CH326634A - Alloy based on nickel, chromium and cobalt and use of said alloy - Google Patents

Alloy based on nickel, chromium and cobalt and use of said alloy

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Publication number
CH326634A
CH326634A CH326634DA CH326634A CH 326634 A CH326634 A CH 326634A CH 326634D A CH326634D A CH 326634DA CH 326634 A CH326634 A CH 326634A
Authority
CH
Switzerland
Prior art keywords
alloy
alloy according
cobalt
nickel
chromium
Prior art date
Application number
Other languages
French (fr)
Inventor
Thomas Harris Geoffrey
Cave Child Henry
Original Assignee
William Jessop & Sons Limited
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 William Jessop & Sons Limited filed Critical William Jessop & Sons Limited
Publication of CH326634A publication Critical patent/CH326634A/en

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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%

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Description

Alliage ä Base de nickel, de chrome et de cobalt et utilisation dudit alliage 0n sait que Fon peut utiliser des alliages nickel-chrome-cobalt, avec ou sans fer, pour fabriquer des pieces appeMes ä subir des fa- tigues, des tensions ou des contraintes ä des tempdratures de Fordre de 600o - 1000o C. Ces alliages contiennent normalement du ti- tane et de 1'aluminium pour former des phases de pr6cipitation et de durcissement. 0n a 6ga- lement propos6 dans cette technique d'ajouter des 616ments tels que 1e molybdene, 1e vana- dium, 1e tungstene, 1e niobium, etc., comme agents de durcissement supp16mentaires. Parmi ceux-ci, an mentionne en particulier 1e molyb- dene. L'invention est fondde sur la ddcouverte g6ndrale que les alliages du genre que Fon a mentionnd ci-dessus possMent une solidit6 et une r6sistance satisfaisantes ä 1'alteration super- ficielle ou ä 1'6caillement ä des tempdratures 61ev6es lorsqu'ils contiennent de 0,001% ä 0,05 % de bore, avec ou sans molybdene ou tungstene, ce dernier, s'il est pr6sent, dtant en proportion comprise entre 8 et 15'%, avec de 1,6 ä 2,75 % de titane et de 0,2 ä 2 % d'alu- minium, ces deux derniers m6taux 6tant prd- sents en taut qu'agents de durcissement. L'invention concerne un alliage ä bäse de nickel, de chrome et de cobalt, caractdris6 en ce qu'il contient Alloy based on nickel, chromium and cobalt and use of said alloy It is known that it is possible to use nickel-chromium-cobalt alloys, with or without iron, to manufacture parts called upon to undergo fatigue, tension or stressed at temperatures in the range of 600o - 1000o C. These alloys normally contain titanium and aluminum to form precipitation and hardening phases. It has also been proposed in this technique to add elements such as molybdenum, vanadium, tungsten, niobium, etc., as additional hardening agents. Among these, particular mention is made of molybdenum. The invention is based on the general discovery that alloys of the kind mentioned above possess satisfactory strength and resistance to surface weathering or spalling at elevated temperatures when they contain 0.001 % to 0.05% boron, with or without molybdenum or tungsten, the latter, if present, being in a proportion of between 8 and 15%, with 1.6 to 2.75% titanium and 0.2 to 2% aluminum, the latter two metals being present as hardening agents. The invention relates to an alloy based on nickel, chromium and cobalt, characterized in that it contains

Carbone . . . . . 0,001 - 0,15 % Manganese . . . . 0,1 - 1,0 0/0 Silicium . . . . . 0,1 - 1,0 0/0 Cobalt . . . . . . 10 - 25 % Chrome . . . . . -15 - 25 0/0 4 Bore . . . . . . 0;001 - 0,05% Titane . : . . . 1,6 - 2,75% Aluminium . . . . 0,2 - 2 0% 1e compldment 6tant constitud par au moins du nickel, ce dernier prAent ä raison d'au moins 40 0/0. Carbon. . . . . 0.001 - 0.15% Manganese. . . . 0.1 - 1.0 0/0 Silicon . . . . . 0.1 - 1.0 0/0 Cobalt. . . . . . 10 - 25% Chromium. . . . . -15 - 25 0/0 4 Boron . . . . . . 0.001 - 0.05% Titanium . : . . . 1.6 - 2.75% Aluminum . . . . 0.2 - 20% the complement being constituted by at least nickel, the latter presenting at a rate of at least 40%.

Il peut dgalement contenir jusqu'ä 10 % de molybdene et/ou de 8 ä 15'% de tungstene. Il peut en outre contenir jusqu'ä 5 % de fer et jusqu'ä 3 % d'un agent de durcissement constitu6 par au moins un m6tal pris dans 1e groupe form6 par 1e vanadium, 1e niobium et 1e tantale, et, 6ventuellement, un ou plusieurs mdtanx desoxydants tels que 1e silicium, 1e magn6sium, 1e caleium, 1e cdrium, 1e zirco- nium, etc. . It may also contain up to 10% molybdenum and/or 8 to 15% tungsten. It may also contain up to 5% iron and up to 3% of a hardening agent consisting of at least one metal taken from the group formed by vanadium, niobium and tantalum, and, optionally, a or more deoxidizing metals such as silicon, magnesium, calcium, cdrium, zirconium, etc.; .

