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Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel

Sathiskumar Jothi Orcid Logo

Advanced Materials and Reservoir Engineering for Extreme Oil & Gas Environments II

Swansea University Author: Sathiskumar Jothi Orcid Logo

Abstract

It is important to investigate and calculate the hydrogen diffusion and hydrogen diffusivity related to microstructure features in order to access hydrogen embrittlemnet in nickel. In this work, the three dimensional finite element analyses (FEA) simulation based on the real microstructure represent...

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Published in: Advanced Materials and Reservoir Engineering for Extreme Oil & Gas Environments II
Published: 2015 TMS Annual Meeting & Exhibition 2015
Online Access: http://www.programmaster.org/PM/PM.nsf/ApprovedAbstracts/7D58F54F8AA1827E85257D070037C56B?OpenDocument
URI: https://cronfa.swan.ac.uk/Record/cronfa35146
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spelling 2017-09-06T22:14:06.1373115 v2 35146 2017-09-06 Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel 6cd28300413d3e63178f0bf7e2130569 0000-0001-7328-1112 Sathiskumar Jothi Sathiskumar Jothi true false 2017-09-06 EEN It is important to investigate and calculate the hydrogen diffusion and hydrogen diffusivity related to microstructure features in order to access hydrogen embrittlemnet in nickel. In this work, the three dimensional finite element analyses (FEA) simulation based on the real microstructure representative volume element approach have been performed to determine the hydrogen diffusivity and hydrogen diffusion of clustered nanocrystalline and fine grained polycrystalline nickel. These simulations take in to consideration of the microstructure intercrystalline defects such as grain boundary and triple junctions on hydrogen activity and hydrogen diffusion. An analytical model has been developed based on FEA computation and the results are correlated with the experimental results. The experimental findings are agreed well with the computational calculated results of clustered polycrystalline nickel. Conference Paper/Proceeding/Abstract Advanced Materials and Reservoir Engineering for Extreme Oil & Gas Environments II 2015 TMS Annual Meeting & Exhibition Hydrogen Diffusion; Hydrogen Embrittlement; finite element analysis; Nanostructure; Microstructure; Simulation; Computation 31 12 2015 2015-12-31 http://www.programmaster.org/PM/PM.nsf/ApprovedAbstracts/7D58F54F8AA1827E85257D070037C56B?OpenDocument COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2017-09-06T22:14:06.1373115 2017-09-06T22:13:09.2902987 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Sathiskumar Jothi 0000-0001-7328-1112 1
title Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
spellingShingle Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
Sathiskumar Jothi
title_short Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
title_full Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
title_fullStr Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
title_full_unstemmed Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
title_sort Computational Simulation of the Hydrogen Diffusion and Prediction of Hydrogen Diffusivity in Clustered Nanocrystalline and Fine Grained Polycrystalline Nickel
author_id_str_mv 6cd28300413d3e63178f0bf7e2130569
author_id_fullname_str_mv 6cd28300413d3e63178f0bf7e2130569_***_Sathiskumar Jothi
author Sathiskumar Jothi
author2 Sathiskumar Jothi
format Conference Paper/Proceeding/Abstract
container_title Advanced Materials and Reservoir Engineering for Extreme Oil & Gas Environments II
publishDate 2015
institution Swansea University
publisher 2015 TMS Annual Meeting & Exhibition
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
url http://www.programmaster.org/PM/PM.nsf/ApprovedAbstracts/7D58F54F8AA1827E85257D070037C56B?OpenDocument
document_store_str 0
active_str 0
description It is important to investigate and calculate the hydrogen diffusion and hydrogen diffusivity related to microstructure features in order to access hydrogen embrittlemnet in nickel. In this work, the three dimensional finite element analyses (FEA) simulation based on the real microstructure representative volume element approach have been performed to determine the hydrogen diffusivity and hydrogen diffusion of clustered nanocrystalline and fine grained polycrystalline nickel. These simulations take in to consideration of the microstructure intercrystalline defects such as grain boundary and triple junctions on hydrogen activity and hydrogen diffusion. An analytical model has been developed based on FEA computation and the results are correlated with the experimental results. The experimental findings are agreed well with the computational calculated results of clustered polycrystalline nickel.
published_date 2015-12-31T03:43:38Z
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score 11.016258

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