DE69704005T2 - Verfahren zur Herstellung eines Anbauteils durch Schmelzen eines Dorns in einer keramischen Giessform - Google Patents

Verfahren zur Herstellung eines Anbauteils durch Schmelzen eines Dorns in einer keramischen Giessform

Info

Publication number
DE69704005T2
DE69704005T2 DE69704005T DE69704005T DE69704005T2 DE 69704005 T2 DE69704005 T2 DE 69704005T2 DE 69704005 T DE69704005 T DE 69704005T DE 69704005 T DE69704005 T DE 69704005T DE 69704005 T2 DE69704005 T2 DE 69704005T2
Authority
DE
Germany
Prior art keywords
mandrel
melting
add
producing
ceramic mold
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 - Fee Related
Application number
DE69704005T
Other languages
English (en)
Other versions
DE69704005D1 (de
Inventor
Bernard Patrick Bewlay
Melvin Robert Jackson
Ann Melinda Ritter
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69704005D1 publication Critical patent/DE69704005D1/de
Application granted granted Critical
Publication of DE69704005T2 publication Critical patent/DE69704005T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/06—Melting-down metal, e.g. metal particles, in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/10—Repairing defective or damaged objects by metal casting procedures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
    • B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/52—Alloys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49318—Repairing or disassembling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE69704005T 1996-06-27 1997-06-26 Verfahren zur Herstellung eines Anbauteils durch Schmelzen eines Dorns in einer keramischen Giessform Expired - Fee Related DE69704005T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/672,154 US5673744A (en) 1996-06-27 1996-06-27 Method for forming an article extension by melting of a mandrel in a ceramic mold

Publications (2)

Publication Number Publication Date
DE69704005D1 DE69704005D1 (de) 2001-03-08
DE69704005T2 true DE69704005T2 (de) 2001-08-09

Family

ID=24697365

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69704005T Expired - Fee Related DE69704005T2 (de) 1996-06-27 1997-06-26 Verfahren zur Herstellung eines Anbauteils durch Schmelzen eines Dorns in einer keramischen Giessform

Country Status (6)

Country Link
US (1) US5673744A (de)
EP (1) EP0815991B1 (de)
JP (1) JPH1085928A (de)
KR (1) KR980000706A (de)
DE (1) DE69704005T2 (de)
SG (1) SG50854A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813832A (en) * 1996-12-05 1998-09-29 General Electric Company Turbine engine vane segment
US5822852A (en) * 1997-07-14 1998-10-20 General Electric Company Method for replacing blade tips of directionally solidified and single crystal turbine blades
US6616410B2 (en) 2001-11-01 2003-09-09 General Electric Company Oxidation resistant and/or abrasion resistant squealer tip and method for casting same
US20030196774A1 (en) * 2001-11-29 2003-10-23 Grigoriy Grinberg Method to incorporate cooling lines in a spray-formed article
US20050113229A1 (en) * 2003-11-25 2005-05-26 General Electric Company Universal mandrel
JP4528995B2 (ja) * 2007-08-02 2010-08-25 国立大学法人東北大学 Ｓｉバルク多結晶インゴットの製造方法
US9689265B2 (en) * 2012-04-09 2017-06-27 General Electric Company Thin-walled reinforcement lattice structure for hollow CMC buckets

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302252A (en) * 1963-12-03 1967-02-07 Amsted Ind Inc Apparatus for continuous casting
US3471266A (en) * 1967-05-29 1969-10-07 Tyco Laboratories Inc Growth of inorganic filaments
US3967353A (en) * 1974-07-18 1976-07-06 General Electric Company Gas turbine bucket-root sidewall piece seals
US4033792A (en) * 1974-12-23 1977-07-05 United Technologies Corporation Composite single crystal article
US4010531A (en) * 1975-09-02 1977-03-08 General Electric Company Tip cap apparatus and method of installation
JPS5254411A (en) * 1975-10-30 1977-05-02 Victor Co Of Japan Ltd Static capacitance type pick-up stylus and production of same
CH670406A5 (de) * 1987-03-19 1989-06-15 Bbc Brown Boveri & Cie
US4937053A (en) * 1987-03-27 1990-06-26 Mobil Solar Energy Corporation Crystal growing apparatus
JPS6418561A (en) * 1987-07-14 1989-01-23 Mitsubishi Metal Corp Production of active metal having unidirectional solidified structure and its alloy casting
US5261480A (en) * 1990-12-13 1993-11-16 Sulzer-Mtu Casting Technology Gmbh Process and apparatus for repair of drive blades such as turbine blades
DE4039807C1 (de) * 1990-12-13 1991-10-02 Mtu Muenchen Gmbh
US5291937A (en) * 1992-07-30 1994-03-08 General Electric Company Method for providing an extension on an end of an article having internal passageways
US5304039A (en) * 1992-07-30 1994-04-19 General Electric Company Method for providing an extension on an end of an article and extended article
DE69423061T2 (de) * 1993-08-06 2000-10-12 Hitachi Ltd Gasturbinenschaufel, Verfahren zur Herstellung derselben sowie Gasturbine mit dieser Schaufel

Also Published As

Publication number Publication date
EP0815991B1 (de) 2001-01-31
JPH1085928A (ja) 1998-04-07
DE69704005D1 (de) 2001-03-08
US5673744A (en) 1997-10-07
KR980000706A (ko) 1998-03-30
SG50854A1 (en) 1998-07-20
EP0815991A1 (de) 1998-01-07

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee