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Transient effect of fluid flow on dendrite growth direction in binary Fe-C alloys using Phase-Field in OpenFOAM
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SenGupta, Arunava, Santillana, Begona, Sridhar, Seetharaman and Auinger, Michael (2019) Transient effect of fluid flow on dendrite growth direction in binary Fe-C alloys using Phase-Field in OpenFOAM. JOM Journal of The Minerals, Metals & Materials Society, 71 (11). pp. 3876-3884. doi:10.1007/s11837-019-03730-2 ISSN 1047-4838.
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Official URL: https://doi.org/10.1007/s11837-019-03730-2
Abstract
An open-source fluid flow and phase-field coupled solidification model has been developed in OpenFOAM to investigate the transient nature of the interface growth direction at different degrees of undercooling for an Fe-0.15 wt.% C binary alloy under isothermal conditions. Though there are works on melt convection effects in binary alloys, none reported the transient nature of the dendrite growth direction since thermodynamic driving force decreases with time at a particular undercooling. Developing a theoretical relation will be helpful in understanding the competition between the crystallographic growth direction and solute transport. Flow decoupled simulation results have a good quantitative agreement with the literature. The bending angle formulations on the effects of flow velocity and growth speed were separated. At the end, improved theoretical formulations for estimation of the bending angle based on the anisotropy in interface energy were put forward compared with only few available empirical correlations.
| Item Type: | Journal Article | ||||||||
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| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software Q Science > QC Physics Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Computational fluid dynamics -- Computer programs, Fluid mechanics, Anisotropy, Interfaces (Physical sciences), Dendritic crystals, Dendritic crystals -- Growth | ||||||||
| Journal or Publication Title: | JOM Journal of The Minerals, Metals & Materials Society | ||||||||
| Publisher: | Springer Verlag | ||||||||
| ISSN: | 1047-4838 | ||||||||
| Official Date: | November 2019 | ||||||||
| Dates: |
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| Volume: | 71 | ||||||||
| Number: | 11 | ||||||||
| Page Range: | pp. 3876-3884 | ||||||||
| DOI: | 10.1007/s11837-019-03730-2 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Reuse Statement (publisher, data, author rights): | This is a post-peer-review, pre-copyedit version of an article published in JOM. The final authenticated version is available online at: http://dx.doi.org/[insert DOI]”. | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 12 August 2019 | ||||||||
| Date of first compliant Open Access: | 16 September 2019 | ||||||||
| RIOXX Funder/Project Grant: |
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