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FR940951A - Process for preparing objects with a cracked surface by electroplating chromium - Google Patents

Process for preparing objects with a cracked surface by electroplating chromium

Info

Publication number
FR940951A
FR940951A FR940951DA FR940951A FR 940951 A FR940951 A FR 940951A FR 940951D A FR940951D A FR 940951DA FR 940951 A FR940951 A FR 940951A
Authority
FR
France
Prior art keywords
cracked surface
electroplating chromium
preparing objects
preparing
objects
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.)
Expired
Application number
Other languages
French (fr)
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.)
United Chromium Inc
Original Assignee
United Chromium Inc
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 United Chromium Inc filed Critical United Chromium Inc
Application granted granted Critical
Publication of FR940951A publication Critical patent/FR940951A/en
Expired 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
    • 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
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/26—Acidic compositions for etching refractory metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electroplating Methods And Accessories (AREA)
FR940951D 1944-08-25 1945-11-10 Process for preparing objects with a cracked surface by electroplating chromium Expired FR940951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US551259A US2450296A (en) 1944-08-25 1944-08-25 Method of producing articles having fissured chromium surface electrodeposits

Publications (1)

Publication Number Publication Date
FR940951A true FR940951A (en) 1948-12-29

Family

ID=24200511

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940951D Expired FR940951A (en) 1944-08-25 1945-11-10 Process for preparing objects with a cracked surface by electroplating chromium

Country Status (4)

Country Link
US (1) US2450296A (en)
CH (1) CH262807A (en)
FR (1) FR940951A (en)
GB (1) GB601065A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830015A (en) * 1955-06-17 1958-04-08 Superior Plating Company Chromium electrodeposit and method of plating
US2800438A (en) * 1955-07-26 1957-07-23 Metal & Thermit Corp Chromium plating
US2800437A (en) * 1955-07-26 1957-07-23 Metal & Thermit Corp Chromium plating
US2800436A (en) * 1955-07-26 1957-07-23 Metal & Thermit Corp Method of chromium plating
US3205153A (en) * 1962-05-21 1965-09-07 Chandler Evans Inc Process and product of chrome plating nitrided steel
US4065365A (en) * 1975-03-18 1977-12-27 Aplicaciones Industriales De Cromo Duro, S.A. Method for improving frictional surface in cylinders or sleeves of internal combustion engines
US4094749A (en) * 1976-07-06 1978-06-13 Tools For Bending, Inc. Surface treatment with durable low-friction material
DE2752722C2 (en) * 1977-11-25 1982-09-30 Tools for Bending, Inc., Denver, Col. Process for coating a metal surface with a perfluorocarbon resin
CA1319301C (en) * 1984-09-06 1993-06-22 Joseph V. Gary Finish for cylinder liners

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1745912A (en) * 1923-05-03 1930-02-04 Westinghouse Lamp Co Chromium-coated wire and method of manufacture
US1802463A (en) * 1925-09-19 1931-04-28 Chemical Treat Company Inc Process of producing chromium-plated articles with mirrorlike, scratchfinish, or the like surfaces
US1838273A (en) * 1927-12-24 1931-12-29 Westinghouse Electric & Mfg Co Method of producing chromium plated tools
GB401933A (en) * 1933-02-21 1933-11-23 Henderik Van Der Horst A new or improved method of providing a hard wearing surface in the cylinder bores of internal combustion engines
NL57383C (en) * 1938-09-03
US2430750A (en) * 1944-07-18 1947-11-11 United Chromium Inc Method of electroplating to produce fissure network chromium plating

Also Published As

Publication number Publication date
GB601065A (en) 1948-04-27
CH262807A (en) 1949-07-31
US2450296A (en) 1948-09-28

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