US3742585A - Method of manufacturing strip from metal powder - Google Patents

Method of manufacturing strip from metal powder Download PDF

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Publication number
US3742585A
US3742585A US00101954A US3742585DA US3742585A US 3742585 A US3742585 A US 3742585A US 00101954 A US00101954 A US 00101954A US 3742585D A US3742585D A US 3742585DA US 3742585 A US3742585 A US 3742585A
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Prior art keywords
metal
foil
strip
molten
metal powder
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US00101954A
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J Wentzell
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Homogeneous Metals Inc
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Homogeneous Metals Inc
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    • 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
    • C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
    • 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
    • C23C4/137—Spraying in vacuum or in an inert atmosphere
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00—Metal working
    • Y10S29/039—Spraying with other step
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49705—Coating or casting
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4981—Utilizing transitory attached element or associated separate material
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49982—Coating
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling

Definitions

  • ABSTRACT A method is provided for forming metal strip from metal powders by spraying the powder as molten metal onto a cooled moving metal foil and thereafter consolidating the foil and sprayed metal by applying pressure.
  • This invention relates to methods of manufacturing strip from metal powder and particularly to a method Norm ally the metals known as superalloys, i.e., alloys of iron, nickel or cobaltwhich will maintain usable me chanical properties at elevated temperatures, are cast into ingots which are then either forged or bloomed into slabs, cut and conditioned, rolled into either bands or plates, conditioned and then finally rolled into strip and cut.
  • superalloys i.e., alloys of iron, nickel or cobalt which will maintain usable me chanical properties at elevated temperatures
  • Sheet and strip of nickel, aluminum and iron have been rolled directly from metal powder by feeding the powder through a mill with its rolls in a horizontal plane.
  • the powder must have a special configuration conducive to providing high green strength.
  • Superalloy powder having high purity is generally made by a dry process which results in spherical powder having poor cold compactability lacking the special configuration necessary to provide green strength.
  • my method feed the metal powder through a plasma gun or similar metallizing gun onto a substrate of aluminum, copper or iron strip or foil, the foil being in intimate contact with a cooling element at the time the hot metal particles are sprayed onto the substrate.
  • the metal spraying operation is carried out in an inert atmosphere such as in an inert gas purged chamber.
  • the sprayed foil is cold rolled to apredetermined reduction and then resprayed if greater thickness is desired.
  • the amount of spray, applied and the amount of cold rolling are dependent upon the particular alloy and the desired thickness.
  • Each subsequent spraying or metallizing after rolling will stress relieve the strip. Since all heat treatment is carried out in an inert atmosphere oxidation is eliminated.
  • the substrate may be removed from the finished strip by preferential etching using for example hydroxide for aluminum foil and nitric acid for copper or iron.
  • FIG. 1 is a schematic section through an apparatus for carrying out the practice-of this invention.
  • FIG. 2 is a section through a strip made from metal powder according to my invention.
  • a sheet of foil 10 being delivered from coil 11 through a chevron seal 12 into the interior of chamber 13 where it passes over a water cooled roll 14.
  • the foil 10 is sprayed with molten superalloy 15 from a plasma gun l6 supplied with powdered superalloy from a hopper 17.
  • the molten superalloy l5 solidifies on the foil 10 to form a layer of superalloy which is passed between pressure rolls 18 to cold roll the newly formed superalloy strip 15.
  • strip 15 If a greater thickness of strip 15 is desired than can be applied with one pass in front of plasma gun 16, then the coating operation is simply repeated as many times as is necessary. The spraying of molten superalloy onto the strip 15 will stress relieve the previously formed layer 15 without danger of oxidation.
  • the composite strip is passed through an appropriate etch solution to dissolve it away from the superalloy strip 15 after cold rolling.
  • a method of forming strip from metal powders comprising the steps of a. converting a metal powder to a molten metal spray,
  • metal foil is a member selected from the group aluminum, nickel, copper and iron.

Abstract

A method is provided for forming metal strip from metal powders by spraying the powder as molten metal onto a cooled moving metal foil and thereafter consolidating the foil and sprayed metal by applying pressure.

