High temperature steam oxidation of Cr-coated SiCf/SiC composite for LWR cladding applications

Conference · Sun Sep 01 00:00:00 EDT 2019

OSTI ID:1566990

Lee, Yoonjo  ^[1]; Koyanagi, Takaaki  ^[1]; Pint, Bruce  ^[1]; Kato, Yutai  ^[1]

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1. ORNL

Chromium-coated silicon carbide fiber-reinforced ceramic matrix composites are potentially applicable to accident tolerant fuel cladding in light water reactors. Cr-coated silicon carbide composite, chemical vapor deposited silicon carbide, and pure Cr-metal were oxidized in 100% steam at atmospheric pressure for 4 hours using a thermogravimetric analyzer. Post-oxidation chemical analysis, phase identification and microstructural characterization indicates that the Cr coating layers did not adversely affect silicon carbide substrate under these conditions.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-00OR22725
• OSTI ID: 1566990
• Resource Relation: Conference: Global/Top Fuel 2019 - Seattle, Washington, United States of America - 9/22/2019 12:00:00 PM-9/27/2019 12:00:00 PM
• Country of Publication: United States
• Language: English