DE68904804D1 - Verfahren zum entfernen von oxiden aus metallischem pulver. - Google Patents

Verfahren zum entfernen von oxiden aus metallischem pulver.

Info

Publication number
DE68904804D1
DE68904804D1 DE8989303674T DE68904804T DE68904804D1 DE 68904804 D1 DE68904804 D1 DE 68904804D1 DE 8989303674 T DE8989303674 T DE 8989303674T DE 68904804 T DE68904804 T DE 68904804T DE 68904804 D1 DE68904804 D1 DE 68904804D1
Authority
DE
Germany
Prior art keywords
metal powder
removing oxides
oxides
powder
metal
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 - Lifetime
Application number
DE8989303674T
Other languages
English (en)
Other versions
DE68904804T2 (de
Inventor
Erich Muehlberger
Albert Sickinger
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.)
Oerlikon Metco AG
Original Assignee
Electro Plasma Inc
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 Electro Plasma Inc filed Critical Electro Plasma Inc
Publication of DE68904804D1 publication Critical patent/DE68904804D1/de
Application granted granted Critical
Publication of DE68904804T2 publication Critical patent/DE68904804T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
DE8989303674T 1988-04-13 1989-04-13 Verfahren zum entfernen von oxiden aus metallischem pulver. Expired - Lifetime DE68904804T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/181,400 US4877640A (en) 1988-04-13 1988-04-13 Method of oxide removal from metallic powder

Publications (2)

Publication Number Publication Date
DE68904804D1 true DE68904804D1 (de) 1993-03-25
DE68904804T2 DE68904804T2 (de) 1993-05-27

Family

ID=22664120

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989303674T Expired - Lifetime DE68904804T2 (de) 1988-04-13 1989-04-13 Verfahren zum entfernen von oxiden aus metallischem pulver.

Country Status (5)

Country Link
US (1) US4877640A (de)
EP (1) EP0341835B1 (de)
JP (1) JPH0660321B2 (de)
CA (1) CA1337486C (de)
DE (1) DE68904804T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5176938A (en) * 1988-11-23 1993-01-05 Plasmacarb Inc. Process for surface treatment of pulverulent material
US5254237A (en) * 1991-03-01 1993-10-19 Snaper Alvin A Plasma arc apparatus for producing diamond semiconductor devices
US5284503A (en) * 1992-11-10 1994-02-08 Exide Corporation Process for remediation of lead-contaminated soil and waste battery
US5439498A (en) * 1992-11-10 1995-08-08 Exide Corporation Process and system for the on-site remediation of lead-contaminated soil and waste battery casings
AU7075696A (en) * 1995-09-19 1997-04-09 Exide Corporation Process for the destruction of chemical agents and munitions
US5681486A (en) * 1996-02-23 1997-10-28 The Boeing Company Plasma descaling of titanium and titanium alloys
US5942023A (en) * 1997-02-12 1999-08-24 Exide Corporation Process for recovering metals from electric arc furnace (EAF) dust
US6043451A (en) * 1997-11-06 2000-03-28 Promet Technologies, Inc. Plasma spraying of nickel-titanium compound
US6915964B2 (en) * 2001-04-24 2005-07-12 Innovative Technology, Inc. System and process for solid-state deposition and consolidation of high velocity powder particles using thermal plastic deformation
US7691177B2 (en) * 2006-10-30 2010-04-06 Niotan, Inc. Method and an apparatus of plasma processing of tantalum particles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB740368A (en) * 1951-11-22 1955-11-09 Martin Von Schulthess A method for the spraying of metals
SE320250B (de) * 1965-09-01 1970-02-02 Libbey Owens Ford Glass Co
US3429691A (en) * 1966-08-19 1969-02-25 Aerojet General Co Plasma reduction of titanium dioxide
US3839618A (en) * 1972-01-03 1974-10-01 Geotel Inc Method and apparatus for effecting high-energy dynamic coating of substrates
US3989511A (en) * 1975-03-10 1976-11-02 Westinghouse Electric Corporation Metal powder production by direct reduction in an arc heater
US4328257A (en) * 1979-11-26 1982-05-04 Electro-Plasma, Inc. System and method for plasma coating
US4642440A (en) * 1984-11-13 1987-02-10 Schnackel Jay F Semi-transferred arc in a liquid stabilized plasma generator and method for utilizing the same
DE3538390A1 (de) * 1985-10-29 1987-04-30 Deutsche Forsch Luft Raumfahrt Beschichtung fuer ein substrat und verfahren zu dessen herstellung
US4784159A (en) * 1986-08-19 1988-11-15 Cordis Corporation Process for making an implantable device having plasma sprayed metallic porous surface

Also Published As

Publication number Publication date
EP0341835A1 (de) 1989-11-15
EP0341835B1 (de) 1993-02-10
JPH0250901A (ja) 1990-02-20
JPH0660321B2 (ja) 1994-08-10
US4877640A (en) 1989-10-31
DE68904804T2 (de) 1993-05-27
CA1337486C (en) 1995-10-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SULZER METCO AG, WOHLEN, CH