Description

United States Patent [191 Wentze11 [451 July 3,1973
[ METHOD OF MANUFACTURING STRIP FROM METAL POWDER [75] Inventor: Joseph M. Wentzell, Remsen, NY.
[73] Assignee: Homogeneous Metals, lnc.,
Herkimer, NY.
[22] Filed: Dec. 28, 1970 [21] Appl. No; 101,954
1 52 vs. Cl. 29/423,,29/149.5 s, 29/5272,
[51] Int. Cl 823p 17/00 [58] Field of Search 29/527.2, 527.7, 29/D1G. 39, 149.5 S, 423; 164/46; 117/105, 105.3
[56] References Cited UNITED STATES PATENTS 3,221,392 l2/1965 Gould 29/14955 Primary Examiner-Char1es W. Lanham Assistant ExaminerD. C. Reiley, lll Att0rneyBue1l, Blenko & Ziesenheim [5 7] ABSTRACT A method is provided for forming metal strip from metal powders by spraying the powder as molten metal onto a cooled moving metal foil and thereafter consolidating the foil and sprayed metal by applying pressure.
8 Claims, 2 Drawing Figures METHOD OF MANUFACTURING STRIP FROM METAL POWDER This invention relates to methods of manufacturing strip from metal powder and particularly to a method Norm ally the metals known as superalloys, i.e., alloys of iron, nickel or cobaltwhich will maintain usable me chanical properties at elevated temperatures, are cast into ingots which are then either forged or bloomed into slabs, cut and conditioned, rolled into either bands or plates, conditioned and then finally rolled into strip and cut. There are several heat treatments necessary throughout the process and a final heat treatment dependent on the customers requirements. All of this costs time and money. Perhaps more important is the fact that this large amount of hot working tends to deplete boron from superalloys through oxidation. Boron is essential to stress rupture life at elevated temperature.
Sheet and strip of nickel, aluminum and iron have been rolled directly from metal powder by feeding the powder through a mill with its rolls in a horizontal plane. When rolling strip in this fashion it is necessary that the green strength of the strip be sufficient to allow subsequent processing. This means that the powder must have a special configuration conducive to providing high green strength. Superalloy powder having high purity is generally made by a dry process which results in spherical powder having poor cold compactability lacking the special configuration necessary to provide green strength.
I have invented a method of making metal strip from metal powder which makes it possible to form strip from powder without regard to its shape. In my method I feed the metal powder through a plasma gun or similar metallizing gun onto a substrate of aluminum, copper or iron strip or foil, the foil being in intimate contact with a cooling element at the time the hot metal particles are sprayed onto the substrate. The metal spraying operation is carried out in an inert atmosphere such as in an inert gas purged chamber. Preferably the sprayed foil is cold rolled to apredetermined reduction and then resprayed if greater thickness is desired. The amount of spray, applied and the amount of cold rolling are dependent upon the particular alloy and the desired thickness. Each subsequent spraying or metallizing after rolling will stress relieve the strip. Since all heat treatment is carried out in an inert atmosphere oxidation is eliminated. The substrate may be removed from the finished strip by preferential etching using for example hydroxide for aluminum foil and nitric acid for copper or iron.
In the foregoing general description of my invention I have set out certainobjects, purposes and advantages of my invention. Other objects, purposes and advantages will be apparent from a consideration of the fol-. lowing description and the accompanying drawings in which:
FIG. 1 is a schematic section through an apparatus for carrying out the practice-of this invention, and
FIG. 2 is a section through a strip made from metal powder according to my invention.
Referring to the drawings I have illustrated a sheet of foil 10 being delivered from coil 11 through a chevron seal 12 into the interior of chamber 13 where it passes over a water cooled roll 14. The foil 10 is sprayed with molten superalloy 15 from a plasma gun l6 supplied with powdered superalloy from a hopper 17. The molten superalloy l5 solidifies on the foil 10 to form a layer of superalloy which is passed between pressure rolls 18 to cold roll the newly formed superalloy strip 15.
If a greater thickness of strip 15 is desired than can be applied with one pass in front of plasma gun 16, then the coating operation is simply repeated as many times as is necessary. The spraying of molten superalloy onto the strip 15 will stress relieve the previously formed layer 15 without danger of oxidation.
If the substrate 10 is to be removed the composite strip is passed through an appropriate etch solution to dissolve it away from the superalloy strip 15 after cold rolling.
In the foregoing specification I have set out certain preferred practices and embodiments of my invention, however, it will be understood that this invention may be otherwise embodied.
I claim:
l. A method of forming strip from metal powders comprising the steps of a. converting a metal powder to a molten metal spray,
b. applying the-molten metal spray in an inert atmosphere to a moving metal foil in a substantially uni form layer to form a major component of the combined thickness,
c. cooling the metal foil and molten spray applied thereto to solidify said molten spray while in said inert atmosphere, and
d. consolidating said foil and sprayed metal by' applying pressure thereto.
2. A method as claimed in claim 1 wherein the foil is cooled simultaneously with the application of the molten spray thereto.
3. A method as claimed in claim 1 wherein the foil is coated with metal spray while changing direction of the foil.
4. A method as claimed in claim 1 wherein the metal foil is a member selected from the group aluminum, nickel, copper and iron.
5. A method as claimed in claim 1 wherein the metal is consolidated by pressure rolling.
6. A method claimed in claim 1 wherein the metal powder is passed through a plasma gun to form a molten spray of metal.
7. A method as claimed'in claim '1 wherein the foil is removed by etching after consolidation of the metal.
8. A method as claimed in claim 1 wherein the foil is passed over a water cooled roll in an inert atmosphere and the molten metal sprayed onto the foil while the cooled roll.
foil is on the water

Claims (7)

  1. 2. A method as claimed in claim 1 wherein the foil is cooled simultaneously with the application of the molten spray thereto.
  2. 3. A method as claimed in claim 1 wherein the foil is coated with metal spray while changing direction of the foil.
  3. 4. A method as claimed in claim 1 wherein the metal foil is a member selected from the group aluminum, nickel, copper and iron.
  4. 5. A method as claimed in claim 1 wherein the metal is consolidated by pressure rolling.
  5. 6. A method claimed in claim 1 wherein the metal powder is passed through a plasma gun to form a molten spray of metal.
  6. 7. A method as claimed in claim 1 wherein the foil is removed by etching after consolidation of the metal.
  7. 8. A method as claimed in claim 1 wherein the foil is passed over a water cooled roll in an inert atmosphere and the molten metal sprayed onto the foil while the foil is on the water cooled roll.
US00101954A 1970-12-28 1970-12-28 Method of manufacturing strip from metal powder Expired - Lifetime US3742585A (en)

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FR (1) FR2120899A5 (en)
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IT (1) IT945535B (en)

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3826301A (en) * 1971-10-26 1974-07-30 R Brooks Method and apparatus for manufacturing precision articles from molten articles
US3833983A (en) * 1972-06-21 1974-09-10 Alcan Res & Dev Method of making aluminium bearing alloy strip
US3899820A (en) * 1972-06-30 1975-08-19 Alcan Res & Dev Method of producing a dispersion-strengthened aluminum alloy article
US3909921A (en) * 1971-10-26 1975-10-07 Osprey Metals Ltd Method and apparatus for making shaped articles from sprayed molten metal or metal alloy
US4066117A (en) * 1975-10-28 1978-01-03 The International Nickel Company, Inc. Spray casting of gas atomized molten metal to produce high density ingots
US4076640A (en) * 1975-02-24 1978-02-28 Xerox Corporation Preparation of spheroidized particles
US4254164A (en) * 1979-07-06 1981-03-03 Nassau Recycle Corporation Method of depositing copper on copper
US4323419A (en) * 1980-05-08 1982-04-06 Atlantic Richfield Company Method for ribbon solar cell fabrication
US4418124A (en) * 1980-10-06 1983-11-29 General Electric Company Plasma spray-cast components
US4481237A (en) * 1981-12-14 1984-11-06 United Technologies Corporation Method of applying ceramic coatings on a metallic substrate
US4592781A (en) * 1983-01-24 1986-06-03 Gte Products Corporation Method for making ultrafine metal powder
US4625400A (en) * 1983-07-06 1986-12-02 Olin Corporation Method of making a strip for an electrical contact terminal
AT384035B (en) * 1982-10-13 1987-09-25 Inventing Ab METHOD AND DEVICE FOR APPLYING A WEAR-RESISTANT COATING TO A THIN, METAL, TAPE-SHAPED CARRIER MATERIAL, IN PARTICULAR FOR THE PRODUCTION OF SCRAPERS, Squeegees, AND THE LIKE.
US4723589A (en) * 1986-05-19 1988-02-09 Westinghouse Electric Corp. Method for making vacuum interrupter contacts by spray deposition
US4901784A (en) * 1989-03-29 1990-02-20 Olin Corporation Gas atomizer for spray casting
US4907639A (en) * 1989-03-13 1990-03-13 Olin Corporation Asymmetrical gas-atomizing device and method for reducing deposite bottom surface porosity
WO1990003236A1 (en) * 1988-09-20 1990-04-05 Olin Corporation Substrate for use in spray-deposited strip production
US4917170A (en) * 1988-09-20 1990-04-17 Olin Corporation Non-preheated low thermal conductivity substrate for use in spray-deposited strip production
US4925103A (en) * 1989-03-13 1990-05-15 Olin Corporation Magnetic field-generating nozzle for atomizing a molten metal stream into a particle spray
US4926927A (en) * 1988-09-20 1990-05-22 Olin Corporation Vertical substrate orientation for gas-atomizing spray-deposition apparatus
US4938278A (en) * 1988-09-20 1990-07-03 Olin Corporation Substrate for use in spray-deposited strip
US4945973A (en) * 1988-11-14 1990-08-07 Olin Corporation Thermal conductivity of substrate material correlated with atomizing gas-produced steady state temperature
US4966224A (en) * 1988-09-20 1990-10-30 Olin Corporation Substrate orientation in a gas-atomizing spray-depositing apparatus
US4977950A (en) * 1989-03-13 1990-12-18 Olin Corporation Ejection nozzle for imposing high angular momentum on molten metal stream for producing particle spray
US5240061A (en) * 1990-12-28 1993-08-31 Osprey Metals Limited Substrate for spray cast strip
US5358735A (en) * 1991-03-28 1994-10-25 Ngk Insulators, Ltd. Method for manufacturing solid oxide film and method for manufacturing solid oxide fuel cell using the solid oxide film
US5553371A (en) * 1994-05-25 1996-09-10 Aisin Seiki Kabushiki Kaisha Method of manufacturing friction plates
US5669436A (en) * 1991-03-18 1997-09-23 Aluminum Company Of America Method of continuously casting composite strip
US5881645A (en) * 1992-09-10 1999-03-16 Lenney; John Richard Method of thermally spraying a lithographic substrate with a particulate material
US5942289A (en) * 1997-03-26 1999-08-24 Amorphous Technologies International Hardfacing a surface utilizing a method and apparatus having a chill block
US20040130069A1 (en) * 2003-01-02 2004-07-08 Ray Crane Crosslinking agent application method and system
US20060124209A1 (en) * 2002-12-20 2006-06-15 Jan Schroers Pt-base bulk solidifying amorphous alloys
US20060157164A1 (en) * 2002-12-20 2006-07-20 William Johnson Bulk solidifying amorphous alloys with improved mechanical properties
US20110186183A1 (en) * 2002-12-20 2011-08-04 William Johnson Bulk solidifying amorphous alloys with improved mechanical properties
US20180355462A1 (en) * 2012-11-15 2018-12-13 Afl Telecommunications Llc Methods for applying aluminum coating layer to a core of copper wire
US11371108B2 (en) 2019-02-14 2022-06-28 Glassimetal Technology, Inc. Tough iron-based glasses with high glass forming ability and high thermal stability

