Title:
ニッケル又はコバルトを主成分とする超合金物品を溶接する方法
Document Type and Number:
Japanese Patent JP4969756
Kind Code:
B2
Abstract:
A process is provided for welding a nickel or cobalt based superalloy article to minimize cracking by preheating the entire weld area to a maximum ductility temperature range, maintaining such temperature during welding and solidification of the weld, raising the temperature for stress relief of the superalloy, then cooling at a rate effective to minimize gamma prime precipitation.
Inventors:
Foster michael
Up De Grove, Kevin
Up De Grove, Kevin
Application Number:
JP2001583972A
Publication Date:
July 04, 2012
Filing Date:
February 21, 2001
Export Citation:
Assignee:
Chromaloy Gas Turbine Corporation
International Classes:
B23K31/00; F02C7/00; B23K9/23; B23K20/00; B23K26/34; B23K28/02; B23K9/04; B23K35/30; B23K103/08
Domestic Patent References:
| JP5192785A | ||||
| JP6218573A | ||||
| JP7145703A | ||||
| JP8170132A | ||||
| JP9506039A | ||||
| JP10510323A | ||||
| JP2000042755A |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeru Sakuma
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeru Sakuma