Metal treatment – Compositions – Heat treating
Patent
1977-06-27
1980-06-17
Kendall, Ralph S.
Metal treatment
Compositions
Heat treating
148 63, 228194, 228208, 228263R, 428661, 428667, B23K 1900
Patent
active
042082226
ABSTRACT:
An interlayer for transient liquid phase diffusion bonding is provided by depositing a metallic coating on at least one of the superalloy surfaces to be bonded and boriding a portion of the metallic coating to form a working coating having an overall composition resembling that of an interlayer alloy and an overall melting temperature less than that of the superalloys. When the superalloy surfaces are placed in contact and heated to above said melting temperature, the partially borided metallic coating functions as an interlayer alloy to effect bonding.
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patent: 3678570 (1972-07-01), Paulonis et al.
patent: 3753794 (1973-08-01), Paulonis et al.
patent: 4005988 (1977-02-01), Paulonis et al.
patent: 4059217 (1977-11-01), Woodward
patent: 4122992 (1978-10-01), Duvall et al.
Barlow Melvin C.
Basche, deceased Malcolm
Loersch Joseph F.
Kendall Ralph S.
Nessler Charles G.
Timmer Edward J.
United Technologies Corporation
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