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Filtering by: Author Jun Katagiri

Particle Size Effect on Powder Packing Properties and Molten Pool Dimensions in Laser Powder Bed Fusion Simulation

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
Influence of recoil pressure, mushy zone flow resistance and reflectivity on melt pool shape in laser powder bed fusion simulation

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