US3122433A - Nickel alloy composition - Google Patents

Nickel alloy composition Download PDF

Info

Publication number
US3122433A
US3122433A US267063A US26706363A US3122433A US 3122433 A US3122433 A US 3122433A US 267063 A US267063 A US 267063A US 26706363 A US26706363 A US 26706363A US 3122433 A US3122433 A US 3122433A
Authority
US
United States
Prior art keywords
nickel alloy
alloy composition
base alloy
nickel
alloys
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 - Lifetime
Application number
US267063A
Inventor
Jr Herbert Greenewald
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US267063A priority Critical patent/US3122433A/en
Application granted granted Critical
Publication of US3122433A publication Critical patent/US3122433A/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
    • C22C19/055—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%

Definitions

  • This invention relates to a novel alloy of nickel having unexpected and superior strength characteristics at elevat ed temperatures in the range of 2000" F.
  • this invention concerns itself with a nickel base alloy containing precipitated complex carhides.
  • Another object of this invention is to provide a novel nickel base alloy that exhibits high strength and resistance to oxidative degradation at elevated temperatures in excess of 2000* F.
  • An alloy, in accordance with this invention, may con tain the following elements within the percentage ranges set forth in Table I.
  • the present invention is based on the discovery that an unexpected improvement in elevated temperature strength and oxidative resistance results from the addition of significant amounts of carbon. Hence, the formation of complex carbides enhances the strength characteristics of the base alloy to a significant degree.
  • Example I discloses a preferred alloy within the range stated in Table I and having the following approximate analysis:
  • Example 1 Percent Tungsten 17.75 Chromium 17.17 Tantalum 7.5 8
  • the alloys of this invention are particularly resistant to oxidation at temperatures of about 2000 F. in addition to their unex ected hot strength. Also, although the utility of these alloys has been emphasized with respect to their use as liner and back up material for skin structures of re-entry space vehicles, it is to be understood that the alloys may also be utilized for making valves, valve seats, castings and other structural elements. The alloys of this invention may be compounded or made up in any desired manner employing conventional alloying technrques.
  • percent refers to ercent by weight based on the total alloy weight.
  • a nickel base alloy consisting essentially or the following composition:
  • a nickel base alloy consisting essentially of the following composition:

Description

United States This invention relates to a novel alloy of nickel having unexpected and superior strength characteristics at elevat ed temperatures in the range of 2000" F. In a more particular aspect, this invention concerns itself with a nickel base alloy containing precipitated complex carhides.
The recent advent of high speed aircraft and missiles has created a need for materials which exhibit high strength and resistance to oxidative degradation at temperatures in the range of 2030" F. and above. Presently known alloys, often referred to as superalloys do not possess the necessary high temperature tensile strength required by engine liner material and back up material for the skin structure of re-entry and space vehicles.
Accordingly, it is the primary object of this invention to provide an improved nickel base alloy.
Another object of this invention is to provide a novel nickel base alloy that exhibits high strength and resistance to oxidative degradation at elevated temperatures in excess of 2000* F.
The novel features which are believed to be characteristic of the invention are set forth in the appended claims. However, the invention, both as to its organization and method of operation, together with further objects, advantages and features thereof, may be best understood by considering the following detailed explanation of a specific embodiment of the invention.
An alloy, in accordance with this invention, may con tain the following elements within the percentage ranges set forth in Table I.
The present invention is based on the discovery that an unexpected improvement in elevated temperature strength and oxidative resistance results from the addition of significant amounts of carbon. Apparently, the formation of complex carbides enhances the strength characteristics of the base alloy to a significant degree.
Example I discloses a preferred alloy within the range stated in Table I and having the following approximate analysis:
Example 1 Element: Percent Tungsten 17.75 Chromium 17.17 Tantalum 7.5 8
atent ice Percent Aluminum 4.16 Molybdenum 3 .50 Carbon 2.46 Columhium 1.07 Iron 0.93 Titanium 0.5 2 Silicon 0.16 Zirconium 0.09 Nickel Balance The alloys of this invention are particularly resistant to oxidation at temperatures of about 2000 F. in addition to their unex ected hot strength. Also, although the utility of these alloys has been emphasized with respect to their use as liner and back up material for skin structures of re-entry space vehicles, it is to be understood that the alloys may also be utilized for making valves, valve seats, castings and other structural elements. The alloys of this invention may be compounded or made up in any desired manner employing conventional alloying technrques.
Unless otherwise indicated, the term percent, as used in the instant specification and appended claims, refers to ercent by weight based on the total alloy weight.
Although the present invention has been described with reference to preferred embodiments, those skilled in the art will readily understand that various modifications and alterations thereof may be resorted to without departing from the spirit of the invention, and that all such modifications as fall Within the scope of the appended claims are intended to be included herein.
What is claimed is:
1. A nickel base alloy consisting essentially or the following composition:
2 A nickel base alloy consisting essentially of the following composition:
Percent Tungsten 17.75 Chromium 17.17 Tantalum 7.58 Aluminum 4.16 Molybdenum 350 Carbon 2.46 Columbium 1.07 Iron 0.93 Titanium 0.52 Silicon 0.16 Zirconium 0.09 Nickel Balance References Cited in the file of this patent UNITED STATES PATENTS Thielemann Aug. 9, 1960 Michael et a1 Apr. 9, 1963

