DE602004021654D1 - Verfahren zur Herstellung eines martensitischen Stahles ohne Schmelzen - Google Patents
Verfahren zur Herstellung eines martensitischen Stahles ohne SchmelzenInfo
- Publication number
- DE602004021654D1 DE602004021654D1 DE602004021654T DE602004021654T DE602004021654D1 DE 602004021654 D1 DE602004021654 D1 DE 602004021654D1 DE 602004021654 T DE602004021654 T DE 602004021654T DE 602004021654 T DE602004021654 T DE 602004021654T DE 602004021654 D1 DE602004021654 D1 DE 602004021654D1
- Authority
- DE
- Germany
- Prior art keywords
- melting
- preparation
- martensitic steel
- martensitic
- steel
- 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
- 229910000831 Steel Inorganic materials 0.000 title 1
- 229910000734 martensite Inorganic materials 0.000 title 1
- 238000002844 melting Methods 0.000 title 1
- 230000008018 melting Effects 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
Classifications
-
- 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
- C22B5/00—General methods of reducing to metals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/146—Multi-step reduction without melting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/423,288 US7553383B2 (en) | 2003-04-25 | 2003-04-25 | Method for fabricating a martensitic steel without any melting |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004021654D1 true DE602004021654D1 (de) | 2009-08-06 |
Family
ID=32962455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004021654T Expired - Lifetime DE602004021654D1 (de) | 2003-04-25 | 2004-04-21 | Verfahren zur Herstellung eines martensitischen Stahles ohne Schmelzen |
Country Status (3)
Country | Link |
---|---|
US (1) | US7553383B2 (de) |
EP (1) | EP1471155B1 (de) |
DE (1) | DE602004021654D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7416697B2 (en) | 2002-06-14 | 2008-08-26 | General Electric Company | Method for preparing a metallic article having an other additive constituent, without any melting |
US20050220656A1 (en) * | 2004-03-31 | 2005-10-06 | General Electric Company | Meltless preparation of martensitic steel articles having thermophysically melt incompatible alloying elements |
US7531021B2 (en) | 2004-11-12 | 2009-05-12 | General Electric Company | Article having a dispersion of ultrafine titanium boride particles in a titanium-base matrix |
US7790631B2 (en) * | 2006-11-21 | 2010-09-07 | Intel Corporation | Selective deposition of a dielectric on a self-assembled monolayer-adsorbed metal |
US8120114B2 (en) | 2006-12-27 | 2012-02-21 | Intel Corporation | Transistor having an etch stop layer including a metal compound that is selectively formed over a metal gate |
US10094007B2 (en) | 2013-10-24 | 2018-10-09 | Crs Holdings Inc. | Method of manufacturing a ferrous alloy article using powder metallurgy processing |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3206338A (en) * | 1963-05-10 | 1965-09-14 | Du Pont | Non-pyrophoric, ferromagnetic acicular particles and their preparation |
US3535104A (en) * | 1969-05-23 | 1970-10-20 | Du Pont | Ferromagnetic particles containing chromium |
JPS5921945B2 (ja) * | 1981-03-13 | 1984-05-23 | 古河電気工業株式会社 | 焼結高合金鋼の製造方法 |
JPS5950151A (ja) * | 1982-09-13 | 1984-03-23 | Fuji Die Kk | 超高合金鋼製の熱間圧延ロ−ル |
US4613385A (en) * | 1984-08-06 | 1986-09-23 | Regents Of The University Of California | High strength, low carbon, dual phase steel rods and wires and process for making same |
JPH0639885B2 (ja) * | 1988-03-14 | 1994-05-25 | 株式会社日立製作所 | ガスタービン用シュラウド及びガスタービン |
US5130207A (en) * | 1990-11-13 | 1992-07-14 | Alliant Tech Systems Inc. | Thin wall steel cartridge cases |
US5322666A (en) * | 1992-03-24 | 1994-06-21 | Inco Alloys International, Inc. | Mechanical alloying method of titanium-base metals by use of a tin process control agent |
US5415706A (en) * | 1993-05-28 | 1995-05-16 | Abb Management Ag | Heat- and creep-resistant steel having a martensitic microstructure produced by a heat-treatment process |
BR9508497A (pt) * | 1994-08-01 | 1997-12-23 | Kroftt Brakston International | Processos para produzir um material elementar ou uma liga do mesmo a partir de um halogeneto ou misturas do mesmo e para produzir continuamente um metal ou não metal ou uma liga do mesmo |
US5958106A (en) * | 1994-08-01 | 1999-09-28 | International Titanium Powder, L.L.C. | Method of making metals and other elements from the halide vapor of the metal |
US5984996A (en) * | 1995-02-15 | 1999-11-16 | The University Of Connecticut | Nanostructured metals, metal carbides, and metal alloys |
US6149709A (en) * | 1997-09-01 | 2000-11-21 | Kabushiki Kaisha Kobe Seiko Sho | Method of making iron and steel |
US5930580A (en) * | 1998-04-30 | 1999-07-27 | The United States Of America As Represented By The Secretary Of The Navy | Method for forming porous metals |
GB9812169D0 (en) | 1998-06-05 | 1998-08-05 | Univ Cambridge Tech | Purification method |
WO2000076698A1 (en) | 1999-06-11 | 2000-12-21 | Georgia Tech Research Corporation | Metallic articles formed by reduction of nonmetallic articles and method of producing metallic articles |
JP3651420B2 (ja) * | 2000-08-31 | 2005-05-25 | Jfeスチール株式会社 | 粉末冶金用合金鋼粉 |
US20050220656A1 (en) * | 2004-03-31 | 2005-10-06 | General Electric Company | Meltless preparation of martensitic steel articles having thermophysically melt incompatible alloying elements |
-
2003
- 2003-04-25 US US10/423,288 patent/US7553383B2/en not_active Expired - Fee Related
-
2004
- 2004-04-21 EP EP04252322A patent/EP1471155B1/de not_active Expired - Fee Related
- 2004-04-21 DE DE602004021654T patent/DE602004021654D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1471155A3 (de) | 2004-11-17 |
US20040211293A1 (en) | 2004-10-28 |
EP1471155B1 (de) | 2009-06-24 |
EP1471155A2 (de) | 2004-10-27 |
US7553383B2 (en) | 2009-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |