DE69113789T2 - Process of nitriding steel. - Google Patents

Process of nitriding steel.

Info

Publication number
DE69113789T2
DE69113789T2 DE69113789T DE69113789T DE69113789T2 DE 69113789 T2 DE69113789 T2 DE 69113789T2 DE 69113789 T DE69113789 T DE 69113789T DE 69113789 T DE69113789 T DE 69113789T DE 69113789 T2 DE69113789 T2 DE 69113789T2
Authority
DE
Germany
Prior art keywords
gas
atmosphere
heated condition
nitriding steel
steel
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.)
Expired - Lifetime
Application number
DE69113789T
Other languages
German (de)
Other versions
DE69113789D1 (en
Inventor
Akira Yoshino
Haruo Senbokuya
Masaaki Tahara
Kenzo Kitano
Teruo Minato
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.)
Air Water Inc
Original Assignee
Daido Hoxan 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 Daido Hoxan Inc filed Critical Daido Hoxan Inc
Application granted granted Critical
Publication of DE69113789D1 publication Critical patent/DE69113789D1/en
Publication of DE69113789T2 publication Critical patent/DE69113789T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C4/18—After-treatment
    • 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
    • C23C8/34—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 more than one step

Abstract

This invention relates to a method for forming a uniform, deep nitride layer on and in steel works at low cost, wherein a steel work is fluorided in heated condition in an atmosphere of a mixed gas composed of fluorine gas and inert gas with or without nitrogen trifluoride gas and, then, nitrided in heated condition in an atmosphere of nitriding gas.
DE69113789T 1991-06-04 1991-06-04 Process of nitriding steel. Expired - Lifetime DE69113789T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP91305033A EP0516899B1 (en) 1991-06-04 1991-06-04 Method of nitriding steel
CN91104154.0A CN1032375C (en) 1991-06-04 1991-06-24 Steel nitriding method

Publications (2)

Publication Number Publication Date
DE69113789D1 DE69113789D1 (en) 1995-11-16
DE69113789T2 true DE69113789T2 (en) 1996-04-25

Family

ID=36781525

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69113789T Expired - Lifetime DE69113789T2 (en) 1991-06-04 1991-06-04 Process of nitriding steel.

Country Status (6)

Country Link
EP (1) EP0516899B1 (en)
CN (1) CN1032375C (en)
AT (1) ATE129023T1 (en)
DE (1) DE69113789T2 (en)
DK (1) DK0516899T3 (en)
ES (1) ES2082138T3 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731232B1 (en) * 1995-03-01 1997-05-16 Stephanois Rech PROCESS FOR TREATING FERROUS SURFACES SUBJECT TO HIGH FRICTION STRESS
CN1106454C (en) * 1995-05-25 2003-04-23 空气及水株式会社 Nitrizing for steel
JPH102336A (en) * 1996-04-16 1998-01-06 Koyo Seiko Co Ltd Retainer for bearing and manufacture therefor
JP3699803B2 (en) * 1997-05-09 2005-09-28 光洋精工株式会社 Manufacturing method of bearing and bearing
US20050247375A1 (en) * 2002-09-24 2005-11-10 Teiji Suzuki Method of nitriding metal ring and apparatus therefor
CN102517540B (en) * 2011-12-20 2013-11-20 广东华南特种气体研究所有限公司 Passivation method of excimer laser gas configuration device
KR102466065B1 (en) 2014-07-31 2022-11-10 스와겔로크 컴패니 Enhanced activation of self-passivating metals
DE102016221891A1 (en) * 2016-11-08 2018-05-09 Robert Bosch Gmbh Process for the heat treatment of a high-alloy steel workpiece
PL3684961T3 (en) 2017-09-19 2023-02-27 Bortec Gmbh Improved pre-treatment process of a surface of a metallic substrate
WO2019241011A1 (en) 2018-06-11 2019-12-19 Swagelok Company Chemical activation of self-passivating metals
EP4143358A1 (en) 2020-04-29 2023-03-08 Swagelok Company Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization
CN111843407B (en) * 2020-07-29 2021-11-02 扬州大学 Nitriding device and nitriding processing method for 304 stainless steel spiral reamer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851387A (en) * 1957-05-08 1958-09-09 Chapman Valve Mfg Co Method of depassifying high chromium steels prior to nitriding
SU638635A1 (en) * 1977-05-24 1978-12-28 Московский Автомобильно-Дорожный Институт Method of nitriding steel components
DE68918365T2 (en) * 1988-07-20 1995-05-04 Hashimoto Chemical Ind Co Metallic material with film passivated by fluorination and system consisting of the metallic material.
DE69009603T2 (en) * 1989-07-10 1995-01-12 Daido Oxygen Process for the pretreatment of metallic workpieces and the nitriding hardening of steel.
US5112030A (en) * 1990-10-01 1992-05-12 Daidousanso Co., Ltd. Heat treat furnace for fluorinating steel material

Also Published As

Publication number Publication date
DK0516899T3 (en) 1996-02-26
CN1067929A (en) 1993-01-13
CN1032375C (en) 1996-07-24
ES2082138T3 (en) 1996-03-16
ATE129023T1 (en) 1995-10-15
DE69113789D1 (en) 1995-11-16
EP0516899B1 (en) 1995-10-11
EP0516899A1 (en) 1992-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AIR WATER INC., SAPPORO, HOKKAIDO, JP