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Advances in computational modeling for laser powder bed fusion additive manufacturing: A comprehensive review of finite element techniques and strategies
The laser powder bed fusion process, a prominent additive manufacturing method, involves
intricate thermal dynamics and stress distribution. Despite the mature knowledge base in …
intricate thermal dynamics and stress distribution. Despite the mature knowledge base in …
[HTML][HTML] An overview of additive manufacturing technologies—a review to technical synthesis in numerical study of selective laser melting
Additive Manufacturing (AM) processes enable their deployment in broad applications from
aerospace to art, design, and architecture. Part quality and performance are the main …
aerospace to art, design, and architecture. Part quality and performance are the main …
Digitally twinned additive manufacturing: Detecting flaws in laser powder bed fusion by combining thermal simulations with in-situ meltpool sensor data
The goal of this research is the in-situ detection of flaw formation in metal parts made using
the laser powder bed fusion (LPBF) additive manufacturing process. This is an important …
the laser powder bed fusion (LPBF) additive manufacturing process. This is an important …
Feedforward control of thermal history in laser powder bed fusion: Toward physics-based optimization of processing parameters
We developed and applied a model-driven feedforward control approach to mitigate thermal-
induced flaw formation in laser powder bed fusion (LPBF) additive manufacturing process …
induced flaw formation in laser powder bed fusion (LPBF) additive manufacturing process …
Part-scale thermal simulation of laser powder bed fusion using graph theory: Effect of thermal history on porosity, microstructure evolution, and recoater crash
Flaw formation in laser powder bed fusion (LPBF) is influenced by the spatiotemporal
temperature distribution–thermal history–of the part during the process. Therefore, to prevent …
temperature distribution–thermal history–of the part during the process. Therefore, to prevent …
[HTML][HTML] Predicting meltpool depth and primary dendritic arm spacing in laser powder bed fusion additive manufacturing using physics-based machine learning
The long-term goal of this work is to predict and control the microstructure evolution in metal
additive manufacturing processes. In pursuit of this goal, we developed and applied an …
additive manufacturing processes. In pursuit of this goal, we developed and applied an …
Digital twins for rapid in-situ qualification of part quality in laser powder bed fusion additive manufacturing
This work concerns the laser powder bed fusion (LPBF) additive manufacturing process.
Currently, LPBF parts are inspected post-process using such techniques as X-ray computed …
Currently, LPBF parts are inspected post-process using such techniques as X-ray computed …
Thermal modeling in metal additive manufacturing using graph theory–Application to laser powder bed fusion of a large volume impeller
Despite its potential to overcome the design and processing barriers of traditional
subtractive and formative manufacturing techniques, the use of laser powder bed fusion …
subtractive and formative manufacturing techniques, the use of laser powder bed fusion …
Thermal modeling in metal additive manufacturing using graph theory
The goal of this work is to predict the effect of part geometry and process parameters on the
instantaneous spatiotemporal distribution of temperature, also called the thermal field or …
instantaneous spatiotemporal distribution of temperature, also called the thermal field or …
Prediction of recoater crash in laser powder bed fusion additive manufacturing using graph theory thermomechanical modeling
The objective of this work is to predict a type of thermal-induced process failure called
recoater crash that occurs frequently during laser powder bed fusion (LPBF) additive …
recoater crash that occurs frequently during laser powder bed fusion (LPBF) additive …