BR8302057A - Processo de tratamento para melhorar a resistencia a corrosao de pecas em metal ferroso - Google Patents

Processo de tratamento para melhorar a resistencia a corrosao de pecas em metal ferroso

Info

Publication number
BR8302057A
BR8302057A BR8302057A BR8302057A BR8302057A BR 8302057 A BR8302057 A BR 8302057A BR 8302057 A BR8302057 A BR 8302057A BR 8302057 A BR8302057 A BR 8302057A BR 8302057 A BR8302057 A BR 8302057A
Authority
BR
Brazil
Prior art keywords
corrosion
pieces
treatment process
ferrous metal
improve resistance
Prior art date
Application number
BR8302057A
Other languages
English (en)
Inventor
Bernard Grellet
Jean-Pierre Emmanuel
Bernard Sipp
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
Application filed by Stephanois Rech Mec filed Critical Stephanois Rech Mec
Publication of BR8302057A publication Critical patent/BR8302057A/pt

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR8302057A 1982-04-23 1983-04-20 Processo de tratamento para melhorar a resistencia a corrosao de pecas em metal ferroso BR8302057A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8207008A FR2525637B1 (fr) 1982-04-23 1982-04-23 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

Publications (1)

Publication Number Publication Date
BR8302057A true BR8302057A (pt) 1983-12-27

Family

ID=9273306

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8302057A BR8302057A (pt) 1982-04-23 1983-04-20 Processo de tratamento para melhorar a resistencia a corrosao de pecas em metal ferroso

Country Status (8)

Country Link
US (1) US4448611A (pt)
JP (1) JPS58197283A (pt)
BR (1) BR8302057A (pt)
DE (1) DE3314708A1 (pt)
ES (1) ES8402622A1 (pt)
FR (1) FR2525637B1 (pt)
GB (1) GB2120682B (pt)
IT (1) IT1161170B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2561667B1 (fr) * 1984-03-20 1986-09-12 Stephanois Rech Mec Procede de traitement au bain de sels, en vue d'ameliorer la resistance a la corrosion, de pieces en metal ferreux qui ont subi un traitement thermochimique prealable
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
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.
US5272798A (en) * 1992-08-05 1993-12-28 Kolene Corporation Method and apparatus for descaling metal strip
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
FR2708941B1 (fr) * 1993-08-10 1995-10-27 Stephanois Rech Mec Procédé pour améliorer la résistance à l'usure et à la corrosion de pièces en métaux ferreux.
EP0663455B1 (de) * 1994-01-13 1999-11-17 Houghton Durferrit GmbH Filtereinheit und Vorrichtung zum Entschlammen von Salzbädern
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.
WO1996034127A1 (fr) * 1995-04-28 1996-10-31 Centre Stephanois De Recherches Mecaniques Hydromecanique Et Frottement Compositions de bains de sels a base de nitrates alcalins pour oxyder du metal ferreux et ainsi ameliorer sa resistance a la corrosion
US6117249A (en) * 1998-02-13 2000-09-12 Kerk Motion Products, Inc. Treating metallic machine parts
US6475289B2 (en) 2000-12-19 2002-11-05 Howmet Research Corporation Cleaning of internal passages of airfoils
US7521153B2 (en) * 2004-03-16 2009-04-21 Toyota Motor Engineering & Manufacturing North America, Inc. Corrosion protection using protected electron collector
US7468224B2 (en) * 2004-03-16 2008-12-23 Toyota Motor Engineering & Manufacturing North America, Inc. Battery having improved positive electrode and method of manufacturing the same
US7348102B2 (en) * 2004-03-16 2008-03-25 Toyota Motor Corporation Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte
US9133382B2 (en) * 2012-04-10 2015-09-15 Basf Se Nitrate salt compositions comprising alkali metal carbonate and their use as heat transfer medium or heat storage medium
US10011754B2 (en) 2013-01-23 2018-07-03 Basf Se Method of improving nitrate salt compositions by means of nitric acid for use as heat transfer medium or heat storage medium
WO2018175233A1 (en) * 2017-03-19 2018-09-27 Purdue Research Foundation Methods and materials systems for enhancing corrosion resistance of solid materials and corrosion resistant devices made therefrom
CN111763907A (zh) * 2020-08-12 2020-10-13 北京天仁道和新材料有限公司 一种用于金属工件表面处理的盐浴渗氮剂及金属工件表面处理方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2271375A (en) * 1935-08-13 1942-01-27 Rust Proofing Company Process of coating metal surfaces
BE420964A (pt) * 1936-06-03
US2394899A (en) * 1942-12-31 1946-02-12 American Rolling Mill Co Stainless steel and method of coating same
BE476664A (pt) * 1944-06-02
US2537035A (en) * 1945-05-29 1951-01-09 Armco Steel Corp Method of coating stainless steel
US2479979A (en) * 1945-07-25 1949-08-23 Hooker Electrochemical Co Processes for treating ferrous metals before drawing through dies
GB761541A (en) * 1953-01-28 1956-11-14 Ver Deutsche Metallwerke Ag Method of working up semi-finished products, particularly wires, tubes, rods, bands, sheets, and other sections, and also shaped parts
US3847685A (en) * 1970-02-11 1974-11-12 Texas Instruments Inc Oxide coated metal discs and method of making the same
US3915759A (en) * 1974-01-08 1975-10-28 Coral Chemical Co Black oxide coating for stainless steels
DE2514398C2 (de) * 1975-04-02 1984-04-05 Degussa Ag, 6000 Frankfurt Salzbad zur Abschreckung badnitrierter Bauteile
DE2934113C2 (de) * 1979-08-23 1985-05-09 Degussa Ag, 6000 Frankfurt Verfahren zur Erhöhung der Korrosionsbeständigkeit nitrierter Bauteile aus Eisenwerkstoffen

Also Published As

Publication number Publication date
IT8320759A0 (it) 1983-04-22
ES521761A0 (es) 1984-02-01
JPS58197283A (ja) 1983-11-16
GB2120682A (en) 1983-12-07
FR2525637A1 (fr) 1983-10-28
ES8402622A1 (es) 1984-02-01
GB8310530D0 (en) 1983-05-25
US4448611A (en) 1984-05-15
JPH0427295B2 (pt) 1992-05-11
DE3314708C2 (pt) 1987-10-22
IT8320759A1 (it) 1984-10-22
FR2525637B1 (fr) 1986-05-09
IT1161170B (it) 1987-03-11
DE3314708A1 (de) 1983-10-27
GB2120682B (en) 1985-12-18

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 20/04/98

B15K Others concerning applications: alteration of classification

Ipc: C23C 22/72 (2006.01)