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GB1309308A - High temperature oxidation and corrosion resistant cobalt base alloys - Google Patents

High temperature oxidation and corrosion resistant cobalt base alloys

Info

Publication number
GB1309308A
GB1309308A GB6013570A GB6013570A GB1309308A GB 1309308 A GB1309308 A GB 1309308A GB 6013570 A GB6013570 A GB 6013570A GB 6013570 A GB6013570 A GB 6013570A GB 1309308 A GB1309308 A GB 1309308A
Authority
GB
United Kingdom
Prior art keywords
hours
cobalt base
air cooled
high temperature
corrosion resistant
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.)
Expired
Application number
GB6013570A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1309308A publication Critical patent/GB1309308A/en
Expired 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
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt

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)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Powder Metallurgy (AREA)

Abstract

1309308 Alloys GENERAL ELECTRIC CO 18 Dec 1970 [9 Jan 1970] 60135/70 Heading C7A A cobalt base alloy for use in gas turbines comprises: with the balance Co and incidental impurities. The cast alloy may be heat treated at 2150‹ F for 4 hours, air cooled, and then treated at about 1700‹F for 10 hours, furnace cooled to 1000‹F and air cooled, or it may be heated at 2275‹F for 4 hours and air cooled, heated at 2100‹ F for 12 hours and air cooled and then heated at 1700‹ F for 24 hours and air cooled. A third heat treatment comprises heating at 1800‹ F for 24 hours and air cooling.
GB6013570A 1970-01-09 1970-12-18 High temperature oxidation and corrosion resistant cobalt base alloys Expired GB1309308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US188470A 1970-01-09 1970-01-09

Publications (1)

Publication Number Publication Date
GB1309308A true GB1309308A (en) 1973-03-07

Family

ID=21698271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6013570A Expired GB1309308A (en) 1970-01-09 1970-12-18 High temperature oxidation and corrosion resistant cobalt base alloys

Country Status (5)

Country Link
US (1) US3615375A (en)
CH (1) CH551490A (en)
DE (1) DE2100477C3 (en)
FR (1) FR2075359A5 (en)
GB (1) GB1309308A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437027A (en) * 1977-08-27 1979-03-19 Ngk Spark Plug Co Nickel alloy for heat builddup body of preheating gasket
US4152181A (en) * 1977-12-27 1979-05-01 United Technologies Corporation Cobalt alloy heat treatment
US4247254A (en) * 1978-12-22 1981-01-27 General Electric Company Turbomachinery blade with improved tip cap
US7001151B2 (en) * 2004-03-02 2006-02-21 General Electric Company Gas turbine bucket tip cap

Also Published As

Publication number Publication date
DE2100477A1 (en) 1971-07-15
FR2075359A5 (en) 1971-10-08
DE2100477B2 (en) 1980-01-31
CH551490A (en) 1974-07-15
DE2100477C3 (en) 1980-09-25
US3615375A (en) 1971-10-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee