JPS6462446A - Manufacture of ni-base alloy combining high strength with high toughness and excellent in stress corrosion cracking resistance - Google Patents
Manufacture of ni-base alloy combining high strength with high toughness and excellent in stress corrosion cracking resistanceInfo
- Publication number
- JPS6462446A JPS6462446A JP21654087A JP21654087A JPS6462446A JP S6462446 A JPS6462446 A JP S6462446A JP 21654087 A JP21654087 A JP 21654087A JP 21654087 A JP21654087 A JP 21654087A JP S6462446 A JPS6462446 A JP S6462446A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- cracking resistance
- stress corrosion
- corrosion cracking
- toughness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE:To provide superior high strength and toughness as well as excellent stress corrosion cracking resistance, by subjecting an Ni-base single-crystal alloy containing specific amounts of Cr, Fe, Ti, Al, and Nb to solution heat treatment at a specific temp. and then to ageing treatment. CONSTITUTION:An Ni-phase single-crystal alloy which has a composition consisting of, by weight, 14-17% Cr, 5-9% Fe, 2.25-2.75% Ti, 0.4-1.0% Al, 0.7-1.2% Nb, and the balance Ni with inevitable impurities and containing, if necessary, 0.1-0.5% Cu is cast. This alloy is subjected to solution heat treatment at 1,200-1,300 deg.C, by which gamma'-phase is allowed to enter into solid solution. Subsequently, ageing treatment is applied to the above alloy at 680-750 deg.C for about 20-100hr. By this method, an Ni-base alloy having superior stress corrosion cracking resistance at room temp. and high temp. and simultaneously excellent in strength and toughness can be obtained. This alloy can be used for nuclear reactor structural members.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21654087A JPS6462446A (en) | 1987-09-01 | 1987-09-01 | Manufacture of ni-base alloy combining high strength with high toughness and excellent in stress corrosion cracking resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21654087A JPS6462446A (en) | 1987-09-01 | 1987-09-01 | Manufacture of ni-base alloy combining high strength with high toughness and excellent in stress corrosion cracking resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6462446A true JPS6462446A (en) | 1989-03-08 |
JPH0143833B2 JPH0143833B2 (en) | 1989-09-22 |
Family
ID=16690039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21654087A Granted JPS6462446A (en) | 1987-09-01 | 1987-09-01 | Manufacture of ni-base alloy combining high strength with high toughness and excellent in stress corrosion cracking resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6462446A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122206A (en) * | 1989-05-16 | 1992-06-16 | Mitsubishi Metal Corporation | Precipitation hardening nickel base single crystal cast alloy |
CN110804717A (en) * | 2019-11-20 | 2020-02-18 | 中南大学 | Method for refining grain structure of GH4169 alloy forging |
CN112877514A (en) * | 2021-01-12 | 2021-06-01 | 山西太钢不锈钢股份有限公司 | Heat treatment method of Ni-Cr-Fe-Al alloy plate and Ni-Cr-Fe-Al alloy plate |
CN117187705A (en) * | 2023-10-27 | 2023-12-08 | 上海交通大学 | Heat treatment method of low-Cr and high-toughness alloy |
-
1987
- 1987-09-01 JP JP21654087A patent/JPS6462446A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5122206A (en) * | 1989-05-16 | 1992-06-16 | Mitsubishi Metal Corporation | Precipitation hardening nickel base single crystal cast alloy |
CN110804717A (en) * | 2019-11-20 | 2020-02-18 | 中南大学 | Method for refining grain structure of GH4169 alloy forging |
CN112877514A (en) * | 2021-01-12 | 2021-06-01 | 山西太钢不锈钢股份有限公司 | Heat treatment method of Ni-Cr-Fe-Al alloy plate and Ni-Cr-Fe-Al alloy plate |
CN112877514B (en) * | 2021-01-12 | 2022-05-17 | 山西太钢不锈钢股份有限公司 | Heat treatment method of Ni-Cr-Fe-Al alloy plate and Ni-Cr-Fe-Al alloy plate |
CN117187705A (en) * | 2023-10-27 | 2023-12-08 | 上海交通大学 | Heat treatment method of low-Cr and high-toughness alloy |
CN117187705B (en) * | 2023-10-27 | 2024-03-26 | 上海交通大学 | Heat treatment method of low-Cr and high-toughness alloy |
Also Published As
Publication number | Publication date |
---|---|
JPH0143833B2 (en) | 1989-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |