WO2003064716A3 - Filters for filtering molten metals and alloys - Google Patents

Filters for filtering molten metals and alloys Download PDF

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Publication number
WO2003064716A3
WO2003064716A3 PCT/US2003/002327 US0302327W WO03064716A3 WO 2003064716 A3 WO2003064716 A3 WO 2003064716A3 US 0302327 W US0302327 W US 0302327W WO 03064716 A3 WO03064716 A3 WO 03064716A3
Authority
WO
WIPO (PCT)
Prior art keywords
filters
alloys
molten metals
filtering molten
filtering
Prior art date
Application number
PCT/US2003/002327
Other languages
French (fr)
Other versions
WO2003064716A2 (en
Inventor
Njall Stefansson
Mark E Springgate
James R Barrett
David Howard Sturgis
James E Ault
Patrick J Durbin
Douglas Gene Nikolas
Original Assignee
Pcc Structurals Inc
Njall Stefansson
Mark E Springgate
James R Barrett
David Howard Sturgis
James E Ault
Patrick J Durbin
Douglas Gene Nikolas
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 Pcc Structurals Inc, Njall Stefansson, Mark E Springgate, James R Barrett, David Howard Sturgis, James E Ault, Patrick J Durbin, Douglas Gene Nikolas filed Critical Pcc Structurals Inc
Priority to AU2003212839A priority Critical patent/AU2003212839A1/en
Publication of WO2003064716A2 publication Critical patent/WO2003064716A2/en
Publication of WO2003064716A3 publication Critical patent/WO2003064716A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
    • C22B9/023—By filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/086—Filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
    • B22D43/001—Retaining slag during pouring molten metal
    • B22D43/004—Retaining slag during pouring molten metal by using filtering means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

Filters (18) for filtering molten metals and alloys and method to remove contaminants. Filters (18) may include preferred imaging agents such as tungsten and gandolium, useful for N-ray radiography, X-ray analysis and neutron activation.
PCT/US2003/002327 2002-01-25 2003-01-27 Filters for filtering molten metals and alloys WO2003064716A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003212839A AU2003212839A1 (en) 2002-01-25 2003-01-27 Filters for filtering molten metals and alloys

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/057,612 US20030150294A1 (en) 2002-01-25 2002-01-25 Filters for filtering molten metals and alloys field
US10/057,612 2002-01-25

Publications (2)

Publication Number Publication Date
WO2003064716A2 WO2003064716A2 (en) 2003-08-07
WO2003064716A3 true WO2003064716A3 (en) 2004-02-12

Family

ID=27658221

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/002327 WO2003064716A2 (en) 2002-01-25 2003-01-27 Filters for filtering molten metals and alloys

Country Status (3)

Country Link
US (1) US20030150294A1 (en)
AU (1) AU2003212839A1 (en)
WO (1) WO2003064716A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030173394A1 (en) * 2002-03-14 2003-09-18 The Boeing Company System and filter for filtering hard alpha inclusions from reactive metal alloys
US20070022841A1 (en) * 2005-07-29 2007-02-01 Lectrotherm, Inc. Direct casting utilizing stack filtration
KR101039725B1 (en) * 2009-03-23 2011-06-09 (주)이노캐스트 Apparatus and method for regenerating scrap of magnesium alloy
US8603266B2 (en) * 2009-11-11 2013-12-10 Byd Company Limited Amorphous alloys having zirconium and methods thereof
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
US9029813B2 (en) * 2011-05-20 2015-05-12 Asml Netherlands B.V. Filter for material supply apparatus of an extreme ultraviolet light source
CN102925687B (en) * 2011-08-12 2014-07-09 成都易态科技有限公司 Use of TiAl intermetallic compound porous material, and zinc sulfate solution purifying technology
RU2015150550A (en) * 2013-06-06 2017-07-17 Порвэйр Плс CERAMIC FOAM FILTERS WITH BN OR Y2O3 COATING APPLICABLE FOR FILTERING ALUMINUM-LITHIUM ALLOYS AND OTHER REACTIVE ALLOYS
DE102013213666A1 (en) * 2013-07-12 2015-01-15 Krones Ag Apparatus and method for cleaning a cleaning liquor in a cleaning system
EP3694885A1 (en) 2017-10-14 2020-08-19 CytomX Therapeutics, Inc. Antibodies, activatable antibodies, bispecific antibodies, and bispecific activatable antibodies and methods of use thereof
CN114289707A (en) * 2021-12-16 2022-04-08 江苏隆达超合金航材有限公司 Vacuum induction melting process for improving purity of high-temperature alloy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833386A (en) * 1972-07-07 1974-09-03 Grace W R & Co Method of prepairing porous ceramic structures by firing a polyurethane foam that is impregnated with inorganic material
US5580837A (en) * 1993-11-02 1996-12-03 Pcc Airfoils, Inc. Ceramic material for use in casting reactive metals
US6102099A (en) * 1997-12-15 2000-08-15 Pcc Structurals, Inc. Method for imaging inclusions in investment castings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833386A (en) * 1972-07-07 1974-09-03 Grace W R & Co Method of prepairing porous ceramic structures by firing a polyurethane foam that is impregnated with inorganic material
US5580837A (en) * 1993-11-02 1996-12-03 Pcc Airfoils, Inc. Ceramic material for use in casting reactive metals
US6102099A (en) * 1997-12-15 2000-08-15 Pcc Structurals, Inc. Method for imaging inclusions in investment castings

Also Published As

Publication number Publication date
WO2003064716A2 (en) 2003-08-07
US20030150294A1 (en) 2003-08-14
AU2003212839A1 (en) 2003-09-02

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