The development of grain structure during additive manufacturing

AF Chadwick, PW Voorhees - Acta Materialia, 2021 - Elsevier
Additive manufacturing of structural alloys results in the formation of complex microstructures,
often with long, columnar grains that grow epitaxially from existing grains. A phase… of grains

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
… , morphology, spatial distributions of grain size and shape, … relevant common additive
manufacturing alloys such as … review recent advances in controlling grain structure, phases, and …

Understanding grain evolution in additive manufacturing through modeling

J Akram, P Chalavadi, D Pal, B Stucker - Additive Manufacturing, 2018 - Elsevier
… speeds compared to straight columnar grains at higher laser speeds. This result explains
why welding and additive manufacturing processes produce different grain morphologies. …

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
… β-grain can be … grain orientations affect the grain structures and textures remain elusive.
More work is thus highly desired to investigate the thermal history and associated grain structure

Simulation of grain structure evolution during powder bed based additive manufacturing

A Rai, H Helmer, C Körner - Additive Manufacturing, 2017 - Elsevier
… The effect of process parameters on the final grain structure and texture evolution is … the
grain structure in conventional castings. However, validity of the MC simulations for grain growth …

[HTML][HTML] 3D multi-layer grain structure simulation of powder bed fusion additive manufacturing

JA Koepf, MR Gotterbarm, M Markl, C Körner - Acta Materialia, 2018 - Elsevier
… of the grain structure on the scale of small parts within reasonable times. … grain structures
of Inconel 718 test specimens manufactured by selective electron beam melting. The grain

Grain structure control of additively manufactured metallic materials

F Yan, W Xiong, EJ Faierson - Materials, 2017 - mdpi.com
… with grain size refinement, which can improve the mechanical properties of additive … This
work summarizes methods to promote fine equiaxed grains in both the additive manufacturing

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
… formation during laser additive manufacturing are adequately … the grain structure produced
by the laser additive manufacturing … obtained by the laser additive technology, the 3D effects …

A coupled Cellular Automaton–Lattice Boltzmann model for grain structure simulation during additive manufacturing

A Rai, M Markl, C Körner - Computational Materials Science, 2016 - Elsevier
grain structure evolution during SEBM considering the individual powder related effects. For
this purpose a CA based grain … Since the goal of the present work is to predict grain structure

Grain morphology evolution behavior of titanium alloy components during laser melting deposition additive manufacturing

T Wang, YY Zhu, SQ Zhang, HB Tang… - Journal of Alloys and …, 2015 - Elsevier
… and equiaxed as-deposited grain structures, a unique “… grain structure consisting of coarse
grain pillars and fine inter-pillar equiaxed grains was fabricated and the corresponding grain