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Makoto Watanabe
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Keyword
Laser powder bed fusion
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Effects of time per layer and part geometry on thermal history and microcracking in the fabrication of nickel superalloy samples by laser powder bed fusion
Description/Abstract:
In this work, the purpose of the current study is to understand the effects of time per layer and part geometry on microcracking behavior...
Keyword:
Constricted geometry
,
Inconel 738 LC
,
Laser powder bed fusion
,
Microcracking
,
Thermal analysis
, and
Time per layer
Resource Type:
Article
Author:
Masahiro Kusano
,
Yusuke Takata
,
Atsushi Yumoto
, and
Makoto Watanabe
Journal:
Additive Manufacturing
Date Uploaded:
10/04/2024
Heat Source Model Development for Thermal Analysis of Laser Powder Bed Fusion Using Bayesian Optimization and Machine Learning
Description/Abstract:
To understand the correlation between process, structures, and properties in laser powder bed fusion (L-PBF), it is essential to use nume...
Keyword:
Bayesian optimization
,
Heat source model
,
Laser powder bed fusion
,
Laser scanning conditions
,
Multiple linear regression
, and
Thermal analysis
Resource Type:
Article
Author:
Masahiro Kusano
and
Makoto Watanabe
Journal:
Integrating Materials and Manufacturing Innovation
Date Uploaded:
09/04/2024
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
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Laser powder bed fusion
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Elsevier BV
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Creative Commons BY Attribution 4.0 International
2
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Makoto Watanabe
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JSPS KAKENHI
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Japan Science and Technology Agency
1
Japan Society for the Promotion of Science
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the Acquisition, Technology, and Logistics Agency(ATLA)
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Journal
Additive Manufacturing
1
Case Studies in Thermal Engineering
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Integrating Materials and Manufacturing Innovation
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