EP3658695A1 - Alliage à base de nickel à haute température - Google Patents

Alliage à base de nickel à haute température

Info

Publication number
EP3658695A1
EP3658695A1 EP18752680.1A EP18752680A EP3658695A1 EP 3658695 A1 EP3658695 A1 EP 3658695A1 EP 18752680 A EP18752680 A EP 18752680A EP 3658695 A1 EP3658695 A1 EP 3658695A1
Authority
EP
European Patent Office
Prior art keywords
max
nickel
based alloy
alloy according
usable
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
EP18752680.1A
Other languages
German (de)
English (en)
Other versions
EP3658695B1 (fr
Inventor
Jürgen Kiese
Nicole De Boer
Heike Hattendorf
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.)
VDM Metals International GmbH
Original Assignee
VDM Metals International GmbH
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 VDM Metals International GmbH filed Critical VDM Metals International GmbH
Publication of EP3658695A1 publication Critical patent/EP3658695A1/fr
Application granted granted Critical
Publication of EP3658695B1 publication Critical patent/EP3658695B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades

Definitions

  • the invention relates to a high-temperature nickel-based alloy.
  • the material C263 (Nicrofer 5120 CoTi) is used, among other things, as a material for heat shields in turbochargers or car engines.
  • the heat shield separates the compressors from the turbine side inside the turbocharger and is directly supplied by the hot exhaust gas. Since the exhaust gas temperatures, especially in gasoline engines, are getting higher, it can lead to failure of the components, for example in the form of deformations, resulting in a considerable performance drop of the turbocharger.
  • the exhaust gas temperatures can be up to 1 .050 ° C, with the temperatures arriving at the heat shield at about 900 to 950 ° C. At these temperatures, the C263 material is no longer creep resistant.
  • the general composition of the material C263 is reproduced as follows (in% by weight): Cr 19.0 - 21, 0%, Fe max. 0.7%, C 0.04-0.08%, Mn max. 0.6%, Si max. 0.4%, Cu max. 0.2%, Mo 5.6-6.1%, Co 19.0-21, 0%, Al 0.3-0.6%, Ti 1, 9-2.4%, P max. 0.015%, S max. 0.007%, B max. 0.005%.
  • DE 100 52 023 C1 discloses an austenitic nickel-chromium-cobalt-molybdenum-tungsten alloy comprising (in mass%) C 0.05-0.10%, Cr 21-23%, Co 10 -15 %, Mo 10 - 1 1%, Al 1, 0 - 1, 5%, W 5.1 - 8.0%, Y 0.01 - 0.1%, B 0.001 - 0.01%, Ti max. 0.5%, Si max. 0.5%, Fe max. 2%, Mn max. 0.5%, Ni remainder including unavoidable melting impurities.
  • the material can be used for compressors and turbochargers of internal combustion engines, components of steam turbines, components of gas and steam turbine power plants.
  • EP 1 466 027 B1 discloses a high temperature resistant and corrosion resistant Ni-Co-Cr alloy including (in wt%): Cr 23.5-25.5%, Co 15.0-22.0%, Al 0 , 2 - 2.0%, Ti 0.5 - 2.5%, Nb 0.5 - 2.5%, up to 2.0% Mo, up to 1.0% Mn, Si 0.3 - 1 , 0%, to 3.0% Fe, up to 0.3% Ta, to 0.3% W, C 0.005-0.08%, Zr 0.01-0.3%, B 0.001-0.01%, up to 0.05% rare earths as mischmetal, Mg + Ca 0.005-0.025%, optional up to 0.05% Y, balance Ni and impurities.
  • the material can be used in the temperature range between 530 and 820 ° C as an exhaust valve for diesel engines as well as pipes for steam boilers.
  • No. 6,258,317 B1 describes an alloy which can be used for components of gas turbines for temperatures up to 750 ° C., comprising (in% by weight): Co 10-24%, Cr 23.5-30%, Mo 2.4-6 %, Fe 0 - 9%, Al 0.2 - 3.2%, Ti 0.2 - 2.8%, Nb 0.1 - 2.5%, Mn 0 - 2%, to 0.1% Si , Zr 0.01 - 0.3%, B 0.001 - 0.01%, C 0.005 - 0.3%, W 0 - 0.8%, Ta 0 - 1%, balance Ni and unavoidable impurities.
  • the invention has for its object to change a material based on C263 in terms of its composition so that the stability of the strength-increasing phase is shifted towards higher temperatures. At the same time, care must be taken that the stability limits of other phases (e.g., Eta phase) are shifted to lower temperatures. Furthermore, attempts should be made to activate additional hardening mechanisms.
  • the nickel-based alloy according to the invention should preferably be usable for components which are exposed to component temperatures above 700 ° C., preferably> 900 ° C., in particular> 950 ° C.
