NSUF 17-978: Micromechanical properties of interfacial elements in advanced SiC composite and its environmentally protective coatings

Silicon carbide (SiC) has been demonstrated as a highly capable engineering material for nuclear energy. Continuous SiC fiber-reinforced SiC-matrix (SiC/SiC) composites are particularly attractive for their tailorable, predictable, and reliable mechanical properties and excellent damage tolerance. Such advantages of the SiC/SiC composites are enabled by the fiber-matrix interface. This project will determine the interfacial mechanical properties in the SiC/SiC composites in unirradiated and irradiated conditions by novel micro-mechanical test methods. Mechanical properties of the interface elements in environmentally barrier-coated SiC/SiC composites will be determined in a similar manner. The results will be analyzed in relation with the microstructural evolutions in the interface elements during the neutron irradiation. These innovative and unique experiments will provide useful information of true bonding strength and sliding stresses at interfaces, the essential constitutive properties for the composite and coated materials.

Дополнительная информация

Поле Величина
Awarded Institution Oak Ridge National Laboratory
Embargo End Date 2026-02-27
Facility Tech Lead Alina Montrose, Mukesh Bachhav, Peter Hosemann
NSUF Call FY 2017 RTE 2nd Call
PI Yutai Katoh
Project Member Yutai Katoh, Distinguished Research Staff - Oak Ridge National Laboratory (https://orcid.org/0000-0001-9494-5862)
Project Notes Awarded on 04/24/2017
Project Type RTE
Publication Evaluation of Irradiation-Induced Strain in SiC Tubes by a Combination of Experiment and Simulation Takaaki Koyanagi, Yutai Katoh, Christian Petrie, Kurt Terrani Transactions of the American Nuclear Society 118 2018-06-18 https://www.osti.gov/servlets/purl/1456800
Publication Micro-Cantilever Testing of Environmental Barrier Coatings on CVD SiC Peter Hosemann, Yutai Katoh ANS Annual Meeting 2018 2018-06-18 - 2018-06-22
Publication Mechanical properties of SiC composites neutron irradiated under light water reactor relevant temperature and dose conditions Yutai Katoh, Takaaki Koyanagi Journal of Nuclear Materials 494 2017-07-04 http://www.sciencedirect.com/science/article/pii/S0022311517306505
RTE Number 978