Title:
NICKEL-BASE SUPERALLOY WITH EXCELLENT UNSUSCEPTIBILITY TO OXIDATION
Document Type and Number:
WIPO Patent Application WO/2007/037277
Kind Code:
A1
Abstract:
A nickel-base superalloy having excellent unsusceptibility to oxidation. It
is useful as high-temperature members such as turbine blades and turbine vanes for
jet engines or gas turbines. The nickel-base superalloy has a composition containing
0.1-15 wt.% Co, 0.1-10 wt.% Cr, 0.1-4.5 wt.% Mo, 0.1-15 wt.% W, 2-8 wt.% Al, 0-16
wt.% Ta+Nb+Ti, 0-5 wt.% Hf, 0.1-16 wt.% Re, 0.1-16 wt.% Ru, and 0.2-5 wt.% Si, with
the remainder being Ni and unavoidable impurities.
Inventors:
HARADA HIROSHI (JP)
KAWAGISHI KYOKO (JP)
KOBAYASHI TOSHIHARU (JP)
KOIZUMI YUTAKA (JP)
SATO ATSUSHI (JP)
KAWAGISHI KYOKO (JP)
KOBAYASHI TOSHIHARU (JP)
KOIZUMI YUTAKA (JP)
SATO ATSUSHI (JP)
Application Number:
PCT/JP2006/319183
Publication Date:
April 05, 2007
Filing Date:
September 27, 2006
Export Citation:
Assignee:
NAT INST FOR MATERIALS SCIENCE (JP)
HARADA HIROSHI (JP)
KAWAGISHI KYOKO (JP)
KOBAYASHI TOSHIHARU (JP)
KOIZUMI YUTAKA (JP)
SATO ATSUSHI (JP)
HARADA HIROSHI (JP)
KAWAGISHI KYOKO (JP)
KOBAYASHI TOSHIHARU (JP)
KOIZUMI YUTAKA (JP)
SATO ATSUSHI (JP)
International Classes:
C22C19/03; B22F5/04; C22C1/02; F01D5/28; F01D9/02; F01D25/00; F02C7/00
Domestic Patent References:
| WO2003080882A1 | 2003-10-02 |
Foreign References:
| JP2005097649A | 2005-04-14 | |||
| JP2002146460A | 2002-05-22 |
Other References:
KOIZUMI Y. ET AL.: "Dai 2 Sedai Ni-ki Tankessho Chogokin TSM-82+ no Chojikan Creep Tokusei", NIPPON KONZOKU GAKKAISHI, vol. 69, no. 8, 20 August 2005 (2005-08-20), pages 743 - 746, XP003001791
See also references of EP 1930455A4
See also references of EP 1930455A4
Attorney, Agent or Firm:
NISHIZAWA, Toshio (11-1 Minami-Aoyama 6-chome, Minato-k, Tokyo 62, JP)
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