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 …

[HTML][HTML] Holistic computational design within additive manufacturing through topology optimization combined with multiphysics multi-scale materials and process …

M Bayat, O Zinovieva, F Ferrari, C Ayas… - Progress in Materials …, 2023 - Elsevier
Additive manufacturing (AM) processes have proven to be a perfect match for topology
optimization (TO), as they are able to realize sophisticated geometries in a unique layer-by …

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 …

Solute trapping and non-equilibrium microstructure during rapid solidification of additive manufacturing

N Ren, J Li, R Zhang, C Panwisawas, M Xia… - Nature …, 2023 - nature.com
Solute transport during rapid and repeated thermal cycle in additive manufacturing (AM)
leading to non-equilibrium, non-uniform microstructure remains to be studied. Here, a fully …

Defects control of aluminum alloys and their composites fabricated via laser powder bed fusion: A review

H Yang, J Sha, D Zhao, F He, Z Ma, C He, C Shi… - Journal of Materials …, 2023 - Elsevier
Laser powder bed fusion (L-PBF) technique, as the mainstream technology in metal additive
manufacturing, enables the fabrication of aluminum alloys and their composite components …

[HTML][HTML] Manufacturing single crystals of pure nickel via selective laser melting with a flat-top laser beam

DE Jodi, T Kitashima, Y Koizumi, T Nakano… - Additive Manufacturing …, 2022 - Elsevier
The exploration of flat-top laser profile in fabricating a single crystal (SX) structure using
selective laser melting (SLM) in pure Ni was investigated. Optimization of the parameters led …

Multiscale simulation of powder-bed fusion processing of metallic alloys

SM Elahi, R Tavakoli, AK Boukellal, T Isensee… - Computational Materials …, 2022 - Elsevier
We present a computational framework for the simulations of powder-bed fusion of metallic
alloys, which combines:(1) CalPhaD calculations of temperature-dependent alloy properties …

Grain growth competition during melt pool solidification—Comparing phase-field and cellular automaton models

SM Elahi, R Tavakoli, I Romero, D Tourret - Computational Materials …, 2023 - Elsevier
A broad range of computational models have been proposed to predict microstructure
development during solidification processing but they have seldom been compared to each …

Development of fully equiaxed microstructure in Scalmalloy® through powder bed fusion using a ring-mode laser beam

MS Mohebbi, V Ploshikhin - Scripta Materialia, 2023 - Elsevier
Powder bed fusion experiments were conducted to investigate the microstructure of
Scalmalloy® utilizing standard circular and Adjustable Ring-Mode (ARM) laser beams. The …

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 …