DE69403474D1 - Entschwefelungsverfahren zur verbesserung der oxidationsbeständigkeit von werkstücken aus superlegierung - Google Patents

Entschwefelungsverfahren zur verbesserung der oxidationsbeständigkeit von werkstücken aus superlegierung

Info

Publication number
DE69403474D1
DE69403474D1 DE69403474T DE69403474T DE69403474D1 DE 69403474 D1 DE69403474 D1 DE 69403474D1 DE 69403474 T DE69403474 T DE 69403474T DE 69403474 T DE69403474 T DE 69403474T DE 69403474 D1 DE69403474 D1 DE 69403474D1
Authority
DE
Germany
Prior art keywords
superalloy
workpieces
improving
oxidation resistance
desulfuration method
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
DE69403474T
Other languages
English (en)
Other versions
DE69403474T2 (de
Inventor
William P Allen
Donald R Parille
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of DE69403474D1 publication Critical patent/DE69403474D1/de
Publication of DE69403474T2 publication Critical patent/DE69403474T2/de
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
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/14—Refining in the solid state
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
DE69403474T 1993-04-14 1994-03-14 Entschwefelungsverfahren zur verbesserung der oxidationsbeständigkeit von werkstücken aus superlegierung Expired - Lifetime DE69403474T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/048,407 US5344510A (en) 1993-04-14 1993-04-14 Method for removing sulfur from superalloy articles to improve their oxidation resistance
PCT/US1994/002719 WO1994024319A1 (en) 1993-04-14 1994-03-14 Method for removing sulfur from superalloy articles to improve their oxidation resistance

Publications (2)

Publication Number Publication Date
DE69403474D1 true DE69403474D1 (de) 1997-07-03
DE69403474T2 DE69403474T2 (de) 1998-01-02

Family

ID=21954400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69403474T Expired - Lifetime DE69403474T2 (de) 1993-04-14 1994-03-14 Entschwefelungsverfahren zur verbesserung der oxidationsbeständigkeit von werkstücken aus superlegierung

Country Status (5)

Country Link
US (1) US5344510A (de)
EP (1) EP0694082B1 (de)
JP (1) JP3407300B2 (de)
DE (1) DE69403474T2 (de)
WO (1) WO1994024319A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6333121B1 (en) * 1992-10-13 2001-12-25 General Electric Company Low-sulfur article having a platinum-aluminide protective layer and its preparation
US5922148A (en) * 1997-02-25 1999-07-13 Howmet Research Corporation Ultra low sulfur superalloy castings and method of making
FR2768750B1 (fr) * 1997-09-25 1999-11-05 Snecma Procede pour ameliorer la resistance a l'oxydation et a la corrosion d'une piece en superalliage et piece en superalliage obtenue par ce procede
US6332937B1 (en) * 1997-09-25 2001-12-25 Societe Nationale d'Etude et de Construction de Moteurs d'Aviation “SNECMA” Method of improving oxidation and corrosion resistance of a superalloy article, and a superalloy article obtained by the method
US6805750B1 (en) * 1998-06-12 2004-10-19 United Technologies Corporation Surface preparation process for deposition of ceramic coating
US9138963B2 (en) * 2009-12-14 2015-09-22 United Technologies Corporation Low sulfur nickel base substrate alloy and overlay coating system
US10982551B1 (en) 2012-09-14 2021-04-20 Raytheon Technologies Corporation Turbomachine blade
US9481917B2 (en) 2012-12-20 2016-11-01 United Technologies Corporation Gaseous based desulfurization of alloys
GB201813086D0 (en) 2018-08-10 2018-09-26 Rolls Royce Plc Efficient gas turbine engine
GB201813082D0 (en) 2018-08-10 2018-09-26 Rolls Royce Plc Efficient gas turbine engine
CN112281107A (zh) * 2020-10-22 2021-01-29 南昌航空大学 一种高温合金表面保护性氧化膜及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1710846A (en) * 1927-04-25 1929-04-30 Smith Willoughby Statham Refinement of nickel alloys
GB1001459A (en) * 1962-11-30 1965-08-18 Sherritt Gordon Mines Ltd Process for desulphurizing non-ferrous metal and metal alloy particles
US3853540A (en) * 1973-04-11 1974-12-10 Latrobe Steel Co Desulfurization of vacuum-induction-furnace-melted alloys
US3891425A (en) * 1974-02-27 1975-06-24 Special Metals Corp Desulfurization of transition metal alloys
US4209348A (en) * 1976-11-17 1980-06-24 United Technologies Corporation Heat treated superalloy single crystal article and process
US4719080A (en) * 1985-06-10 1988-01-12 United Technologies Corporation Advanced high strength single crystal superalloy compositions
GB2234524B (en) * 1986-11-18 1991-07-24 Haynes Int Inc Method of manufacturing brazable super alloys
US4895201A (en) * 1987-07-07 1990-01-23 United Technologies Corporation Oxidation resistant superalloys containing low sulfur levels

Also Published As

Publication number Publication date
DE69403474T2 (de) 1998-01-02
WO1994024319A1 (en) 1994-10-27
JP3407300B2 (ja) 2003-05-19
JPH08509026A (ja) 1996-09-24
US5344510A (en) 1994-09-06
EP0694082A1 (de) 1996-01-31
EP0694082B1 (de) 1997-05-28

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