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EP0360482B1 (en) * 1988-09-14 1993-08-04 Hitachi Chemical Co., Ltd. Process for producing metal foil coated with flame sprayed ceramic
WO1996006200A1 (en) * 1994-08-18 1996-02-29 Horsell Graphic Industries Limited Improvements in and relating to the manufacture of printing plates
KR19980703106A (en) * 1995-03-17 1998-10-15 악커만 요아힘, 쿤켈 디트마르 Thermal deposition method and related apparatus for depositing thin ceramic layer

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US2129702A (en) * 1934-05-05 1938-09-13 Joseph M Merie Process for making metal products
US2289311A (en) * 1940-03-06 1942-07-07 Sk Wellman Co Composite blank and method of shaping
US2490543A (en) * 1945-06-27 1949-12-06 Gen Motors Corp Method of making composite stock
US2639490A (en) * 1948-08-12 1953-05-26 Joseph B Brennan Formation of metal strip under controlled pressures
US2864137A (en) * 1952-10-25 1958-12-16 Helen E Brennan Apparatus and method for producing metal strip
US3025182A (en) * 1957-03-05 1962-03-13 Kanthal Ab Formation of corrosion-resistant metallic coatings by so-called flame-spraying techniques
US3221392A (en) * 1960-09-28 1965-12-07 Federal Mogul Bower Bearings Method of making bearings
US3310870A (en) * 1967-03-28 Process for producing nickel-coated steel
US3378392A (en) * 1963-07-24 1968-04-16 Metco Inc High temperature flame spray powder and process
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US3310870A (en) * 1967-03-28 Process for producing nickel-coated steel
US2129702A (en) * 1934-05-05 1938-09-13 Joseph M Merie Process for making metal products
US2289311A (en) * 1940-03-06 1942-07-07 Sk Wellman Co Composite blank and method of shaping
US2490543A (en) * 1945-06-27 1949-12-06 Gen Motors Corp Method of making composite stock
US2639490A (en) * 1948-08-12 1953-05-26 Joseph B Brennan Formation of metal strip under controlled pressures
US2864137A (en) * 1952-10-25 1958-12-16 Helen E Brennan Apparatus and method for producing metal strip
US3025182A (en) * 1957-03-05 1962-03-13 Kanthal Ab Formation of corrosion-resistant metallic coatings by so-called flame-spraying techniques
US3221392A (en) * 1960-09-28 1965-12-07 Federal Mogul Bower Bearings Method of making bearings
US3378392A (en) * 1963-07-24 1968-04-16 Metco Inc High temperature flame spray powder and process
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Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31767E (en) * 1971-10-26 1984-12-18 Osprey Metals Limited Method and apparatus for making shaped articles from sprayed molten metal or metal alloy
US3909921A (en) * 1971-10-26 1975-10-07 Osprey Metals Ltd Method and apparatus for making shaped articles from sprayed molten metal or metal alloy
US3826301A (en) * 1971-10-26 1974-07-30 R Brooks Method and apparatus for manufacturing precision articles from molten articles
US3833983A (en) * 1972-06-21 1974-09-10 Alcan Res & Dev Method of making aluminium bearing alloy strip
US3899820A (en) * 1972-06-30 1975-08-19 Alcan Res & Dev Method of producing a dispersion-strengthened aluminum alloy article
