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Lucas Schlenger

École Polytechnique Fédérale de Lausanne (EPFL)

SCHOLARLY PAPERS

8

DOWNLOADS

618

TOTAL CITATIONS

4

Scholarly Papers (8)

1.

Mitigating systematic melt pool variations in the vicinity of geometric features during the Laser Powder Bed Fusion processes

Number of pages: 30 Posted: 25 Jun 2025
École Polytechnique Fédérale de Lausanne (EPFL), Empa, Swiss Federal Laboratories for Materials Science and Technology, Empa, Swiss Federal Laboratories for Materials Science and Technology, Empa, Swiss Federal Laboratories for Materials Science and Technology, École Polytechnique Fédérale de Lausanne (EPFL), Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Swiss Federal Laboratories for Material Science and Technology (EMPA) and École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM)
Downloads 109 (669,616)

Abstract:

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LPBF, Feedforward Optimization, Numerical Simulation, Melt pool control

2.

Fast And Accurate Laser Powder Bed Fusion Metamodels Predicting Melt Pool Dimensions, Effective Laser Absorptivity And Lack Of Fusion Defects

Number of pages: 34 Posted: 28 Jan 2025
École Polytechnique Fédérale de Lausanne (EPFL), KU Leuven, Empa, Swiss Federal Laboratories for Materials Science and Technology, École Polytechnique Fédérale de Lausanne (EPFL), Empa, Swiss Federal Laboratories for Materials Science and Technology, Empa, Swiss Federal Laboratories for Materials Science and Technology, École Polytechnique Fédérale de Lausanne (EPFL), Empa, Swiss Federal Laboratories for Materials Science and Technology, Shanghai Jiao Tong University (SJTU) - School of Materials Science and Engineering, Empa, Swiss Federal Laboratories for Materials Science and Technology, Swiss Federal Laboratories for Material Science and Technology (EMPA), Empa, Swiss Federal Laboratories for Materials Science and Technology and École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM)
Downloads 108 (659,652)
Citation 1

Abstract:

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Laser Powder Bed Fusion, Numerical Simulation, Design of Experiments, Melt Pool Dimensions, Laser absorptivity, Lack of Fusion defects

3.

Healing of Keyhole Porosity by Means of Defocused Laser Beam Remelting Operando Observation by X-Ray Imaging and Acoustic Emission-Based Detection

Number of pages: 33 Posted: 21 Jul 2023
affiliation not provided to SSRN, KU Leuven, École Polytechnique Fédérale de Lausanne (EPFL), Paul Scherrer Institute (PSI), Empa, Swiss Federal Laboratories for Materials Science and Technology, Paul Scherrer Institute (PSI), University of Turku, University of Turku, Empa, Swiss Federal Laboratories for Materials Science and Technology and École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM)
Downloads 96 (709,832)
Citation 3

Abstract:

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Laser powder bed fusion, Acoustic Emission, In-Situ Monitoring, synchrotron X-ray imaging, laser remelting

4.

Experimental Quantification of Inward Marangoni Convection and its Impact on Keyhole Threshold in Laser Powder Bed Fusion of Stainless Steel

Number of pages: 33 Posted: 20 Oct 2023
Shanghai Jiao Tong University (SJTU) - School of Materials Science and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), KU Leuven, Paul Scherrer Institute (PSI), Paul Scherrer Institute (PSI), École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM) and Empa, Swiss Federal Laboratories for Materials Science and Technology
Downloads 74 (852,604)

Abstract:

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Laser powder bed fusion, In-situ synchrotron X-ray imaging, Particle tracing, Inward Marangoni convection, Keyhole threshold

5.

Monitoring of Laser-Induced Fast Recrystallization in Ss-316l Through Synchrotron X-Ray Diffraction

Number of pages: 22 Posted: 21 Nov 2023
École Polytechnique Fédérale de Lausanne (EPFL), Paul Scherrer Institute (PSI), École Polytechnique Fédérale de Lausanne (EPFL), École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM), KU Leuven, Empa, Swiss Federal Laboratories for Materials Science and Technology, affiliation not provided to SSRN, affiliation not provided to SSRN and École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM)
Downloads 67 (899,324)

Abstract:

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Laser Heat treatment (LHT), Recrystallization, In-situ X-ray diffraction, Monitoring.

6.

Hatch Return Time: A Unifying Metric for Intra-Layer Heat Accumulation in Laser Powder Bed Fusion

Number of pages: 20 Posted: 12 Dec 2025
École Polytechnique Fédérale de Lausanne (EPFL), Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, University Grenoble Alpes - Grenoble INP and École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM)
Downloads 62 (1,063,489)

Abstract:

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Laser Powder Bed Fusion, Hatch Return Time, Heat Accumulation, Thermal Imaging, numerical simulation

7.

Autonomous Exploration of the Lpbf Parameter Space: An Uncertainty-Driven Algorithm for Automated Processing Map Generation

Number of pages: 50 Posted: 28 Sep 2024
Empa, Swiss Federal Laboratories for Materials Science and Technology, École Polytechnique Fédérale de Lausanne (EPFL), Empa, Swiss Federal Laboratories for Materials Science and Technology, Empa, Swiss Federal Laboratories for Materials Science and Technology, Empa, Swiss Federal Laboratories for Materials Science and Technology, Empa, Swiss Federal Laboratories for Materials Science and Technology, affiliation not provided to SSRN, École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM), Swiss Federal Laboratories for Material Science and Technology (EMPA) and affiliation not provided to SSRN
Downloads 56 (1,000,027)

Abstract:

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Laser powder bed fusion, Unsupervised Learning, Processing Map Generation, Melting Regime Identification, Uncertainty-driven Experimentation

8.

Physics-based acoustic monitoring of keyhole regime transitions in laser powder bed fusion validated by operando synchrotron X-ray imaging

Number of pages: 35 Posted: 06 May 2026
KU Leuven, KU Leuven, École Polytechnique Fédérale de Lausanne (EPFL), Paul Scherrer Institute (PSI), University of Turku, European Synchrotron Radiation Facility (ESRF), Royal Melbourne Institute of Technology (RMIT University), University of Turku, Paul Scherrer Institute (PSI), affiliation not provided to SSRN, KU Leuven, Lawrence Livermore National Laboratory and École Polytechnique Fédérale de Lausanne (EPFL) - Laboratory of ThermoMechanical Metallurgy (LMTM)
Downloads 46 (1,236,159)

Abstract:

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Laser Powder Bed Fusion, Acoustic emission monitoring, Keyhole Dynamics, Operando Synchrotron X-ray Imaging