleiner, Blum, Blum, Bradley, Caillet, Caillet, Cain, Campbell, Clayton, Connolly, Connolly, Connolly, Croat, Daulton, Daulton, Fahey, Floss, Fransolet, Gaetani, Giannuzzi, Giannuzzi, Goresy, Gray, Greshake, Grossman, Grossman, Grossman, Heaney, Hill, Ireland, Ito, Keller, Keller, Kennedy, Kieffer, Komorowski, Kuehner, Kurat, Lee, Lin, Lin, Lundstrom, MacPherson, MacPherson, MacPherson, Marvin, Mendybaev, Nakamura, Nguyen, Obst, Overwijk, Palme, Paque, Paque, Paque, Peters, Prenitzer, Reid, Richter, Richter, Richter, Rives, Simon, Simon, Simon, Simon, Stolper, Stolper, Streck, Stroud, Sylvester, Vidal, Weber, Wei, Wirth   +83 more
core   +1 more source