[go: up one dir, main page]

WO2005068673A1 - Matieres composites a base de chrome - Google Patents

Matieres composites a base de chrome Download PDF

Info

Publication number
WO2005068673A1
WO2005068673A1 PCT/US2004/016460 US2004016460W WO2005068673A1 WO 2005068673 A1 WO2005068673 A1 WO 2005068673A1 US 2004016460 W US2004016460 W US 2004016460W WO 2005068673 A1 WO2005068673 A1 WO 2005068673A1
Authority
WO
WIPO (PCT)
Prior art keywords
powder
composite
ferrochrome
weight
chrome
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.)
Ceased
Application number
PCT/US2004/016460
Other languages
English (en)
Inventor
Xiangyang Jiang (Nmi)
Brad M. Beardsley
William C. Smith
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.)
Caterpillar Inc
Original Assignee
Caterpillar 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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of WO2005068673A1 publication Critical patent/WO2005068673A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • 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
    • B22F1/17—Metallic particles coated with metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
    • 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
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12181—Composite powder [e.g., coated, etc.]

Definitions

  • This invention relates generally to chrome composite powders and methods for producing the chrome composite powders.
  • These Cr 3 C 2 or Cr 7 C 3 containing powders are typically made by combining pure, high carbon content precursors, which may be high cost materials, with a nickel material.
  • the resulting chromium carbide materials may be used to generate the chrome carbide powders.
  • a disadvantage of this process is that the resulting chrome carbide powders are costly.
  • the high cost of the chrome carbide powders may be due to the use of expensive high carbon content chrome carbide precursor materials, which are generally produced only on small scales for specialty applications.
  • these high cost chrome carbide powders may be used to produce wear and corrosion resistant materials such as, for example, complex chrome composite powders and coatings. While these materials may offer suitable performance, their substantial cost of production may be prohibitive for many applications.
  • the invention is directed to overcoming one or more of the problems or disadvantages existing in the prior art.
  • One aspect of the invention includes a method of making a composite chrome powder.
  • the method includes selecting a ferrochrome material.
  • the ferrochrome material is mixed together with a nickel-based material, and a composite chrome powder is generated from the mixture.
  • a second aspect of the invention includes a chrome composite powder.
  • the composite powder includes a plurality of particles, wherein at least some of the particles include a carbide-metal matrix composite structure, which has a matrix material of at least one of nickel, nickel-chromium, and iron chrome.
  • a plurality of Fe-Cr-carbide particles are dispersed in the matrix material to form the composite structure.
  • a third aspect of the invention includes a composite material.
  • the composite material includes a nickel-based component and a ferrochrome component dispersed within the nickel-based component.
  • FIG. 1 is a scanning electron microscope (SEM) micrograph illustrating representative morphology of a composite powder consistent with an exemplary embodiment of the invention.
  • FIG. 2 is an SEM micrograph illustrating representative morphology of an as-sintered composite powder consistent with an exemplary embodiment of the invention.
  • FIG. 3 is an SEM micrograph illustrating representative microstructure of a coating made from a composite powder consistent with an exemplary embodiment of the invention.
  • FIG. 4 is an SEM micrograph illustrating representative coating mo ⁇ hology of high carbon ferroclirome composite powder particles clad with nickel consistent with an exemplary embodiment of the invention.
  • FIG. 5 is an SEM micrograph illustrating morphology of a composite powder formed using an atomization method according to an exemplary embodiment of the invention.
  • a method of making a composite carbide powder may include selecting a ferrochrome material and mixing the ferrochrome material with a nickel-based material.
  • the ferrochrome material can be selected from among many materials that include at least some iron, chrome, and/or carbon.
  • the ferrochrome material may include at least one of (CrFe) 7 C 3 , (CrFe) 23 C 6 , and (CrFe) 3 C 2 .
  • the ferrochrome material may be selected in powder form, ingot form, or any other form suitable for obtaining the ferrochrome precursor material.
  • the nickel based material may be provided in powder form, ingot form, or any other suitable form.
  • the ferrochrome material and the nickel-based material may be mixed in a variety of ways.
  • the ferrochrome material and the nickel-based material especially when in powder form, may be mixed together with a solvent to form a slurry.
  • the ferrochrome material and the nickel-based material may be melted together to form a melt.
  • the disclosed composite chrome powders ultimately, may be generated from the mixture of the ferrochrome material and the nickel-based material.
  • Various methods for generating the composite chrome powders may be used including, for example, spray drying and sintering, atomization, sintering and crushing, mechanical blending, chemical vapor deposition cladding, electrochemical cladding, mechanical cladding, and mechanical blending.
  • Various additional materials may be added to the mixture of the ferrochrome material and the nickel-based material.
  • activated carbon and/or graphite powder may be added to the mixture.
  • one or more of silicon, titanium, niobium, vanadium, tantalum, molybdenum, tungsten, and manganese may be added.
  • any one of these materials may be limited to no more than 5% by weight of the chrome composite powder, and a combination of these materials maybe limited to 10% by weight of the chrome composite powder.
  • the disclosed composite chrome powders may have a variety of particle sizes. In one embodiment, an average particle size of the composite chrome powder may be from about 3 ⁇ m to about 500 ⁇ m.
  • the average particle size maybe from about 10 ⁇ m to about 60 ⁇ m.
  • the weight percentages of the constituents of the ferrochrome material may vary according to the requirements of a particular application.
  • the selected ferrochrome material may include carbon up to about 14 percent by weight.
  • the ferrochrome material may contain iron up to about 65 percent by weight, hi certain embodiments, however, the amount of iron may be limited to less than about 35 percent by weight.
  • the amount of chrome in the ferroclirome material may also vary between about 15 percent by weight and about 75 percent by weight.
  • the ferrochrome material may have a iron to chrome weight ratio of from about 0.2 to 0.5 by weight and a carbon to chrome ratio of from about 0 to 0.2 by weight.
  • the weight percentages of the constituents of the composite chrome powder may also be varied according to the requirements of a particular application.
  • the composite chrome powder may include carbon up to about 14 percent by weight.
  • the composite chrome powder may contain iron up to about 65 percent by weight, h certain embodiments, however, the amount of iron may be limited to less than about 35 percent by weight.
  • the amount of chrome in the composite chrome powder may also vary between about 15 percent by weight and about 75 percent by weight.
  • the composite chrome powder may also include up to about 35 percent by weight of nickel.
  • Spray drying is a process that transforms a slurry liquid into a powder by spraying the slurry into a heated environment. When the slurry enters the heated environment, the liquid portion of the slurry is vaporized, which leaves behind the solid particles of the powder. Spray drying can be used to produce dense particles with a controlled size distribution. i the spray drying process, the ferrochrome powder may be mixed with a nickel-based powder to form a powder mixture, the powder mixture may be dispersed in a solvent to form a slurry. A composite chrome powder may then be generated from the slurry.
  • the high carbon ferrochrome powder can be obtained from many industrial and steel making powder vendors, including, for example, FW Winter, Chemalloy, among others.
  • the high carbon ferrochrome powder may be, for example, at least one of (CrFe) C 3 , (CrFe)23C6, or (CrFe) 3 C 2 . While the ferrochrome powder and the nickel-based powder may be selected as individual components, it is also possible to obtain the high-carbon ferrochrome powder and nickel-based powder in a pre-mixed form.
  • the powders may be combined, for example, during a milling process, which reduces average individual particle size down to the micrometer range to promote uniform mixing and a fine composite structure in the final product. Milling of the powders can be accomplished, for example, by use of an Attritor mill operating at about 400 revolutions-per-minute (rpm).
  • a tungsten carbide (WC) milling media may be included in the mill in a milling media-to-powder ratio of about 6: 1 to about 8:1 (ratio of weight of WC to powder added).
  • a solvent e.g., acetone or heptane
  • the as-milled powder mixture may include a particle size distribution of about 0.1 ⁇ m to about 50 ⁇ m.
  • the powder mixture may be dried in air under a fume hood or other ventilation system, though the mixture need not be dried in every case.
  • a sieving machine may be used to separate the WC milling media from the powder mixture after milling is complete.
  • the powder mixture may be combined with deionized water or an organic solvent (e.g., acetone, heptane, etc.) to form a slurry with a certain solid content.
  • additional chemicals can be added to the slurry, including a binder (e.g., polyvinyl alcohol, gum Arabic, wax, etc.), a dispensing agent (e.g. sodium metaphosphate), a plasticizer (e.g. glycerine), and a surfactant (e.g. a synthesized detergent) or other anti-foaming agent.
  • a binder e.g., polyvinyl alcohol, gum Arabic, wax, etc.
  • a dispensing agent e.g. sodium metaphosphate
  • a plasticizer e.g. glycerine
  • surfactant e.g. a synthesized detergent
  • FIG. 1 is an SEM micrograph illustrating representative moiphology of a composite powder consistent with an exemplary embodiment of the invention. A distribution of spheroid particles 10 and 12 with particle sizes of about 20 ⁇ m to about 80 ⁇ m, respectively, are visible in FIG. 1.
  • making the composite carbide powder using a spray drying method may include sintering the as-spray dried powder at an elevated temperature (e.g. about 1100°C to about 1280°C) to form a loosely bonded powder body. After sintering, this powder body can be broken and sieved to form the composite carbide powder.
