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Characterization of Ceramic Matrix Composite Fasteners Exposed in a Combustion Liner Rig TestCombustion tests on SiC/SiC CMC (Ceramic Matrix Composite) components were performed in an aircraft combustion environment using the Rich-burn, Quick-quench, Lean-burn (RQL) sector rig. SiC/SiC fasteners were used to attach several of these components to the metallic rig structure. The effect of combustion exposure on the fastener material was characterized via microstructural examination. Fasteners were also destructively tested, after combustion exposure, and the failure loads of fasteners exposed in the sector rig were compared to those of as-manufactured fasteners. Combustion exposure reduced the fastener failure load by 50% relative to the as-manufactured fasteners for exposure times ranging from 50 to 260 hours. The fasteners exposed in the combustion environment demonstrated failure loads that varied with failure mode. Fasteners that had the highest average failure load, failed in the same manner as the unexposed fasteners.
Document ID
20020073025
Acquisition Source
Glenn Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Verrilli, Michael J. (NASA Glenn Research Center Cleveland, OH United States)
Brewer, David (NASA Glenn Research Center Cleveland, OH United States)
Gray, Hugh R.
Date Acquired
September 7, 2013
Publication Date
January 1, 2002
Subject Category
Nonmetallic Materials
Meeting Information
Meeting: ASME TURBO EXPO 2002
Location: Amsterdam
Country: Netherlands
Start Date: June 3, 2002
End Date: June 6, 2002
Sponsors: American Society of Mechanical Engineers
Funding Number(s)
PROJECT: RTOP 714-04-30
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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