Using machine learning to identify in-situ melt pool signatures indicative of flaw formation in a laser powder bed fusion additive manufacturing process
Because many of the most important defects in Laser Powder Bed Fusion (L-PBF) occur at
the size and timescales of the melt pool itself, the development of methodologies for …
the size and timescales of the melt pool itself, the development of methodologies for …
Melt pool geometry and morphology variability for the Inconel 718 alloy in a laser powder bed fusion additive manufacturing process
Expanding on prior process mapping work by the authors, multiple melt pool cross-sections
are measured at multiple process parameter combinations for the Inconel 718 alloy in a …
are measured at multiple process parameter combinations for the Inconel 718 alloy in a …
[HTML][HTML] A mechanistic explanation of shrinkage porosity in laser powder bed fusion additive manufacturing
This work focuses on the occurrence of shrinkage porosity and its manifestation in Alloy 718
during laser-powder bed fusion (PBF-LB) processing. Shrinkage porosity is a common …
during laser-powder bed fusion (PBF-LB) processing. Shrinkage porosity is a common …
Finding the limits of single-track deposition experiments: An experimental study of melt pool characterization in laser powder bed fusion
This work identifies sources of error in melt pool characterization tests that are frequently
employed to study processing parameters in laser powder bed fusion (L-PBF) additive …
employed to study processing parameters in laser powder bed fusion (L-PBF) additive …
Use of non-spherical hydride-dehydride (HDH) powder in powder bed fusion additive manufacturing
There is a growing interest in using recycled materials and economically produced powder
in additive manufacturing processes. State-of-the-art powder bed fusion additive …
in additive manufacturing processes. State-of-the-art powder bed fusion additive …
Development of a rapid solidification model for additive manufacturing process and application to Al-Si alloy
Accurate prediction of the solidification microstructure produced by additive manufacturing
(AM) process is indispensable for the precise manufacturing process control. In the present …
(AM) process is indispensable for the precise manufacturing process control. In the present …
Enhancing ductility and fatigue strength of additively manufactured metallic materials by preheating the build platform
PD Nezhadfar, N Shamsaei… - Fatigue & Fracture of …, 2021 - Wiley Online Library
The effect of preheating the build platform (process) on the microstructure/defect structure
(structure) as well as the tensile and fatigue behaviour (property) of the laser beam powder …
(structure) as well as the tensile and fatigue behaviour (property) of the laser beam powder …
The influence of beam focus during laser powder bed fusion of a high reflectivity aluminium alloy—AlSi10Mg
The laser powder bed fusion (LPBF) of aluminium alloys is associated with numerous
challenges when compared to other commonly used alloys (eg, steels and titanium alloys) …
challenges when compared to other commonly used alloys (eg, steels and titanium alloys) …
Multi-scale feature pyramid approach for melt track classification in laser powder bed fusion via coaxial high-speed imaging
The randomness and low frequency of laser powder bed fusion defects are two important
characteristics that can impact the quality and reliability of parts. Therefore, effectively …
characteristics that can impact the quality and reliability of parts. Therefore, effectively …
Adhesive and alloying properties of dual purpose polyfurfuryl alcohol binder for binder jet additive manufacturing of steel
WX Tan, PJ Chiang, LP Tan, RV Ramanujan… - Additive …, 2024 - Elsevier
In-situ alloying in steel can be achieved in the binder jet additive manufacturing process by
incorporating alloying elements into the binder. However, using binders with nanoparticle …
incorporating alloying elements into the binder. However, using binders with nanoparticle …