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High Temperature Joining and Characterization of Joint Properties in Silicon Carbide-Based Composite MaterialsAdvanced silicon carbide-based ceramics and composites are being developed for a wide variety of high temperature extreme environment applications. Robust high temperature joining and integration technologies are enabling for the fabrication and manufacturing of large and complex shaped components. The development of a new joining approach called SET (Single-step Elevated Temperature) joining will be described along with the overview of previously developed joining approaches including high temperature brazing, ARCJoinT (Affordable, Robust Ceramic Joining Technology), diffusion bonding, and REABOND (Refractory Eutectic Assisted Bonding). Unlike other approaches, SET joining does not have any lower temperature phases and will therefore have a use temperature above 1315C. Optimization of the composition for full conversion to silicon carbide will be discussed. The goal is to find a composition with no remaining carbon or free silicon. Green tape interlayers were developed for joining. Microstructural analysis and preliminary mechanical tests of the joints will be presented.
Document ID
20150023576
Acquisition Source
Glenn Research Center
Document Type
Presentation
Authors
Halbig, Michael C. (NASA Glenn Research Center Cleveland, OH United States)
Singh, Mrityunjay (Ohio Aerospace Inst. Cleveland, OH, United States)
Date Acquired
December 31, 2015
Publication Date
October 4, 2015
Subject Category
Composite Materials
Aircraft Propulsion And Power
Report/Patent Number
GRC-E-DAA-TN27179
Meeting Information
Meeting: 2015 Materials Science & Technology Conference & Exhibition
Location: Columbus, OH
Country: United States
Start Date: October 4, 2015
End Date: October 8, 2015
Sponsors: American Ceramic Society
Funding Number(s)
WBS: WBS 109492.02.03.02.02.01
CONTRACT_GRANT: NNC13BA10B
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
Joining
Composite Materials

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