EP1127948A3 - Hot corrosion resistant single crystal nickel-based superalloys - Google Patents

Hot corrosion resistant single crystal nickel-based superalloys Download PDF

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Publication number
EP1127948A3
EP1127948A3 EP95116194A EP95116194A EP1127948A3 EP 1127948 A3 EP1127948 A3 EP 1127948A3 EP 95116194 A EP95116194 A EP 95116194A EP 95116194 A EP95116194 A EP 95116194A EP 1127948 A3 EP1127948 A3 EP 1127948A3
Authority
EP
European Patent Office
Prior art keywords
percent
single crystal
gas turbine
corrosion resistant
superalloy
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
EP95116194A
Other languages
German (de)
French (fr)
Other versions
EP1127948B1 (en
EP1127948A2 (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 AT95116194T priority Critical patent/ATE221138T1/en
Priority to EP95116194A priority patent/EP1127948B1/en
Priority to DE69527557T priority patent/DE69527557T2/en
Priority to ES95116194T priority patent/ES2184779T3/en
Priority to DK95116194T priority patent/DK1127948T3/en
Publication of EP1127948A2 publication Critical patent/EP1127948A2/en
Publication of EP1127948A3 publication Critical patent/EP1127948A3/en
Application granted granted Critical
Publication of EP1127948B1 publication Critical patent/EP1127948B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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%

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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Powder Metallurgy (AREA)
  • Laminated Bodies (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (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, ard the balance nickel plus incidental impurities, the superalloy having a phasial stability number NV3B 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. <IMAGE>
EP95116194A 1995-10-13 1995-10-13 Hot corrosion resistant single crystal nickel-based superalloys Expired - Lifetime EP1127948B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT95116194T ATE221138T1 (en) 1995-10-13 1995-10-13 SINGLE CRYSTALLINE SUPER ALLOYS WITH GOOD CORROSION RESISTANCE AT HIGH TEMPERATURES
EP95116194A EP1127948B1 (en) 1995-10-13 1995-10-13 Hot corrosion resistant single crystal nickel-based superalloys
DE69527557T DE69527557T2 (en) 1995-10-13 1995-10-13 Single-crystalline superalloys with good corrosion resistance at high temperatures
ES95116194T ES2184779T3 (en) 1995-10-13 1995-10-13 NICKEL-BASED MONOCRISTALINE SUPERALEATIONS RESISTANT TO ELEVATED TEMPERATURE CORROOSION.
DK95116194T DK1127948T3 (en) 1995-10-13 1995-10-13 High-temperature corrosion-resistant monocrystalline nickel-based superalloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95116194A EP1127948B1 (en) 1995-10-13 1995-10-13 Hot corrosion resistant single crystal nickel-based superalloys

Publications (3)

Publication Number Publication Date
EP1127948A2 EP1127948A2 (en) 2001-08-29
EP1127948A3 true EP1127948A3 (en) 2001-09-05
EP1127948B1 EP1127948B1 (en) 2002-07-24

Family

ID=8219715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116194A Expired - Lifetime EP1127948B1 (en) 1995-10-13 1995-10-13 Hot corrosion resistant single crystal nickel-based superalloys

Country Status (5)

Country Link
EP (1) EP1127948B1 (en)
AT (1) ATE221138T1 (en)
DE (1) DE69527557T2 (en)
DK (1) DK1127948T3 (en)
ES (1) ES2184779T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115044805B (en) * 2022-05-30 2023-04-11 北京科技大学 Nickel-based single crystal superalloy with balanced multiple properties and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153848A (en) * 1984-02-10 1985-08-29 United Technologies Corp High strength hot corrosion resistant single crystals
EP0207874A2 (en) * 1985-05-09 1987-01-07 United Technologies Corporation Substrate tailored coatings for superalloys
US4677035A (en) * 1984-12-06 1987-06-30 Avco Corp. High strength nickel base single crystal alloys
EP0240451A2 (en) * 1986-04-03 1987-10-07 United Technologies Corporation Single crystal articles having reduced anisotropy
EP0577316A2 (en) * 1992-06-29 1994-01-05 Cannon-Muskegon Corporation Single crystal nickel-based superalloy

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153848A (en) * 1984-02-10 1985-08-29 United Technologies Corp High strength hot corrosion resistant single crystals
US4677035A (en) * 1984-12-06 1987-06-30 Avco Corp. High strength nickel base single crystal alloys
EP0207874A2 (en) * 1985-05-09 1987-01-07 United Technologies Corporation Substrate tailored coatings for superalloys
EP0240451A2 (en) * 1986-04-03 1987-10-07 United Technologies Corporation Single crystal articles having reduced anisotropy
EP0577316A2 (en) * 1992-06-29 1994-01-05 Cannon-Muskegon Corporation Single crystal nickel-based superalloy

Also Published As

Publication number Publication date
EP1127948B1 (en) 2002-07-24
DE69527557T2 (en) 2002-11-07
EP1127948A2 (en) 2001-08-29
DK1127948T3 (en) 2002-11-11
DE69527557D1 (en) 2002-08-29
ES2184779T3 (en) 2003-04-16
ATE221138T1 (en) 2002-08-15

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