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Nicholas P. Calta

Lawrence Livermore National Laboratory

P.O. Box 808

Livermore, CA 94551

United States

SCHOLARLY PAPERS

5

DOWNLOADS

403

TOTAL CITATIONS
Rank 36,386

SSRN RANKINGS

Top 36,386

in Total Papers Citations

34

Scholarly Papers (5)

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 104 (669,616)

Abstract:

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LPBF, Feedforward Optimization, Numerical Simulation, Melt pool control

2.

A Microstructure Sensitive Digital Twin for Powder Bed Fusion Process Monitoring and Optimization

Number of pages: 19 Posted: 04 Mar 2024
Johns Hopkins University - Department of Materials Science and Engineering, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory and Johns Hopkins University - Department of Materials Science and Engineering
Downloads 92 (730,864)

Abstract:

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additive manufacturing, digital twin, process monitoring, microstructure engineering, laser powder bed fusion

3.

Real-Time Tracking and Analysis of Gas Bubble Dynamics in Laser Powder Bed Fusion Using In-Situ X-Ray Characterization and Machine Learning

Number of pages: 34 Posted: 11 Mar 2025
Stanford University - SLAC National Accelerator Laboratory, Stanford University - SLAC National Accelerator Laboratory, Stanford University - SLAC National Accelerator Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Stanford University, Stanford University, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory and Stanford University - SLAC National Accelerator Laboratory
Downloads 77 (823,616)

Abstract:

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In-situ X-ray Imaging, Machine Learning, Real-time Tracking, Pore Dynamics, Laser Powder Bed Fusion (LPBF)

4.

Melt Pool Dynamics and Microstructure of Mg Alloy WE43 Under Laser Powder Bed Fusion Additive Manufacturing Conditions

Number of pages: 29 Posted: 17 Jan 2022
University of California, Davis, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, ETH Zürich - Laboratory of Metal Physics and Technology, Stanford University - Stanford Synchrotron Radiation Lightsource, Stanford University - SLAC National Accelerator Laboratory, Stanford University - SLAC National Accelerator Laboratory, Lawrence Livermore National Laboratory - Materials Science Division, Lawrence Livermore National Laboratory - Materials Science Division, Stanford University - Stanford Synchrotron Radiation Lightsource, Stanford University - SLAC National Accelerator Laboratory, Stanford University - SLAC National Accelerator Laboratory, University of Colorado at Boulder - Department of Chemical and Biological Engineering, Lawrence Livermore National Laboratory, ETH Zürich - Laboratory of Metal Physics and Technology, University of California, Davis and Lawrence Livermore National Laboratory
Downloads 66 (907,769)
Citation 34

Abstract:

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Additive Manufacturing, Magnesium alloys, melt pool dynamics, laser powder bed fusion, X-ray Imaging, solidification, phase diagrams, microstructure

5.

Detecting Defective Struts in Metallic Micro-Lattices Using High Speed Melt Pool Thermal Monitoring

Number of pages: 16 Posted: 07 Oct 2022
Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory and Lawrence Livermore National Laboratory
Downloads 64 (924,743)

Abstract:

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Additive manufacturing, Laser Powder Bed Fusion, in situ monitoring, process monitoring, metallic micro-lattice, defect detection, selective laser melting