Zobrazeno 1 - 10 of 136 pro vyhledávání: '"Rémy Fabbro"'
2
Combination of Eulerian and ray-tracing approaches for copper laser welding simulation
Autor: Julien Daligault, Morgan Dal, Cyril Gorny, Frédéric Coste, Rémy Fabbro
Publikováno v: Journal of Laser Applications. 34:042042
Laser welding of pure copper and its alloys is a challenging process with a growing industrial interest due to the latest development in the field of electric mobility. The difficulties are mainly related to the material's high thermal conductivity a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7d48807b4500a5fe76e6ec9428e80a03
https://doi.org/10.2351/7.0000786
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3
Scaling laws for the laser welding process in keyhole mode
Autor: Rémy Fabbro
Publikováno v: Journal of Materials Processing Technology
Journal of Materials Processing Technology, Elsevier, 2019, 264, pp.346-351. ⟨10.1016/j.jmatprotec.2018.09.027⟩
International audience; This study shows that the keyhole model derived for determining the scaling laws of keyhole depths for laser welding when high power incident laser beams are used (typically in the multi-kW incident power range), can be also a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::824e0b9672a4afee2ae770831e842a8e
https://doi.org/10.1016/j.jmatprotec.2018.09.027
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4
Beam size dependency of a laser-induced plasma in confined regime: Shortening of the plasma release. Influence on pressure and thermal loading
Autor: Laurent Berthe, Christophe Simon-Boisson, Olivier Casagrande, Laurent Videau, Rémy Fabbro, Olivier Castelnau, Selen Ünaldi, Alexandre Rondepierre, Yann Rouchausse, Hervé Besaucele
Publikováno v: Optics and Laser Technology
Optics and Laser Technology, Elsevier, 2021, 135, ⟨10.1016/j.optlastec.2020.106689⟩
Optics and Laser Technology, 2021, 135, ⟨10.1016/j.optlastec.2020.106689⟩
Processes using laser-shock applications, such as Laser Shock Peening or Laser Stripping require a deep understanding of both mechanical and thermal loading applied. We hereby present new experimental measurements of the plasma pressure release regar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bae7e4de4a9a20ea1ebb933e234bafd
https://hdl.handle.net/10985/19573
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5
Influence of gas atmosphere (Ar or He) on the laser powder bed fusion of a Ni-based alloy
Autor: Matthieu Schneider, Frédéric Coste, C. Charpentier, Patrice Peyre, Imade Koutiri, Socona Traore, Rémy Fabbro, P. Lefebvre
Publikováno v: Journal of Materials Processing Technology
Journal of Materials Processing Technology, Elsevier, 2021, 288, pp.1-18. ⟨10.1016/j.jmatprotec.2020.116851⟩
International audience; The gaseous atmosphere plays a major role in the quality of the manufactured parts in Laser Powder Bed Fusion (L-PBF) by protecting the metal from high temperature oxidation. If argon and nitrogen are the most commonly used ga
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a54b75a097dc64040dd85dfbb67e07d5
https://hdl.handle.net/10985/19218
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6
Transient dynamics and stability of keyhole at threshold in laser powder bed fusion regime investigated by finite element modeling
Autor: Yaasin A. Mayi, Rémy Fabbro, Morgan Dal, Patrice Peyre, Michel Bellet, Clara Moriconi, Charlotte Metton
Publikováno v: Journal of Laser Applications
Journal of Laser Applications, Laser Institute of America, 2021, 33 (1), pp.1-10. ⟨10.2351/7.0000330⟩
A Finite element model is developed with a commercial code to investigate the keyhole dynamics and stability at keyhole threshold, a fusion regime characteristic to laser microwelding or to Laser Powder Bed Fusion. The model includes relevant physics
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a94d9ca52a34a6e7ec70a1144f1c747
https://hal.archives-ouvertes.fr/hal-03160606
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7
Influence of beam diameter on Laser Powder Bed Fusion (L-PBF) process
Autor: Frédéric Coste, Zehoua Hadjem-Hamouche, Thibaut de Terris, M.C. Sow, Olivier Castelnau, Patrice Peyre, Rémy Fabbro
Publikováno v: Additive Manufacturing
Additive Manufacturing, Elsevier, 2020, 36, pp.1-11. ⟨10.1016/j.addma.2020.101532⟩
International audience; The use of large beams in the Laser Powder Bed Fusion (L-PBF) process has been receiving increasing attention for the past few years and may widen the dissemination of this technology in the industry, as well as help increase
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a14a3c580e1c4b95493a6236aced4cd
https://hal.archives-ouvertes.fr/hal-02966685/document
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8
Laser-induced plume investigated by finite element modelling and scaling of particle entrainment in laser powder bed fusion
Autor: Rémy Fabbro, Morgan Dal, Michel Bellet, Yaasin A. Mayi, Clara Moriconi, Charlotte Metton, Patrice Peyre
Publikováno v: Journal of Physics D: Applied Physics
Journal of Physics D: Applied Physics, IOP Publishing, 2019, 53, pp.075306. ⟨10.1088/1361-6463/ab5900⟩
Although metal vaporisation has been observed in several laser processes such as drilling or welding, vapour plume expansion and its induced side effects are not fully understood. Especially, this phenomenon is garnering scientific and industrial int
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af84b5aed9b82f25530a54958a1e14c5
https://hal-mines-paristech.archives-ouvertes.fr/hal-02462496/document
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9
Laser based method for surface tension and density measurements for liquid refractory metals (Nb, Ta, and W)
Autor: Matthieu Schneider, R. Bolis, Morgan Dal, Rémy Fabbro, Frédéric Coste
Publikováno v: Journal of Laser Applications
Journal of Laser Applications, Laser Institute of America, 2019, 31 (2), pp.Article number 022604. ⟨10.2351/1.5096138⟩
The increase of process simulations in industry leads to the need of accurate knowledge of material thermal properties. As the determination of liquid metal properties is quite difficult, this article presents an experimental setup and a technique to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc11bbe0309d5540a06146440c7d81ee
https://hal.archives-ouvertes.fr/hal-02164822/document
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