Grant: Alliance Grants
The University of Western Ontario
$229,875.00
Understanding the micromechanics of surrogate TRISO fuels: modeling and experimentation
EF 2023-24
Résumé
Depending on the application and location, different small modular reactors are proposed to be deployed in Canada. For example, in the province of Ontario, it is decided to deploy the boiling water reactor technology, while very high temperature gas cooled reactors might be used in Alberta for natural resources extraction or low-carbon hydrogen generation. In the core of high temperature gas cooled reactors, TRIstructural-ISOtropic (TRISO) fuel particles are used. TRISO fuels are spherical layered composites comprising of a fuel kernel which is encapsulated within layers of low-density carbon buffer, pyrolytic graphite, and silicon carbide. Amongst other benefits, this design helps ensure the integrity of fuel particles under accidental scenarios.This project focuses on understanding the micromechanics of deformation and fracture of surrogate TRISO fuel particles. A multiscale numerical model and advanced experimental techniques will be developed to characterize the effects of temperature and ion implantation on the mechanical properties of TRISO particles. It is expected that the model and experimental data sets help better understand the effects of thermomechanical loads on the safety and integrity of TRISO fuels.
Programme
Alliance Grants
Bénéficiaire
Emplacement
Ontario, Canada
Type de bénéficiaire
Academia
Type
Grant
Source
NSERC's Awards Data
Tel que publié
Application id
586425-2023
Name nom
Abdolvand, Hamidreza H
Department département
Mechanical and Materials Engineering
Organization id
36
Institution établissement
The University of Western Ontario
Province en
Ontario
Province fr
Ontario
Country en
CANADA
Country fr
CANADA
Fiscal year exercice financier
2023
Competition year année de concours
2023
Award amount
229875
Program id
ALLRP
Program name en
Alliance Grants
Program name fr
Subventions Alliance
Group en
RESEARCH PARTNERSHIPS
Group fr
PARTENARIATS DE RECHERCHE
Committee code
96
Committee name en
RPP Internal Decision Cttee
Committee name fr
Cté de décision interne - PPR
Area of application code
302
Area of application group en
Energy resources
Area of application group fr
Ressources d'énergie
Area of application en
Nuclear energy
Area of application fr
Énergie nucléaire
Research subject code
2001
Research subject group en
Materials science and technology
Research subject group fr
Materials structure, properties and testing
Research subject en
Science et technologie des matériaux
Research subject fr
Structure, propriétés et essais des matériaux
Application title
Understanding the micromechanics of surrogate TRISO fuels: modeling and experimentation
Keyword
Advanced nuclear fuels; Electron backscatter diffraction; Finite element modeling; Fracture mechanics; In-situ testing; Micromechanics; Pyrolytic Graphite; Scanning electron microscopy; Silicon Carbide; Small modular reactors
Application summary
Depending on the application and location, different small modular reactors are proposed to be deployed in Canada. For example, in the province of Ontario, it is decided to deploy the boiling water reactor technology, while very high temperature gas cooled reactors might be used in Alberta for natural resources extraction or low-carbon hydrogen generation. In the core of high temperature gas cooled reactors, TRIstructural-ISOtropic (TRISO) fuel particles are used. TRISO fuels are spherical layered composites comprising of a fuel kernel which is encapsulated within layers of low-density carbon buffer, pyrolytic graphite, and silicon carbide. Amongst other benefits, this design helps ensure the integrity of fuel particles under accidental scenarios.This project focuses on understanding the micromechanics of deformation and fracture of surrogate TRISO fuel particles. A multiscale numerical model and advanced experimental techniques will be developed to characterize the effects of temperature and ion implantation on the mechanical properties of TRISO particles. It is expected that the model and experimental data sets help better understand the effects of thermomechanical loads on the safety and integrity of TRISO fuels.
