Method of joining Ni-base heat resisting alloys

Details Method of joining Ni-base heat resisting alloys Method of joining Ni-base heat resisting alloys

1985-10-02

1987-07-21

Jordan, M.

Metal fusion bonding

Process

With pretreating other than heating or cooling of work part...

228194, B23K 104, B23K 2024

Patent

active

046812512

ABSTRACT:
There is disclosed a method of joining Ni-base heat-resisting alloys which comprises forming, under an inert atmosphere, an aluminum layer on at least surfaces to be joined of a constructional member which has been divided into a plural number of parts composed of a Ni-base heat-resisting alloy reinforced by a .gamma.' phase in Ni.sub.3 Al system, followed by heating the parts so that said aluminum is dispersed in said Ni-base heat-resisting alloys, the joining portion (joint) contains substantially no .beta.-NiAl phase and a .gamma.'-Ni.sub.3 Al phase is dispersed therein to join the parts. The joint provided by the method according to the present invention has been improved in its strength and corrosion resistance at a high temperature. Further, the method according to the present invention can be carried out with a high degree of freedom in supplying a joining filler metal.

REFERENCES:
patent: 3466737 (1969-09-01), Hanink
patent: 3530568 (1970-09-01), Owczarski et al.
patent: 3649502 (1972-03-01), Herte et al.
patent: 4166783 (1979-09-01), Turner
patent: 4166784 (1979-09-01), Chapin et al.
patent: 4204942 (1980-05-01), Chahroudi
Komatsu et al "Investigation of Heat Treatment in the Liquid-Phase Diffusion Bonding of IN738LC," Report by the Japanese Association of Metal, Mar. 20, 1981.
ASME, Repair of Turbine Blades and Vanes, Apr. 8-12, 1973, p. 13, D. S. Duvall and J. R. Doyle.
Welding Journal, Metglas Brazing Foil, Jul. 1978, pp. 33-38, by N. Cristofaro and C. Henschel.

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