• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to special nickel-based alloys that can be used as coatings for parts exposed to high temperatures, such as gas turbine engines. The purpose of the invention is to provide resistance to oxidation while reducing the interaction zone between the coating and the substrate. Alloy contains, wt%: cobalt 4; chromium 8.5, aluminum, 6, tantalum 5, tungsten 4.5, rhenium 1.5; molybdenum 1.5. hafnium 0.9, boron 0.01, carbon 0.05, yttrium 0.3; nickel else. The alloy provides reliable protection of the substrate against oxidation, there is virtually no interaction zone between the coating and the substrate, the alloy has high strength at elevated temperatures (at 982, the tensile strength is 12 kg / sq. Inch), Table 2.
    公开号:SU1450752A3
    申请号:SU843783745
    申请日:1984-08-27
    公开日:1989-01-07
    发明作者:Даролия Рамгопал；Харвей Голдмэн Эдвард
    申请人:Дженерал Электрик Компани (Фирма)；
    IPC主号:
    专利说明:


    s
    The invention relates to special alloys based on nickel, which can be used as a coating for parts subjected to high temperatures, for example gas turbine engines.
    The purpose of the invention is to provide oxidation resistance while reducing the interaction zone between the coating and the substrate.
    The goal is achieved by those that the alloy for coating has the following composition, wt.%:
    Cobalt
    Chromium
    Aluminum
    Tantalum
    Tungsten
    Rhenium
    Molybdenum
    Hafnium
    Boron
    Carbon
    Yttrium
    Nickel
    four
    8.5
    6
    five
    4.5
    1.5. 1.5
    0.9
    0.01
    0.05
    0.3
    The rest of the alloy of the specified composition of nansena coating (BMU), which is obtained by plasma spraying. The alloy deposition is carried out on plate-like and hairpin-like substrates for environmental testing.
    As an N-type substrate, an alloy containing, in wt%, is used: chromium 7-12, molybdenum 3-5.1 titanium 3-5) aluminum 3-5i cobalt 5-15, tungsten 3-12; tantalum 2-6J rhenium to 10, Colombia to 2; vanadium to 3J hafnium up to 2; nickel - the rest. Rafting
    lzd1en directional crystallization in the form of a single crystal.
    For comparison, NiCoCrA1Y alloy coatings are applied. All substrates with coatings are heat treated by double aging first at 4 hours, then at 900 ° C 16 hours.
    In tab. Figure 1 shows the results of cyclic oxidation tests carried out on stud-shaped samples with cycling 1 time per day at a certain temperature.
    IT a b l and c a 1

    NiCoCeAlY 6MU
    195
    From tab. 1 follows, | that the proposed alloy provides reliable protection against oxidation.
    Evaluation of the properties of samples with coatings on. the interaction of the coating with the substrate is carried out metallographically.
    Indicators of the average depth of the zone of interaction arising after oxidation tests are given in table. 2
    Table 2
    In addition to the unique combination of NiCoCeAlY alloy.
    The nation properties of the proposed alloy at 1800 ° F (982.2 C) is limiting
    resistant to high temper at razrish
    peraturah. exceeding similar 12 kg / sq. inch.

