EP3985139A4 - Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method therefor - Google Patents
Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method therefor Download PDFInfo
- Publication number
- EP3985139A4 EP3985139A4 EP20821820.6A EP20821820A EP3985139A4 EP 3985139 A4 EP3985139 A4 EP 3985139A4 EP 20821820 A EP20821820 A EP 20821820A EP 3985139 A4 EP3985139 A4 EP 3985139A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- preparation
- low
- method therefor
- temperature alloy
- chromium corrosion
- 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.)
- Pending
Links
- 239000000956 alloy Substances 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 title 1
- 229910052804 chromium Inorganic materials 0.000 title 1
- 239000011651 chromium Substances 0.000 title 1
- 238000005260 corrosion Methods 0.000 title 1
- 230000007797 corrosion Effects 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/023—Alloys based on nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910515309.7A CN110106398B (en) | 2019-06-14 | 2019-06-14 | Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method thereof |
PCT/CN2020/095958 WO2020249113A1 (en) | 2019-06-14 | 2020-06-12 | Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method therefor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3985139A1 EP3985139A1 (en) | 2022-04-20 |
EP3985139A4 true EP3985139A4 (en) | 2023-07-26 |
Family
ID=67494994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20821820.6A Pending EP3985139A4 (en) | 2019-06-14 | 2020-06-12 | Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method therefor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3985139A4 (en) |
CN (1) | CN110106398B (en) |
WO (1) | WO2020249113A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110106398B (en) * | 2019-06-14 | 2020-08-18 | 中国华能集团有限公司 | Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method thereof |
CN111411266B (en) * | 2020-05-08 | 2021-03-16 | 中国华能集团有限公司 | Preparation process of nickel-based high-tungsten polycrystalline superalloy |
CN111471897B (en) * | 2020-05-08 | 2021-06-29 | 华能国际电力股份有限公司 | Preparation and forming process of high-strength nickel-based high-temperature alloy |
CN111394620B (en) * | 2020-05-08 | 2021-01-22 | 华能国际电力股份有限公司 | Machining and forming process of high-strength nickel-based high-temperature alloy bar |
CN111394621A (en) * | 2020-05-08 | 2020-07-10 | 中国华能集团有限公司 | Deformation high-temperature alloy capable of forming composite corrosion-resistant layer and preparation process thereof |
CN111394619A (en) * | 2020-05-08 | 2020-07-10 | 华能国际电力股份有限公司 | High-strength corrosion-resistant nickel-based polycrystalline high-temperature alloy and preparation method thereof |
CN112458339A (en) * | 2020-10-26 | 2021-03-09 | 江苏新核合金科技有限公司 | Corrosion-resistant alloy for high-temperature fan and preparation method thereof |
CN113667907B (en) * | 2021-08-27 | 2022-05-24 | 华能国际电力股份有限公司 | High-strength corrosion-resistant alloy for 650 ℃ grade thermal power generating unit and preparation method thereof |
CN115846403B (en) * | 2022-09-23 | 2023-08-15 | 贵州大学 | Cobalt-based alloy with long rod-shaped phase structure of a large number of stacking faults and deformation nanometer twin crystals and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769087A (en) * | 1986-06-02 | 1988-09-06 | United Technologies Corporation | Nickel base superalloy articles and method for making |
US5882586A (en) * | 1994-10-31 | 1999-03-16 | Mitsubishi Steel Mfg. Co., Ltd. | Heat-resistant nickel-based alloy excellent in weldability |
EP2354262A1 (en) * | 2010-02-05 | 2011-08-10 | Hitachi, Ltd. | Ni based alloy for forging and components for steam turbine plant using same |
US20150336217A1 (en) * | 2013-01-11 | 2015-11-26 | Siemens Aktiengesellschaft | Boron-free solder with manganese and germanium, powder and repair method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4982324B2 (en) * | 2007-10-19 | 2012-07-25 | 株式会社日立製作所 | Ni-based forged alloy, forged parts for steam turbine plant, boiler tube for steam turbine plant, bolt for steam turbine plant, and steam turbine rotor |
CN100588730C (en) * | 2008-05-23 | 2010-02-10 | 北京科技大学 | Rich chromium evolution phase reinforcing high chromated nickel base high-temperature alloy and preparation thereof |
CN110106398B (en) * | 2019-06-14 | 2020-08-18 | 中国华能集团有限公司 | Low-chromium corrosion-resistant high-strength polycrystalline high-temperature alloy and preparation method thereof |
-
2019
- 2019-06-14 CN CN201910515309.7A patent/CN110106398B/en active Active
-
2020
- 2020-06-12 WO PCT/CN2020/095958 patent/WO2020249113A1/en unknown
- 2020-06-12 EP EP20821820.6A patent/EP3985139A4/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769087A (en) * | 1986-06-02 | 1988-09-06 | United Technologies Corporation | Nickel base superalloy articles and method for making |
US5882586A (en) * | 1994-10-31 | 1999-03-16 | Mitsubishi Steel Mfg. Co., Ltd. | Heat-resistant nickel-based alloy excellent in weldability |
EP2354262A1 (en) * | 2010-02-05 | 2011-08-10 | Hitachi, Ltd. | Ni based alloy for forging and components for steam turbine plant using same |
US20150336217A1 (en) * | 2013-01-11 | 2015-11-26 | Siemens Aktiengesellschaft | Boron-free solder with manganese and germanium, powder and repair method |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020249113A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN110106398B (en) | 2020-08-18 |
WO2020249113A1 (en) | 2020-12-17 |
EP3985139A1 (en) | 2022-04-20 |
CN110106398A (en) | 2019-08-09 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20220113 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: ZHANG, XINXING Inventor name: YANG, ZHENG Inventor name: YUAN, YONG Inventor name: GU, YUEFENG Inventor name: YAN, JINGBO |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20230627 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22F 1/10 20060101ALI20230621BHEP Ipc: C22C 1/02 20060101ALI20230621BHEP Ipc: C22C 19/05 20060101AFI20230621BHEP |