CA2129162A1 - Procede pour ameliorer la resistance a l'usure et a la corrosion de pieces en metaux ferreux - Google Patents

Procede pour ameliorer la resistance a l'usure et a la corrosion de pieces en metaux ferreux

Info

Publication number
CA2129162A1
CA2129162A1 CA2129162A CA2129162A CA2129162A1 CA 2129162 A1 CA2129162 A1 CA 2129162A1 CA 2129162 A CA2129162 A CA 2129162A CA 2129162 A CA2129162 A CA 2129162A CA 2129162 A1 CA2129162 A1 CA 2129162A1
Authority
CA
Canada
Prior art keywords
salts
oxygenated
corrosion resistance
ferrous metal
metal pieces
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.)
Granted
Application number
CA2129162A
Other languages
English (en)
Other versions
CA2129162C (fr
Inventor
Jean Polti
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.)
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2129162A1 publication Critical patent/CA2129162A1/fr
Application granted granted Critical
Publication of CA2129162C publication Critical patent/CA2129162C/fr
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
    • C23C8/40—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
    • C23C8/42—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 only one element being applied
    • C23C8/48—Nitriding
    • C23C8/50—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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/70—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using melts
    • C23C22/72—Treatment of iron or alloys based thereon
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Powder Metallurgy (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Luminescent Compositions (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Coating With Molten Metal (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Le procédé consiste à immerger les pièces ayant subi au préalable une diffusion thermochimique du type soit nitruration, soit sulfonitruration, soit carbonitruration, dans un bain de sels fondus composé de carbonates, nitrates, hydroxydes, ainsi que sels oxygénés de métaux alcalins, les quantités relatives pondérales anioniques de carbonates, nitrates et hydroxydes, exprimées pour des sels de sodium et correspondant à la phase active c'est-à-dire liquide du bain, étant les suivantes:
11 < CO2- < 23 19 < NO3- < 3 7 6 < OH- < 19 tandis que la quantité pondérale de sels oxygénés de métaux alcalins, exprimée en équivalent Cr2O7 2- est la suivante:
0,05 < anions oxygénés < 0,5.
Ce procédé permet de garantir un degré élevé de reproductibilité des résultats quel que soit le type de pièces traitées.
CA002129162A 1993-08-10 1994-07-29 Procede pour ameliorer la resistance a l'usure et a la corrosion de pieces en metaux ferreux Expired - Lifetime CA2129162C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9309814 1993-08-10
FR9309814A FR2708941B1 (fr) 1993-08-10 1993-08-10 Procédé pour améliorer la résistance à l'usure et à la corrosion de pièces en métaux ferreux.

Publications (2)

Publication Number Publication Date
CA2129162A1 true CA2129162A1 (fr) 1995-02-11
CA2129162C CA2129162C (fr) 2000-12-12

Family

ID=9450082

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002129162A Expired - Lifetime CA2129162C (fr) 1993-08-10 1994-07-29 Procede pour ameliorer la resistance a l'usure et a la corrosion de pieces en metaux ferreux

Country Status (13)

Country Link
EP (1) EP0638661B1 (fr)
JP (1) JP3083453B2 (fr)
KR (1) KR100273924B1 (fr)
CN (1) CN1054891C (fr)
AT (1) ATE148178T1 (fr)
BR (1) BR9403101A (fr)
CA (1) CA2129162C (fr)
DE (1) DE69401551T2 (fr)
ES (1) ES2097012T3 (fr)
FR (1) FR2708941B1 (fr)
MY (1) MY111901A (fr)
PL (1) PL177228B1 (fr)
TW (1) TW259815B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731232B1 (fr) * 1995-03-01 1997-05-16 Stephanois Rech Procede de traitement de surfaces ferreuses soumises a des sollicitations elevees de frottement
JP4487340B2 (ja) 1999-07-21 2010-06-23 日本精工株式会社 転がり軸受用保持器の製造方法
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
DE10124933A1 (de) * 2001-05-21 2002-11-28 Endress & Hauser Gmbh & Co Kg Anordnung aus einem metallischen Deckel und einem metallischem Gehäuse eines Meßgerätes und Verfahren zu deren Herstellung
EP2757423B1 (fr) * 2013-01-17 2018-07-11 Omega SA Pièce pour mouvement d'horlogerie
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
CN113897579A (zh) * 2021-09-30 2022-01-07 成都工具研究所有限公司 一种316l不锈钢工件低温qpq处理工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639244A (en) * 1950-07-15 1953-05-19 Remington Arms Co Inc Metal finishing method
DE2934113C2 (de) * 1979-08-23 1985-05-09 Degussa Ag, 6000 Frankfurt Verfahren zur Erhöhung der Korrosionsbeständigkeit nitrierter Bauteile aus Eisenwerkstoffen
FR2525637B1 (fr) * 1982-04-23 1986-05-09 Stephanois Rech Mec Procede de traitement de pieces en metal ferreux en bain de sels oxydant, pour ameliorer leur resistance a la corrosion, les pieces contenant du soufre
JPH0234793A (ja) * 1988-07-26 1990-02-05 Kobe Steel Ltd スケール密着性の優れた加工用高強度熱延鋼板の製造方法
FR2672059B1 (fr) * 1991-01-30 1995-04-28 Stephanois Rech Mec Procede pour conferer a des pieces en metal ferreux, nitrurees puis oxydees, une excellente resistance a la corrosion tout en conservant les proprietes acquises de friction.

Also Published As

Publication number Publication date
ES2097012T3 (es) 1997-03-16
DE69401551T2 (de) 1997-07-03
FR2708941A1 (fr) 1995-02-17
FR2708941B1 (fr) 1995-10-27
MY111901A (en) 2001-02-28
PL177228B1 (pl) 1999-10-29
ATE148178T1 (de) 1997-02-15
CN1054891C (zh) 2000-07-26
DE69401551D1 (de) 1997-03-06
TW259815B (fr) 1995-10-11
KR950006020A (ko) 1995-03-20
PL304595A1 (en) 1995-02-20
JP3083453B2 (ja) 2000-09-04
KR100273924B1 (ko) 2000-12-15
JPH0776766A (ja) 1995-03-20
CA2129162C (fr) 2000-12-12
EP0638661B1 (fr) 1997-01-22
BR9403101A (pt) 1995-04-11
CN1101684A (zh) 1995-04-19
EP0638661A1 (fr) 1995-02-15

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Effective date: 20140729