CH525287A - Method for increasing the hardness of a film formed on the surface of an alloy containing chromium - Google Patents

Method for increasing the hardness of a film formed on the surface of an alloy containing chromium

Info

Publication number
CH525287A
CH525287A CH761771A CH761771A CH525287A CH 525287 A CH525287 A CH 525287A CH 761771 A CH761771 A CH 761771A CH 761771 A CH761771 A CH 761771A CH 525287 A CH525287 A CH 525287A
Authority
CH
Switzerland
Prior art keywords
hardness
increasing
film formed
alloy containing
containing chromium
Prior art date
Application number
CH761771A
Other languages
French (fr)
Inventor
Christopher Hart Anthony
Original Assignee
Int Nickel Ltd
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 Int Nickel Ltd filed Critical Int Nickel Ltd
Publication of CH525287A publication Critical patent/CH525287A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/38—Chromatising
    • 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
    • C23C22/05—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 aqueous solutions
    • C23C22/06—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 aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—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 aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electroplating Methods And Accessories (AREA)
CH761771A 1970-05-26 1971-05-25 Method for increasing the hardness of a film formed on the surface of an alloy containing chromium CH525287A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2521570 1970-05-26
GB124571 1971-01-11

Publications (1)

Publication Number Publication Date
CH525287A true CH525287A (en) 1972-07-15

Family

ID=26236586

Family Applications (1)

Application Number Title Priority Date Filing Date
CH761771A CH525287A (en) 1970-05-26 1971-05-25 Method for increasing the hardness of a film formed on the surface of an alloy containing chromium

Country Status (13)

Country Link
US (2) US3755117A (en)
JP (1) JPS5331817B1 (en)
AT (1) AT304986B (en)
BE (1) BE767691A (en)
CA (2) CA1009605A (en)
CH (1) CH525287A (en)
DK (1) DK135855B (en)
ES (1) ES391488A1 (en)
FR (1) FR2090295B1 (en)
GB (1) GB1305636A (en)
NL (1) NL149556B (en)
NO (1) NO130239B (en)
SE (1) SE382079B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1569882A (en) * 1976-02-13 1980-06-25 Inco Europ Ltd Treatment of chromium-containing iron alloys
AU8386982A (en) * 1981-06-01 1982-12-09 Wiggin Alloys Ltd. Increasing absorptance of porous film on cr containing iron alloy
US4915799A (en) * 1986-02-21 1990-04-10 Kinki Yakuhin Industrial Co., Ltd. Electrolytic coloring method for chromium alloy
US4756874A (en) * 1986-12-22 1988-07-12 General Electric Company Minimization of radioactive material deposition in water-cooled nuclear reactors
US20050266130A1 (en) * 2004-05-28 2005-12-01 Henry Aoki Method for solidification and storing of components extracted from plant, animal, or mineral matter and extract components extracted from held plant, animal, or mineral matter
US20050287222A1 (en) * 2004-06-24 2005-12-29 Henry Aoki Method for producing water containing extracted ingredients from plant, animal, or mineral matter
EP1995355A1 (en) * 2006-10-24 2008-11-26 Wolf-Dieter Franz Greyish chromium surface
JP5030560B2 (en) * 2006-11-29 2012-09-19 クリナップ株式会社 Mirror cabinet
US8128994B1 (en) * 2008-09-30 2012-03-06 Taylor Made Golf Company, Inc. Method of applying decorative layers to a steel shaft
CN106435585B (en) * 2016-08-16 2019-07-12 深圳市诚达科技股份有限公司 A kind of surface C TS method for anti-corrosion treatment of stainless steel part

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA448565A (en) * 1948-05-18 The Coloron Corporation Electroplating
US1827247A (en) * 1927-10-18 1931-10-13 Western Electric Co Method of protecting metal surfaces
US1827204A (en) * 1927-10-18 1931-10-13 Western Electric Co Method of protecting metal surfaces
US1946151A (en) * 1931-06-20 1934-02-06 Aluminum Co Of America Protecting aluminum from corrosion
US2283171A (en) * 1938-06-30 1942-05-19 Allegheny Ludlum Steel Colored steel
US2219554A (en) * 1938-11-23 1940-10-29 Allegheny Ludlum Steel Coloration of stainless steel
US2172353A (en) * 1938-11-23 1939-09-12 Allegheny Ludlum Steel Coloration of stainless steel
US3081238A (en) * 1958-09-03 1963-03-12 Quaker Chem Corp Electrolytic treatment of metal surfaces
US3210220A (en) * 1962-07-30 1965-10-05 Norman E Clegg Process for coating stainless steel
GB1097197A (en) * 1965-11-05 1967-12-29 Int Nickel Ltd Colouring nickel-containing stainless steel
BE696034A (en) * 1966-03-26 1967-09-01
US3535213A (en) * 1967-12-20 1970-10-20 Yawata Seitetsu Kk Method of surface-treating metals

Also Published As

Publication number Publication date
FR2090295A1 (en) 1972-01-14
US3755117A (en) 1973-08-28
US3766023A (en) 1973-10-16
NO130239B (en) 1974-07-29
AT304986B (en) 1973-02-12
CA1008401A (en) 1977-04-12
DE2126129A1 (en) 1971-12-09
BE767691A (en) 1971-11-26
JPS5331817B1 (en) 1978-09-05
SE382079B (en) 1976-01-12
ES391488A1 (en) 1973-06-16
GB1305636A (en) 1973-02-07
NL149556B (en) 1976-05-17
NL7107126A (en) 1971-11-30
DK135855C (en) 1977-11-28
FR2090295B1 (en) 1975-01-17
CA1009605A (en) 1977-05-03
DK135855B (en) 1977-07-04
DE2126129B2 (en) 1976-08-05

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Legal Events

Date Code Title Description
PL Patent ceased