ES2149023T3 - Palas de turbinas. - Google Patents

Palas de turbinas.

Info

Publication number
ES2149023T3
ES2149023T3 ES98103275T ES98103275T ES2149023T3 ES 2149023 T3 ES2149023 T3 ES 2149023T3 ES 98103275 T ES98103275 T ES 98103275T ES 98103275 T ES98103275 T ES 98103275T ES 2149023 T3 ES2149023 T3 ES 2149023T3
Authority
ES
Spain
Prior art keywords
turbine blades
precision casting
materials
well
casting materials
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
ES98103275T
Other languages
English (en)
Inventor
Akitsugu Fujita
Masatomo Kamada
Hiroshi Yokota
Mitsuyoshi Tsuchiya
Yoshinori Tanaka
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of ES2149023T3 publication Critical patent/ES2149023T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/11—Iron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
    • F05D2300/132—Chromium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

ESTA INVENCION ESTA RELACIONADA CON UNOS MATERIALES DE FUNDICION DE ALTA PRECISION DE CR QUE CONTIENEN CARBONO, SILICIO, MANGANESO, CROMO, NIQUEL, VANADIO, NIOBIO, NITROGENO, MOLIBDENO, TUNGSTENO, COBALTO, Y OPCIONALMENTE BORO, EN UNAS PROPORCIONES DE PESO ESPECIFICAS, COMPLETADOS CON HIERRO E IMPUREZAS INCIDENTALES, ASI COMO UNAS PALAS DE TURBINA FABRICADAS MEDIANTE UN PROCESO DE FUNDICION DE PRECISION USANDO ESTOS MATERIALES. EN CONSECUENCIA, LA PRESENTE INVENCION PROPORCIONA UNOS MATERIALES DE FUNDICION DE ALTA PRECISION DE CR QUE SON CAPACES DE FUNDIR CON PRECISION Y, ADEMAS, TIENEN UNA EXCELENTE DUREZA A ELEVADAS TEMPERATURAS, ASI COMO UNAS PALAS DE TURBINA BARATAS Y ALTAMENTE FIABLES CONSTRUIDAS USANDO ESTOS MATERIALES DE FUNDICION; DICHAS PALAS TIENEN TAMBIEN UN PESO MAS LIGERO.
ES98103275T 1997-03-05 1998-02-25 Palas de turbinas. Expired - Lifetime ES2149023T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9050428A JPH10245658A (ja) 1997-03-05 1997-03-05 高Ｃｒ精密鋳造材及びタービン翼

Publications (1)

Publication Number Publication Date
ES2149023T3 true ES2149023T3 (es) 2000-10-16

Family

ID=12858605

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98103275T Expired - Lifetime ES2149023T3 (es) 1997-03-05 1998-02-25 Palas de turbinas.

Country Status (7)

Country Link
US (1) US6095756A (es)
EP (1) EP0863221B1 (es)
JP (1) JPH10245658A (es)
AT (1) ATE192508T1 (es)
CZ (1) CZ290459B6 (es)
DE (1) DE69800133T2 (es)
ES (1) ES2149023T3 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4262414B2 (ja) * 2000-12-26 2009-05-13 株式会社日本製鋼所 高Ｃｒフェライト系耐熱鋼
US20040115059A1 (en) * 2002-12-12 2004-06-17 Kehl Richard Eugene Cored steam turbine bucket
US7104762B2 (en) * 2004-01-06 2006-09-12 General Electric Company Reduced weight control stage for a high temperature steam turbine
US20060088409A1 (en) * 2004-10-21 2006-04-27 General Electric Company Grouped reaction nozzle tip shrouds with integrated seals
US7281901B2 (en) 2004-12-29 2007-10-16 Caterpillar Inc. Free-form welded power system component
US20070071605A1 (en) * 2005-09-23 2007-03-29 General Electric Company Integrated nozzle and bucket wheels for reaction steam turbine stationary components and related method
CN101629573B (zh) * 2009-08-07 2011-08-10 宁波甬微集团有限公司 制冷压缩机滑片及其制造方法
JP2015227627A (ja) * 2014-05-30 2015-12-17 株式会社東芝 回転機械
EP3112597A1 (de) 2015-07-02 2017-01-04 Airbus Defence and Space GmbH Temperatur beständige turbinenschaufel mit oxidkeramik beschichtung
JP2017159350A (ja) * 2016-03-11 2017-09-14 株式会社神戸製鋼所 溶接金属、および該溶接金属を含む溶接構造体

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810711A (en) * 1972-09-22 1974-05-14 Gen Motors Corp Cooled turbine blade and its manufacture
GB1483532A (en) * 1974-09-13 1977-08-24 Rolls Royce Stator structure for a gas turbine engine
US4218178A (en) * 1978-03-31 1980-08-19 General Motors Corporation Turbine vane structure
US4693667A (en) * 1980-04-29 1987-09-15 Teledyne Industries, Inc. Turbine inlet nozzle with cooling means
EP0084234A1 (en) * 1981-12-16 1983-07-27 Vickers Plc Investment casting process and mould
JPS61231139A (ja) * 1985-04-06 1986-10-15 Nippon Steel Corp 高強度フエライト系耐熱鋼
US4761116A (en) * 1987-05-11 1988-08-02 General Electric Company Turbine blade with tip vent
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
US5173255A (en) * 1988-10-03 1992-12-22 General Electric Company Cast columnar grain hollow nickel base alloy articles and alloy and heat treatment for making
US5226789A (en) * 1991-05-13 1993-07-13 General Electric Company Composite fan stator assembly
JP2808048B2 (ja) * 1991-06-18 1998-10-08 新日本製鐵株式会社 高強度フェライト系耐熱鋼
US5310431A (en) * 1992-10-07 1994-05-10 Robert F. Buck Creep resistant, precipitation-dispersion-strengthened, martensitic stainless steel and method thereof
US5350277A (en) * 1992-11-20 1994-09-27 General Electric Company Closed-circuit steam-cooled bucket with integrally cooled shroud for gas turbines and methods of steam-cooling the buckets and shrouds
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
JP3110227B2 (ja) * 1993-11-22 2000-11-20 株式会社東芝 タービン冷却翼
JP3315800B2 (ja) * 1994-02-22 2002-08-19 株式会社日立製作所 蒸気タービン発電プラント及び蒸気タービン
JPH08135402A (ja) * 1994-11-11 1996-05-28 Mitsubishi Heavy Ind Ltd ガスタービン静翼構造
JP3723924B2 (ja) * 1995-04-03 2005-12-07 株式会社日本製鋼所 耐熱鋳鋼およびその製造方法
JP3310825B2 (ja) * 1995-07-17 2002-08-05 三菱重工業株式会社 高温用蒸気タービンロータ材
JPH0959747A (ja) * 1995-08-25 1997-03-04 Hitachi Ltd 高強度耐熱鋳鋼，蒸気タービンケーシング，蒸気タービン発電プラント及び蒸気タービン
JP3358951B2 (ja) * 1996-09-10 2002-12-24 三菱重工業株式会社 高強度・高靱性耐熱鋳鋼

Also Published As

Publication number Publication date
CZ63498A3 (cs) 1999-11-17
EP0863221B1 (en) 2000-05-03
CZ290459B6 (cs) 2002-07-17
US6095756A (en) 2000-08-01
DE69800133T2 (de) 2000-11-09
ATE192508T1 (de) 2000-05-15
EP0863221A1 (en) 1998-09-09
JPH10245658A (ja) 1998-09-14
DE69800133D1 (de) 2000-06-08

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