Control of grain structure, phases, and defects in additive manufacturing of high-performance metallic components

T Mukherjee, JW Elmer, HL Wei, TJ Lienert… - Progress in Materials …, 2023 - Elsevier
The properties and serviceability of 3D-printed metal parts depend on a variety of attributes.
These include the chemical composition, phases, morphology, spatial distributions of grain …

Multiphysics multi-scale computational framework for linking process–structure–property relationships in metal additive manufacturing: a critical review

S Sharma, SS Joshi, MV Pantawane… - International …, 2023 - journals.sagepub.com
This review article provides a critical assessment of the progress made in computational
modelling of metal-based additive manufacturing (AM) with emphasis on its ability to predict …

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 …

Evaluation of classification models in limited data scenarios with application to additive manufacturing

F Pourkamali-Anaraki, T Nasrin, RE Jensen… - … Applications of Artificial …, 2023 - Elsevier
This paper presents a novel framework that enables the generation of unbiased estimates
for test loss using fewer labeled samples, effectively evaluating the predictive performance …

ExaAM: Metal additive manufacturing simulation at the fidelity of the microstructure

JA Turner, J Belak, N Barton… - … Journal of High …, 2022 - journals.sagepub.com
Additive manufacturing (AM), or 3D printing, of metals is transforming the fabrication of
components, in part by dramatically expanding the design space, allowing optimization of …

ExaCA: A performance portable exascale cellular automata application for alloy solidification modeling

M Rolchigo, ST Reeve, B Stump, GL Knapp… - Computational Materials …, 2022 - Elsevier
Modeling the as-solidified grain structures that form during alloy processing is a critical
component in understanding process-property relationships, particularly for additive …

Calibrating uncertain parameters in melt pool simulations of additive manufacturing

GL Knapp, J Coleman, M Rolchigo, M Stoyanov… - Computational Materials …, 2023 - Elsevier
Melt pool scale numerical modeling of additive manufacturing (AM) processes can provide
predictive capabilities and theoretical insight into the process-property-structure …

Metal AM process-structure-property relational linkages using Gaussian process surrogates

RN Saunders, K Teferra, A Elwany… - Additive …, 2023 - Elsevier
In metal additive manufacturing (AM), with sufficient understanding of process-structure–
property (PSP) relational linkages, the control of build parameters can produce parts with …

[HTML][HTML] Modelling grain refinement under additive manufacturing solidification conditions using high performance cellular automata

O Zinovieva, A Zinoviev, MN Patel, A Molotnikov… - Materials & Design, 2024 - Elsevier
Despite increasing applications of additively manufactured parts, they still suffer from
anisotropic mechanical properties and can experience cracking due to coarse columnar …

Bayesian inference of elastic constants and texture coefficients in additively manufactured cobalt-nickel superalloys using resonant ultrasound spectroscopy

J Rossin, P Leser, K Pusch, C Frey, SP Murray… - Acta Materialia, 2021 - Elsevier
Bayesian inference with sequential Monte Carlo is used to quantify the orientation
distribution function coefficients and to calculate the fully anisotropic elastic constants of …