DE69823956D1 - Formkern mit Erbiumoxid - Google Patents

Formkern mit Erbiumoxid

Info

Publication number
DE69823956D1
DE69823956D1 DE69823956T DE69823956T DE69823956D1 DE 69823956 D1 DE69823956 D1 DE 69823956D1 DE 69823956 T DE69823956 T DE 69823956T DE 69823956 T DE69823956 T DE 69823956T DE 69823956 D1 DE69823956 D1 DE 69823956D1
Authority
DE
Germany
Prior art keywords
mold core
erbium oxide
erbium
oxide
mold
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 - Fee Related
Application number
DE69823956T
Other languages
English (en)
Other versions
DE69823956T2 (de
Inventor
S Lassow
L Squier
Julie A Faison
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.)
Howmet Corp
Original Assignee
Howmet Research 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 Howmet Research Corp filed Critical Howmet Research Corp
Application granted granted Critical
Publication of DE69823956D1 publication Critical patent/DE69823956D1/de
Publication of DE69823956T2 publication Critical patent/DE69823956T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Mold Materials And Core Materials (AREA)
DE69823956T 1997-10-30 1998-10-15 Formkern mit Erbiumoxid Expired - Fee Related DE69823956T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US960996 1997-10-30
US08/960,996 US5977007A (en) 1997-10-30 1997-10-30 Erbia-bearing core

Publications (2)

Publication Number Publication Date
DE69823956D1 true DE69823956D1 (de) 2004-06-24
DE69823956T2 DE69823956T2 (de) 2005-05-19

Family

ID=25503937

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823956T Expired - Fee Related DE69823956T2 (de) 1997-10-30 1998-10-15 Formkern mit Erbiumoxid

Country Status (4)

Country Link
US (1) US5977007A (de)
EP (1) EP0914883B1 (de)
JP (1) JPH11216538A (de)
DE (1) DE69823956T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6619368B1 (en) 1997-12-15 2003-09-16 Pcc Structurals, Inc. Method for imaging inclusions in investment castings
US6932145B2 (en) 1998-11-20 2005-08-23 Rolls-Royce Corporation Method and apparatus for production of a cast component
US7418993B2 (en) 1998-11-20 2008-09-02 Rolls-Royce Corporation Method and apparatus for production of a cast component
US6808010B2 (en) * 2001-03-13 2004-10-26 Howmet Research Corporation Method for treating ceramic cores
US6494250B1 (en) 2001-05-14 2002-12-17 Howmet Research Corporation Impregnated alumina-based core and method
US6403020B1 (en) 2001-08-07 2002-06-11 Howmet Research Corporation Method for firing ceramic cores
US7069108B2 (en) 2002-12-10 2006-06-27 Jostens, Inc. Automated engraving of a customized jewelry item
US20040159985A1 (en) * 2003-02-18 2004-08-19 Altoonian Mark A. Method for making ceramic setter
US7610945B2 (en) * 2006-09-29 2009-11-03 General Electric Company Rare earth-based core constructions for casting refractory metal composites, and related processes
EP2109800A1 (de) 2007-01-18 2009-10-21 Jostens, Inc. System und verfahren zur erzeugung von anweisungen für individuelle anpassung
WO2008112796A1 (en) 2007-03-12 2008-09-18 Jostens, Inc. Method for embellishment placement
US9174271B2 (en) * 2008-07-02 2015-11-03 United Technologies Corporation Casting system for investment casting process
US8977377B2 (en) 2010-02-25 2015-03-10 Jostens, Inc. Method for digital manufacturing of jewelry items
US8082972B1 (en) 2010-10-05 2011-12-27 Mpi Incorporated System for assembly wax trees using flexible branch
US8888879B1 (en) 2010-10-20 2014-11-18 Us Synthetic Corporation Detection of one or more interstitial constituents in a polycrystalline diamond element by neutron radiographic imaging
US8286689B1 (en) 2011-08-30 2012-10-16 United Technologies Corporation Porous ceramic body and method therfor
US9208265B2 (en) 2011-12-02 2015-12-08 Jostens, Inc. System and method for jewelry design
US9582615B2 (en) 2013-01-16 2017-02-28 Jostens, Inc. Modeling using thin plate spline technology
WO2014130212A1 (en) 2013-02-19 2014-08-28 United Technologies Corporation Investment mold with fugitive beads and method related thereto
CN105188988A (zh) * 2013-03-15 2015-12-23 联合工艺公司 具有角半径以减少再结晶的铸造部件
USD789228S1 (en) 2013-11-25 2017-06-13 Jostens, Inc. Bezel for a ring
CN109014017A (zh) * 2018-10-12 2018-12-18 南昌航空大学 一种基于焚失法的天然植物型金属工艺品的制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537949A (en) * 1966-10-24 1970-11-03 Rem Metals Corp Investment shell molds for the high integrity precision casting of reactive and refractory metals,and methods for their manufacture
US4065544A (en) * 1970-05-11 1977-12-27 Union Carbide Corporation Finely divided metal oxides and sintered objects therefrom
US3994346A (en) * 1972-11-24 1976-11-30 Rem Metals Corporation Investment shell mold, for use in casting of reacting and refractory metals
US4040845A (en) * 1976-03-04 1977-08-09 The Garrett Corporation Ceramic composition and crucibles and molds formed therefrom
US4171562A (en) * 1977-10-07 1979-10-23 Howmet Turbine Components Corporation Method for improving fatigue properties in castings
US4874725A (en) * 1984-04-27 1989-10-17 Nippon Tungsten Co., Ltd. High-density sintered article of silicon carbid
US5145833A (en) * 1986-02-12 1992-09-08 The Dow Chemical Company Method for producing ceramic bodies
US4703806A (en) * 1986-07-11 1987-11-03 Howmet Turbine Components Corporation Ceramic shell mold facecoat and core coating systems for investment casting of reactive metals
US5535811A (en) * 1987-01-28 1996-07-16 Remet Corporation Ceramic shell compositions for casting of reactive metals
US4837187A (en) * 1987-06-04 1989-06-06 Howmet Corporation Alumina-based core containing yttria
US4966225A (en) * 1988-06-13 1990-10-30 Howmet Corporation Ceramic shell mold for investment casting and method of making the same
US5183801A (en) * 1989-04-24 1993-02-02 Gas Research Institute Stabilized bismuth oxide
US5221336A (en) * 1989-11-08 1993-06-22 Pcc Airfoils, Inc. Method of casting a reactive metal against a surface formed from an improved slurry containing yttria
US4947927A (en) * 1989-11-08 1990-08-14 Pcc Airfoils, Inc. Method of casting a reactive metal against a surface formed from an improved slurry containing yttria
JP2951771B2 (ja) * 1991-09-26 1999-09-20 守 大森 希土類酸化物−アルミナ−シリカ焼結体およびその製造方法
US5242007A (en) * 1992-04-10 1993-09-07 United Technologies Corporation X-ray detection of residual ceramic material inside hollow metal articles
US5407001A (en) * 1993-07-08 1995-04-18 Precision Castparts Corporation Yttria-zirconia slurries and mold facecoats for casting reactive metals
US5902763A (en) * 1995-01-19 1999-05-11 Ube Industries, Inc. Fused ceramic composite

Also Published As

Publication number Publication date
EP0914883A1 (de) 1999-05-12
DE69823956T2 (de) 2005-05-19
US5977007A (en) 1999-11-02
EP0914883B1 (de) 2004-05-19
JPH11216538A (ja) 1999-08-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee