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EP2076616A1 - Nickelbasis-superlegierungen - Google Patents

Nickelbasis-superlegierungen

Info

Publication number
EP2076616A1
EP2076616A1 EP07803558A EP07803558A EP2076616A1 EP 2076616 A1 EP2076616 A1 EP 2076616A1 EP 07803558 A EP07803558 A EP 07803558A EP 07803558 A EP07803558 A EP 07803558A EP 2076616 A1 EP2076616 A1 EP 2076616A1
Authority
EP
European Patent Office
Prior art keywords
superalloy
nickel
base
component according
alloy
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
Application number
EP07803558A
Other languages
English (en)
French (fr)
Other versions
EP2076616B1 (de
Inventor
Magnus Hasselqvist
Gordon Mccolvin
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.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to EP07803558.1A priority Critical patent/EP2076616B1/de
Publication of EP2076616A1 publication Critical patent/EP2076616A1/de
Application granted granted Critical
Publication of EP2076616B1 publication Critical patent/EP2076616B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056Alloys 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%

Definitions

  • the invention relates to nickel-base superalloys and to com- ponents containing these alloys.
  • Nickel-base superalloys are used in applications where a combination of high strength and a strong resistance to chemical attacks at high temperatures is needed. They are employed for the production of components of gas turbines such as blades and vanes. These parts are arranged in the hot section of a turbine and thus have to withstand high temperatures and an aggressive atmosphere.
  • Nickel-base superalloys and components of the above mentioned kind are disclosed for example in US 6,818,077, US 6,419,763, US 6,177,046, EP 0 789 087 and EP 0 637 474.
  • the nickel-base superalloy of the invention comprises in wt%: Co + Fe + Mn 0 - 20
  • the superalloy consists of these elements. Especially one, several or all optionally listed elements are present in the alloy. "Present” means that the amount of this element is measurable higher than the known impurity level of this element in a nickel based super alloy. That means that the amount of this element is at least twice the impurity level of this element in a nickel powder based alloy.
  • the alloy contains significant levels of Al, Cr and Ta to provide a combination of high strength, high oxidation resistance and high corrosion resistance.
  • the amount of Ti should not exceed 0.45, the amount of Nb should not exceed 0.28, and the amount of V should not exceed 1 wt% respectively.
  • the amount of matrix strengthening elements Mo, W, Re and Rh is between 2 and 8 wt%.
  • Other elements like Hf, C, B, Zr, Ca, Mg, Cu, Y, La, Sc, Ce, actinides and lanthanides, and Si can be present in the superalloy in order to adapt its properties to special needs such as grain boundary strengthening, oxide scale fortifica- tion, and compatibility with specific coating systems.
  • the content of Ti can be in the range (in wt%) of 0-0.40. Preferably it can be 0-0.35, more preferably 0-0.30 and most preferably 0-0.20.
  • Nb in wt%) can be in the range of 0-0.25, preferably 0-0.20, more preferably 0- 0.15 and most preferably 0-0.10.
  • the content of C (in wt%) can be in the range of 0-0.15, preferably 0- 0.08, more preferably 0.01-0.06 and most preferably 0.02-0.04
  • the superalloy of the invention can also contain B in the range (in wt%) of 0-0.02, preferably 0-0.01, more preferably 0.001-0.008 and most preferably 0.003-0.007.
  • a conventional cast component, directionally solidified component and a single crystal component, which comprise the super alloy are provided.
  • the components of the invention can especially be part of a gas turbine, for example a turbine blade or vane, or as filler material, for example for laser welding of gas turbine components .
  • the superalloy comprises the elements Ni, Co, Cr, Mo, W, Al, Ta, Hf, C and B and very especially consists only of these elements.
  • the particle content was measured to be ⁇ 60 vol%.
  • Table 2 shows a further preferred embodiment of the invention .
  • the superalloy comprises the elements Ni, Co, Cr, Mo, W, Al, Ta, Hf, Zr, C and B and very especially consists only of these elements.
  • composition in Table 2 had an average content of sulphur (S) estimated to be ⁇ 30ppm, at which it should be severely detrimental, and the Al content is a comparatively moderate 4.5%.
  • composition in Table 2 has a lower particle content than the composition in Table 1, about 45 vol% rather than about 60vol%, and should therefore have a larger heat treatment window, and be at least as stable. With 16%Cr and a low level of the detrimental element Mo it will also have a high corrosion resistance.
  • Ta is a very potent strengthening element.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP07803558.1A 2006-10-17 2007-09-20 Nickelbasis-superlegierungen Active EP2076616B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07803558.1A EP2076616B1 (de) 2006-10-17 2007-09-20 Nickelbasis-superlegierungen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06021724A EP1914327A1 (de) 2006-10-17 2006-10-17 Nickel-Basis-Superlegierung
PCT/EP2007/059936 WO2008046708A1 (en) 2006-10-17 2007-09-20 Nickel-base superalloys
EP07803558.1A EP2076616B1 (de) 2006-10-17 2007-09-20 Nickelbasis-superlegierungen

Publications (2)

Publication Number Publication Date
EP2076616A1 true EP2076616A1 (de) 2009-07-08
EP2076616B1 EP2076616B1 (de) 2015-10-28

Family

ID=37714689

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06021724A Withdrawn EP1914327A1 (de) 2006-10-17 2006-10-17 Nickel-Basis-Superlegierung
EP07803558.1A Active EP2076616B1 (de) 2006-10-17 2007-09-20 Nickelbasis-superlegierungen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06021724A Withdrawn EP1914327A1 (de) 2006-10-17 2006-10-17 Nickel-Basis-Superlegierung

Country Status (5)

Country Link
US (1) US20100296962A1 (de)
EP (2) EP1914327A1 (de)
JP (1) JP5124582B2 (de)
CN (1) CN101528959B (de)
WO (1) WO2008046708A1 (de)

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RU2371495C1 (ru) * 2008-06-20 2009-10-27 Открытое акционерное общество "Всероссийский Институт Легких сплавов" (ОАО ВИЛС) Жаропрочный порошковый никелевый сплав
US20100034692A1 (en) * 2008-08-06 2010-02-11 General Electric Company Nickel-base superalloy, unidirectional-solidification process therefor, and castings formed therefrom
RU2367698C1 (ru) * 2008-08-15 2009-09-20 Юлия Алексеевна Щепочкина Сплав для изготовления штампового инструмента
RU2383642C1 (ru) * 2008-10-29 2010-03-10 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Жаропрочный литейный сплав на основе никеля
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CN104087786B (zh) * 2014-06-25 2016-06-15 盐城市鑫洋电热材料有限公司 一种镍铬电热复合材料及其制备方法
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RU2626118C2 (ru) * 2015-09-17 2017-07-21 Открытое акционерное общество "Научно-производственное объединение "Сатурн" Литейный жаропрочный сплав на основе никеля
CN105349811B (zh) * 2015-11-11 2017-04-05 江西理工大学 提高镍基单晶高温合金铸造过程中稀土元素收得率的方法
RU2685455C2 (ru) * 2015-12-15 2019-04-18 Открытое акционерное общество "Научно-производственное объединение "Сатурн" Литейный никелевый сплав с равноосной структурой
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CN106636760B (zh) * 2017-01-16 2019-01-08 宁国市华成金研科技有限公司 一种镍基高温合金及其制造方法
CN106636848B (zh) * 2017-01-18 2018-06-15 东南大学 一种耐磨抗蚀镍基合金丝材的制备方法
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CN107619957B (zh) * 2017-08-31 2018-12-21 江西理工大学 一种稳定镍基单晶合金中稀土元素成分的方法
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CN108467972B (zh) * 2018-04-16 2020-06-09 中国航发北京航空材料研究院 一种高承温能力的镍基变形高温合金及其制备方法
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CN112575228B (zh) * 2020-11-12 2021-09-03 中国联合重型燃气轮机技术有限公司 抗蠕变、长寿命镍基变形高温合金及其制备方法和应用
CN112853154B (zh) * 2021-01-04 2022-02-22 广东省科学院中乌焊接研究所 镍基中间层合金材料及其制备方法、焊件及焊接方法以及应用
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CN113265563B (zh) * 2021-05-06 2022-04-29 中国联合重型燃气轮机技术有限公司 一种抗热腐蚀性好的Ni高温合金及其制备方法
CN113930642B (zh) * 2021-09-30 2022-04-22 中南大学 一种高强韧多组分精密高电阻合金及其制备方法
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Also Published As

Publication number Publication date
US20100296962A1 (en) 2010-11-25
CN101528959B (zh) 2012-10-10
JP5124582B2 (ja) 2013-01-23
JP2010507016A (ja) 2010-03-04
CN101528959A (zh) 2009-09-09
EP2076616B1 (de) 2015-10-28
EP1914327A1 (de) 2008-04-23
WO2008046708A1 (en) 2008-04-24

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