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CA945733A - Method and apparatus for unidirectional solidification of castings - Google Patents

Method and apparatus for unidirectional solidification of castings

Info

Publication number
CA945733A
CA945733A CA126,005A CA126005A CA945733A CA 945733 A CA945733 A CA 945733A CA 126005 A CA126005 A CA 126005A CA 945733 A CA945733 A CA 945733A
Authority
CA
Canada
Prior art keywords
castings
unidirectional solidification
unidirectional
solidification
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
CA126,005A
Other versions
CA126005S (en
Inventor
Thomas S. Piwonka
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW Inc
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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of CA945733A publication Critical patent/CA945733A/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
    • C30B11/002—Crucibles or containers for supporting the melt
    • 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)
  • General Induction Heating (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
CA126,005A 1971-03-26 1971-10-25 Method and apparatus for unidirectional solidification of castings Expired CA945733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12827371A 1971-03-26 1971-03-26

Publications (1)

Publication Number Publication Date
CA945733A true CA945733A (en) 1974-04-23

Family

ID=22434507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA126,005A Expired CA945733A (en) 1971-03-26 1971-10-25 Method and apparatus for unidirectional solidification of castings

Country Status (5)

Country Link
JP (1) JPS517131B1 (en)
CA (1) CA945733A (en)
FR (1) FR2130081B1 (en)
GB (1) GB1307208A (en)
IT (1) IT940599B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476691B1 (en) * 1980-02-26 1985-08-09 Bo Ermano PROCESS AND MEANS FOR THE PREPARATION AND TREATMENT OF EUTECTIC AND EUTECTOID COMPOSITES
DE4212410C2 (en) * 1992-04-13 1996-08-08 Sulzer Mtu Casting Technology Casting unit for the production of a plurality of castings
DE19919869B4 (en) * 1999-04-30 2009-11-12 Alstom Casting furnace for the production of directionally monocrystalline and polycrystalline solidified casting bodies
CN113798475B (en) * 2021-08-02 2023-02-21 东方电气集团东方汽轮机有限公司 Device for improving temperature gradient of directional solidification test bar and preparation method
CN114918403B (en) * 2022-04-26 2023-04-21 上海交通大学 Thermal control device and method for pressure regulating precision casting and casting device

Also Published As

Publication number Publication date
IT940599B (en) 1973-02-20
GB1307208A (en) 1973-02-14
JPS517131B1 (en) 1976-03-05
FR2130081B1 (en) 1978-03-03
FR2130081A1 (en) 1972-11-03

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