Spacer for furnace brazing having low wettability coating thereo

Details Spacer for furnace brazing having low wettability coating thereo Spacer for furnace brazing having low wettability coating thereo

1984-11-13

1987-01-20

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of metal

428472, 428688, B32B 900

Patent

active

046379606

ABSTRACT:
A spacer for brazing having a main body made of a steel plate such as a hot rolled steel plate, a stainless steel plate or the like and a coating provided on the surfaces of the main body by a flame spraying process such as a metal spraying process or a plasma spraying process. The coating is an inorganic substance which is low in wettability in relation to a brazing filler metal. When the brazing filler metal is a copper series one, the inorganic substance is a metal oxide such as a lumina, zirconia, a mixture of zirconia and titania, magnesium zirconate or the like, or an inorganic nitride such as boron nitride or the like.

REFERENCES:
patent: 3052590 (1962-09-01), Maros et al.
patent: 3057445 (1962-10-01), Bronnes
patent: 3136656 (1964-06-01), Elliott
patent: 3186867 (1965-06-01), Forslund et al.
patent: 3662144 (1972-05-01), De Haeck
patent: 4223199 (1980-09-01), Steigerwald et al.

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