WO2006071502B1 - Composition and process for enhanced properties of ferrous components - Google Patents

Composition and process for enhanced properties of ferrous components

Info

Publication number
WO2006071502B1
WO2006071502B1 PCT/US2005/044862 US2005044862W WO2006071502B1 WO 2006071502 B1 WO2006071502 B1 WO 2006071502B1 US 2005044862 W US2005044862 W US 2005044862W WO 2006071502 B1 WO2006071502 B1 WO 2006071502B1
Authority
WO
WIPO (PCT)
Prior art keywords
component
coating
surface region
canceled
metal alloy
Prior art date
Application number
PCT/US2005/044862
Other languages
French (fr)
Other versions
WO2006071502A3 (en
WO2006071502A2 (en
WO2006071502A8 (en
Inventor
Clark V Cooper
Raymond C Benn
Bruce D Hansen
Original Assignee
United Technologies Corp
Clark V Cooper
Raymond C Benn
Bruce D Hansen
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 United Technologies Corp, Clark V Cooper, Raymond C Benn, Bruce D Hansen filed Critical United Technologies Corp
Priority to CA002592420A priority Critical patent/CA2592420A1/en
Priority to JP2007548273A priority patent/JP4919968B2/en
Priority to US11/793,847 priority patent/US20080277030A1/en
Priority to EP05853711A priority patent/EP1831408A4/en
Publication of WO2006071502A2 publication Critical patent/WO2006071502A2/en
Publication of WO2006071502A8 publication Critical patent/WO2006071502A8/en
Publication of WO2006071502A3 publication Critical patent/WO2006071502A3/en
Publication of WO2006071502B1 publication Critical patent/WO2006071502B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/007—Heat treatment of ferrous alloys containing Co
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/04—Hardening by cooling below 0 degrees Celsius
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
    • C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
    • 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/02—Pretreatment of the material to be coated
    • C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
    • 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0605—Carbon
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C23C8/38—Treatment of ferrous surfaces
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Articles (AREA)
  • Gears, Cams (AREA)
  • Forging (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

Components, such as gears and other power transmission components, are formed by near-net-forging a high strength, high toughness ferrous metal alloy, surface processing metal alloy to form a hardened surface region (28), and coating the surface region with a lubricious coating (84) as shown in Figure 9.

Claims

20AMENDED CLAIMS received by the International Bureau on 31 October 2006 (31.10.06)
1. A mθthod of producing a component, the method comprising: near-net-shapc forging a high strength, high toughness terrous motαl alloy to an essentially finished shape component; and surface processing the component with high current density ion implantation to form a hardened surface region; and reducing surface roughness of the component with a vibratory, chemo- mechanical superfinishing process.
2. The method of claim 1 , wherein the componetnt is a power transmission component.
3. The method of claim 2, wherein the power transmission component is a gear.
4. The method of claim 1 , wherein' the surface processing comprises at least one of nitriding, nitrocarburizing, carburizing.'boronizing. and chromizing.
5. (Canceled)
6. The method of claim 1 , and further comprising: heat treating the component; quenching the component; refrigerating the component; and tempering the component.
7. The method of claim 1 , and further comprising: forming a solid lubricious coating over the surface region.
8. The method of claim 7, wherein the solid lubricious coating comprises amorphous hydrogenated carbon,
9. The method of claim 8, wherein the solid' lubricious coating includes a transition metal.
10. The method of claim 7, and further comprising: forming an intermediate coating over the surface region prior to forming the solid lubricious coating.
11. The method of claim 10, wherein the intermediate coating comprises a metal.
12. The method of claim 11 wherein the solid lubricious coating comprises amorphous hydrogeπated carbon the melal contained in the intermediate coating.
13. The method of claim 1 , wherein the ferrous metal alloy comprises at least 5wt% cobalt, at least 1.5wt%nickel, up to 1.0wt% carbon, and up to 15wt% of molybdenum, chromium, tungsten, or vanadium and combinations thereof.
(Canceled)
15. (Canceled)
16. A method of producing a component, the method comprising: near-net-forging a ferrous metal alloy to an essentially finished component shape; transforming a surface region of the metal alloy to a hardened surface region with a high current density ion implantation process; forming a coating over the hardened surface region; and reducing surface roughness with a vibratory, chemo-mechanical superfinishing process, in which said vibratory, chemo-mechanical process is provided before and/or after said coating,
17. The method of claim 16, wherein the metal alloy has a composition comprising at least 5wt% cobalt and at least 1.5% nickel,
18. The method of claim 16, wherein the metal alloy has a composition comprising up to 1.0wt% carbon, and up to' 15wt% of molybdenum, chromium, tungsten, or vanadium and combinations thereof.
19. The method of claim 16, wherein the coating comprises an amorphous hydrogenated carbon coating.'
20. The method of claim 16, arid further comprising forming an intermediate coating between the coating and the hardened surface region.
21. The method of claim 20, wherein the intermediate coating comprises a transition metal.
22. (Canceled) 22
23. (Canceled).
PCT/US2005/044862 2004-12-23 2005-12-13 Composition and process for enhanced properties of ferrous components WO2006071502A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002592420A CA2592420A1 (en) 2004-12-23 2005-12-13 Composition and process for enhanced properties of ferrous components
JP2007548273A JP4919968B2 (en) 2004-12-23 2005-12-13 Compositions and methods for enhancing the properties of components containing iron
US11/793,847 US20080277030A1 (en) 2004-12-23 2005-12-13 Composition and Process for Enhanced Properties of Ferrous Components
EP05853711A EP1831408A4 (en) 2004-12-23 2005-12-13 Composition and process for enhanced properties of ferrous components

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63861204P 2004-12-23 2004-12-23
US60/638,612 2004-12-23

Publications (4)

Publication Number Publication Date
WO2006071502A2 WO2006071502A2 (en) 2006-07-06
WO2006071502A8 WO2006071502A8 (en) 2006-08-24
WO2006071502A3 WO2006071502A3 (en) 2006-12-07
WO2006071502B1 true WO2006071502B1 (en) 2007-01-18

Family

ID=36615383

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/044862 WO2006071502A2 (en) 2004-12-23 2005-12-13 Composition and process for enhanced properties of ferrous components

Country Status (6)

Country Link
US (1) US20080277030A1 (en)
EP (1) EP1831408A4 (en)
JP (1) JP4919968B2 (en)
KR (1) KR20070095935A (en)
CA (1) CA2592420A1 (en)
WO (1) WO2006071502A2 (en)

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Also Published As

Publication number Publication date
US20080277030A1 (en) 2008-11-13
KR20070095935A (en) 2007-10-01
EP1831408A4 (en) 2010-07-21
WO2006071502A3 (en) 2006-12-07
WO2006071502A2 (en) 2006-07-06
JP4919968B2 (en) 2012-04-18
WO2006071502A8 (en) 2006-08-24
JP2008525639A (en) 2008-07-17
EP1831408A2 (en) 2007-09-12
CA2592420A1 (en) 2006-07-06

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