Les alliages conformes ä Finvention se pretent gdn6ralement au forgeage et possedent une soliditd et une r6sistance satisfaisantes ä 1'alteration superficielle ä des temperatures comprises entre 6000 et 10000 C. Cependant, an peut egalement utiliser ces alliages pour faire des pieces de fonderie avec des resultats egalement satisfaisants. Comme exemples d'alliages conformes ä 1'invention, an peut citer The alloys in accordance with the invention generally lend themselves to forging and have satisfactory strength and resistance to surface weathering at temperatures between 6000 and 10000 C. also satisfactory. As examples of alloys in accordance with the invention, one can cite

<B>1</B>/n L.1335- L.1330 Carbone . . . . 0,04 0,05 Manganese . . . 0,4 0,5 Silicium . . . . 0;3 0,7 Nickel . ... . 48,4 51,2 Cobalt . . . . 15,1 14,7 Chrome . . . . 20,7 20,7 Tungstene . . . 8,56 Molybdene . .' . - 5,7 Bore . . . . . 0,01 0,01 Titane . . . . 2,1 2,4 Aluminium . . . <B>1,3 0,8</B> Temps de rupture sous une traction de (143) 225 1417 <B>kg/</B> cm2, ä pas de 8700 C, en heures ruhture En rapport avec les -temps de rupture de ces alliages, il convient de relever que les alliages ayant un temps de rupture superieur ä 50 heures dans ces conditions de traction et de temperature peuvent etre consideres comme ayant ä temperature elevee des propridtds comparables ä celles des meilleurs alliages connus actuellement sur 1e marchd. <B>1</B>/n L.1335- L.1330 Carbon . . . . 0.04 0.05 Manganese . . . 0.4 0.5 Silicon . . . . 0.3 0.7 Nickel. ... . 48.4 51.2 Cobalt. . . . 15.1 14.7 Chrome . . . . 20.7 20.7 Tungsten . . . 8.56 Molybdenum. .' . - 5.7 Boron. . . . . 0.01 0.01 Titanium . . . . 2.1 2.4 Aluminum . . . <B>1.3 0.8</B> Breaking time under tension of (143) 225 1417 <B>kg/</B> cm2, at 8700 C steps, in breaking hours In relation to - breaking time of these alloys, it should be noted that alloys having a breaking time greater than 50 hours under these tensile and temperature conditions can be considered as having, at high temperature, properties comparable to those of the best alloys currently known on the market. 1st market

Claims (6)

REVENDICATION I CLAIM I Alllage ä Base de nicket, de chrome et de cobalt, caracterisd en ce qu'il contient Carbone . . . . . 0,001 - 0,1519/o Manganese . . . . 0,1 = 1,0 0/0 Silicium . . . . . 0,1 - 1,0 '0/0 Cobalt . . . . . . 10 - <B>25"</B> 0/0 Chrome . . . . . 15 - 25 0/0 Bore . . . . . . 0,001 - 0,05% Titane . . . . . . 1,6 - 2,75% Aluminium . . . . 0,2 - 2 0/0 1e complement etant constitud par au moins du nicket, ce dernier present ä raison d'au moins 40 0/0. SOUS-REVENDICATIONS 1. Alliage selon la revendication I, carac- t6ris6 en ce qu'il contient en outre au moins un metal pris dans 1e groupe forme par 1e molybdene et 1e tungstene. Alloy based on nickel, chromium and cobalt, characterized in that it contains carbon. . . . . 0.001 - 0.1519/o Manganese. . . . 0.1 = 1.0 0/0 Silicon . . . . . 0.1 - 1.0'0/0 Cobalt. . . . . . 10 - <B>25"</B> 0/0 Chromium . . . . . 15 - 25 0/0 Boron . . . . . . 0.001 - 0.05% Titanium . . . . . . 1.6 - 2.75% Aluminum . . . . 0.2 - 2 0/0 the complement being constituted by at least nickel, the latter present in a proportion of at least 40 0/0. SUB-CLAIMS 1. Alloy according to claim I, characterized in that it also contains at least one metal taken from the group formed by molybdenum and tungsten. 2. Alllage selon la sous-revendication 1, caracterise en ce qu'il contient jusqu'ä 10'% de molybdene. 2. Alloy according to sub-claim 1, characterized in that it contains up to 10% molybdenum. 3. Alliäge selon la sous-revendication 1, caractdrise en ce qu'il contient de 8 ä 15 0/0 de tungstene. 3. Alloy according to sub-claim 1, characterized in that it contains 8 to 15% tungsten. 4. Alliage selon la revendication I, carac- t6ris6 en ce qu'il contient en outre au plus 5 % de fer. 4. Alloy according to claim 1, characterized in that it also contains at most 5% iron. 5. Alllage selon la revendication I, carac- t6ris6 en ce qu'il contient en outre, comme agent de durcissement, au moins un metal pris dans 1e groupe forme par 1e vanadium, 1e niobium et 1e tantale, en proportion d'au plus 3 0/0. 5. Alloy according to claim 1, characterized in that it additionally contains, as hardening agent, at least one metal taken from the group formed by vanadium, niobium and tantalum, in a proportion of at most 3 0/0. 6. Alliage selon la revendication I, carac- t6ris6 en ce qu'il cöntient en outre au moins un metal desoxydant, en proportion d'au plus 3 0/0. REVENDICATION II: Utilisation de 1'alliage selon 1ä revendica- @- tion I pour constituer des pieces destindes ä subir des contraintes aux temperatures elevees. 6. Alloy according to claim 1, characterized in that it additionally contains at least one deoxidizing metal, in a proportion of at most 3 0/0. CLAIM II: Use of the alloy according to claim I to form parts intended to undergo stresses at high temperatures.
CH326634D 1954-10-07 1954-10-07 Alloy based on nickel, chromium and cobalt and use of said alloy CH326634A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH326634T 1954-10-07

Publications (1)

Publication Number Publication Date
CH326634A true CH326634A (en) 1957-12-31

Family

ID=4500304

Family Applications (1)

Application Number Title Priority Date Filing Date
CH326634D CH326634A (en) 1954-10-07 1954-10-07 Alloy based on nickel, chromium and cobalt and use of said alloy

Country Status (1)

Country Link
CH (1) CH326634A (en)

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