GB1276080A - Making directionally solidified castings - Google Patents

Making directionally solidified castings

Info

Publication number
GB1276080A
GB1276080A GB26151/71A GB2615171A GB1276080A GB 1276080 A GB1276080 A GB 1276080A GB 26151/71 A GB26151/71 A GB 26151/71A GB 2615171 A GB2615171 A GB 2615171A GB 1276080 A GB1276080 A GB 1276080A
Authority
GB
United Kingdom
Prior art keywords
mould
cavity
susceptor
alloy
assembly
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
GB26151/71A
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 GB1276080A publication Critical patent/GB1276080A/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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making

Landscapes

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

Abstract

1276080 Progressive crystallization UNITED AIRCRAFT CORP 19 April 1971 [28 April 1970] 26151/71 Heading BIS [Also in Divisions B3 and H5] An assembly for making directionally solidified castings comprises a shell mould 10 placed within a bore 8 of a susceptor 6 surrounded by induction coils 2. The susceptor 6 has a varying wall thickness to control heat-loss from the metal cast in the mould and to control heating of the mould. At the base of the mould is a cavity 14 in which is placed a slug of alloy to be cast. The cavity 14 is sealed with a cap 17 and the mould 10 is held in the susceptor 6 by a screw-cap 28. The coils 2 are energised to melt the alloy in the cavity 14. The assembly is inverted and placed upon a chill plate (not shown), thereby pouring the alloy into the article-forming cavity 20, 22, 24 of the mould to form a turbine blade. The induction heating is switched off or reduced and solidification proceeds upwardly from a single crystal-selecting helix 26 (now at the base of the assembly and adjacent the chill plate) into the article-forming cavity 20, 22, 24. Columner grained castings can also be made if the helix 26 is omitted from the mould and a crystal growth zone substituted.
GB26151/71A 1970-04-28 1971-04-19 Making directionally solidified castings Expired GB1276080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3259370A 1970-04-28 1970-04-28

Publications (1)

Publication Number Publication Date
GB1276080A true GB1276080A (en) 1972-06-01

Family

ID=21865752

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26151/71A Expired GB1276080A (en) 1970-04-28 1971-04-19 Making directionally solidified castings

Country Status (10)

Country Link
US (1) US3667533A (en)
AU (1) AU2711571A (en)
BE (1) BE766102A (en)
CA (1) CA939110A (en)
CH (1) CH530832A (en)
DE (1) DE2114694A1 (en)
FR (1) FR2086405A1 (en)
GB (1) GB1276080A (en)
IL (1) IL36441A0 (en)
NL (1) NL7103915A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135559A (en) * 1983-02-14 1984-08-30 Electricity Council Induction heaters
GB2144957A (en) * 1983-07-21 1985-03-13 Force Eng Ltd Induction heater
GB2195933A (en) * 1986-10-15 1988-04-20 David John Reid Melting and casting non- ferrous and precious metals

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754592A (en) * 1972-02-15 1973-08-28 Gen Motors Corp Method for producing directionally solidified cast alloy articles
FR2567922B1 (en) * 1984-07-18 1987-05-07 Commissariat Energie Atomique CRYSTALLOGENESIS OVEN
EP1162016B1 (en) * 2000-05-13 2004-07-21 ALSTOM Technology Ltd Apparatus for casting a directionally solidified article
US20100238967A1 (en) * 2009-03-18 2010-09-23 Bullied Steven J Method of producing a fine grain casting
US10493523B1 (en) 2016-02-04 2019-12-03 Williams International Co., L.L.C. Method of producing a cast component
CN107385513B (en) * 2017-09-06 2023-11-10 中国科学院金属研究所 Central heating and central cooling device for directional solidification furnace
CN110125344A (en) * 2019-06-12 2019-08-16 陕西三毅有岩材料科技有限公司 A kind of method and refractory metal ingot casting refractory metal
CN110218934B (en) * 2019-07-26 2020-06-09 南昌工程学院 Fe-Ga-Ce-B alloy bar and preparation method thereof and cooling copper die
CN112743107B (en) * 2020-12-29 2022-10-25 西安交通大学 Powder metallurgy device and metallurgy method based on ultrahigh-melting-point alloy

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1734313A (en) * 1928-05-26 1929-11-05 Malmborg Nils W Daniel Von Casting apparatus
US1926573A (en) * 1931-12-24 1933-09-12 Ajax Electrothermic Corp Casting method and apparatus
US2594998A (en) * 1950-02-23 1952-04-29 Gen Electric Single crystal fabrication
US2897555A (en) * 1956-12-22 1959-08-04 Nishikiori Seiji Steel ingot making composition, method and apparatus
US3538981A (en) * 1968-08-05 1970-11-10 United Aircraft Corp Apparatus for casting directionally solidified articles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135559A (en) * 1983-02-14 1984-08-30 Electricity Council Induction heaters
GB2144957A (en) * 1983-07-21 1985-03-13 Force Eng Ltd Induction heater
GB2195933A (en) * 1986-10-15 1988-04-20 David John Reid Melting and casting non- ferrous and precious metals
GB2195933B (en) * 1986-10-15 1990-12-05 David John Reid Method of casting non-ferrous and precious metals

Also Published As

Publication number Publication date
CA939110A (en) 1974-01-01
IL36441A0 (en) 1971-05-26
DE2114694A1 (en) 1971-11-11
NL7103915A (en) 1971-11-01
FR2086405A1 (en) 1971-12-31
AU2711571A (en) 1972-10-05
US3667533A (en) 1972-06-06
CH530832A (en) 1972-11-30
BE766102A (en) 1971-09-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees