Powdered Metal Braze Preforms (WideGap) for Joining of

Powdered Metal Braze Preforms (WideGap) for Joining of

Powdered Metal Braze Preforms (WideGap)
for Joining of C:C Refractory Composite
Materials
Materials Resources International

WideGap Joint

Carbon:Carbon

North Wales, PA
INNOVATION
The use of powder preform compositions and methods for active
WideGap brazing of dissimilar materials, including refractory
composites, ceramics and refractory metals.
ACCOMPLISHMENTS
C:C Joined to Molybdenum
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.
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.

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