CA1142839A - Method and apparatus for epitaxial solidification - Google Patents

Method and apparatus for epitaxial solidification

Info

Publication number
CA1142839A
CA1142839A CA000340560A CA340560A CA1142839A CA 1142839 A CA1142839 A CA 1142839A CA 000340560 A CA000340560 A CA 000340560A CA 340560 A CA340560 A CA 340560A CA 1142839 A CA1142839 A CA 1142839A
Authority
CA
Canada
Prior art keywords
seed
cavity
mold
chill plate
molten metal
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
CA000340560A
Other languages
English (en)
French (fr)
Inventor
Bruce E. Terkelsen
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 Technologies 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 Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of CA1142839A publication Critical patent/CA1142839A/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
    • C30B11/14—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method characterised by the seed, e.g. its crystallographic orientation
    • 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
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/52—Alloys
CA000340560A 1978-12-13 1979-11-23 Method and apparatus for epitaxial solidification Expired CA1142839A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96913078A 1978-12-13 1978-12-13
US969,130 1978-12-13

Publications (1)

Publication Number Publication Date
CA1142839A true CA1142839A (en) 1983-03-15

Family

ID=25515222

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000340560A Expired CA1142839A (en) 1978-12-13 1979-11-23 Method and apparatus for epitaxial solidification

Country Status (14)

Country Link
JP (1) JPS5581064A (de)
BE (1) BE880402A (de)
BR (1) BR7908118A (de)
CA (1) CA1142839A (de)
CH (1) CH644408A5 (de)
DE (1) DE2949446A1 (de)
DK (1) DK158629C (de)
FR (1) FR2444092A1 (de)
GB (1) GB2037200B (de)
IL (1) IL58882A (de)
IT (1) IT1127731B (de)
NL (1) NL185271C (de)
NO (1) NO794028L (de)
SE (1) SE7910137L (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364096A (zh) * 2020-03-30 2020-07-03 上海交通大学 基底触发单晶高温合金定向凝固工艺

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289570A (en) * 1978-12-13 1981-09-15 United Technologies Corporation Seed and method for epitaxial solidification
IL65014A0 (en) * 1981-03-02 1982-04-30 Trw Inc Method of casting an article
FR2734187A1 (fr) * 1981-09-25 1996-11-22 Snecma Procede de fabrication d'aubes monocristallines
GB2110299A (en) * 1981-11-03 1983-06-15 Rolls Royce I.C. engine poppet valve
US4605452A (en) * 1981-12-14 1986-08-12 United Technologies Corporation Single crystal articles having controlled secondary crystallographic orientation
US4412577A (en) * 1982-01-27 1983-11-01 United Technologies Corporation Control of seed melt-back during directional solidification of metals
US4475582A (en) * 1982-01-27 1984-10-09 United Technologies Corporation Casting a metal single crystal article using a seed crystal and a helix
US4580613A (en) * 1982-08-05 1986-04-08 Howmet Turbine Components Corporation Method and mold for casting articles having a predetermined crystalline orientation
US4612969A (en) * 1983-04-27 1986-09-23 Howmet Turbine Components Corporation Method of and apparatus for casting articles with predetermined crystalline orientation
EP0171343A1 (de) * 1984-05-11 1986-02-12 United Technologies Corporation Keimkristall mit vieleckigem Durchschnitt für gerichtete Erstarrung
GB2212890B (en) * 1984-07-04 1989-11-22 Wisotzki Juergen Funnel-shaped or shell-shaped insert for hollow charges and a process and a mould for producing it.
US5061154A (en) * 1989-12-11 1991-10-29 Allied-Signal Inc. Radial turbine rotor with improved saddle life
DE4039808C1 (de) * 1990-12-13 1992-01-02 Mtu Muenchen Gmbh
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
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
DE19526344C1 (de) * 1995-07-19 1996-08-08 Mtu Muenchen Gmbh Bauteil mit Hohlräumen für Turbotriebwerke aus gerichtet erstarrten Metallegierungen mit Kolumnarstruktur
DE19611866A1 (de) * 1996-03-26 1997-10-02 Lyulka Saturn Inc Gießform zur Herstellung eines einkristallinen Erzeugnisses
US6103993A (en) * 1996-07-10 2000-08-15 Mtu Motoren-Und Turbinen-Union Munchen Gmbh Hollow rotor blade of columnar structure having a single crystal column in which a series of holes are laser drilled
US7343960B1 (en) 1998-11-20 2008-03-18 Rolls-Royce Corporation Method and apparatus for production of a cast component
US6932145B2 (en) 1998-11-20 2005-08-23 Rolls-Royce Corporation Method and apparatus for production of a cast component
US6497272B1 (en) 1999-10-14 2002-12-24 Howmet Research Corporation Single crystal casting mold
DE10033688B4 (de) * 2000-07-11 2008-04-24 Alstom Technology Ltd. Verfahren zur Herstellung von gerichtet erstarrten Gussteilen
US7575038B2 (en) * 2001-06-11 2009-08-18 Howmet Research Corporation Single crystal seed
US20050211408A1 (en) * 2004-03-25 2005-09-29 Bullied Steven J Single crystal investment cast components and methods of making same
CN1332070C (zh) * 2004-12-24 2007-08-15 中国科学院金属研究所 一种籽晶法定向凝固起始端结构及其应用
US11377753B2 (en) * 2019-10-04 2022-07-05 Raytheon Technologies Corporation Arcuate seed casting method
US11198175B2 (en) 2019-10-04 2021-12-14 Raytheon Technologies Corporation Arcuate seed casting method

