IT980485B - Procedimento per il trattamento di pezzi metallici ferrosi per aumen tarne la resistenza all usura ed al grippaggio - Google Patents

Procedimento per il trattamento di pezzi metallici ferrosi per aumen tarne la resistenza all usura ed al grippaggio

Info

Publication number
IT980485B
IT980485B IT67320/73A IT6732073A IT980485B IT 980485 B IT980485 B IT 980485B IT 67320/73 A IT67320/73 A IT 67320/73A IT 6732073 A IT6732073 A IT 6732073A IT 980485 B IT980485 B IT 980485B
Authority
IT
Italy
Prior art keywords
gripping
wear
procedure
resistance
treatment
Prior art date
Application number
IT67320/73A
Other languages
English (en)
Italian (it)
Original Assignee
Stephanois Rech Mec
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 FR7205498A external-priority patent/FR2171993A1/fr
Priority claimed from FR7242350A external-priority patent/FR2208004A1/fr
Priority claimed from FR7302212A external-priority patent/FR2214760A2/fr
Application filed by Stephanois Rech Mec filed Critical Stephanois Rech Mec
Application granted granted Critical
Publication of IT980485B publication Critical patent/IT980485B/it

Links

Classifications

    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/52—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 liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/52—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 liquids, e.g. salt baths, liquid suspensions more than one element being applied in one step
    • C23C8/54—Carbo-nitriding
    • 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
    • C23C8/40—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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/58—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 liquids, e.g. salt baths, liquid suspensions more than one element being applied in more than one step
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Chemical Treatment Of Metals (AREA)
IT67320/73A 1972-02-18 1973-02-12 Procedimento per il trattamento di pezzi metallici ferrosi per aumen tarne la resistenza all usura ed al grippaggio IT980485B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7205498A FR2171993A1 (en) 1972-02-18 1972-02-18 Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions
FR7242350A FR2208004A1 (en) 1972-11-29 1972-11-29 Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions
FR7302212A FR2214760A2 (en) 1973-01-23 1973-01-23 Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions

Publications (1)

Publication Number Publication Date
IT980485B true IT980485B (it) 1974-09-30

Family

ID=27249785

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67320/73A IT980485B (it) 1972-02-18 1973-02-12 Procedimento per il trattamento di pezzi metallici ferrosi per aumen tarne la resistenza all usura ed al grippaggio

Country Status (11)

