IL45473A - Chromium-chromium carbide powder,method for producing same and article made therefrom - Google Patents

Chromium-chromium carbide powder,method for producing same and article made therefrom

Info

Publication number
IL45473A
IL45473A IL45473A IL4547374A IL45473A IL 45473 A IL45473 A IL 45473A IL 45473 A IL45473 A IL 45473A IL 4547374 A IL4547374 A IL 4547374A IL 45473 A IL45473 A IL 45473A
Authority
IL
Israel
Prior art keywords
chromium
carbon
powder
particle
composite
Prior art date
Application number
IL45473A
Other versions
IL45473A0 (en
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of IL45473A0 publication Critical patent/IL45473A0/en
Publication of IL45473A publication Critical patent/IL45473A/en

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
    • F02B55/08—Outer members for co-operation with rotary pistons; Casings
    • 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
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/956—Producing particles containing a dispersed phase
    • 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
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12146—Nonmetal particles in a component
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Claims (21)

WHAT IS CLAIMED IS: f
1. Claim 1. A powder containing from about 0.2 wt % to about 5.4 wt 7o carbon and wherein substantially every particle of said powder consists essentially of chromium and at least one chromium carbide taken from the class consisting of Cr23 C^ Cr C3 and Cr3 C2.
2. Claim 2. A powder according to Claim 1 wherein said powder contains from about 0.8 - 1.7 wt % carbon.
3. Claim 3. A powder according to Claim 1 wherein said powder contains about 1 wt % carbon.
4. Claim 4. A powder according to Claim 1 wherein each particle has a core of chromium substantially completely surrounded by a shell of said chromium carbides.
5. Claim 5. A powder according to Claim 1 wherein each particle contains chromium and said chromium carbides on the surface of said chromium.
6. Claim 6. A powder according to Claim 1 wherein each particle contains chromium and said chromium carbides dispersed within said chromium.
7. Claim 7. A method for producing a powder comprising: A) heating a source of chromium with a source of carbon in a non-oxidizing environment until the carbon diffuses and reacts with the chromium; B) comminuting the product formed in step A to a powder containing from about 0.2 wt % to about 5.4 wt % Carbon and wherein substantially every particle of said powder consists essentially of chromium and at least one chromium carbide taken from the class consisting of Cr23Cgj CryCg and
8. Claim 8. A method for producing a powder comprising: A) mixing a source of chromium powder with a source of carbon; B) heating said mixture in a non-oxidizing environment until the carbon diffuses and reacts with the chromium; and C) comminuting the product formed in Step (B) to a powder containing from about 0.2 wt % to about 5.4 wt % carbon and wherein substantially every particle of said powder consists essentially of chromium and at least one chromium carbide taken from the class consisting of Qri h* and Cr3C2«
9. Claim 9. Method according to Claim 8 wherein the source of chromium is or chromium metal.
10. Claim 10. Method according to Claim 8 wherein the source of carbon is elemental carbon or a carbide of chromium containing a greater percentage of carbon than ^2365.
11. Claim 11. Method according to Claim 8 wherein said mixture is heated to a temperature in the range of from 1000 to 1400eC for a period of from 1-50 hours.
12. Claim 12. Method according to Claim 8 wherein said non-oxidizing environment is a vacuum.
13. Claim 13. Method according to Claim 8 wherein said non-oxidizing environment is hydrogen.
14. Claim 14. Method according to Claim 7 wherein said source of carbon is a carbon containing gas.
15. Claim 15. Method according to Claim 14 wherein said carbon containing gas is a hydrocarbon gas.
16. Claim 16. An article consisting of a metal substrate having a coating thereon consisting essentially of a composite of chromium and at least one chromium carbide taken from the class consisting of Cr23C ; CryC3 and Cr3C2 wherein the composite coating contains from 0.2 wt % to about 5.4 wt % Carbon and the composite is characterized by a multilayer structure of overlapping thin, lenticular particles, each particle containing a mixture of said chromium and chromium carbides.
17. Claim 17. Article according to Claim 16 wherein the carbon content is in the range of 0.8 - 1.7 wt .
18. Claim 18. A coated trochoid surface of a rotary combustion engine comprising a metallic surface having a coating thereon consisting essentially of a composite of chromium and at least 0 2 wt % to about 5.4 wt % Carbon and the composite is characterized by a multilayer structure of over-lapping thin, lenticular particles, each particle containing a mixture of said chromium and chromium carbides.
19. Claim 19. A coated trochoid surface of a rotary combustion engine according to Claim 18 wherein the carbon content is in the range of 0.8 - 1.7 wt %.
20. Claim 20. A coated trochoid surface of a rotary combustion engine according to Claim 18 wherein the carbon content is about 1 wt .
21. Claim 21. An article consisting of a composite of chromium and at least one chromium carbide taken from the class consisting of C^gC^; Cr^Cg and Cr^Cg wherein the composite contains from 0.2 wt % to about 5.4 wt % carbon and the composite is characterized by a multilayer structure of over-lapping thin, lenticular particles, each particle containing a mixture of said chromium and chromium carbides.
IL45473A 1973-08-15 1974-08-14 Chromium-chromium carbide powder,method for producing same and article made therefrom IL45473A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00388433A US3846084A (en) 1973-08-15 1973-08-15 Chromium-chromium carbide powder and article made therefrom

Publications (2)

Publication Number Publication Date
IL45473A0 IL45473A0 (en) 1974-11-29
IL45473A true IL45473A (en) 1976-09-30

Family

ID=23534101

Family Applications (1)

Application Number Title Priority Date Filing Date
IL45473A IL45473A (en) 1973-08-15 1974-08-14 Chromium-chromium carbide powder,method for producing same and article made therefrom

Country Status (12)

Country Link
US (1) US3846084A (en)
JP (1) JPS548361B2 (en)
AU (1) AU7130674A (en)
CA (1) CA1036390A (en)
CH (1) CH594740A5 (en)
DE (1) DE2438998B2 (en)
ES (1) ES429279A1 (en)
FR (1) FR2245774B1 (en)
GB (1) GB1484583A (en)
IL (1) IL45473A (en)
IT (1) IT1018969B (en)
SE (1) SE7410371L (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57151945A (en) * 1981-03-17 1982-09-20 Hoya Corp Photomask blank and its manufacture
JPS58171502A (en) * 1982-04-02 1983-10-08 Toyota Motor Corp Pulverized composite powder of ceramic and metal
JPS60191059A (en) * 1984-03-10 1985-09-28 株式会社クボタ Chromium carbide ceramic material
DE3546113A1 (en) * 1985-12-24 1987-06-25 Santrade Ltd COMPOSITE POWDER PARTICLES, COMPOSITE BODIES AND METHOD FOR THE PRODUCTION THEREOF
US4725508A (en) * 1986-10-23 1988-02-16 The Perkin-Elmer Corporation Composite hard chromium compounds for thermal spraying
JP3339652B2 (en) * 1992-10-21 2002-10-28 株式会社豊田中央研究所 Composite material and method for producing the same
US5863618A (en) * 1996-10-03 1999-01-26 Praxair St Technology, Inc. Method for producing a chromium carbide-nickel chromium atomized powder
US6071324A (en) * 1998-05-28 2000-06-06 Sulzer Metco (Us) Inc. Powder of chromium carbide and nickel chromium
US6503290B1 (en) 2002-03-01 2003-01-07 Praxair S.T. Technology, Inc. Corrosion resistant powder and coating
CN1997474A (en) * 2004-05-28 2007-07-11 普莱克斯S·T·技术有限公司 Wear resistant alloy powders and coatings.
US20060110626A1 (en) * 2004-11-24 2006-05-25 Heraeus, Inc. Carbon containing sputter target alloy compositions
DE102005020999A1 (en) * 2005-05-03 2006-11-09 Alfred Flamang Process for coating components exposed to wear and coated component
US20070017803A1 (en) * 2005-07-22 2007-01-25 Heraeus, Inc. Enhanced sputter target manufacturing method
EP1923481A3 (en) * 2005-07-22 2008-06-18 Heraeus, Inc. Enhanced sputter target manufacturing method
NO20063896L (en) * 2005-09-20 2007-03-21 Inventio Ag Elevator system with drive belt pulley and flat belt bearing
US8342386B2 (en) * 2006-12-15 2013-01-01 General Electric Company Braze materials and processes therefor
WO2010093786A2 (en) * 2009-02-12 2010-08-19 A123 Systems, Inc. Materials and methods for the removal of sulfur compounds from a feedstock
CN103468991B (en) * 2013-08-01 2015-07-01 西安交通大学 Method for increasing oxidation resistance and high-temperature mechanical performance of Cr23C6 compound
CN103420373A (en) * 2013-08-01 2013-12-04 西安交通大学 Preparation method for high temperature corrosion resistant Cr23C6 cermet
WO2015134578A1 (en) 2014-03-04 2015-09-11 University Of Florida Research Foundation, Inc. Method for producing nanoparticles and the nanoparticles produced therefrom

Also Published As

Publication number Publication date
DE2438998B2 (en) 1977-03-17
IT1018969B (en) 1977-10-20
SE7410371L (en) 1975-02-17
JPS5050415A (en) 1975-05-06
CA1036390A (en) 1978-08-15
GB1484583A (en) 1977-09-01
IL45473A0 (en) 1974-11-29
JPS548361B2 (en) 1979-04-14
FR2245774B1 (en) 1978-11-24
FR2245774A1 (en) 1975-04-25
US3846084A (en) 1974-11-05
AU7130674A (en) 1976-01-22
ES429279A1 (en) 1976-08-16
DE2438998A1 (en) 1975-03-06
CH594740A5 (en) 1978-01-31

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