IT983006B - Procedimento per la nitrurazione a gas di acciai non legati e le gati in due stadi - Google Patents

Procedimento per la nitrurazione a gas di acciai non legati e le gati in due stadi

Info

Publication number
IT983006B
IT983006B IT49347/73A IT4934773A IT983006B IT 983006 B IT983006 B IT 983006B IT 49347/73 A IT49347/73 A IT 49347/73A IT 4934773 A IT4934773 A IT 4934773A IT 983006 B IT983006 B IT 983006B
Authority
IT
Italy
Prior art keywords
nitruring
gati
stages
procedure
gas
Prior art date
Application number
IT49347/73A
Other languages
English (en)
Original Assignee
Zahnradfabrik Friedrichshafen
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
Priority claimed from DE19722221169 external-priority patent/DE2221169C3/de
Application filed by Zahnradfabrik Friedrichshafen filed Critical Zahnradfabrik Friedrichshafen
Application granted granted Critical
Publication of IT983006B publication Critical patent/IT983006B/it

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
    • C23C8/06—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
    • 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

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)
IT49347/73A 1972-04-29 1973-04-10 Procedimento per la nitrurazione a gas di acciai non legati e le gati in due stadi IT983006B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722221169 DE2221169C3 (de) 1972-04-29 Verfahren zum Gasnitrieren von Werkstücken aus vorzugsweise unlegierten und niedrig legierten Stählen

Publications (1)

Publication Number Publication Date
IT983006B true IT983006B (it) 1974-10-31

Family

ID=5843668

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49347/73A IT983006B (it) 1972-04-29 1973-04-10 Procedimento per la nitrurazione a gas di acciai non legati e le gati in due stadi

Country Status (4)

Country Link
US (1) US3870572A (it)
JP (1) JPS4948528A (it)
FR (1) FR2182991B3 (it)
IT (1) IT983006B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035203A (en) * 1973-12-21 1977-07-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for the heat-treatment of steel and for the control of said treatment
SU679154A3 (ru) * 1974-06-17 1979-08-05 Мицубиси Дзюкогио Кабусики Кайся (Фирма) Способ химико-термической обработки металлов
US4108693A (en) * 1974-12-19 1978-08-22 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for the heat-treatment of steel and for the control of said treatment
US3998666A (en) * 1975-07-30 1976-12-21 United States Steel Corporation Subscale reaction strengthening of low carbon ferrous metal stock
US4264380A (en) * 1979-11-16 1981-04-28 General Electric Company Nitride casehardening process and the nitrided product thereof
DE3017531A1 (de) * 1980-05-08 1981-11-12 Kali-Chemie Ag, 3000 Hannover Verfahren zur verbesserung der thermischen stabilitaet von fluor-chlor-kohlenwasserstoffen
DE68921722T2 (de) * 1988-12-27 1995-09-07 Mitsubishi Chem Corp Verfahren zur Herstellung von DL-Serin, und Verfahren zu dessen Trennung und Reinigung.
WO1992000397A1 (en) * 1990-06-22 1992-01-09 Evgeny Viktorovich Skidanov Method for gas nitriding of alloyed steel articles
JPH05148612A (ja) * 1991-11-25 1993-06-15 Nippon Piston Ring Co Ltd ピストンリングの製造方法
US5298091A (en) * 1991-12-20 1994-03-29 United Technologies Corporation Inhibiting coke formation by heat treating in nitrogen atmosphere
US5254183A (en) * 1991-12-20 1993-10-19 United Techynologies Corporation Gas turbine elements with coke resistant surfaces
US7556699B2 (en) * 2004-06-17 2009-07-07 Cooper Clark Vantine Method of plasma nitriding of metals via nitrogen charging
CN102719829B (zh) * 2012-02-02 2013-09-25 山东常林机械集团股份有限公司 一种球墨铸铁液压件表面硬化氮化热处理工艺
FR3028530B1 (fr) * 2014-11-14 2020-10-23 Peugeot Citroen Automobiles Sa Procede et installation de carbonitruration de piece(s) en acier sous basse pression et haute temperature

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1965798A (en) * 1930-02-26 1934-07-10 Electro Metallurg Co Nitriding
US2472320A (en) * 1941-02-05 1949-06-07 Ford Motor Co Method of heat-treating steel

Also Published As

Publication number Publication date
US3870572A (en) 1975-03-11
DE2221169A1 (de) 1973-11-08
FR2182991A1 (it) 1973-12-14
DE2221169B2 (de) 1976-09-30
JPS4948528A (it) 1974-05-10
FR2182991B3 (it) 1976-04-09

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