Laser Welding of AISI 316L Stainless Steel Produced by Additive Manufacturing or by Conventional Processes

Autor: Morgane Mokhtari, Pierrick Pommier, Yannick Balcaen, Joel Alexis

Publikováno v: Journal of Manufacturing and Materials Processing, Vol 5, Iss 4, p 136 (2021)

Among all the additive manufacturing techniques, Laser Powder Bed Fusion (LBPF), also called Selective Laser Melting (SLM), is the most common technique due to its high capability of building complex parts with generally improved mechanical propertie

Externí odkaz: https://doaj.org/article/5b7dc24a7b4743239c87078c6392c8e0

Investigations of powder reusing on microstructure and mechanical properties of Inconel 718 obtained by additive manufacturing

Autor: Josiane Nguejio, Elie Paccou, Eric Bauster, Morgane Mokhtari, Williams Lefebvre, S. Boileau, Xavier Sauvage, P. Babillot, Clément Keller, Pierre Bernard

Publikováno v: Materials Science and Engineering: A
Materials Science and Engineering: A, Elsevier, 2021, 828, pp.142113. ⟨10.1016/j.msea.2021.142113⟩
Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing
Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing, Elsevier, 2021, ⟨10.1016/j.msea.2021.142113⟩
Materials Science and Engineering: A, 2021, 828, pp.142113. ⟨10.1016/j.msea.2021.142113⟩

International audience; Laser powder bed fusion, largely employed for additive manufacturing, induces after each batch a large quantity of remaining powder. This study focuses on the possibility to reuse this remaining powder after a large number of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e4dd793f227a2f1bbeb567ae8205a27
https://hal.archives-ouvertes.fr/hal-03467518

In situ observation of liquid metal dealloying and etching of porous FeCr by X-ray tomography and X-ray diffraction

Autor: Hidemi Kato, Takeshi Wada, Christophe Le Bourlot, Anne Bonnin, Pierre-Antoine Geslin, Morgane Mokhtari, Jannick Duchet-Rumeau, Jerome Adrien, Wolfgang Ludwig, Eric Maire

Publikováno v: Materialia
Materialia, Elsevier, 2021, 18, pp.101125. ⟨10.1016/j.mtla.2021.101125⟩
Materialia, Elsevier, In press, ⟨10.1016/j.mtla.2021.101125⟩

International audience; A liquid metal dealloying mechanism is investigated in situ using X-ray tomography and X-ray diffraction. While immersing a FeCrNi precursor alloy in a molten Mg bath, a selective dissolution of Ni atoms into the Mg bath occur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b95d1baf0935387b034e4ac692d31e5
https://doi.org/10.1016/j.mtla.2021.101125

Effect of grain boundary grooves at the crystal/melt interface on impurity accumulation during the unidirectional growth of multicrystalline silicon

Autor: Satoshi Uda, Jun Nozawa, Haruhiko Koizumi, Morgane Mokhtari, Kozo Fujiwara

Publikováno v: Scripta Materialia. 117:73-76

Impurity accumulation at the grain boundaries in multicrystalline Si (mc-Si) was investigated by in situ observation of the crystal/melt interface, analysis of the grain boundary characteristics, and measurement of impurity concentrations. The impuri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b8cc87b2e686f76c84fac88844b8b33
https://doi.org/10.1016/j.scriptamat.2016.02.027

Cold-rolling influence on microstructure and mechanical properties of NiCr-Ag composites and porous NiCr obtained by liquid metal dealloying

Autor: Takeshi Wada, Christophe Le Bourlot, Sylvain Dancette, Eric Maire, Jannick Duchet-Rumeau, Jérôme Adrien, Hidemi Kato, Morgane Mokhtari

Publikováno v: Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2017, 707, pp.251-256. ⟨10.1016/j.jallcom.2016.12.105⟩

International audience; To obtain anisotropic nanoporous NiCr, some NiCr-Ag composites were prepared using a liquid metal dealloying method and were cold rolled before etching. While immersing (Ni90Cr10)60Cu40 precursors in a molten Ag bath, Cu atoms

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79ddea6d820d427751ac34090a586f14
https://hal.archives-ouvertes.fr/hal-01537659