GB1246556A - A method and apparatus for the manufacture of single crystals - Google Patents

A method and apparatus for the manufacture of single crystals

Info

Publication number
GB1246556A
GB1246556A GB35586/69A GB3558669A GB1246556A GB 1246556 A GB1246556 A GB 1246556A GB 35586/69 A GB35586/69 A GB 35586/69A GB 3558669 A GB3558669 A GB 3558669A GB 1246556 A GB1246556 A GB 1246556A
Authority
GB
United Kingdom
Prior art keywords
mould
bath
substance
cast
ladle
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
GB35586/69A
Inventor
Francis Busquet
Francis Forrat
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1246556A publication Critical patent/GB1246556A/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
    • C30B11/003—Heating or cooling of the melt or the crystallised material
    • 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
    • C30B11/007—Mechanisms for moving either the charge or the heater

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

1,246,556. Casting processes. COMMISSARIAT A L'ENERGIE ATOMIQUE. 15 July, 1969 [23 Aug., 1968], No. 35586/69. Heading B3F. [Also in Divisions B1 and F4] In a method of preparing single crystal cast articles, the substance to be cast is melted and is subjected to hydrostatic pressure in a mould 34 closed at its top 38, the mould is immersed in a bath of liquid material 30 kept at a temperature higher than the melting point of the substance, and the mould is raised continuously out of the bath so as to cause a single crystal growth from the top end of the mould. The substance to be cast is melted by induction in a ladle 20 and poured into a mould 34 by tilting the ladle 20. The mould 34 has a number of cavities clustered about a central runner 36 and is immersed in a bath 30 which is heated by induction coils 32. The mould is raised by a lifting head 42. A vacuum vessel 10 with a water-cooled jacket 18 surrounds the casting apparatus.
GB35586/69A 1968-08-23 1969-07-15 A method and apparatus for the manufacture of single crystals Expired GB1246556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR163975 1968-08-23

Publications (1)

Publication Number Publication Date
GB1246556A true GB1246556A (en) 1971-09-15

Family

ID=8653973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35586/69A Expired GB1246556A (en) 1968-08-23 1969-07-15 A method and apparatus for the manufacture of single crystals

Country Status (9)

Country Link
US (1) US3584676A (en)
BE (1) BE735422A (en)
CH (1) CH511635A (en)
DE (1) DE1941968C3 (en)
ES (1) ES369458A1 (en)
FR (1) FR1584406A (en)
GB (1) GB1246556A (en)
LU (1) LU59280A1 (en)
NL (1) NL166284C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857436A (en) * 1973-02-13 1974-12-31 D Petrov Method and apparatus for manufacturing monocrystalline articles
FR2361181A1 (en) * 1976-08-11 1978-03-10 Onera (Off Nat Aerospatiale) PROCESS AND APPARATUS FOR THE MOLDING OF SHAPED PARTS IN REFRACTORY COMPOSITE MATERIAL
DE2659448C2 (en) * 1976-12-30 1981-11-26 Getrag Getriebe- Und Zahnradfabrik Gmbh, 7140 Ludwigsburg Synchronizing device for clutches, especially of gearboxes
US4108236A (en) * 1977-04-21 1978-08-22 United Technologies Corporation Floating heat insulating baffle for directional solidification apparatus utilizing liquid coolant bath
US4178986A (en) * 1978-03-31 1979-12-18 General Electric Company Furnace for directional solidification casting
US4549599A (en) * 1978-10-19 1985-10-29 United Technologies Corporation Preventing mold and casting cracking in high rate directional solidification processes
GB2112309B (en) * 1981-12-23 1986-01-02 Rolls Royce Making a cast single crystal article
RU2722955C1 (en) * 2019-10-24 2020-06-05 Федеральное государственное бюджетное образовательное учреждение высшего образования "Комсомольский-на-Амуре государственный университет" (ФГБОУ ВО "КнАГУ") Method of metal casting into cold foundry shell mold

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1793672A (en) * 1926-02-16 1931-02-24 Percy W Bridgman Crystals and their manufacture
US2594998A (en) * 1950-02-23 1952-04-29 Gen Electric Single crystal fabrication
NL136758C (en) * 1963-10-21 1900-01-01
US3441078A (en) * 1967-02-01 1969-04-29 Trw Inc Method and apparatus for improving grain structures and soundness of castings
US3532155A (en) * 1967-12-05 1970-10-06 Martin Metals Co Process for producing directionally solidified castings

Also Published As

Publication number Publication date
BE735422A (en) 1969-12-01
ES369458A1 (en) 1971-06-16
FR1584406A (en) 1969-12-19
LU59280A1 (en) 1970-01-01
CH511635A (en) 1971-08-31
NL6911943A (en) 1970-02-25
DE1941968A1 (en) 1970-03-05
DE1941968B2 (en) 1971-12-16
NL166284B (en) 1981-02-16
DE1941968C3 (en) 1974-11-14
NL166284C (en) 1981-07-15
US3584676A (en) 1971-06-15

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