US4076640A (en) * 1975-02-24 1978-02-28 Xerox Corporation Preparation of spheroidized particles
US4066117A (en) * 1975-10-28 1978-01-03 The International Nickel Company, Inc. Spray casting of gas atomized molten metal to produce high density ingots
US4254164A (en) * 1979-07-06 1981-03-03 Nassau Recycle Corporation Method of depositing copper on copper
US4323419A (en) * 1980-05-08 1982-04-06 Atlantic Richfield Company Method for ribbon solar cell fabrication
US4418124A (en) * 1980-10-06 1983-11-29 General Electric Company Plasma spray-cast components
US4481237A (en) * 1981-12-14 1984-11-06 United Technologies Corporation Method of applying ceramic coatings on a metallic substrate
AT384035B (en) * 1982-10-13 1987-09-25 Inventing Ab METHOD AND DEVICE FOR APPLYING A WEAR-RESISTANT COATING TO A THIN, METAL, TAPE-SHAPED CARRIER MATERIAL, IN PARTICULAR FOR THE PRODUCTION OF SCRAPERS, Squeegees, AND THE LIKE.
US4592781A (en) * 1983-01-24 1986-06-03 Gte Products Corporation Method for making ultrafine metal powder
US4625400A (en) * 1983-07-06 1986-12-02 Olin Corporation Method of making a strip for an electrical contact terminal
US4723589A (en) * 1986-05-19 1988-02-09 Westinghouse Electric Corp. Method for making vacuum interrupter contacts by spray deposition
US4966224A (en) * 1988-09-20 1990-10-30 Olin Corporation Substrate orientation in a gas-atomizing spray-depositing apparatus
US4926927A (en) * 1988-09-20 1990-05-22 Olin Corporation Vertical substrate orientation for gas-atomizing spray-deposition apparatus
WO1990003236A1 (en) * 1988-09-20 1990-04-05 Olin Corporation Substrate for use in spray-deposited strip production
US4917170A (en) * 1988-09-20 1990-04-17 Olin Corporation Non-preheated low thermal conductivity substrate for use in spray-deposited strip production
US4938278A (en) * 1988-09-20 1990-07-03 Olin Corporation Substrate for use in spray-deposited strip
US4945973A (en) * 1988-11-14 1990-08-07 Olin Corporation Thermal conductivity of substrate material correlated with atomizing gas-produced steady state temperature
US4925103A (en) * 1989-03-13 1990-05-15 Olin Corporation Magnetic field-generating nozzle for atomizing a molten metal stream into a particle spray
US4907639A (en) * 1989-03-13 1990-03-13 Olin Corporation Asymmetrical gas-atomizing device and method for reducing deposite bottom surface porosity
US4977950A (en) * 1989-03-13 1990-12-18 Olin Corporation Ejection nozzle for imposing high angular momentum on molten metal stream for producing particle spray
US4901784A (en) * 1989-03-29 1990-02-20 Olin Corporation Gas atomizer for spray casting
US5240061A (en) * 1990-12-28 1993-08-31 Osprey Metals Limited Substrate for spray cast strip
US5669436A (en) * 1991-03-18 1997-09-23 Aluminum Company Of America Method of continuously casting composite strip
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CA944632A (en) 1974-04-02
DE2163190A1 (en) 1972-07-13
GB1357770A (en) 1974-06-26
BE776976A (en) 1972-04-17
IT945535B (en) 1973-05-10
FR2120899A5 (en) 1972-08-18

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