  • an elevated temperature e.g. about 1100°C to about 1280°C
  • Spray drying can produce a powder, as shown in FIG. 1, for example, that is relatively porous.
  • Sintering may serve to densify the powder by, for example, forming metallurgical bonds between individual particles inside each powder particle, or agglomerate. Sintering may be carried out in a batch furnace or push furnace in a reducing atmosphere.
  • FIG. 2, for example, is an SEM micrograph illustrating representative morphology of as-sintered composite powder particles consistent with an exemplary embodiment of the invention. As-sintered particles 16 and 18 have a rough spheroid surface, indicative of binder material driven out during the sintering process. The sintered powder shown in FIG. 2 was sintered at 1140°C for 45 minutes.
  • approximately 1 % to approximately 2 % activated carbon, graphite, or other carbon-containing powder may optionally be added to the powder mixture during the milling process.
  • the presence of this activated carbon may promote conversion of a (CrFe) 7 C 3 phase to a higher hardness (CrFe) 3 C 2 phase during sintering.
  • the approximately 1 % to approximately 2 % activated carbon, graphite, or other carbon-containing powder may combine with chrome or other metals during sintering to form a carbide structure in the final composite carbide powder.
  • the disclosed composite chrome powder may have a composite structure.
  • At least some of the particles of the composite chrome powder may include Fe-Cr-carbide particles dispersed within at least one of a nickel, nickel-chromium, or iron chrome matrix.
  • a metal powder may be mixed with a ferrochrome powder prior to or during the milling process.
  • the composite structure may be formed when the combination of the metal and ferrochrome powders is spray dried. For example, if a metal powder (e.g. nickel (Ni) or chromium (Cr)) is mixed with the high carbon ferrochrome powder before milling the high carbon ferrochrome powder, a composite structure may be produced.
  • This composite structure may include hard Fe-Cr-carbide particles dispersed relatively uniformly in a softer, tougher Ni matrix.
  • the chrome composite powder may include particles having a ferrochrome core material.
  • a nickel layer and/or a nickel-chromium layer may be clad on the ferrochrome core material to provide a composite structure.
  • a chrome composite powder may be made using a cladding process. Cladding is a process where a material is applied to the surface of another material and at least partially bound to it. Cladding of composite powder particles may be used to coat ferrochrome carbide particles with Ni, Ni-Cr, or Fe- Cr, for example.
  • the cladding technique may be accomplished by decomposition of a precursor, such as nickel-carbonyl, followed by deposition of the Ni, Ni-Cr, or Fe-Cr onto the composite powder particles. This may produce a softer outer layer of Ni, Ni-Cr, or Fe-Cr on a harder carbide particle.
  • FIG. 4 shows a SEM micrograph illustrating representative morphology of high carbon ferrochrome powder particles clad with nickel consistent with an exemplary embodiment of the invention. The clad particles are irregular rather than spheroid in shape. In even a further embodiment, a ferrochrome-nickel chrome composite powder was made with a gas atomization process.
  • Figure 5 shows the exemplary morphology of a composite powder made using gas atomization.
  • the disclosed composite chrome powders may be used to form various composite materials for use in many applications.
  • these composite materials may be used to form stand-alone parts, composite coatings, etc.
  • the composite materials like the composite powders from which they may be derived, may include a high carbon ferrochrome material combined with a nickel-based material.
  • the nickel-based material may be distributed between the carbon ferrochrome particles. This may produce a composite material having a composite structure where the ferrochrome material is dispersed in a nickel matrix.
  • Coatings and/or free standing parts using the disclosed chrome composite powders can be made in a variety of ways. Further, coatings made from the disclosed chrome composite powders may be applied to a variety of objects/substrates (e.g. a carbon steel).
  • powders may be used to form coatings on substrates with any of a variety of application methods including thermal spray processes (e.g., plasma spray, flame spray, HNOF, HNAF, detonation gun spray, and cold spray), laser cladding, plasma welding (e.g., PTA), and sintering (e.g., as associated with one or more powder metallurgy processes).
  • thermal spray processes e.g., plasma spray, flame spray, HNOF, HNAF, detonation gun spray, and cold spray
  • laser cladding e.g., PTA
  • sintering e.g., as associated with one or more powder metallurgy processes.
  • FIG. 3 shows an SEM micrograph illustrating representative microstructure of a coating made from a composite powder consistent with an exemplary embodiment of the invention.
  • FIG. 3 is a plan view of a cross section of a coating, showing high carbon ferrochrome powder particles 20 dispersed in nickel matrix 22 over a carbon steel substrate (not shown
  • Example 1 In one exemplary embodiment of the invention, a powder mixture was formed by placing 80% high carbon ferrochrome powder ( ⁇ 325 mesh, corresponding to about 45 ⁇ m and smaller individual particle diameter) and 20% carbonyl nickel powder (also -325 mesh) into an Attritor mill and wet milling the mixture for approximately six hours at 400 revolutions-per-minute (rpm). A tungsten carbide (WC) milling media was included at a milling media-to-powder mixture ratio of about 6:1 to about 8:1 (ratio of weight of WC to powder added). The powder mixture was milled to an average particle size of about 2 ⁇ m. A clear acetone solvent was added for the step of milling the powder mixture.
  • WC tungsten carbide
  • a sieving machine was used to separate the WC milling media from the powder mixture. Then the clear acetone solvent was poured out, and the milled powder mixture was dried by low temperature baking under a fume hood.
  • a 70 % solid content slurry was then prepared for spray drying by combining the powder mixture with deionized water, 1 % polyvinyl alcohol, sodium metaphosphate, glycerine, and a synthesized detergent. The slurry was then spray dried at about 260°C to obtain a powder with an average particle size in the range of about 25 ⁇ m to about 70 ⁇ m.
  • Example 2 In a second exemplary embodiment of the invention, a powder mixture was formed by placing 80% high carbon ferrochrome powder (-325 mesh, corresponding to about 45 ⁇ m and smaller individual particle diameter) and 20% carbonyl nickel powder (also -325 mesh) into an Attritor mill and wet milling the mixture for approximately six hours at 400 revolutions-per-minute (rpm).
  • a tungsten carbide (WC) milling media was included at a milling media- to-powder mixture ratio of about 6:1 to about 8:1 (ratio of weight of WC to powder added).
  • the powder mixture was milled to an average particle size of about 2 ⁇ m.
  • a clear heptane solvent was added for the step of milling the powder mixture. After milling, a sieving machine was used to separate the WC milling media from the powder mixture. Then the clear solvent was poured out, and the milled powder mixture was not dried prior to preparation for spray drying.
  • a 70 % solid content slurry was then prepared for spray drying by combining the powder mixture with deionized water, 1 % polyvinyl alcohol, sodium metaphosphate, glycerine, and a synthesized detergent.
  • the slurry was then spray dried at about 260°C to obtain a powder with an average particle size of about 25 ⁇ m to about 70 ⁇ m.
  • the as-spray dried powder was then sintered in a batch furnace in a reducing atmosphere at about 1100°C to about 1280°C, after which the loosely bonded powder body was crushed and sieved to form the final composite carbide powder.
  • Example 3 In a third exemplary embodiment of the invention, high carbon ferrochrome particles were clad with Ni.
  • high carbon ferrochrome powder (-325 mesh, corresponding to about 45 ⁇ m and smaller individual particle diameter) was injected into a reaction chamber and fluidized.
  • Carbonyl nickel which is an organic precursor, was added to the reaction chamber after the fluidized bed was heated. The carbonyl nickel decomposed and a thin Ni film was deposited on the individual powder particles. Operating conditions were adjusted so that a predetermined percentage of Ni was deposited on the composite powder particles.
  • the raw material proportion was controlled such that the final powder contained about 20% by weight of nickel, with the balance of high carbon ferroclirome.
  • the melt was fed through a nozzle and atomized with and inert gas (e.g., nitrogen or argon).
  • Figure 5 is a SEM picture of the composite powder generated.
  • the disclosed high carbon ferrochrome precursor materials may be used to produce composite powders for applications including coating of engine parts, cylinders, rods, bearings, joints, cam shafts, axles, etc. These ferrochrome materials may be selected from among those materials commonly used for making stainless steel and tool steel. Thus, these materials may be low cost materials. Use of this low cost precursor may translate into significant cost reduction over existing methods, i fact, based on the cost of the precursor materials, powders produced using carbon ferrochrome precursors may cost less than half as much as powders and coatings produced using known materials and methods. Despite the lower cost, coatings made using the disclosed composite powders may offer similar or better wear and corrosion resistant properties as the existing materials.
  • composite powders may be used in any industry where wear and corrosion resistant properties are desired.
  • Various composite materials were generated using the disclosed composite powders.
  • coatings were made using various systems including a Sulzer MetcoDiamond Jet HVOF system, a Praxiair JP 5000 HVOF system, a Demoton DSP detonation spray system, and Dolore Stellite 300M PTA system on steel substrate. These coatings included Knoop hardness values of between about 950-1200 HK at 100-300 gram load. These coating went through wear and friction evaluation and exhibit superior wear resistance.
  • various modifications and variations can be made in the described powders, coatings, and methods of making powders and coatings, without departing from the scope of the invention.
  • Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope of the invention being indicated by the following claims and their equivalents.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Powder Metallurgy (AREA)

