Understanding grain evolution in additive manufacturing through modeling

J Akram, P Chalavadi, D Pal, B Stucker - Additive Manufacturing, 2018 - Elsevier
… implemented to understand grain evolution in AM. Grain evolution in multilayer depositions
… Results show strong correlation of scan patterns with evolving grain orientations. Variability …

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
grain structures in the thick and thin walls, ie, the large vertical columnar <001> β //N z grains
and slanted columnar grains with various grain … crystallographically preferred grain growth, …

Simulation of grain structure evolution during powder bed based additive manufacturing

A Rai, H Helmer, C Körner - Additive Manufacturing, 2017 - Elsevier
… based layer by layer additive manufacturing. The columnar grains grow epitaxially from the
… experimentally, eg, grain penetration from side walls and grain boundary perturbation are …

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
Grain morphology control is a challenging issue for laser melting deposition (LMD) additive
manufacturing of large metallic components. In this paper, the grain morphology evolution

Phase-field modeling of grain evolution in additive manufacturing with addition of reinforcing particles

M Yang, L Wang, W Yan - Additive Manufacturing, 2021 - Elsevier
additive manufacturing are of interest due to their fine grain … is developed to simulate the
grain evolution of TiB 2 /316L … , and the influences on grain evolutions are comprehensively …

Grain refinement of alloys in fusion-based additive manufacturing processes

D Zhang, A Prasad, MJ Bermingham, CJ Todaro… - … Materials Transactions A, 2020 - Springer
grain-refining technology already used in aluminium casting is shown to also be applicable
to additive manufacturing… for which there is a lack of grain-refining technology using chemical …

The development of grain structure during additive manufacturing

AF Chadwick, PW Voorhees - Acta Materialia, 2021 - Elsevier
… Therefore, in the current work, we present a new PFM to describe the microstructural evolution
during additive manufacturing and apply this to 316L stainless steel. As in Pinomaa et al. […

Additive manufacturing of metals: Microstructure evolution and multistage control

Z Liu, D Zhao, P Wang, M Yan, C Yang, Z Chen… - Journal of Materials …, 2022 - Elsevier
evolution mechanism is required. To this end, this review explores the fundamental procedures
of additive manufacturing, that … to create fully equiaxed grains via additive manufacturing. …

Grain size evolution under different cooling rate in laser additive manufacturing of superalloy

J Shao, G Yu, X He, S Li, R Chen, Y Zhao - Optics & Laser Technology, 2019 - Elsevier
… This paper studies the effects of processing parameters on grain size in laser additive
manufacturing through experiments and reveals the mechanisms behind through numerical …

Three-dimensional modeling of the microstructure evolution during metal additive manufacturing

O Zinovieva, A Zinoviev, V Ploshikhin - Computational Materials Science, 2018 - Elsevier
… fundamentals of grain structure evolution during metal additive manufacturing. Cellular … the
grain structure, depending on a transient temperature field during the additive manufacturing