BE890608A - Procede d'enlevement de matieres refractaires de pieces - Google Patents

Procede d'enlevement de matieres refractaires de pieces

Info

Publication number
BE890608A
BE890608A BE0/206153A BE206153A BE890608A BE 890608 A BE890608 A BE 890608A BE 0/206153 A BE0/206153 A BE 0/206153A BE 206153 A BE206153 A BE 206153A BE 890608 A BE890608 A BE 890608A
Authority
BE
Belgium
Prior art keywords
parts
refractory materials
removing refractory
materials
refractory
Prior art date
Application number
BE0/206153A
Other languages
English (en)
Inventor
D Mills
A D Kington
Original Assignee
Rolls Royce
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 filed Critical Rolls Royce
Publication of BE890608A publication Critical patent/BE890608A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/001—Removing cores
    • B22D29/002—Removing cores by leaching, washing or dissolving
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
  • Catalysts (AREA)
  • Mold Materials And Core Materials (AREA)
BE0/206153A 1980-10-04 1981-10-02 Procede d'enlevement de matieres refractaires de pieces BE890608A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8032060A GB2084895A (en) 1980-10-04 1980-10-04 Dissolving refractory materials in particular cores from castings

Publications (1)

Publication Number Publication Date
BE890608A true BE890608A (fr) 1982-02-01

Family

ID=10516482

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/206153A BE890608A (fr) 1980-10-04 1981-10-02 Procede d'enlevement de matieres refractaires de pieces

Country Status (11)

Country Link
US (1) US4552198A (fr)
EP (1) EP0061479B1 (fr)
JP (1) JPS57501471A (fr)
AU (1) AU543972B2 (fr)
BE (1) BE890608A (fr)
CA (1) CA1174949A (fr)
DK (1) DK249182A (fr)
GB (1) GB2084895A (fr)
IL (1) IL63978A (fr)
IT (1) IT1139188B (fr)
WO (1) WO1982001144A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126931B (en) * 1982-09-04 1986-04-23 Rolls Royce Dissolving ceramic materials
GB2126569B (en) * 1982-09-04 1986-01-15 Rolls Royce Non-silica based ceramic cores for castings
US5295530A (en) 1992-02-18 1994-03-22 General Motors Corporation Single-cast, high-temperature, thin wall structures and methods of making the same
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
GB2266677B (en) * 1992-05-08 1995-02-01 Rolls Royce Plc Improvements in or relating to the leaching of ceramic materials
US6132520A (en) * 1998-07-30 2000-10-17 Howmet Research Corporation Removal of thermal barrier coatings
GB2349393A (en) * 1999-04-23 2000-11-01 Rover Group Removal of ceramic pattern from spray cast metal objects
EP1497059B1 (fr) * 2002-04-11 2008-07-23 Rolls-Royce Corporation Procede et appareil permettant d'oter du materiau ceramique de composes moules
US8409493B2 (en) * 2009-08-06 2013-04-02 Rolls-Royce Corporation Systems and methods for leaching a material from an object
US8828214B2 (en) 2010-12-30 2014-09-09 Rolls-Royce Corporation System, method, and apparatus for leaching cast components
GB201903484D0 (en) 2019-03-14 2019-05-01 Rolls Royce Plc A method of removing a ceramic coating from a ceramic coated metallic article

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3018170A (en) * 1959-07-13 1962-01-23 Soloducha Nicolas Pressure leaching apparatus
US3044087A (en) * 1959-11-17 1962-07-17 Powers Alex Apparatus for eliminating ceramic cores
US3563711A (en) * 1968-07-18 1971-02-16 Trw Inc Process for removal of siliceous cores from castings
SU370281A1 (ru) * 1970-07-06 1973-02-15 СПОСОБ ОЧИСТКИ отливок
US3824113A (en) * 1972-05-08 1974-07-16 Sherwood Refractories Method of coating preformed ceramic cores
US4043377A (en) * 1976-08-20 1977-08-23 The United States Of America As Represented By The Secretary Of The Air Force Method for casting metal alloys
JPS53100926A (en) * 1977-02-16 1978-09-02 Riken Piston Ring Ind Co Ltd Sand removing method of casted article
US4162173A (en) * 1977-03-09 1979-07-24 General Electric Company Molten salt leach for removal of inorganic cores from directionally solidified eutectic alloy structures
US4102689A (en) * 1977-03-09 1978-07-25 General Electric Company Magnesia doped alumina core material
US4134777A (en) * 1977-10-06 1979-01-16 General Electric Company Method for rapid removal of cores made of Y2 O3 from directionally solidified eutectic and superalloy materials
US4141781A (en) * 1977-10-06 1979-02-27 General Electric Company Method for rapid removal of cores made of βAl2 O3 from directionally solidified eutectic and superalloy and superalloy materials
US4184885A (en) * 1979-01-25 1980-01-22 General Electric Company Alumina core having a high degree of porosity and crushability characteristics
JPS5827984A (ja) * 1981-08-10 1983-02-18 Kurisutaru Eng Kk アルミニウム及びその合金のアルカリエツチング液の再生方法

Also Published As

Publication number Publication date
IL63978A0 (en) 1982-01-31
IT8124282A0 (it) 1981-10-02
EP0061479A1 (fr) 1982-10-06
IT1139188B (it) 1986-09-24
IL63978A (en) 1984-03-30
US4552198A (en) 1985-11-12
GB2084895A (en) 1982-04-21
EP0061479B1 (fr) 1986-09-10
WO1982001144A1 (fr) 1982-04-15
CA1174949A (fr) 1984-09-25
DK249182A (da) 1982-06-03
JPS57501471A (fr) 1982-08-19
AU543972B2 (en) 1985-05-09
AU7641681A (en) 1982-05-11

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ROLLS-ROYCE P.L.C.

Effective date: 19941031