Abstract

L'invention concerne un procédé destiné à produire une poudre de chrome composite. Ce procédé consiste à sélectionner un ferrochrome, à mélanger ce ferrochrome avec une matière à base de nickel, et à générer une poudre de chrome composite à partir de ce mélange.
PCT/US2004/016460 2003-12-22 2004-05-26 Matieres composites a base de chrome Ceased WO2005068673A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/740,452 2003-12-22
US10/740,452 US20050132843A1 (en) 2003-12-22 2003-12-22 Chrome composite materials

Publications (1)

Publication Number Publication Date
WO2005068673A1 true WO2005068673A1 (fr) 2005-07-28

Family

ID=34677878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/016460 Ceased WO2005068673A1 (fr) 2003-12-22 2004-05-26 Matieres composites a base de chrome

Country Status (2)

Country Link
US (1) US20050132843A1 (fr)
WO (1) WO2005068673A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104226980A (zh) * 2014-07-29 2014-12-24 中国科学院重庆绿色智能技术研究院 增强金属粉体材料激光能量吸收效率的方法
CN112719275A (zh) * 2021-04-06 2021-04-30 西安斯瑞先进铜合金科技有限公司 一种低温研磨制备钛硅金属粉末的方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005010248B4 (de) * 2005-02-28 2006-10-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines offenporigen Metallschaumkörpers, ein so hergestellter Metallschaumkörper sowie seine Verwendungen
DE102005047688C5 (de) * 2005-09-23 2008-09-18 Siemens Ag Kaltgasspritzverfahren
US7618500B2 (en) * 2005-11-14 2009-11-17 Lawrence Livermore National Security, Llc Corrosion resistant amorphous metals and methods of forming corrosion resistant amorphous metals
CN100409979C (zh) * 2006-05-19 2008-08-13 江苏天一超细金属粉末有限公司 纳米SiO2包覆羰基铁粉的生产方法
US7820238B2 (en) * 2006-12-20 2010-10-26 United Technologies Corporation Cold sprayed metal matrix composites
US9624568B2 (en) 2008-04-08 2017-04-18 Federal-Mogul Corporation Thermal spray applications using iron based alloy powder
US9162285B2 (en) 2008-04-08 2015-10-20 Federal-Mogul Corporation Powder metal compositions for wear and temperature resistance applications and method of producing same
US9546412B2 (en) 2008-04-08 2017-01-17 Federal-Mogul Corporation Powdered metal alloy composition for wear and temperature resistance applications and method of producing same
NL2001869C2 (nl) * 2008-08-01 2010-02-02 Stichting Materials Innovation Cilinderkop met klepzitting alsmede werkwijze voor het vervaardigen daarvan.
CN102233491B (zh) * 2010-04-27 2013-01-09 昆山京群焊材科技有限公司 自保护药芯焊丝
CN102114544A (zh) * 2011-04-07 2011-07-06 北京科技大学 一种制备粒径分布均匀且球形度和分散性好的钨粉的方法
TW201318758A (zh) * 2011-11-01 2013-05-16 Sorex Welding Co Ltd 自保護藥芯焊絲
EP3049544B1 (fr) * 2013-09-27 2021-06-09 Raytheon Technologies Corporation Matières de charge d'alimentation à auto-grenaillage pour dépôt par pulvérisation à froid
US9475945B2 (en) 2013-10-03 2016-10-25 Kennametal Inc. Aqueous slurry for making a powder of hard material
BR112017004306B1 (pt) 2014-09-18 2020-12-15 Oerlikon Metco (Us) Inc. Composição pulverizada adaptada para uso em processos de revestimento deespargimento térmico de suspensão
CA3048153A1 (fr) * 2016-12-28 2018-07-05 Mitsubishi Electric Corporation Poudre pour metallurgie et procede de fabrication d'un produit moule a l'aide de ladite poudre pour metallurgie