  • the goal of shifting the gamma prime phase to higher temperatures is achieved, while at the same time the stability of other phases, lower than gamma prime, and towards lower temperatures can also be realized.
  • the alloy of the present invention has high hot and creep rupture strength while also having high temperature corrosion resistance (e.g., exhaust gases).
  • the alloy according to the invention is fatigue-resistant at high temperatures, in particular above 900 ° C.
  • Powders for additive manufacturing e.g., 3D printing
  • classical powders e.g., sintering
  • the ratio Ti / Al should, according to another idea of the invention, max. 3.5, in particular max. 2,0, amount.
  • the high-temperature nickel-based alloy according to the invention is preferably usable for large-scale production (> 1 t).
  • the advantages of the alloy according to the invention are explained in greater detail on the basis of examples:
  • Table 1 compares the state of the art (Nicrofer 5120 CoTi - produced on a large scale) to a similar reference batch (laboratory) and to several alloy compositions according to the invention.
  • Table 2 compares the state of the art (Nicrofer 5120 CoTi - produced on an industrial scale) with several industrially produced batches.
  • Nicrofer 5120 Charge Charge Charge Charge Charge Charge CoTi 335449 334549 334547 334547
  • the solution annealing was carried out at 1 .150 ° C for 30 min. Followed by water quenching.
  • Precipitation hardening was carried out at temperatures of 800, 850, 900 or 950 ° C for 4/8/16 h with subsequent water quenching.
  • Variants 250575 to 250577 showed a very high level of hardness compared with the state of the art, respectively variants 250573 and 250574. This means that the strength-enhancing phase (here Gamma- Prime) is still stable.
  • the material is produced in a medium-frequency induction furnace, then poured as a continuous casting in slab form. Subsequently, the slabs are remelted in the electroslag remelting furnace to further slabs (respectively rods). Thereafter, the respective slab is hot rolled, for the production of strip material to thicknesses of about 6 mm. This is followed by a cold rolling process of the strip material to final thickness of about 0.4 mm.
  • thermoformed or stamped products there is now a starting material for thermoformed or stamped products. If necessary, depending on the product, a thermal process can be carried out.
  • VIM - VAR The product form after the VAR may be a slab or a rod.
  • the forming can be done by rolling or forging.
  • Figure 1 shows the creep strain of various materials as a function of time at a typical application temperature of 900 ° C and a load of 60 Mpa. Shown are the materials C-263 standard (Nicrofer 5120 CoTi), C-264 variant 76 (batch 250576) and C-264 variant 77 (batch 250577).
  • the two other variants both show service lives of approx. 400 h and approx. 550 h, respectively.
  • the variants 76 and 77 show improved service lives, which lead to a higher creep resistance in the operating state and thus to significantly lower component deformation.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Exhaust Silencers (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un alliage à base de nickel à haute température comprenant (en % en poids) : 0,04-0,1 % de C, maximum 0,01 % de S, maximum 0,05 % de N, 24-28 % de Cr, maximum 0,3 % de Mn, maximum 0,3 % de Si, 1-6 % de Mo, 0,5-3 % de Ti, 0,001-0,1 % de Nb, maximum 0,2 % de Cu, 0,1-0,7 % de Fe, maximum 0,015 % de P, 0,5-2 % d'Al, maximum 0,01 % de Mg, maximum 0,01 % de Ca, 0,01-0,5 % de V, maximum 0,1 % de Zr, 0,2-2 % de W, 17-21 % de Co, maximum 0,01 % de B, maximum 0,01 % de O, le reste étant constitué de Ni, ainsi que des impuretés issues de la fusion.
EP18752680.1A 2017-07-28 2018-07-24 Alliage a base de nickel de temperature haute Active EP3658695B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017007106.3A DE102017007106B4 (de) 2017-07-28 2017-07-28 Hochtemperatur-Nickelbasislegierung
PCT/DE2018/100663 WO2019020145A1 (fr) 2017-07-28 2018-07-24 Alliage à base de nickel à haute température

Publications (2)

Publication Number Publication Date
EP3658695A1 true EP3658695A1 (fr) 2020-06-03
EP3658695B1 EP3658695B1 (fr) 2021-09-01

