GB1154844A - Improvements in and relating to a Casting Process and a Mould Construction therefor - Google Patents

Improvements in and relating to a Casting Process and a Mould Construction therefor

Info

Publication number
GB1154844A
GB1154844A GB20546/66A GB2054666A GB1154844A GB 1154844 A GB1154844 A GB 1154844A GB 20546/66 A GB20546/66 A GB 20546/66A GB 2054666 A GB2054666 A GB 2054666A GB 1154844 A GB1154844 A GB 1154844A
Authority
GB
United Kingdom
Prior art keywords
mould
crystalline structure
relating
casting process
growth portion
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
GB20546/66A
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.)
Raytheon Technologies Corp
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Publication of GB1154844A publication Critical patent/GB1154844A/en
Expired 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
    • 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
    • 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
    • C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
    • C30B29/605—Products containing multiple oriented crystallites, e.g. columnar crystallites

Abstract

1,154,844. Casting processes. UNITED AIRCRAFT CORP. 10 June, 1966 [16 July, 1965], No. 20546/66. Heading B3F. In the casting of articles in which a directionally extending substantially parallel columnar crystalline structure is required the mould has an extension 12 to produce a growth portion external to the machine finished dimension, in which the random crystalline structure caused by direct contact with a chill plate 22 is formed, and which is subsequently machined off. A turbine blade is cast having a growth portion containing the random crystalline structure which is machined off at line 21, leaving a parallel finished blade. Induction heating coils 24 are used to heat the mould and, after pouring, the temperature of the mould is reduced in the direction from the water cooled chill plate to top of the mould.
GB20546/66A 1965-07-16 1966-06-10 Improvements in and relating to a Casting Process and a Mould Construction therefor Expired GB1154844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47253065A 1965-07-16 1965-07-16

Publications (1)

Publication Number Publication Date
GB1154844A true GB1154844A (en) 1969-06-11

Family

ID=23875887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20546/66A Expired GB1154844A (en) 1965-07-16 1966-06-10 Improvements in and relating to a Casting Process and a Mould Construction therefor

Country Status (3)

Country Link
DE (1) DE1558321A1 (en)
GB (1) GB1154844A (en)
SE (1) SE310538B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113500167A (en) * 2021-05-27 2021-10-15 中国航发南方工业有限公司 Top-pouring type filling system of directional solidification turbine blade

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1374462A (en) * 1971-06-22 1974-11-20 Secr Defence Casting of metal articles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113500167A (en) * 2021-05-27 2021-10-15 中国航发南方工业有限公司 Top-pouring type filling system of directional solidification turbine blade
CN113500167B (en) * 2021-05-27 2022-06-07 中国航发南方工业有限公司 Top-pouring type filling system of directional solidification turbine blade

Also Published As

Publication number Publication date
SE310538B (en) 1969-05-05
DE1558321A1 (en) 1970-04-09

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