High temperature-resistant composite

Details High temperature-resistant composite High temperature-resistant composite

1991-06-25

1992-04-07

Straub, Gary P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

22826312, 228221, 22826321, 428660, 428661, B32B 1504, B23K 100

Patent

active

051027470

ABSTRACT:
The invention relates to a high temperature-resistant composite which consists of at least one part of molybdenum or a molybdenum alloy, and at least one part of graphite, which parts are joined together by means of a zirconium solder. A two-ply interlayer, consisting of a 0.01-0.5 mm thick layer of vanadium, and a 0.1-0.5 mm thick layer of tungsten, tantalum or niobium, is arranged between the part of molybdenum or the molybdenum alloy and the zirconium solder. The layer structure substantially prevents the formation of a eutectic between molybdenum or the molybdenum alloy and the zirconium solder, thereby preventing the reduction of the maximum permissible use temperature of the composite.

REFERENCES:
patent: 3565591 (1971-02-01), Canonico et al.
patent: 3691607 (1972-09-01), Bondley
patent: 3710170 (1973-01-01), Friedel
patent: 3731128 (1973-05-01), Haberrecker
patent: 4597095 (1986-06-01), Akpan

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