Family Cites Families (10)

* 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
DE1069389B (de) * 1954-10-28 1959-11-19 Jean de Gaillard de la Valdene, Palm Beach, Fla. (V. St. A.) Verfahren und Vorrichtung zum Züchten von Einkristallen
NL136758C (de) * 1963-10-21 1900-01-01
US3494709A (en) * 1965-05-27 1970-02-10 United Aircraft Corp Single crystal metallic part
US3598169A (en) * 1969-03-13 1971-08-10 United Aircraft Corp Method and apparatus for casting directionally solidified discs and the like
US3759310A (en) * 1971-08-30 1973-09-18 United Aircraft Corp Nsumable electrode method and apparatus for providing single crystal castings using a co
US3763926A (en) * 1971-09-15 1973-10-09 United Aircraft Corp Apparatus for casting of directionally solidified articles
US3857436A (en) * 1973-02-13 1974-12-31 D Petrov Method and apparatus for manufacturing monocrystalline articles
US3895672A (en) * 1973-12-26 1975-07-22 United Aircraft Corp Integrated furnace method and apparatus for the continuous production of individual castings
US4015657A (en) * 1975-09-03 1977-04-05 Dmitry Andreevich Petrov Device for making single-crystal products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111364096A (zh) * 2020-03-30 2020-07-03 上海交通大学 基底触发单晶高温合金定向凝固工艺
CN111364096B (zh) * 2020-03-30 2021-01-22 上海交通大学 基底触发单晶高温合金定向凝固工艺
WO2021196713A1 (zh) * 2020-03-30 2021-10-07 上海交通大学 基底触发单晶高温合金定向凝固工艺

Also Published As

Publication number Publication date
GB2037200A (en) 1980-07-09
CH644408A5 (de) 1984-07-31
DK529479A (da) 1980-06-14
DE2949446A1 (de) 1980-06-26
JPS5581064A (en) 1980-06-18
NL185271B (nl) 1989-10-02
DE2949446C2 (de) 1989-01-26
BE880402A (fr) 1980-04-01
NL185271C (nl) 1990-03-01
FR2444092A1 (fr) 1980-07-11
JPS6358669B2 (de) 1988-11-16
IT7928074A0 (it) 1979-12-17
GB2037200B (en) 1983-02-09
DK158629C (da) 1990-11-26
BR7908118A (pt) 1980-07-29
FR2444092B1 (de) 1984-05-11
SE7910137L (sv) 1980-06-14
NO794028L (no) 1980-06-16
IT1127731B (it) 1986-05-21
IL58882A0 (en) 1980-03-31
DK158629B (da) 1990-06-25
NL7908785A (nl) 1980-06-17
IL58882A (en) 1982-12-31

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Legal Events

Date Code Title Description
MKEX Expiry