Family

ID=63165131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18752680.1A Active EP3658695B1 (fr) 2017-07-28 2018-07-24 Alliage a base de nickel de temperature haute

Country Status (9)

Country Link
US (1) US11193186B2 (fr)
EP (1) EP3658695B1 (fr)
JP (1) JP6949144B2 (fr)
KR (2) KR20200019968A (fr)
CN (1) CN110914463A (fr)
BR (1) BR112019022793B1 (fr)
DE (1) DE102017007106B4 (fr)
ES (1) ES2897323T3 (fr)
WO (1) WO2019020145A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020116868A1 (de) * 2019-07-05 2021-01-07 Vdm Metals International Gmbh Pulver aus einer Nickel-Kobaltlegierung, sowie Verfahren zur Herstellung des Pulvers
DE102020207910A1 (de) 2020-06-25 2021-12-30 Siemens Aktiengesellschaft Nickelbasislegierung, Pulver, Verfahren und Bauteil
CN113234964B (zh) * 2021-05-19 2021-12-03 山西太钢不锈钢股份有限公司 一种镍基耐蚀合金及其加工方法
EP4241906A1 (fr) 2022-03-11 2023-09-13 Siemens Aktiengesellschaft Alliage à base de nickel, composant, poudre et procédé

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA921733A (en) 1967-10-16 1973-02-27 Special Metals Corporation Nickel base alloy
US3785876A (en) 1972-09-25 1974-01-15 Special Metals Corp Treating nickel base alloys
US5693159A (en) * 1991-04-15 1997-12-02 United Technologies Corporation Superalloy forging process
US5964091A (en) * 1995-07-11 1999-10-12 Hitachi, Ltd. Gas turbine combustor and gas turbine
US6258317B1 (en) 1998-06-19 2001-07-10 Inco Alloys International, Inc. Advanced ultra-supercritical boiler tubing alloy
JP5052724B2 (ja) 2000-01-24 2012-10-17 ハンチントン、アロイス、コーポレーション Ｎｉ‐Ｃｏ‐Ｃｒ高温強度および耐蝕性合金
AT408665B (de) 2000-09-14 2002-02-25 Boehler Edelstahl Gmbh & Co Kg Nickelbasislegierung für die hochtemperaturtechnik
DE10052023C1 (de) 2000-10-20 2002-05-16 Krupp Vdm Gmbh Austenitische Nickel-Chrom-Cobalt-Molybdän-Wolfram-Legierung und deren Verwendung
DE102011013091A1 (de) 2010-03-16 2011-12-22 Thyssenkrupp Vdm Gmbh Nickel-Chrom-Kobalt-Molybdän-Legierung
EP2698215A1 (fr) 2012-08-17 2014-02-19 Alstom Technology Ltd Procédé de fabrication de tuyaux de vapeur à haute température
DE102013002483B4 (de) * 2013-02-14 2019-02-21 Vdm Metals International Gmbh Nickel-Kobalt-Legierung
JP6201724B2 (ja) * 2013-12-19 2017-09-27 新日鐵住金株式会社 Ｎｉ基耐熱合金部材およびＮｉ基耐熱合金素材
DE102014001329B4 (de) 2014-02-04 2016-04-28 VDM Metals GmbH Verwendung einer aushärtenden Nickel-Chrom-Titan-Aluminium-Legierung mit guter Verschleißbeständigkeit, Kriechfestigkeit, Korrosionsbeständigkeit und Verarbeitbarkeit
JP6323188B2 (ja) * 2014-06-11 2018-05-16 新日鐵住金株式会社 Ｎｉ基耐熱合金溶接継手の製造方法
JP6519007B2 (ja) * 2015-04-03 2019-05-29 日本製鉄株式会社 Ｎｉ基耐熱合金溶接継手の製造方法

Also Published As

Publication number Publication date
KR20220070349A (ko) 2022-05-30
EP3658695B1 (fr) 2021-09-01
BR112019022793B1 (pt) 2022-12-20
DE102017007106A1 (de) 2019-01-31
DE102017007106B4 (de) 2020-03-26
KR102534136B1 (ko) 2023-05-18
BR112019022793A2 (pt) 2020-05-26
US11193186B2 (en) 2021-12-07
CN110914463A (zh) 2020-03-24
ES2897323T3 (es) 2022-02-28
US20200172997A1 (en) 2020-06-04
JP6949144B2 (ja) 2021-10-13
KR20200019968A (ko) 2020-02-25
JP2020521879A (ja) 2020-07-27
WO2019020145A1 (fr) 2019-01-31

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