EP3985139A4 - CORROSION RESISTANT, HIGH STRENGTH, HIGH TEMPERATURE, LOW CHROMIUM, POLYCRYSTALLINE ALLOY AND METHOD OF PRODUCTION - Google Patents

CORROSION RESISTANT, HIGH STRENGTH, HIGH TEMPERATURE, LOW CHROMIUM, POLYCRYSTALLINE ALLOY AND METHOD OF PRODUCTION Download PDF

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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
Application number
EP20821820.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3985139A1 (en
Inventor
Jingbo Yan
Yuefeng Gu
Yong Yuan
Zheng Yang
Xinxing ZHANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Thermal Power Research Institute Co Ltd
Original Assignee
Xian Thermal Power Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xian Thermal Power Research Institute Co Ltd filed Critical Xian Thermal Power Research Institute Co Ltd
Publication of EP3985139A1 publication Critical patent/EP3985139A1/en
Publication of EP3985139A4 publication Critical patent/EP3985139A4/en
Pending legal-status Critical Current

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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)
EP20821820.6A 2019-06-14 2020-06-12 CORROSION RESISTANT, HIGH STRENGTH, HIGH TEMPERATURE, LOW CHROMIUM, POLYCRYSTALLINE ALLOY AND METHOD OF PRODUCTION Pending EP3985139A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910515309.7A CN110106398B (zh) 2019-06-14 2019-06-14 一种低铬耐蚀高强多晶高温合金及其制备方法
PCT/CN2020/095958 WO2020249113A1 (zh) 2019-06-14 2020-06-12 一种低铬耐蚀高强多晶高温合金及其制备方法

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 CORROSION RESISTANT, HIGH STRENGTH, HIGH TEMPERATURE, LOW CHROMIUM, POLYCRYSTALLINE ALLOY AND METHOD OF PRODUCTION

Country Status (3)

Country Link
EP (1) EP3985139A4 (zh)
CN (1) CN110106398B (zh)
WO (1) WO2020249113A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110106398B (zh) * 2019-06-14 2020-08-18 中国华能集团有限公司 一种低铬耐蚀高强多晶高温合金及其制备方法
CN111394621A (zh) * 2020-05-08 2020-07-10 中国华能集团有限公司 一种可形成复合耐蚀层的变形高温合金及其制备工艺
CN111394620B (zh) * 2020-05-08 2021-01-22 华能国际电力股份有限公司 一种高强镍基高温合金棒材的加工成型工艺
CN111471897B (zh) * 2020-05-08 2021-06-29 华能国际电力股份有限公司 一种高强镍基高温合金制备成型工艺
CN111394619A (zh) * 2020-05-08 2020-07-10 华能国际电力股份有限公司 一种高强耐蚀镍基多晶高温合金及其制备方法
CN111411266B (zh) * 2020-05-08 2021-03-16 中国华能集团有限公司 一种镍基高钨多晶高温合金的制备工艺
CN112458339A (zh) * 2020-10-26 2021-03-09 江苏新核合金科技有限公司 一种高温风机用耐蚀合金及其制备方法
CN113667907B (zh) * 2021-08-27 2022-05-24 华能国际电力股份有限公司 一种650℃级火电机组用高强耐蚀合金及制备方法
CN115846403B (zh) * 2022-09-23 2023-08-15 贵州大学 一种具有大量层错和形变纳米孪晶的长棒状相组织的钴基合金及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4982324B2 (ja) * 2007-10-19 2012-07-25 株式会社日立製作所 Ｎｉ基鍛造合金、蒸気タービンプラント用鍛造部品、蒸気タービンプラント用ボイラチューブ、蒸気タービンプラント用ボルト及び蒸気タービンロータ
CN100588730C (zh) * 2008-05-23 2010-02-10 北京科技大学 由富铬析出相强化的高铬镍基高温合金及其制备方法
CN110106398B (zh) * 2019-06-14 2020-08-18 中国华能集团有限公司 一种低铬耐蚀高强多晶高温合金及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020249113A1 *

Also Published As

Publication number Publication date
CN110106398A (zh) 2019-08-09
EP3985139A1 (en) 2022-04-20
WO2020249113A1 (zh) 2020-12-17
CN110106398B (zh) 2020-08-18

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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