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WO2008124238A3 - Diffusion promoters for low temperature case hardening - Google Patents

Diffusion promoters for low temperature case hardening Download PDF

Info

Publication number
WO2008124238A3
WO2008124238A3 PCT/US2008/056558 US2008056558W WO2008124238A3 WO 2008124238 A3 WO2008124238 A3 WO 2008124238A3 US 2008056558 W US2008056558 W US 2008056558W WO 2008124238 A3 WO2008124238 A3 WO 2008124238A3
Authority
WO
WIPO (PCT)
Prior art keywords
low temperature
case hardening
temperature case
diffusion promoters
diffusion
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/US2008/056558
Other languages
French (fr)
Other versions
WO2008124238A2 (en
Inventor
Sunniva R Collins
William H Glime
Gary W Henrich
Andrew P Marshall
Gerhard H Schiroky
Peter C Williams
George R Vraciu
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.)
Swagelok Co
Original Assignee
Swagelok Co
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 Swagelok Co filed Critical Swagelok Co
Priority to US12/530,799 priority Critical patent/US20100037991A1/en
Publication of WO2008124238A2 publication Critical patent/WO2008124238A2/en
Publication of WO2008124238A3 publication Critical patent/WO2008124238A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • 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
    • C23C8/02—Pretreatment of the material to be coated
    • 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
    • C23C8/08—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
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding 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
    • C23C8/28—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 more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

Low temperature carburization of a workpiece surface is accomplished faster by impregnating the surface with a diffusion promoter prior to or during the low temperature carburization process.
PCT/US2008/056558 2007-04-05 2008-03-12 Diffusion promoters for low temperature case hardening Ceased WO2008124238A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/530,799 US20100037991A1 (en) 2007-04-05 2008-03-12 Diffusion promoters for low temperature case hardening

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US92193507P 2007-04-05 2007-04-05
US60/921,935 2007-04-05
US93106407P 2007-05-21 2007-05-21
US60/931,064 2007-05-21

Publications (2)

Publication Number Publication Date
WO2008124238A2 WO2008124238A2 (en) 2008-10-16
WO2008124238A3 true WO2008124238A3 (en) 2009-08-06

Family

ID=39410513

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/056558 Ceased WO2008124238A2 (en) 2007-04-05 2008-03-12 Diffusion promoters for low temperature case hardening

Country Status (2)

Country Link
US (1) US20100037991A1 (en)
WO (1) WO2008124238A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2459011C1 (en) * 2011-06-23 2012-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Восточно-Сибирский государственный университет технологий и управления" Coating for boroaluminising of steel products

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101704849B1 (en) 2009-08-07 2017-02-08 스와겔로크 컴패니 Low temperature carburization under soft vacuum
EP2804965B1 (en) * 2012-01-20 2020-09-16 Swagelok Company Concurrent flow of activating gas in low temperature carburization
CN103801646A (en) * 2012-11-12 2014-05-21 中国南方航空工业(集团)有限公司 13cr15ni4mo3n material forging process
CN103834911A (en) * 2012-11-27 2014-06-04 大连经济技术开发区圣洁真空技术开发有限公司 New workpiece surface low-temperature carbonitriding method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003455C2 (en) * 1996-06-28 1998-01-07 Univ Utrecht The production of non-porous surface layers on ferrous objects
WO2004007789A2 (en) * 2002-07-16 2004-01-22 Danmarks Tekniske Universitet-Dtu Case-hardening of stainless steel
WO2005067469A2 (en) * 2003-12-23 2005-07-28 Rolls-Royce Corporation Method for carburizing steel components

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556483A (en) * 1994-04-18 1996-09-17 Daido Hoxan, Inc. Method of carburizing austenitic metal
DE69510719T2 (en) * 1994-04-18 1999-12-09 Daido Hoxan Inc., Sapporo Process for carburizing austenitic metal
US5792282A (en) * 1995-04-17 1998-08-11 Daido Hoxan, Inc. Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby
US6165597A (en) * 1998-08-12 2000-12-26 Swagelok Company Selective case hardening processes at low temperature
US6093303A (en) * 1998-08-12 2000-07-25 Swagelok Company Low temperature case hardening processes
US20020009551A1 (en) * 1999-06-01 2002-01-24 Jong Ho Ko Process for heat treatment nitriding in the presence of titanium and products produced thereby
US6547888B1 (en) * 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
JP4188307B2 (en) * 2004-12-10 2008-11-26 大同特殊鋼株式会社 Carburized parts and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1003455C2 (en) * 1996-06-28 1998-01-07 Univ Utrecht The production of non-porous surface layers on ferrous objects
WO2004007789A2 (en) * 2002-07-16 2004-01-22 Danmarks Tekniske Universitet-Dtu Case-hardening of stainless steel
WO2005067469A2 (en) * 2003-12-23 2005-07-28 Rolls-Royce Corporation Method for carburizing steel components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2459011C1 (en) * 2011-06-23 2012-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Восточно-Сибирский государственный университет технологий и управления" Coating for boroaluminising of steel products

Also Published As

Publication number Publication date
WO2008124238A2 (en) 2008-10-16
US20100037991A1 (en) 2010-02-18

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