Title:
Ni-BASED HEAT-RESISTANT ALLOY
Document Type and Number:
WIPO Patent Application WO/2018/116810
Kind Code:
A1
Abstract:
The present invention relates to a Ni-based heat-resistant alloy that comprises 5.0–50.0 mass% of Ir, 1.0–8.0 mass% of Al, and 5.0–25.0 mass% of W, the remainder being Ni, and that has, in a matrix, γ' phases that have an L12 structure, the Ni-based heat-resistant alloy being characterized by including 0.01–3.0 mass% of Zr and/or 0.01–3.0 mass% of Hf. As compared to Ni-based heat-resistant alloys that are based on conventional Ni-Ir-Al-W alloys, this Ni-based heat-resistant alloy has improved toughness and excellent room temperature strength.
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Inventors:
ISHIDA KIYOHITO (JP)
OMORI TOSHIHIRO (JP)
SATO YUTAKA (JP)
SAKAIRI KOICHI (JP)
TANAKA KUNIHIRO (JP)
NAKAZAWA TATSUYA (JP)
OMORI TOSHIHIRO (JP)
SATO YUTAKA (JP)
SAKAIRI KOICHI (JP)
TANAKA KUNIHIRO (JP)
NAKAZAWA TATSUYA (JP)
Application Number:
PCT/JP2017/043578
Publication Date:
June 28, 2018
Filing Date:
December 05, 2017
Export Citation:
Assignee:
TOHOKU TECHNO ARCH CO LTD (JP)
TANAKA PRECIOUS METAL IND (JP)
TANAKA PRECIOUS METAL IND (JP)
International Classes:
C22C19/03; C22C30/00; C22F1/00; C22F1/10
Domestic Patent References:
WO2014142089A1 | 2014-09-18 | |||
WO2015146931A1 | 2015-10-01 |
Foreign References:
JP2013095990A | 2013-05-20 | |||
JP2007503530A | 2007-02-22 | |||
JP2008248322A | 2008-10-16 | |||
JP5721189B2 | 2015-05-20 |
Other References:
See also references of EP 3561093A4
Attorney, Agent or Firm:
TANAKA AND OKAZAKI (JP)
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