Title:
高温合金
Document Type and Number:
Japanese Patent JP2006505694
Kind Code:
A
Abstract:
An improved nickel-chromium-iron alloy is provided, which comprises up to about 5% of hafnium-containing particles. In one embodiment, an improved creep resistant castable oxide dispersion strengthened nickel-chromium-iron alloy comprises up to about 5% of hafnium, with at least part of the hafnium being present as finely dispersed oxidised particles. Further embodiments of the improved alloy can comprise additionally up to about 15% by weight aluminium. The alloy is particularly useful in the production of creep resistant tubes and castings, for example, for the petrochemical market.
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Inventors:
Dominique marianne lucien flahout
Application Number:
JP2004549307A
Publication Date:
February 16, 2006
Filing Date:
October 30, 2003
Export Citation:
Assignee:
Doncasters Limited
International Classes:
C22C38/00; B22D1/00; B22D13/02; B22D27/20; C21C7/04; C22C19/05; C22C30/00; C22C32/00; C22C33/02; C22C38/02; C22C38/04; C22C38/40; C22C38/44; C22C38/48; C22C38/50; C22C38/58; C22C38/60
Domestic Patent References:
| JPH05255797A | 1993-10-05 |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe