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IL39070A - Method of forming water-soluble magnesium oxide cores - Google Patents

Method of forming water-soluble magnesium oxide cores

Info

Publication number
IL39070A
IL39070A IL39070A IL3907072A IL39070A IL 39070 A IL39070 A IL 39070A IL 39070 A IL39070 A IL 39070A IL 3907072 A IL3907072 A IL 3907072A IL 39070 A IL39070 A IL 39070A
Authority
IL
Israel
Prior art keywords
magnesium oxide
magnesium
slurry
soluble magnesium
forming water
Prior art date
Application number
IL39070A
Other languages
Hebrew (he)
Other versions
IL39070A0 (en
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 IL39070A0 publication Critical patent/IL39070A0/en
Publication of IL39070A publication Critical patent/IL39070A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/10Cores; Manufacture or installation of cores
    • B22C9/105Salt cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Claims (1)

1. CLAIMS A method of a use the manufacture of hollow articles investment casting said being adapted to be disposed within the casting so upon passages said method Including the steps admixing an aqueous solution of magnesium chloride with magnesium oxide powder to form a pouring said slurry into a die of the desired shape and allowing said slurry to harden to form a body corresponding to the shape of said firing said body at a temperature of between about and 1 to oxidize said magnesium chloride and a magnesium oxide said core being useful in said ment castin process The method according to Claim 1 said slurry contains between abou and 30 magnesium chloride and 60 and 80 magnesium The accordin to Claim further comprising the step of coating pore with zirconium oxide a particle size than about 100 coated core being useful in said investment casting A metho according to to substantially as described insufficientOCRQuality
IL39070A 1971-06-29 1972-03-24 Method of forming water-soluble magnesium oxide cores IL39070A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15812871A 1971-06-29 1971-06-29

Publications (2)

Publication Number Publication Date
IL39070A0 IL39070A0 (en) 1972-05-30
IL39070A true IL39070A (en) 1976-10-31

Family

ID=22566794

Family Applications (1)

Application Number Title Priority Date Filing Date
IL39070A IL39070A (en) 1971-06-29 1972-03-24 Method of forming water-soluble magnesium oxide cores

Country Status (12)

Country Link
US (1) US3722574A (en)
JP (1) JPS5524982B1 (en)
AU (1) AU464359B2 (en)
BE (1) BE785335A (en)
CA (1) CA972920A (en)
CH (1) CH538434A (en)
DE (1) DE2220060C3 (en)
FR (1) FR2143646B1 (en)
GB (1) GB1325412A (en)
IL (1) IL39070A (en)
IT (1) IT956344B (en)
SE (1) SE399371B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073662A (en) * 1977-03-09 1978-02-14 General Electric Company Method for removing a magnesia doped alumina core material
DE2900429A1 (en) * 1979-01-08 1980-07-17 Klepsch Kunstgalerie METHOD FOR PRODUCING A DOUBLE-WALLED, HOLLOW ITEM, IN PARTICULAR A CUP-SHAPED ITEM, MADE OF GLASS OR THE LIKE, MOLD FOR IMPLEMENTING THE METHOD, AND IN PARTICULAR ARTICLES PRODUCED THEREOF
US4604140A (en) * 1984-04-26 1986-08-05 Societe Nationale De L'amiante Foundry sands derived from serpentine and foundry molds derived therefrom
US5335717A (en) * 1992-01-30 1994-08-09 Howmet Corporation Oxidation resistant superalloy castings
US6776219B1 (en) 1999-09-20 2004-08-17 Metal Matrix Cast Composites, Inc. Castable refractory investment mold materials and methods of their use in infiltration casting
CA2496382A1 (en) 2002-08-20 2004-03-04 Extrude Hone Corporation Casting process and articles for performing the same
US20060243421A1 (en) * 2005-04-29 2006-11-02 United States Of America, Represented By Secretary Of The U.S. Army Soluble casting core for metal matrix composite components and method of producing thereof
JP5193229B2 (en) 2007-01-29 2013-05-08 エボニック デグサ ゲーエムベーハー Fumed metal oxides for investment casting
DE102007017762B4 (en) * 2007-04-16 2016-12-29 Hermle Maschinenbau Gmbh Method for producing a workpiece with at least one free space
DE102007017754B4 (en) * 2007-04-16 2016-12-29 Hermle Maschinenbau Gmbh Method for producing a workpiece with at least one free space
CN112222363A (en) * 2020-10-20 2021-01-15 淄博建宗复合材料有限公司 Ceramic salt core formed by one-step die-casting through molten liquid and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1306572A (en) * 1961-11-21 1962-10-13 Mo Och Domsjoe Ab Improvements in the production of foundry cores and molds
GB1115441A (en) * 1965-01-19 1968-05-29 Doulton & Co Ltd Improvements relating to the production of metal and alloy castings
DE1483641C3 (en) * 1965-06-12 1973-10-11 Karl Schmidt Gmbh, 7107 Neckarsulm Water-soluble salt cores
US3643728A (en) * 1970-07-08 1972-02-22 United Aircraft Corp Process of casting nickel base alloys using water-soluble calcia cores

Also Published As

Publication number Publication date
CA972920A (en) 1975-08-19
DE2220060C3 (en) 1975-07-31
DE2220060A1 (en) 1973-01-18
SE399371B (en) 1978-02-13
IL39070A0 (en) 1972-05-30
GB1325412A (en) 1973-08-01
FR2143646B1 (en) 1976-06-11
AU464359B2 (en) 1975-08-01
AU4114972A (en) 1973-10-18
CH538434A (en) 1973-06-30
IT956344B (en) 1973-10-10
JPS5524982B1 (en) 1980-07-02
DE2220060B2 (en) 1974-12-05
FR2143646A1 (en) 1973-02-09
US3722574A (en) 1973-03-27
BE785335A (en) 1972-10-16

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