Method for welding age-hardenable nickel-base alloys

Details Method for welding age-hardenable nickel-base alloys Method for welding age-hardenable nickel-base alloys

1998-09-15

1999-09-14

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148528, 228199, 2282623, B23K 2002

Patent

active

059517921

ABSTRACT:
In a method for welding age-hardenable nickel-base alloys, a workpiece (5) made from an age-hardenable nickel-base alloy (1, 2) is welded with filler material of the same composition as the base material. The weld metal (3) which is formed in so doing is covered by a sealed covering layer (4) comprising a ductile material and the workpiece (5) is subjected to hot isostatic pressing (HIP).

REFERENCES:
patent: 4581300 (1986-04-01), Hoppin et al.
patent: 4869645 (1989-09-01), Verpoort
"Untersuchungen zum Diffusionsschweissen einer Ni3Al-Legierung", Chuang, et al., Schweissen und Schneiden 44 (1992), pp. 559-564.
Handbuch der Schweisstechnik, Band I: Werkstoffe, J. Ruge, 1992, pp. 253-255.

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