DE69403474D1 - Entschwefelungsverfahren zur verbesserung der oxidationsbeständigkeit von werkstücken aus superlegierung - Google Patents
Entschwefelungsverfahren zur verbesserung der oxidationsbeständigkeit von werkstücken aus superlegierungInfo
- 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
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
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)
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)
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 |
-
1993
- 1993-04-14 US US08/048,407 patent/US5344510A/en not_active Expired - Lifetime
-
1994
- 1994-03-14 WO PCT/US1994/002719 patent/WO1994024319A1/en active IP Right Grant
- 1994-03-14 DE DE69403474T patent/DE69403474T2/de not_active Expired - Lifetime
- 1994-03-14 JP JP52318094A patent/JP3407300B2/ja not_active Expired - Lifetime
- 1994-03-14 EP EP94910931A patent/EP0694082B1/de not_active Expired - Lifetime
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |