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Miniature laser powder bed fusion system for in situ synchrotron x-ray micro-computed tomography experiments at the European Synchrotron Radiation Facility

Article dans une revue avec comité de lecture
Author
LHUISSIER, Pierre
1043114 Science et Ingénierie des Matériaux et Procédés [SIMaP]
ccHEBRARD, Louis
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
1043114 Science et Ingénierie des Matériaux et Procédés [SIMaP]
BATAILLON, Xavier
1043114 Science et Ingénierie des Matériaux et Procédés [SIMaP]
ccLAPOUGE, Pierre
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
COSTE, Frédéric
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
ccPEYRE, Patrice
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
BOLLER, Elodie
339765 European Synchrotron Radiation Facility [Grenoble] [ESRF]
BLANDIN, Jean-Jacques
1043114 Science et Ingénierie des Matériaux et Procédés [SIMaP]
SALVO, Luc
1043114 Science et Ingénierie des Matériaux et Procédés [SIMaP]
MARTIN, Guilhem
1043114 Science et Ingénierie des Matériaux et Procédés [SIMaP]

URI
http://hdl.handle.net/10985/23188
DOI
10.1063/5.0090623
Date
2022-08
Journal
Review of Scientific Instruments

Abstract

We describe our miniature laser powder bed fusion (L-PBF) system for in situ synchrotron x-ray micro-computed tomography (XCT) at the European Synchrotron Radiation Facility. This replicator was designed to extend the characterization of L-PBF to 3D. This instrument fills in a technical gap because the existing replicators were mostly designed to shed light on the dynamic mechanisms involved in molten pool formation but, therefore, suffered from a lack of 3D information. Technical details regarding the setup and beamline integration are given. Experimental validations via post-mortem XCT scans and in situ scans acquired during experiments conducted at the BM05 beamline of the European Synchrotron Radiation Facility are provided. Based on a few illustrative examples, we show that such a replicator opens the path to collect key 3D information that to date could not be available. Our miniature instrument complements the other replicators developed in the world by other research groups that enable operando x-ray imaging (radiography) and operando x-ray diffraction.

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