Powdered Metal Braze Preforms (WideGapTM)for Joining of C:C Refractory Composite Materials

	Langley Research Center 1995 Phase II Powdered Metal Braze Preforms (WideGap^TM) for Joining of C:C Refractory Composite Materials Materials Resources International Lansdale, PA
INNOVATION The use of powder preform compositions and methods for active WideGap™ brazing of dissimilar materials, including refractory composites, ceramics and refractory metals	C:C Joined to Molybdenum Optional Powerpoint file
ACCOMPLISHMENTS Successfully demonstrated the joining of C:C to molybdenum and other refractory metals Joined C:C to C:C and to refractory metals for possible use in rocket engines or processing furnaces Demonstrated methodologies to use economic powder preforms for joining across wide gaps and for joining dissimilar materials where the preform must accommodate CTE mismatches	C:C Joined to Molybdenum Optional Powerpoint file
COMMERCIALIZATION Ceramic/metal seals for aggressive chemical environments Ceramics to metal feed-throughs and seals High temperature ceramic tile and refractory thermal protection systems 1998 sales of $50,000 are expected with sales of $150,000 in 1999	GOVERNMENT/SCIENCE APPLICATIONS Thruster nozzles for space propulsion and satellite positioning engines Thermal protection systems for aircraft and rocket engine components High temperature furnaces Instrumentation protection in hot gases
For more information about this firm, please send e-mail to company representative Return to NASA SBIR Success Listings	Curator: SBIR Support