Index Catalog // MDR

Description/Abstract:: Various defects are produced during laser powder bed fusion (L-PBF) process, and can affect the quality of the fabricated part. Past stud...
Keyword:: discrete-element method, laser powder bed fusion, multiphysics CFD simulation, packing fraction, packing homogeneity, particle size, and powder spreading
Resource Type:: Article
Author:: Jun Katagiri, Sukeharu Nomoto, Masahiro Kusano, and Makoto Watanabe
Journal:: Journal of Manufacturing and Materials Processing
Date Uploaded:: 05/04/2024

Description/Abstract:: Solute segregation significantly affects material properties and is a critical issue in the laser powder-bed fusion (LPBF) additive manuf...
Keyword:: Computational thermal-fluid dynamics simulation, Hastelloy-X nickel-based superalloy, Laser powder-bed fusion, Phase-field method, and Solute element segregation
Resource Type:: Article
Author:: Masayuki Okugawa, Kenji Saito, Haruki Yoshima, Katsuhiko Sawaizumi, Sukeharu Nomoto, Makoto Watanabe, Takayoshi Nakano, and Yuichiro Koizumi
Journal:: Additive Manufacturing
Date Uploaded:: 02/04/2024

Description/Abstract:: Melt pool dimensions (depth: <i>D</i> and width: <i>W</i>) are strongly correlated with defects generated in laser powder bed fusion. The...
Keyword:: Fresnel laser reflection model, Laser powder bed fusion, Melt pool shape, Multi-physics CFD simulation, Mushy zone flow resistance, and Recoil pressure
Resource Type:: Article
Author:: Jun Katagiri, Masahiro Kusano,, Sukeharu Nomoto, and Makoto Watanabe
Journal:: Case Studies in Thermal Engineering
Date Uploaded:: 10/10/2023
Date Modified:: 10/10/2023

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