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Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media
Composite Structures, Volume: 108, Pages: 555 - 564
Swansea University Authors: Steve Brown, Nick Croft , Sathiskumar Jothi
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DOI (Published version): 10.1016/j.compstruct.2013.09.026
Abstract
Microstructural intergranular and intragranular effects play a vitally important role in mass transport within heterogeneous polycrystalline composite media. Full scale macroscopic specimen or component modelling of heterogeneous polycrystalline composite media is complex, time consuming and computa...
Published in: | Composite Structures |
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ISSN: | 0263-8223 |
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2014
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URI: | https://cronfa.swan.ac.uk/Record/cronfa18612 |
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2019-09-18T16:56:07.5469262 v2 18612 2014-10-06 Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media 07a865adc76376646bc6c03a69ce35a9 Steve Brown Steve Brown true false 8f82cd0b51f4b95b0dd6fa89427d9fc7 0000-0002-1521-5261 Nick Croft Nick Croft true false 6cd28300413d3e63178f0bf7e2130569 0000-0001-7328-1112 Sathiskumar Jothi Sathiskumar Jothi true false 2014-10-06 FGSEN Microstructural intergranular and intragranular effects play a vitally important role in mass transport within heterogeneous polycrystalline composite media. Full scale macroscopic specimen or component modelling of heterogeneous polycrystalline composite media is complex, time consuming and computationally expensive. Consequently it is important to develop a homogenous model to predict the effective diffusion coefficient of the heterogeneous polycrystalline composite media. It is also important to investigate the effect of intergranular and intragranular microstructure on effective diffusivity of heterogeneous polycrystalline composite media. A two dimensional finite element microstructural representative volume element (FEMRVE) model with different intergranular and intragranular microstructures has been developed using the well-known Voronoi tessellation technique. The effective diffusivity predicted by the FEMRVE model with various intergranular and intragranular microstructures of heterogeneous polycrystalline composite media agrees well with the results of various effective medium theories. Journal Article Composite Structures 108 555 564 0263-8223 28 2 2014 2014-02-28 10.1016/j.compstruct.2013.09.026 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2019-09-18T16:56:07.5469262 2014-10-06T11:37:28.5193955 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised S. Jothi 1 T.N. Croft 2 S.G.R. Brown 3 E.A. de Souza Neto 4 Steve Brown 5 Nick Croft 0000-0002-1521-5261 6 Sathiskumar Jothi 0000-0001-7328-1112 7 0018612-29062015161833.pdf 1_Paper1_FEMHMIntergranular_Effect.pdf 2015-06-29T16:18:33.6300000 Output 1646715 application/pdf Accepted Manuscript true 2015-04-16T00:00:00.0000000 false |
title |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media |
spellingShingle |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media Steve Brown Nick Croft Sathiskumar Jothi |
title_short |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media |
title_full |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media |
title_fullStr |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media |
title_full_unstemmed |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media |
title_sort |
Finite element microstructural homogenization techniques and intergranular, intragranular microstructural effects on effective diffusion coefficient of heterogeneous polycrystalline composite media |
author_id_str_mv |
07a865adc76376646bc6c03a69ce35a9 8f82cd0b51f4b95b0dd6fa89427d9fc7 6cd28300413d3e63178f0bf7e2130569 |
author_id_fullname_str_mv |
07a865adc76376646bc6c03a69ce35a9_***_Steve Brown 8f82cd0b51f4b95b0dd6fa89427d9fc7_***_Nick Croft 6cd28300413d3e63178f0bf7e2130569_***_Sathiskumar Jothi |
author |
Steve Brown Nick Croft Sathiskumar Jothi |
author2 |
S. Jothi T.N. Croft S.G.R. Brown E.A. de Souza Neto Steve Brown Nick Croft Sathiskumar Jothi |
format |
Journal article |
container_title |
Composite Structures |
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108 |
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555 |
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2014 |
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Swansea University |
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0263-8223 |
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10.1016/j.compstruct.2013.09.026 |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised |
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description |
Microstructural intergranular and intragranular effects play a vitally important role in mass transport within heterogeneous polycrystalline composite media. Full scale macroscopic specimen or component modelling of heterogeneous polycrystalline composite media is complex, time consuming and computationally expensive. Consequently it is important to develop a homogenous model to predict the effective diffusion coefficient of the heterogeneous polycrystalline composite media. It is also important to investigate the effect of intergranular and intragranular microstructure on effective diffusivity of heterogeneous polycrystalline composite media. A two dimensional finite element microstructural representative volume element (FEMRVE) model with different intergranular and intragranular microstructures has been developed using the well-known Voronoi tessellation technique. The effective diffusivity predicted by the FEMRVE model with various intergranular and intragranular microstructures of heterogeneous polycrystalline composite media agrees well with the results of various effective medium theories. |
published_date |
2014-02-28T03:21:50Z |
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1763750665930145792 |
score |
11.03559 |