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Oxidation resistant filler metals for direct brazing of structural ceramics

Patent ·
OSTI ID:5660775
A method is described of joining ceramic and metal components to themselves and to one another comprising assembling surfaces of components to be joined in an abutting relationship with a brazing filler metal disposed therebetween. The filler metal is trinickel aluminide consisting essentially of 23 to 25 atomic percent aluminum and the balance nickel, heating the resulting assembly to a brazing temperature in the range of 1450/sup 0/C to 1550/sup 0/C under nonoxidizing conditions and cooling the resulting braze joint.
Assignee:
Dept. of Energy, Washington, DC
Patent Number(s):
US 4596354
OSTI ID:
5660775
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALLOYS
ALUMINIUM ALLOYS
BRAZED JOINTS
BRAZING
BRAZING ALLOYS
CERAMICS
CHEMICAL REACTIONS
COOLING
CORROSION RESISTANT ALLOYS
FABRICATION
FILLER METALS
HEATING
HIGH TEMPERATURE
JOINING
JOINTS
NICKEL ALLOYS
NICKEL BASE ALLOYS
OXIDATION
VERY HIGH TEMPERATURE
WELDED JOINTS
WELDING