Volumetric heat source model for laser-based powder bed fusion process in additive manufacturing

M Mollamahmutoglu, O Yilmaz - Thermal Science and Engineering …, 2021 - Elsevier
Laser-based powder bed fusion (L-PBF) is one of the most widely used additive
manufacturing methods. Its most striking feature is the melt pool in the powder bed, which is …

A three-phase model for simulation of heat transfer and melt pool behaviour in laser powder bed fusion process

EL Li, L Wang, AB Yu, ZY Zhou - Powder technology, 2021 - Elsevier
Laser powder bed fusion (LPBF) is one of the most promising additive manufacturing
technologies to fabricate high quality metal parts. In this work, a three-phase model based …

Laser-particle interaction-based heat source model of laser powder bed fusion additive manufacturing

XX Yao, Z Zhang - Optics & Laser Technology, 2022 - Elsevier
The use of powder is one of the special features in laser powder bed fusion additive
manufacturing (L-PBF AM). How the powder affects the L-PBF process is the basic …

Temperature profile, bead geometry, and elemental evaporation in laser powder bed fusion additive manufacturing process

F Ahsan, L Ladani - Jom, 2020 - Springer
Powder bed fusion processes have been a focus of research in recent years. Computational
models of this process have been extensively investigated. In most cases, the distribution of …

Mesoscopic simulation of heat transfer and fluid flow in laser powder bed additive manufacturing

YS Lee, W Zhang - 2015 - repositories.lib.utexas.edu
Laser-powder bed fusion (L-PBF) additive manufacturing involves complex physics such as
heat transfer and molten metal flow, which have a significant influence on the final build …

Heat Source Model Development for Thermal Analysis of Laser Powder Bed Fusion Using Bayesian Optimization and Machine Learning

M Kusano, M Watanabe - Integrating Materials and Manufacturing …, 2024 - Springer
To understand the correlation between process, structures, and properties in laser powder
bed fusion (L-PBF), it is essential to use numerical analysis as well as experimental …

Powder bed fusion processes: An overview

S Sun, M Brandt, M Easton - Laser additive manufacturing, 2017 - Elsevier
Additive manufacturing is a manufacturing process in which functional parts can be made by
adding materials without using special tooling, jigs or fixtures. It provides tremendous …

[图书][B] Analysis of the laser powder bed fusion additive manufacturing process through experimental measurement and finite element modeling

AJ Dunbar - 2016 - search.proquest.com
The objective in this work is to provide rigourous experimental measurements to aid in the
development of laser powder bed fusion (LPBF) additive manufacturing (AM). A specialized …

Physics-based analytical modeling of keyhole mode in laser powder bed fusion

W Wang, SY Liang - The International Journal of Advanced Manufacturing …, 2022 - Springer
In this study, a physics-based analytical thermal modeling method is proposed for the
estimation of temperature distribution, molten pool geometries, and vapor depression size in …

Numerical and experimental analysis of heat distribution in the laser powder bed fusion of Ti-6Al-4V

K Karayagiz, A Elwany, G Tapia, B Franco… - IISE …, 2019 - Taylor & Francis
ABSTRACT Laser Powder Bed Fusion (LPBF) of metallic parts is a complex process
involving simultaneous interplay between several physical mechanisms such as …