FR2532570B1 - Perfectionnements aux noyaux ceramiques de base non siliceuse pour moulages, et procede de moulage - Google Patents

Perfectionnements aux noyaux ceramiques de base non siliceuse pour moulages, et procede de moulage

Info

Publication number
FR2532570B1
FR2532570B1 FR8314098A FR8314098A FR2532570B1 FR 2532570 B1 FR2532570 B1 FR 2532570B1 FR 8314098 A FR8314098 A FR 8314098A FR 8314098 A FR8314098 A FR 8314098A FR 2532570 B1 FR2532570 B1 FR 2532570B1
Authority
FR
France
Prior art keywords
moldings
molding method
base ceramic
silica base
ceramic cores
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
FR8314098A
Other languages
English (en)
French (fr)
Other versions
FR2532570A1 (fr
Inventor
David Mills
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.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
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 Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of FR2532570A1 publication Critical patent/FR2532570A1/fr
Application granted granted Critical
Publication of FR2532570B1 publication Critical patent/FR2532570B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B22C9/105—Salt cores

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
FR8314098A 1982-09-04 1983-09-02 Perfectionnements aux noyaux ceramiques de base non siliceuse pour moulages, et procede de moulage Expired FR2532570B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08225259A GB2126569B (en) 1982-09-04 1982-09-04 Non-silica based ceramic cores for castings

Publications (2)

Publication Number Publication Date
FR2532570A1 FR2532570A1 (fr) 1984-03-09
FR2532570B1 true FR2532570B1 (fr) 1986-11-21

Family

ID=10532697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8314098A Expired FR2532570B1 (fr) 1982-09-04 1983-09-02 Perfectionnements aux noyaux ceramiques de base non siliceuse pour moulages, et procede de moulage

Country Status (5)

Country Link
US (1) US4572272A (enExample)
JP (1) JPS5964135A (enExample)
DE (1) DE3331177C2 (enExample)
FR (1) FR2532570B1 (enExample)
GB (1) GB2126569B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT388319B (de) * 1987-08-20 1989-06-12 Avl Verbrennungskraft Messtech Giesskern fuer den wassermantel eines zylinderblockes einer mehrzylinder-hubkolben-brennkraftmaschine
US5226470A (en) * 1989-11-17 1993-07-13 The Boeing Company Expendable ceramic mandrel
DE4132477A1 (de) * 1991-09-30 1993-04-01 Seelmann & Co Gmbh H Kern nach dem wachsausschmelzverfahren
GB2349393A (en) * 1999-04-23 2000-11-01 Rover Group Removal of ceramic pattern from spray cast metal objects
US20070151702A1 (en) * 2003-01-07 2007-07-05 Francois Batllo Method of improving the removal of investment casting shells
US20080135721A1 (en) * 2006-12-06 2008-06-12 General Electric Company Casting compositions for manufacturing metal casting and methods of manufacturing thereof
US9227241B2 (en) 2010-12-08 2016-01-05 Nalco Company Investment casting shells having an organic component
CN103286273B (zh) * 2011-12-13 2015-04-29 江苏图南合金股份有限公司 机匣类环形铸件空心支板成型用陶瓷型芯的制备方法
EP2844839A1 (en) 2012-04-23 2015-03-11 General Electric Company Turbine airfoil with local wall thickness control
JP5891110B2 (ja) * 2012-05-31 2016-03-22 三菱日立パワーシステムズ株式会社 ガスタービン翼の冷却通路形成用アルミナ中子の製造方法
GB2553481A (en) 2016-02-05 2018-03-07 Morgan Advanced Ceramics Inc Leachable ceramic materials for use in casting
US12390853B2 (en) 2017-08-08 2025-08-19 Morgan Advanced Ceramics, Inc. Leachable ceramic materials for use in casting

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032425A (en) * 1958-02-06 1962-05-01 Union Carbide Corp Dry investment mold and method
GB1022278A (en) * 1963-05-19 1966-03-09 Abraham Bar Or Improvements in or relating to crucibles
GB1070382A (en) * 1963-06-10 1967-06-01 Doulton & Co Ltd A refractory core and materials therefor
US3563711A (en) * 1968-07-18 1971-02-16 Trw Inc Process for removal of siliceous cores from castings
DE2250568A1 (de) * 1972-10-14 1974-04-18 Porsche Ag Gussform
US3968828A (en) * 1973-11-14 1976-07-13 Ashland Oil, Inc. Method of casting non-ferrous alloys
US4026344A (en) * 1976-06-23 1977-05-31 General Electric Company Method for making investment casting molds for casting of superalloys
US4130157A (en) * 1976-07-19 1978-12-19 Westinghouse Electric Corp. Silicon nitride (SI3 N4) leachable ceramic cores
GB1602027A (en) * 1977-10-06 1981-11-04 Gen Electric Method for removing cores
US4216815A (en) * 1978-07-03 1980-08-12 Feagin Roy C Method of making a ceramic shell mold
GB2042951B (en) * 1978-11-08 1982-08-04 Rolls Royce Investment casting core
DE2931585A1 (de) * 1979-08-03 1981-02-12 Degussa Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung
GB2084895A (en) * 1980-10-04 1982-04-21 Rolls Royce Dissolving refractory materials in particular cores from castings

Also Published As

Publication number Publication date
GB2126569A (en) 1984-03-28
DE3331177C2 (de) 1987-05-14
FR2532570A1 (fr) 1984-03-09
US4572272A (en) 1986-02-25
JPS5964135A (ja) 1984-04-12
JPH0310420B2 (enExample) 1991-02-13
GB2126569B (en) 1986-01-15
DE3331177A1 (de) 1984-03-08

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Legal Events

Date Code Title Description
ST Notification of lapse