Assessing printability maps in additive manufacturing of metal alloys
We propose a methodology for predicting the printability of an alloy, subject to laser powder
bed fusion additive manufacturing. Regions in the process space associated with keyhole …
bed fusion additive manufacturing. Regions in the process space associated with keyhole …
Selective laser melting finite element modeling: Validation with high-speed imaging and lack of fusion defects prediction
C Bruna-Rosso, AG Demir, B Previtali - Materials & Design, 2018 - Elsevier
Selective laser melting (SLM) is a fast-growing technology which still lacks knowledge and
management for wider industrial use. Numerical modeling is today a standard tool in the …
management for wider industrial use. Numerical modeling is today a standard tool in the …
Rapid prediction of real-time thermal characteristics, solidification parameters and microstructure in laser directed energy deposition (powder-fed additive …
The localized thermal characteristics, solidification parameters and the corresponding
microstructure depend highly on the process parameters in the laser powder-fed additive …
microstructure depend highly on the process parameters in the laser powder-fed additive …
A novel heat source model for analysis of melt pool evolution in selective laser melting process
In this paper, a novel hybrid heat source model is developed considering the different
absorption mechanisms for porous and dense state materials, and an effective absorptivity is …
absorption mechanisms for porous and dense state materials, and an effective absorptivity is …
Layer-wise modeling and anomaly detection for laser-based additive manufacturing
Additive manufacturing (AM) is a novel fabrication technique capable of producing highly
complex parts. Nevertheless, a major challenge is the quality assurance of the AM fabricated …
complex parts. Nevertheless, a major challenge is the quality assurance of the AM fabricated …
Layer-to-layer closed-loop feedback control application for inter-layer temperature stabilization in laser powder bed fusion
In laser powder bed fusion (LPBF), part quality and process conditions are highly dependent
on the interlayer temperature (ILT) of the exposure surface of printed parts. State-of-the-art …
on the interlayer temperature (ILT) of the exposure surface of printed parts. State-of-the-art …
Physics‐based modeling and predictive simulation of powder bed fusion additive manufacturing across length scales
Powder bed fusion additive manufacturing (PBFAM) of metals has the potential to enable
new paradigms of product design, manufacturing and supply chains while accelerating the …
new paradigms of product design, manufacturing and supply chains while accelerating the …
[HTML][HTML] Multi-scale Multi-physics Phase-field coupled Thermo-mechanical approach for modeling of powder bed fusion process
The present study investigates the thermomechanical simulation of powder bed fusion (PBF)
process, focusing on the characterization of the melt pool. With the aim of comprehensively …
process, focusing on the characterization of the melt pool. With the aim of comprehensively …
Numerical and experimental investigation of the isothermal assumption in selective laser sintering of PA12
D Soldner, S Greiner, C Burkhardt, D Drummer… - Additive …, 2021 - Elsevier
Abstract Selective Laser Sintering (SLS) of polymers represents a powder-bed based
additive manufacturing technique which can produce parts with a large geometrical freedom …
additive manufacturing technique which can produce parts with a large geometrical freedom …
Design optimization of thermally conductive support structure for laser powder-bed fusion process with part-scale thermal history
Although there has been a substantial volume of research for mitigating the thermally-
induced residual stress with the heat accumulation in powder bed fusion (PBF) process, it …
induced residual stress with the heat accumulation in powder bed fusion (PBF) process, it …