    Thus, the lesser tendency to form interaction zones in addition to high strength and compatibility with respect to thermal expansion with special alloy substrates ensures that, on the basis of the proposed alloy, the coating is resistant to environmental effects under tense working conditions, for example, under conditions of x turbine engine work.
    Formula
    of
    rete n i
    Nickel-based alloys, mainly for coating, containing cobalt, chromium, aluminum, tantalum, tungsten, rhenium, boron, ug50752 .4
    Lerod, characterized in that, in order to provide resistance to oxidation with a decrease in the zone of interaction between the coating and the substrate, it additionally contains molybdenum, hafnium and yttrium in the following ratio of components, May;%:
    ten
    15
    20
    Cobalt
    Chromium
    Aluminum
    Tantalum
    Tungsten
    Rhenium
    Molybdenum
    Hafnium
    Boron
    Carbon
    Yttrium
    Nickel
    four
    8.5
    6
    five
    4.5
    ,five
    1.5
    0.9
    0.01
    0.05
    0.3
    Rest
    权利要求:
    Claims (1)
    [1]
    Claim
    Z ·
    Nickel-based alloy, mainly for coating, containing cobalt, chromium, aluminum, tantalum, tungsten, rhenium, boron, carbon, characterized in that "in order to provide oxidation resistance while reducing the interaction zone between the coating and the base, it is additionally contains molybdenum, hafnium and yttrium in the following ratio of components, May;%
    Cobalt 4 10 Chromium 8.5 Aluminum 6 Tantalum 5 Tungsten 4,5 Rhenium 1,5 fifteen Molybdenum 1,5 Hafnium 0.9 Boron 0.01 Carbon 0.05 Yttrium 0.3 20 Nickel Rest
    类似技术:
    公开号 | 公开日 | 专利标题
    US5582635A|1996-12-10|High temperature-resistant corrosion protection coating for a component in particular a gas turbine component
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    EP0207874B1|1991-12-27|Substrate tailored coatings for superalloys
    CA1212020A|1986-09-30|Minor element additions to single crystals forimproved oxidation resistance
    US4152488A|1979-05-01|Gas turbine blade tip alloy and composite
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    US6475642B1|2002-11-05|Oxidation-resistant coatings, and related articles and processes
    EP0386386A1|1990-09-12|Process for producing Yttrium enriched aluminide coated superalloys
    JP3066996B2|2000-07-17|Austenitic nickel-chromium-iron alloy
    US20020098294A1|2002-07-25|Method of providing a protective coating on a metal substrate, and related articles
    US4054723A|1977-10-18|Composite articles
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    US5032357A|1991-07-16|Tri-titanium aluminide alloys containing at least eighteen atom percent niobium
    KR20040011383A|2004-02-05|Nickel-base alloy
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    US4512817A|1985-04-23|Method for producing corrosion resistant high strength superalloy articles
    SE453306B|1988-01-25|FORM OF HEATHALL RESISTANT ALLOY PROVIDED WITH A SILICON-ENRICHED HEAT CORROSION RESISTANT COATING AND WAY TO MANUFACTURE THE FORMAL
    CN101061244B|2012-05-30|Nickel-base superalloy
    US4910092A|1990-03-20|Yttrium enriched aluminide coating for superalloys
    US3996021A|1976-12-07|Metallic coated article with improved resistance to high temperature environmental conditions
    US4148936A|1979-04-10|Method for diffusion coating an Fe-Ni base alloy with chromium
    US4485148A|1984-11-27|Chromium boron surfaced nickel-iron base alloys
    EP0260510B1|1993-02-17|Thermomechanical method of forming fatigue crack resistant nickel base superalloys and product formed
    CA2179214C|2000-08-01|Forgeable nickel alloy
    同族专利:
    公开号 | 公开日
    IL72849D0|1984-12-31|
    JPH0569890B2|1993-10-04|
    IL72849A|1988-07-31|
    AU571889B2|1988-04-28|
    GR80048B|1984-11-30|
    JPS60141842A|1985-07-26|
    AU3240284A|1986-09-11|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    RU2452793C1|2011-06-22|2012-06-10|Российская Федерация в лице Министерства промышленности и торговли Российской Федерации |Method of protecting gas turbine parts from nickel alloys|CA1136905A|1978-06-06|1982-12-07|Romeo G. Bourdeau|Superalloy composition and process|
    CA1212020A|1981-09-14|1986-09-30|David N. Duhl|Minor element additions to single crystals forimproved oxidation resistance|
    US4451431A|1982-10-25|1984-05-29|Avco Corporation|Molybdenum-containing high temperature coatings for nickel- and cobalt-based superalloys|
    GR80049B|1983-12-27|1984-12-30|Gen Electric|Nickel-based superalloys especially useful as compatible protective environmental coatings for advanced superalloys|GR80049B|1983-12-27|1984-12-30|Gen Electric|Nickel-based superalloys especially useful as compatible protective environmental coatings for advanced superalloys|
    JP3874406B2|2001-11-02|2007-01-31|トーカロ株式会社|Method for forming protective film on high-temperature strength member|
    JP2003147464A|2001-11-02|2003-05-21|Tocalo Co Ltd|Member with high-temperature strength|
    JP3865705B2|2003-03-24|2007-01-10|トーカロ株式会社|Heat shielding coating material excellent in corrosion resistance and heat resistance, and method for producing the same|
    US7846243B2|2007-01-09|2010-12-07|General Electric Company|Metal alloy compositions and articles comprising the same|
    US20130230405A1|2007-08-31|2013-09-05|Kevin Swayne O'Hara|Nickel base superalloy compositions being substantially free of rhenium and superalloy articles|
    US8876989B2|2007-08-31|2014-11-04|General Electric Company|Low rhenium nickel base superalloy compositions and superalloy articles|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US56580383A| true| 1983-12-27|1983-12-27|
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