Understanding grain evolution in additive manufacturing through modeling
Variability in the mechanical properties of additively manufactured metal parts is a key
concern for their application in service. One of the parameters affecting the above …
concern for their application in service. One of the parameters affecting the above …
Three-dimensional modeling of the microstructure evolution during metal additive manufacturing
O Zinovieva, A Zinoviev, V Ploshikhin - Computational Materials Science, 2018 - Elsevier
Prediction of microstructures of additive manufactured materials is a significant research
focus to face the challenge of producing tailored components. In this work, a three …
focus to face the challenge of producing tailored components. In this work, a three …
Numerical investigation of effects of nucleation mechanisms on grain structure in metal additive manufacturing
Understanding the grain structure in metal additive manufacturing (MAM) builds is important
to improve the properties of MAM builds and the controllability of MAM processes. The …
to improve the properties of MAM builds and the controllability of MAM processes. The …
Improved grain structure prediction in metal additive manufacturing using a dynamic kinetic Monte Carlo framework
This work describes a Dynamic Kinetic Monte Carlo numerical modeling framework that can
predict the microstructure of metals during powder bed fusion (PBF) and directed energy …
predict the microstructure of metals during powder bed fusion (PBF) and directed energy …
Three-dimensional analysis of grain structure and texture of additively manufactured 316L austenitic stainless steel
O Zinovieva, A Zinoviev, V Romanova… - Additive Manufacturing, 2020 - Elsevier
This paper aims at an in-depth analysis of grain structure and texture of 316 L austenitic
stainless steel produced by the powder bed based additive manufacturing in three …
stainless steel produced by the powder bed based additive manufacturing in three …
Investigation on evolution mechanisms of site-specific grain structures during metal additive manufacturing
A multiscale model is developed to investigate the evolution mechanisms of site-specific
grain structures during additive manufacturing (AM) of metallic alloys, using the selective …
grain structures during additive manufacturing (AM) of metallic alloys, using the selective …
Modeling of hierarchical solidification microstructures in metal additive manufacturing: Challenges and opportunities
Metal-based additive manufacturing (AM) processes often produce parts with improved
properties compared to conventional manufacturing and metal working routes. However …
properties compared to conventional manufacturing and metal working routes. However …
A coupled finite element cellular automaton model to predict thermal history and grain morphology of Ti-6Al-4V during direct metal deposition (DMD)
In this paper, a predictive model based on a cellular automaton (CA)-finite element (FE)
method has been developed to simulate thermal history and microstructure evolution during …
method has been developed to simulate thermal history and microstructure evolution during …
[HTML][HTML] Implementation of nucleation in cellular automaton simulation of microstructural evolution during additive manufacturing of Al alloys
MS Mohebbi, V Ploshikhin - Additive Manufacturing, 2020 - Elsevier
In this work, a new approach is developed to integrate a particle-based (seed crystals)
nucleation mechanism into the Cellular Automata (CA) simulation of powder-bed laser beam …
nucleation mechanism into the Cellular Automata (CA) simulation of powder-bed laser beam …
Controlling grain nucleation and morphology by laser beam shaping in metal additive manufacturing
Gaussian laser intensity profiles are standard in laser-based metal additive manufacturing,
although recent work in single-layer melt tracks showed that beam shaping could offer a …
although recent work in single-layer melt tracks showed that beam shaping could offer a …