CN110202159B (zh) * 2019-06-21 2022-04-22 西安斯瑞先进铜合金科技有限公司 一种高性能CuCr电触头专用金属铬粉的制备方法
CN110512109B (zh) * 2019-09-20 2021-09-03 西安稀有金属材料研究院有限公司 一种石墨烯增强钛基复合材料的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234998B (de) * 1964-08-18 1967-02-23 Pfizer & Co C Verfahren zur Verbesserung der Korrosionsbestaendigkeit von Formstuecken aus rostfreiem Stahlpulver
US3708283A (en) * 1971-01-19 1973-01-02 Parker Pen Co Process for preparing cemented ferrochrome
JPS6164865A (ja) * 1984-09-04 1986-04-03 Komatsu Ltd 摺動摩耗用溶射材料
US4678511A (en) * 1984-09-08 1987-07-07 Awamura Metal Industry Co., Ltd. Spray micropellets
US6302937B1 (en) * 1998-05-22 2001-10-16 Hitachi Powdered Metals, Co., Ltd. Sintered alloy having superior wear resistance
EP1347068A1 (fr) * 2002-03-15 2003-09-24 Teikoku Piston Ring Co., LTd. Alliage fritté pour sièges de soupape, siège de soupape et méthode de production

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298858A (en) * 1963-07-08 1967-01-17 Yawata Seitetsu Kabushiki Kais Method of treating surfaces of iron and steel
US3326714A (en) * 1964-01-08 1967-06-20 Union Carbide Corp Wear and corrosion resistant coating
US3617358A (en) * 1967-09-29 1971-11-02 Metco Inc Flame spray powder and process
JPS5130843B2 (fr) * 1971-12-22 1976-09-03
US3870445A (en) * 1973-01-26 1975-03-11 Usm Corp Injection molding machine controls
US3833320A (en) * 1973-07-05 1974-09-03 Ford Motor Co Coating for apex seals of rotary engines and method of making
US4235630A (en) * 1978-09-05 1980-11-25 Caterpillar Tractor Co. Wear-resistant molybdenum-iron boride alloy and method of making same
US4194900A (en) * 1978-10-05 1980-03-25 Toyo Kohan Co., Ltd. Hard alloyed powder and method of making the same
JPS5669367A (en) * 1979-11-09 1981-06-10 Toyota Motor Corp Sliding member
DE3315556C1 (de) * 1983-04-29 1984-11-29 Goetze Ag, 5093 Burscheid Verschleissfeste Beschichtung
US4704336A (en) * 1984-03-12 1987-11-03 General Electric Company Solid particle erosion resistant coating utilizing titanium carbide
US4725512A (en) * 1984-06-08 1988-02-16 Dresser Industries, Inc. Materials transformable from the nonamorphous to the amorphous state under frictional loadings
US5981081A (en) * 1984-09-18 1999-11-09 Union Carbide Coatings Service Corporation Transition metal boride coatings
US4666733A (en) * 1985-09-17 1987-05-19 Electric Power Research Institute Method of heat treating of wear resistant coatings and compositions useful therefor
US4725508A (en) * 1986-10-23 1988-02-16 The Perkin-Elmer Corporation Composite hard chromium compounds for thermal spraying
US5316106A (en) * 1993-05-07 1994-05-31 Ford Motor Company Lubricant cooling system for a motor vehicle axle
US5863618A (en) * 1996-10-03 1999-01-26 Praxair St Technology, Inc. Method for producing a chromium carbide-nickel chromium atomized powder
US6238807B1 (en) * 1997-07-25 2001-05-29 Chubu Sukegawa Enterprise Co., Ltd. Thermal spraying composite material containing molybdenum boride and a coat formed by thermal spraying
US6071324A (en) * 1998-05-28 2000-06-06 Sulzer Metco (Us) Inc. Powder of chromium carbide and nickel chromium

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234998B (de) * 1964-08-18 1967-02-23 Pfizer & Co C Verfahren zur Verbesserung der Korrosionsbestaendigkeit von Formstuecken aus rostfreiem Stahlpulver
US3708283A (en) * 1971-01-19 1973-01-02 Parker Pen Co Process for preparing cemented ferrochrome
JPS6164865A (ja) * 1984-09-04 1986-04-03 Komatsu Ltd 摺動摩耗用溶射材料
US4678511A (en) * 1984-09-08 1987-07-07 Awamura Metal Industry Co., Ltd. Spray micropellets
US6302937B1 (en) * 1998-05-22 2001-10-16 Hitachi Powdered Metals, Co., Ltd. Sintered alloy having superior wear resistance
EP1347068A1 (fr) * 2002-03-15 2003-09-24 Teikoku Piston Ring Co., LTd. Alliage fritté pour sièges de soupape, siège de soupape et méthode de production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 230 (C - 365) 9 August 1986 (1986-08-09) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104226980A (zh) * 2014-07-29 2014-12-24 中国科学院重庆绿色智能技术研究院 增强金属粉体材料激光能量吸收效率的方法
CN104226980B (zh) * 2014-07-29 2016-06-15 中国科学院重庆绿色智能技术研究院 增强金属粉体材料激光能量吸收效率的方法
CN112719275A (zh) * 2021-04-06 2021-04-30 西安斯瑞先进铜合金科技有限公司 一种低温研磨制备钛硅金属粉末的方法
CN112719275B (zh) * 2021-04-06 2021-07-16 西安斯瑞先进铜合金科技有限公司 一种低温研磨制备钛硅金属粉末的方法

Also Published As

Publication number Publication date
US20050132843A1 (en) 2005-06-23

Similar Documents

Publication Publication Date Title
US20050132843A1 (en) Chrome composite materials
US9919358B2 (en) Sintered molybdenum carbide-based spray powder
TWI661882B (zh) 製造含氮化鉻經燒結噴灑粉末之方法，含鉻經燒結噴灑粉末及其用途，與經塗佈組件及其製造方法
CA2337322C (fr) Poudre a projeter, procede de projection a chaud de cette poudre et revetement projete
JP6051209B2 (ja) 炭化タングステンが主成分の噴射粉末、ならびに炭化タングステンが主成分の溶射層を有する基板
US20080145649A1 (en) Protective coatings which provide wear resistance and low friction characteristics, and related articles and methods
US20160002764A1 (en) Thermal spray powder for sliding systems which are subject to heavy loads
MXPA04008463A (es) Revestimiento y polvo resistente a corrosion.
US5141821A (en) High temperature mcral(y) composite material containing carbide particle inclusions
KR20090053941A (ko) 금속 분말
US20080113105A1 (en) Coating Formed By Thermal Spraying And Methods For The Formation Thereof
US20080293558A1 (en) Wear Resistant Materials
CA2267960C (fr) Poudre de revetement et procede de production de ladite poudre
JP2017521548A (ja) 炭化チタンオーバーレイ及びその製造方法
JP2988281B2 (ja) 溶射用セラミックス・金属複合粉末及び溶射被膜の形成方法
EP0748879B1 (fr) Procédé pour la production d'un revêtement à base de TiB2 et articles revêtus ainsi obtenus
US20050136279A1 (en) Chrome composite materials
JPH08311635A (ja) 高速粉末式フレーム溶射用タングステンカーバイト系サーメット粉末
US20100068405A1 (en) Method of forming metallic carbide based wear resistant coating on a combustion turbine component

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

122 Ep: pct application non-entry in european phase