EP2650062A3 - Composite core for casting processes, and processes of making and using same - Google Patents

Composite core for casting processes, and processes of making and using same Download PDF

Info

Publication number
EP2650062A3
EP2650062A3 EP13162368.8A EP13162368A EP2650062A3 EP 2650062 A3 EP2650062 A3 EP 2650062A3 EP 13162368 A EP13162368 A EP 13162368A EP 2650062 A3 EP2650062 A3 EP 2650062A3
Authority
EP
European Patent Office
Prior art keywords
processes
casting process
interior layer
making
same
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.)
Withdrawn
Application number
EP13162368.8A
Other languages
German (de)
French (fr)
Other versions
EP2650062A2 (en
Inventor
Shan Liu
Kenneth Burrell Potter
Ganjiang Feng
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP2650062A2 publication Critical patent/EP2650062A2/en
Publication of EP2650062A3 publication Critical patent/EP2650062A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art

Abstract

A composite ceramic core (12) that, in combination with a shell mold (22), is suitable for use in a casting process to produce metal alloy components. The core (12) and casting process make use of a highly leachable interior layer (14) in combination with an exterior layer (16) that is less reactive than the interior layer (14) in the presence of common alloying elements. The interior layer (14) contains at least one hollow channel that allows a point of entry for a leaching solution, as well as exit for gaseous byproducts generated during the casting process.
EP13162368.8A 2012-04-09 2013-04-04 Composite core for casting processes, and processes of making and using same Withdrawn EP2650062A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/442,130 US20160175923A1 (en) 2012-04-09 2012-04-09 Composite core for casting processes, and processes of making and using the same

Publications (2)

Publication Number Publication Date
EP2650062A2 EP2650062A2 (en) 2013-10-16
EP2650062A3 true EP2650062A3 (en) 2017-10-11

Family

ID=48044679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13162368.8A Withdrawn EP2650062A3 (en) 2012-04-09 2013-04-04 Composite core for casting processes, and processes of making and using same

Country Status (4)

Country Link
US (1) US20160175923A1 (en)
EP (1) EP2650062A3 (en)
JP (1) JP2013215805A (en)
RU (1) RU2013115842A (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150183026A1 (en) * 2013-12-27 2015-07-02 United Technologies Corporation Investment mold having metallic donor element
CA2885074A1 (en) * 2014-04-24 2015-10-24 Howmet Corporation Ceramic casting core made by additive manufacturing
US9987677B2 (en) 2015-12-17 2018-06-05 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US10046389B2 (en) 2015-12-17 2018-08-14 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US10137499B2 (en) 2015-12-17 2018-11-27 General Electric Company Method and assembly for forming components having an internal passage defined therein
US10099284B2 (en) 2015-12-17 2018-10-16 General Electric Company Method and assembly for forming components having a catalyzed internal passage defined therein
US9579714B1 (en) 2015-12-17 2017-02-28 General Electric Company Method and assembly for forming components having internal passages using a lattice structure
US10099283B2 (en) 2015-12-17 2018-10-16 General Electric Company Method and assembly for forming components having an internal passage defined therein
US10118217B2 (en) * 2015-12-17 2018-11-06 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US10150158B2 (en) 2015-12-17 2018-12-11 General Electric Company Method and assembly for forming components having internal passages using a jacketed core
US10099276B2 (en) 2015-12-17 2018-10-16 General Electric Company Method and assembly for forming components having an internal passage defined therein
US9968991B2 (en) 2015-12-17 2018-05-15 General Electric Company Method and assembly for forming components having internal passages using a lattice structure
US10335853B2 (en) 2016-04-27 2019-07-02 General Electric Company Method and assembly for forming components using a jacketed core
US10286450B2 (en) 2016-04-27 2019-05-14 General Electric Company Method and assembly for forming components using a jacketed core
US10279388B2 (en) * 2016-08-03 2019-05-07 General Electric Company Methods for forming components using a jacketed mold pattern
US10451356B2 (en) * 2016-12-08 2019-10-22 Microsoft Technology Licensing, Llc Lost wax cast vapor chamber device
US11338359B2 (en) 2017-02-10 2022-05-24 Aludyne North America Llc Composite part with external part cast around internal insert and method for producing the same
US10364189B2 (en) 2017-05-04 2019-07-30 General Electric Company Methods for forming ceramic cores
US10695826B2 (en) * 2017-07-17 2020-06-30 Raytheon Technologies Corporation Apparatus and method for investment casting core manufacture
US10710154B2 (en) * 2018-03-09 2020-07-14 Raytheon Technologies Corporation Casting core removal through thermal cycling
CA3051216A1 (en) * 2018-08-06 2020-02-06 Building Materials Investment Corporation Roofing shingle system and shingles for use therein
US11813665B2 (en) * 2020-09-14 2023-11-14 General Electric Company Methods for casting a component having a readily removable casting core
WO2022182766A1 (en) * 2021-02-23 2022-09-01 Indium Corporation Thermally decomposing build plate with casting mold for facile release of 3d printed objects
CN113020544A (en) * 2021-03-08 2021-06-25 洛阳航辉新材料有限公司 Preparation method of ceramic core for titanium alloy cast characters
CN114505450B (en) * 2022-02-24 2023-04-18 安徽应流航源动力科技有限公司 Composite ceramic rod for casting and molding top cover hole of hollow single crystal blade, manufacturing method and application
US20230311199A1 (en) * 2022-04-05 2023-10-05 General Electric Company Casting mold

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824113A (en) * 1972-05-08 1974-07-16 Sherwood Refractories Method of coating preformed ceramic cores
EP0001434A1 (en) * 1977-10-06 1979-04-18 General Electric Company Alumina-based ceramics for core materials
JPS55114457A (en) * 1979-02-27 1980-09-03 Hitachi Ltd Core removing method
US5394932A (en) * 1992-01-17 1995-03-07 Howmet Corporation Multiple part cores for investment casting
US5394933A (en) * 1992-06-19 1995-03-07 Agency Of Industrial Science & Technology Core for casting titanium and titanium alloy
WO2001012361A2 (en) * 1999-06-24 2001-02-22 Howmet Research Corporation Ceramic core and method of making
WO2012003439A1 (en) * 2010-07-02 2012-01-05 Mikro Systems, Inc. Self supporting core-in-a-core for casting

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3314907B2 (en) * 1996-02-23 2002-08-19 新東工業株式会社 Manufacturing method of completed core and partial core
JPS4711696Y1 (en) * 1968-09-16 1972-05-01
JPS4829689B1 (en) * 1969-09-19 1973-09-12
JPS50145320A (en) * 1974-07-03 1975-11-21
US4130264A (en) * 1977-10-26 1978-12-19 Geyer & Co. Expandable core for injection molding
US4221748A (en) * 1979-01-25 1980-09-09 General Electric Company Method for making porous, crushable core having a porous integral outer barrier layer having a density gradient therein
JP3541168B2 (en) * 2000-08-11 2004-07-07 トヨタ自動車株式会社 Core with coating layer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824113A (en) * 1972-05-08 1974-07-16 Sherwood Refractories Method of coating preformed ceramic cores
EP0001434A1 (en) * 1977-10-06 1979-04-18 General Electric Company Alumina-based ceramics for core materials
JPS55114457A (en) * 1979-02-27 1980-09-03 Hitachi Ltd Core removing method
US5394932A (en) * 1992-01-17 1995-03-07 Howmet Corporation Multiple part cores for investment casting
US5394933A (en) * 1992-06-19 1995-03-07 Agency Of Industrial Science & Technology Core for casting titanium and titanium alloy
WO2001012361A2 (en) * 1999-06-24 2001-02-22 Howmet Research Corporation Ceramic core and method of making
WO2012003439A1 (en) * 2010-07-02 2012-01-05 Mikro Systems, Inc. Self supporting core-in-a-core for casting

Also Published As

Publication number Publication date
EP2650062A2 (en) 2013-10-16
JP2013215805A (en) 2013-10-24
US20160175923A1 (en) 2016-06-23
RU2013115842A (en) 2014-10-20

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