GB1303028A - - Google Patents

Info

Publication number
GB1303028A
GB1303028A GB3237071A GB3237071A GB1303028A GB 1303028 A GB1303028 A GB 1303028A GB 3237071 A GB3237071 A GB 3237071A GB 3237071 A GB3237071 A GB 3237071A GB 1303028 A GB1303028 A GB 1303028A
Authority
GB
United Kingdom
Prior art keywords
moulds
furnace
reflector
alloy
ceramic
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
Application number
GB3237071A
Other languages
English (en)
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 filed Critical
Publication of GB1303028A publication Critical patent/GB1303028A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C30B11/002—Crucibles or containers for supporting the melt
    • 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
    • B22D27/045—Directionally solidified castings
    • 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
    • C30B11/003—Heating or cooling of the melt or the crystallised material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
GB3237071A 1970-11-12 1971-07-09 Expired GB1303028A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8860870A 1970-11-12 1970-11-12

Publications (1)

Publication Number Publication Date
GB1303028A true GB1303028A (enrdf_load_stackoverflow) 1973-01-17

Family

ID=22212358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3237071A Expired GB1303028A (enrdf_load_stackoverflow) 1970-11-12 1971-07-09

Country Status (4)

Country Link
US (1) US3680625A (enrdf_load_stackoverflow)
JP (1) JPS514186B1 (enrdf_load_stackoverflow)
FR (1) FR2113833B1 (enrdf_load_stackoverflow)
GB (1) GB1303028A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999013137A1 (en) * 1997-09-12 1999-03-18 General Electric Company Apparatus for producing castings with directional and single crystal structure
US6557618B1 (en) 1997-09-12 2003-05-06 General Electric Company Apparatus and method for producing castings with directional and single crystal structure and the article according to the method
RU2211746C1 (ru) * 2001-12-26 2003-09-10 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" Способ получения отливок с направленной и монокристальной структурой и устройство для его осуществления
CN114130994A (zh) * 2021-12-20 2022-03-04 成都航宇超合金技术有限公司 一种减少单晶叶片平台处杂晶缺陷的装置及其方法

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810504A (en) * 1971-03-26 1974-05-14 Trw Inc Method for directional solidification
US3926245A (en) * 1973-09-28 1975-12-16 Gen Motors Corp Method for producing directionally solidified cast alloy articles and apparatus therefor
CH577864A5 (enrdf_load_stackoverflow) * 1974-05-29 1976-07-30 Sulzer Ag
US3931847A (en) * 1974-09-23 1976-01-13 United Technologies Corporation Method and apparatus for production of directionally solidified components
US4240495A (en) * 1978-04-17 1980-12-23 General Motors Corporation Method of making cast metal turbine wheel with integral radial columnar grain blades and equiaxed grain disc
US4850419A (en) * 1982-09-01 1989-07-25 Trw Inc. Method of casting a one-piece wheel
US4673021A (en) * 1986-01-28 1987-06-16 Trw Inc. Method and apparatus for casting articles
JPS63500785A (ja) * 1986-01-28 1988-03-24 ティ−ア−ルダブリュ−・インコ−ポレ−テッド 物品鋳造方法並びに装置
US4813470A (en) * 1987-11-05 1989-03-21 Allied-Signal Inc. Casting turbine components with integral airfoils
US5072771A (en) * 1988-03-28 1991-12-17 Pcc Airfoils, Inc. Method and apparatus for casting a metal article
US5175008A (en) * 1988-11-24 1992-12-29 Chugoku Shiken Kabushiki Kaisha Device for supplying plastic material for denture base and flask with the same
RU2117550C1 (ru) * 1997-09-12 1998-08-20 Всероссийский научно-исследовательский институт авиационных материалов Устройство для получения отливок с направленной и монокристаллической структурой
US6471397B2 (en) * 1999-08-06 2002-10-29 Howmet Research Corporation Casting using pyrometer apparatus and method
US20080096043A1 (en) * 2004-07-27 2008-04-24 Universidade Do Minho Process and Equipment For Obtaining Metal Or Metal Matrix Components With A Varying Chemical Composition Along The Height Of The Component And Components Thus Obtained
FR2874340B1 (fr) * 2004-08-20 2008-01-04 Snecma Moteurs Sa Procede de fonderie de pieces en carapace, grappe et carapace pour sa mise en oeuvre, aube de turboreacteur obtenue par un tel procede, et moteur d'aeronef comportant de telles aubes
EP2134487A1 (en) 2007-01-29 2009-12-23 Evonik Degussa GmbH Fumed metal oxides for investment casting
FR3016817B1 (fr) * 2014-01-24 2016-02-12 Snecma Procede de prechauffage d'un ensemble de moules carapaces pour fonderie a la cire perdue
GB201601898D0 (en) * 2016-02-03 2016-03-16 Rolls Royce Plc Apparatus for casting multiple components using a directional solidification process
WO2021141704A1 (en) 2020-01-09 2021-07-15 Tundra Composites, LLC Apparatus and methods for sintering
US12121962B2 (en) * 2022-09-27 2024-10-22 GM Global Technology Operations LLC System and method of making a tilt-poured cradle for a fuel cell
US12128476B2 (en) * 2023-01-24 2024-10-29 GM Global Technology Operations LLC System and method of making a cast reverse tilt-poured fuel cell cradle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248764A (en) * 1964-01-08 1966-05-03 Trw Inc Method for improving grain structure and soundness in castings
US3417809A (en) * 1965-07-16 1968-12-24 United Aircraft Corp Method of casting directionally solidified articles
US3515205A (en) * 1968-03-20 1970-06-02 United Aircraft Corp Mold construction forming single crystal pieces
US3627015A (en) * 1970-06-01 1971-12-14 Hughes Aircraft Co Cocoon casting of directionally solidified articles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999013137A1 (en) * 1997-09-12 1999-03-18 General Electric Company Apparatus for producing castings with directional and single crystal structure
US6557618B1 (en) 1997-09-12 2003-05-06 General Electric Company Apparatus and method for producing castings with directional and single crystal structure and the article according to the method
RU2211746C1 (ru) * 2001-12-26 2003-09-10 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" Способ получения отливок с направленной и монокристальной структурой и устройство для его осуществления
CN114130994A (zh) * 2021-12-20 2022-03-04 成都航宇超合金技术有限公司 一种减少单晶叶片平台处杂晶缺陷的装置及其方法
CN114130994B (zh) * 2021-12-20 2023-12-19 成都航宇超合金技术有限公司 一种减少单晶叶片平台处杂晶缺陷的装置及其方法

Also Published As

Publication number Publication date
US3680625A (en) 1972-08-01
FR2113833A1 (enrdf_load_stackoverflow) 1972-06-30
JPS514186B1 (enrdf_load_stackoverflow) 1976-02-09
FR2113833B1 (enrdf_load_stackoverflow) 1975-02-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee
PCNP Patent ceased through non-payment of renewal fee