Claims (1)

1. A NICKEL BASE ALLOY CONSISTING ESSENTIALLY OF THE FOLLOWING COMPOSITION:
US267063A 1963-03-21 1963-03-21 Nickel alloy composition Expired - Lifetime US3122433A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US267063A US3122433A (en) 1963-03-21 1963-03-21 Nickel alloy composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US267063A US3122433A (en) 1963-03-21 1963-03-21 Nickel alloy composition

Publications (1)

Publication Number Publication Date
US3122433A true US3122433A (en) 1964-02-25

Family

ID=23017165

Family Applications (1)

Application Number Title Priority Date Filing Date
US267063A Expired - Lifetime US3122433A (en) 1963-03-21 1963-03-21 Nickel alloy composition

Country Status (1)

Country Link
US (1) US3122433A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276866A (en) * 1964-04-14 1966-10-04 John C Freche Nickel-base alloy containing mo-w-al-cr-ta-zr-c-nb-b
US4331741A (en) * 1979-05-21 1982-05-25 The International Nickel Co., Inc. Nickel-base hard facing alloy
US5456156A (en) * 1965-09-14 1995-10-10 The United States Of America As Represented By The Secretary Of The Army Ceramic armor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948606A (en) * 1957-05-31 1960-08-09 Sierra Metals Corp High temperature nickel base alloy
US3085005A (en) * 1958-01-16 1963-04-09 Fansteel Metallurgical Corp Alloys

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948606A (en) * 1957-05-31 1960-08-09 Sierra Metals Corp High temperature nickel base alloy
US3085005A (en) * 1958-01-16 1963-04-09 Fansteel Metallurgical Corp Alloys

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276866A (en) * 1964-04-14 1966-10-04 John C Freche Nickel-base alloy containing mo-w-al-cr-ta-zr-c-nb-b
US5456156A (en) * 1965-09-14 1995-10-10 The United States Of America As Represented By The Secretary Of The Army Ceramic armor
US4331741A (en) * 1979-05-21 1982-05-25 The International Nickel Co., Inc. Nickel-base hard facing alloy

Similar Documents

Publication Publication Date Title
US3164465A (en) Nickel-base alloys
US5154884A (en) Single crystal nickel-base superalloy article and method for making
US6054096A (en) Stable heat treatable nickel superalloy single crystal articles and compositions
US3015558A (en) Nickel-chromium-aluminum heat resisting alloy
US2892706A (en) Titanium base alloys
US5108700A (en) Castable nickel aluminide alloys for structural applications
US4012241A (en) Ductile eutectic superalloy for directional solidification
US2469718A (en) Alloys
US3122433A (en) Nickel alloy composition
US3310399A (en) Alloys for use at high temperatures
US2588007A (en) Titanium-molybdenum-chromium alloys
US3793012A (en) Nickel-base tantalum carbide eutectic alloys
US3554737A (en) Cast refractory alloy
US3243291A (en) High-temperature alloy
US2357450A (en) Aluminum alloy
US3113863A (en) Columbium base alloy
US3976480A (en) Nickel base alloy
US4111685A (en) Dispersion-strengthened cobalt-bearing metal
US2981620A (en) Cobalt-nickel base alloy
US3069258A (en) Nickel-chromium casting alloy with niobides
US3707409A (en) Nickel base alloy
US2553609A (en) Weldable and high-temperature resisting hard alloys of cobalt and iron base
US3306738A (en) Aluminium alloys
US2801165A (en) Cobalt-base alloys
US3022163A (en) Ductile niobium base alloy