Country Link
US (1) US3912547A (US07696358-20100413-C00002.png)
JP (1) JPS5317983B2 (US07696358-20100413-C00002.png)
AR (1) AR202385A1 (US07696358-20100413-C00002.png)
BE (1) BE795015A (US07696358-20100413-C00002.png)
CA (1) CA989714A (US07696358-20100413-C00002.png)
CH (1) CH565251A5 (US07696358-20100413-C00002.png)
DD (1) DD104814A5 (US07696358-20100413-C00002.png)
ES (1) ES411581A1 (US07696358-20100413-C00002.png)
GB (1) GB1424136A (US07696358-20100413-C00002.png)
IT (1) IT980485B (US07696358-20100413-C00002.png)
SE (1) SE400990B (US07696358-20100413-C00002.png)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019928A (en) * 1973-03-05 1977-04-26 Duetsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process for nitriding iron and steel in salt baths regenerated with triazine polymers
AT347994B (de) * 1974-03-21 1979-01-25 Daimler Benz Ag Verfahren zum nitrieren von metallen
GB1576143A (en) * 1977-07-20 1980-10-01 Brico Eng Sintered metal articles
US4268323A (en) * 1979-04-05 1981-05-19 Kolene Corp. Process for case hardening steel
JPS5714477A (en) * 1980-06-27 1982-01-25 Tokyo Electric Power Co Inc:The Aluminum cover welding method for electric power cable
US4756774A (en) * 1984-09-04 1988-07-12 Fox Steel Treating Co. Shallow case hardening and corrosion inhibition process
US5037491A (en) * 1986-02-28 1991-08-06 Fox Patrick L Shallow case hardening and corrosion inhibition process
FR2688517B1 (fr) * 1992-03-10 1994-06-03 Stephanois Rech Procede de phosphatation de pieces en acier, pour ameliorer leurs resistances a la corrosion et a l'usure.
FR2693520B1 (fr) * 1992-07-10 1994-09-30 Stephanois Rech Mec Coussinet pour articulations ou paliers fortement chargés, avec une garniture frettée en feuillard roulé.
FR2708623B1 (fr) * 1993-08-06 1995-10-20 Stephanois Rech Mec Procédé de nitruration de pièces en métal ferreux, à résistance améliorée à la corrosion.
US5576066A (en) * 1993-08-10 1996-11-19 Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement Method of improving the wear and corrosion resistance of ferrous metal parts
FR2715943B1 (fr) * 1994-02-09 1996-05-15 Stephanois Rech Mec Composition de bains de sels à base de nitrates alcalins pour oxyder du métal ferreux et ainsi améliorer sa résistance à la corrosion.
FR2731232B1 (fr) * 1995-03-01 1997-05-16 Stephanois Rech Procede de traitement de surfaces ferreuses soumises a des sollicitations elevees de frottement
FR2812888B1 (fr) * 2000-08-14 2003-09-05 Stephanois Rech Mec Procede de traitement superficiel de pieces mecaniques soumise a la fois a l'usure et a la corrosion
TW557330B (en) * 2000-11-29 2003-10-11 Parker Netsushori Kogyo Kk Improved salt bath nitrogenating method for corrosion-resistant iron material and iron units
US6746546B2 (en) * 2001-11-02 2004-06-08 Kolene Corporation Low temperature nitriding salt and method of use
CN103451595B (zh) * 2013-09-02 2015-09-23 中国科学院金属研究所 镁合金表面熔盐氧碳硫共渗耐腐蚀陶瓷涂层及制备和应用
CN106967945A (zh) * 2016-01-14 2017-07-21 杭州巨星科技股份有限公司 用于不锈钢的稀土-硫化物共催渗低温qpq组合物及不锈钢刀具的qpq工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041769A (en) * 1932-01-13 1936-05-26 John P Larkin Nitriding process
US2049806A (en) * 1933-03-10 1936-08-04 Du Pont Carburization of ferrous metals
US2254296A (en) * 1940-06-15 1941-09-02 Park Chem Co Casehardening salt bath
US2707159A (en) * 1947-02-19 1955-04-26 Lubri Case Inc Wear-resistant ferrous metal articles and their production
US2553865A (en) * 1950-03-11 1951-05-22 Newell Isaac Laird Case hardening composition
US2927875A (en) * 1957-06-26 1960-03-08 Degussa Process for carburizing and carboni-triding iron and steel
US3331708A (en) * 1964-03-23 1967-07-18 Thomas J Buitkus Electrolytic case hardening
US3303063A (en) * 1964-06-15 1967-02-07 Gen Motors Corp Liquid nitriding process using urea

Also Published As

Publication number Publication date
CH565251A5 (US07696358-20100413-C00002.png) 1975-08-15
ES411581A1 (es) 1976-05-01
SE400990B (sv) 1978-04-17
US3912547A (en) 1975-10-14
DE2307256B2 (de) 1977-04-14
JPS48103430A (US07696358-20100413-C00002.png) 1973-12-25
DE2307256A1 (de) 1973-08-23
AR202385A1 (es) 1975-06-06
DD104814A5 (US07696358-20100413-C00002.png) 1974-03-20
BE795015A (fr) 1973-05-29
CA989714A (en) 1976-05-25
GB1424136A (en) 1976-02-11
JPS5317983B2 (US07696358-20100413-C00002.png) 1978-06-12

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