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Meeting MS&T21: Materials Science & Technology
Symposium Ceramic Matrix Composites
Presentation Title Ceramic Matrix Composite Technologies for Accident-tolerant Fuel Applications – Progress and Opportunities
Author(s) Yutai Katoh, Takaaki Koyanagi, David Arregui-Mena, Peter Mouche, Ken Kane, Peng Xu, Christian Deck
On-Site Speaker (Planned) Yutai Katoh
Abstract Scope Nuclear energy continues being an important baseline electricity source with the minimal carbon footprint. In pursuit of inherently safe and economical nuclear energy, development of SiC-based ceramic matrix composite materials continues as the enabling technology for accident-tolerant fuels and core structures for the current fleet and future reactors. The recent research and development focuses include the mechanisms of and mitigation for potential hermeticity compromise, oxidation and environmentally assisted failure in the severe accident conditions, integrated in-pile testing of surrogate and fueled rodlets, and the other technical basis toward the lead test rod program. This paper overviews the recent development of materials and technologies and discusses the needs and opportunities for materials science and engineering research. This study was supported by the US Department Energy, Office of Nuclear Energy, Accident Tolerant Fuels program and Westinghouse Electric Corporation/General Atomics FOA program under contact DE-AC05-00OR22725 with ORNL, managed by UT Battelle, LLC.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Ceramic Matrix Composite Technologies for Accident-tolerant Fuel Applications – Progress and Opportunities
Developmental Efforts on Alternative Building Material using Kaolin-based Geopolymer from Local Sources in Nigeria
Developments in Laser-CVD to Produce SiC and Si3N4 Fibers for CMC Reinforcement
Effectiveness of Mechanical Reinforcement of Carbon Nanotubes on Boron Carbide Through In-situ High Loading Indentation
High Temperature Composites Based on Zirconia Cement. High Temperature Composites Based on Ceramic Cements.
Interfacial Fracture Toughness on SiC/SiC CMCs
Oxidation of BN Coatings in SiC/SiC Composites
P1-1: High Performance Oxide-Oxide CMCs
Static Fatigue of Hi-Nicalon-S Fiber Tows at Elevated Temperature in Air and in Steam
Subcritical Crack Growth during Static Fatigue of Hi-Nicalon-S SiC Fiber
Synchrotron Tomography of SiC/SiC Minicomposites to Observe and Quantify Damage Evolution
Synergistic Effects of Oxidation and Applied Load on SiC/BN/SiC Ceramic Matrix Composite Durability at Intermediate Temperatures
The Effect of Nanosized Additives on the Properties of Silicon Carbide-based Materials
Tribological Performance of HfB2-ZrB2 Based Ultra High Temperature Ceramics Consolidated via Spark Plasma Sintering

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