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 …

Numerical investigation of effects of nucleation mechanisms on grain structure in metal additive manufacturing

X Li, W Tan - Computational Materials Science, 2018 - Elsevier
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 …

Understanding grain evolution in additive manufacturing through modeling

J Akram, P Chalavadi, D Pal, B Stucker - Additive Manufacturing, 2018 - Elsevier
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 …

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 …

Controlling grain nucleation and morphology by laser beam shaping in metal additive manufacturing

TT Roehling, R Shi, SA Khairallah, JD Roehling… - Materials & Design, 2020 - Elsevier
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 …

Investigation on evolution mechanisms of site-specific grain structures during metal additive manufacturing

PW Liu, YZ Ji, Z Wang, CL Qiu, AA Antonysamy… - Journal of Materials …, 2018 - Elsevier
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 …

A coupled finite element cellular automaton model to predict thermal history and grain morphology of Ti-6Al-4V during direct metal deposition (DMD)

J Zhang, F Liou, W Seufzer, K Taminger - Additive Manufacturing, 2016 - Elsevier
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 …

Evolution of grain structure during laser additive manufacturing. Simulation by a cellular automata method

A Zinoviev, O Zinovieva, V Ploshikhin, V Romanova… - Materials & Design, 2016 - Elsevier
We have developed a two-dimensional numerical model to simulate the evolution of grain
structure observed during the laser additive manufacturing process. A cellular automata …

Optimizing the cellular automata finite element model for additive manufacturing to simulate large microstructures

K Teferra, DJ Rowenhorst - Acta materialia, 2021 - Elsevier
This study proposes an implementation of the cellular automata finite element (CAFE) model
in order to optimize its performance for simulating the solidification of additively …

Simulation of metal additive manufacturing microstructures using kinetic Monte Carlo

TM Rodgers, JD Madison, V Tikare - Computational Materials Science, 2017 - Elsevier
Additive manufacturing (AM) is of tremendous interest given its ability to realize complex,
non-traditional geometries in engineered structural materials. However, microstructures …