CA2160965A1 - Hot corrosion resistant single crystal nickel-based superalloys - Google Patents

Hot corrosion resistant single crystal nickel-based superalloys

Info

Publication number
CA2160965A1
CA2160965A1 CA002160965A CA2160965A CA2160965A1 CA 2160965 A1 CA2160965 A1 CA 2160965A1 CA 002160965 A CA002160965 A CA 002160965A CA 2160965 A CA2160965 A CA 2160965A CA 2160965 A1 CA2160965 A1 CA 2160965A1
Authority
CA
Canada
Prior art keywords
percent
single crystal
corrosion resistant
gas turbine
hot 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.)
Granted
Application number
CA002160965A
Other languages
French (fr)
Other versions
CA2160965C (en
Inventor
Gary L. Erickson
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.)
Cannon Muskegon Corp
Original Assignee
Cannon Muskegon 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 Cannon Muskegon Corp filed Critical Cannon Muskegon Corp
Priority to CA002160965A priority Critical patent/CA2160965C/en
Publication of CA2160965A1 publication Critical patent/CA2160965A1/en
Application granted granted Critical
Publication of CA2160965C publication Critical patent/CA2160965C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/52—Alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

This invention relates to a hot corrosion resistant nickel-based superalloy comprising the following elements in percent by weight: from about 14.2 to about 15.5 percent chromium, from about 2.0 to about 4.0 percent cobalt, from about 0.30 to about 0.45 percent molybdenum, from about 4.0 to about 5.0 percent tungsten, from about 4.5 to about 5.8 percent tantalum, from about 0.05 to about 0.25 percent columbium, from about 3.2 to about 3.6 percent aluminum, from about 4.0 to about 4.4 percent titanium, from about 0.01 to about 0.06 percent hafnium, and the balance nickel plus incidental impurities, the superalloy having a phasial stability number Nv38 less than about 2.45. Single crystal articles can be suitably made from the superalloy of this invention. The article can be a component for a gas turbine engine and, more particularly, the component can be a gas turbine blade or gas turbine vane.
CA002160965A 1995-10-19 1995-10-19 Hot corrosion resistant single crystal nickel-based superalloys Expired - Fee Related CA2160965C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002160965A CA2160965C (en) 1995-10-19 1995-10-19 Hot corrosion resistant single crystal nickel-based superalloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002160965A CA2160965C (en) 1995-10-19 1995-10-19 Hot corrosion resistant single crystal nickel-based superalloys

Publications (2)

Publication Number Publication Date
CA2160965A1 true CA2160965A1 (en) 1997-04-20
CA2160965C CA2160965C (en) 2002-07-09

Family

ID=4156809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002160965A Expired - Fee Related CA2160965C (en) 1995-10-19 1995-10-19 Hot corrosion resistant single crystal nickel-based superalloys

Country Status (1)

Country Link
CA (1) CA2160965C (en)

Also Published As

Publication number Publication date
CA2160965C (en) 2002-07-09

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Legal Events

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