IT1099621B - Ceramiche basate su allumina per materiali di anima da fonderia - Google Patents

Ceramiche basate su allumina per materiali di anima da fonderia

Info

Publication number
IT1099621B
IT1099621B IT28255/78A IT2825578A IT1099621B IT 1099621 B IT1099621 B IT 1099621B IT 28255/78 A IT28255/78 A IT 28255/78A IT 2825578 A IT2825578 A IT 2825578A IT 1099621 B IT1099621 B IT 1099621B
Authority
IT
Italy
Prior art keywords
soul
foundry
aluminum
materials
based ceramics
Prior art date
Application number
IT28255/78A
Other languages
English (en)
Other versions
IT7828255A0 (it
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT7828255A0 publication Critical patent/IT7828255A0/it
Application granted granted Critical
Publication of IT1099621B publication Critical patent/IT1099621B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/113—Fine ceramics based on beta-aluminium oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101—Refractories from grain sized mixtures

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Mold Materials And Core Materials (AREA)
  • Ceramic Products (AREA)
IT28255/78A 1977-10-06 1978-09-29 Ceramiche basate su allumina per materiali di anima da fonderia IT1099621B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/839,990 US4156614A (en) 1977-10-06 1977-10-06 Alumina-based ceramics for core materials

Publications (2)

Publication Number Publication Date
IT7828255A0 IT7828255A0 (it) 1978-09-29
IT1099621B true IT1099621B (it) 1985-09-18

Family

ID=25281174

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28255/78A IT1099621B (it) 1977-10-06 1978-09-29 Ceramiche basate su allumina per materiali di anima da fonderia

Country Status (5)

Country Link
US (1) US4156614A (it)
EP (1) EP0001434A1 (it)
JP (1) JPS5455013A (it)
IT (1) IT1099621B (it)
NO (1) NO783375L (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2042951B (en) * 1978-11-08 1982-08-04 Rolls Royce Investment casting core
US4480681A (en) * 1982-08-30 1984-11-06 Doulton Industrial Products Limited Refractory mould body and method of casting using the mould body
US4771028A (en) * 1985-08-30 1988-09-13 Catalysts And Chemicals Inc. Heat resistant composition and method of producing the same
JPS62153158A (ja) * 1985-08-30 1987-07-08 東洋シーシーアイ株式会社 耐熱性触媒又は触媒担体及びその製造方法
GB2199822B (en) * 1987-01-17 1990-10-10 Rolls Royce Plc Ceramic core material and method of enhancing its leaching rate.
JPS63242917A (ja) * 1987-03-27 1988-10-07 Agency Of Ind Science & Technol 耐熱性アルミナ複合酸化物の製造方法
US4837187A (en) * 1987-06-04 1989-06-06 Howmet Corporation Alumina-based core containing yttria
US5158130A (en) * 1987-12-08 1992-10-27 Harri Sahari Method for preparation of moulds and cores used in the casting of metals
GB8925289D0 (en) * 1989-11-09 1989-12-28 Lilliwyte Sa Method of making analogues of beta"-alumina
US5458868A (en) * 1989-11-09 1995-10-17 Lilliwyte Societe Anonyme Method of making analogues of β-alumina
US5129998A (en) * 1991-05-20 1992-07-14 Reynolds Metals Company Refractory hard metal shapes for aluminum production
US5810552A (en) * 1992-02-18 1998-09-22 Allison Engine Company, Inc. Single-cast, high-temperature, thin wall structures having a high thermal conductivity member connecting the walls and methods of making the same
US5295530A (en) * 1992-02-18 1994-03-22 General Motors Corporation Single-cast, high-temperature, thin wall structures and methods of making the same
US5336645A (en) * 1993-09-27 1994-08-09 Corning Incorporated Soluble, cellulated mold and foamable mixture
US5409871A (en) * 1993-11-02 1995-04-25 Pcc Airfoils, Inc. Ceramic material for use in casting reactive metals
DE4424402C1 (de) * 1994-07-11 1996-07-04 Bayer Ag Borsubphosphid-Aluminiumoxid-Verbundmaterialien, Verfahren zu deren Herstellung und deren Verwendung
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
US6494250B1 (en) 2001-05-14 2002-12-17 Howmet Research Corporation Impregnated alumina-based core and method
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
US20160175923A1 (en) * 2012-04-09 2016-06-23 General Electric Company Composite core for casting processes, and processes of making and using the same
JP6366555B2 (ja) * 2015-09-24 2018-08-01 日本特殊陶業株式会社 スパークプラグ
US10364189B2 (en) 2017-05-04 2019-07-30 General Electric Company Methods for forming ceramic cores

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR484314A (fr) * 1916-02-02 1917-09-25 Edward Irwing Braddock Perfectionnements aux pointes ou clous fabriqués avec du fil métallique
GB618248A (en) * 1945-04-10 1949-02-18 Corning Glass Works Cast refractory products
DE1257050B (de) * 1959-06-23 1967-12-21 Harbison Walker Refractories Gebrannter, feuerfester Formkoerper fuer die Auskleidung von metallurgischen Gefaessen, in denen fluessiges Aluminium gehandhabt wird
US3078173A (en) * 1960-11-08 1963-02-19 Harbison Walker Refractories Aluminum melting furnace refractory
US3312558A (en) * 1966-05-17 1967-04-04 Jr Eldon D Miller Calcium hexaluminate articles
GB1185725A (en) * 1967-11-03 1970-03-25 Ass Elect Ind Beta-Alumina Polycrystalline Ceramics
GB1287571A (en) * 1968-08-05 1972-08-31 English Electric Co Ltd Ceramic materials
BE758568A (fr) * 1969-11-10 1971-05-06 Aluminum Co Of America Perfectionnement du procede de production de l'alumine beta
US3643728A (en) * 1970-07-08 1972-02-22 United Aircraft Corp Process of casting nickel base alloys using water-soluble calcia cores
BE791380A (fr) * 1972-01-19 1973-03-01 Buckbee Mears Co Produits ceramiques et compositions ceramiques
JPS5524864B2 (it) * 1972-05-20 1980-07-02
US3901733A (en) * 1974-10-07 1975-08-26 Trw Inc Thin film solid electrolyte structures and process of making same
SE419856B (sv) * 1975-03-20 1981-08-31 Comp Generale Electricite Sett att framstella kroppar av alkali-beta-aluminiumoxid samt anordning for utforande av settet
CA1065580A (en) * 1975-05-02 1979-11-06 Donald Pearlman Methods for producing beta-alumina composites
US4052538A (en) * 1976-04-19 1977-10-04 General Motors Corporation Method of making sodium beta-alumina powder and sintered articles
US4073662A (en) * 1977-03-09 1978-02-14 General Electric Company Method for removing a magnesia doped alumina core material

Also Published As

Publication number Publication date
IT7828255A0 (it) 1978-09-29
US4156614A (en) 1979-05-29
NO783375L (no) 1979-04-09
EP0001434A1 (en) 1979-04-18
JPS5455013A (en) 1979-05-01

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