GB1377079A - Electrolytic treatment of chromium-containing alloys and electrolytes for use therein - Google Patents

Electrolytic treatment of chromium-containing alloys and electrolytes for use therein

Info

Publication number
GB1377079A
GB1377079A GB4704772A GB4704772A GB1377079A GB 1377079 A GB1377079 A GB 1377079A GB 4704772 A GB4704772 A GB 4704772A GB 4704772 A GB4704772 A GB 4704772A GB 1377079 A GB1377079 A GB 1377079A
Authority
GB
United Kingdom
Prior art keywords
chromium
treatment
electrolytes
pores
oct
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
GB4704772A
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.)
Inco Ltd
Original Assignee
Inco 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
Priority to BE790910D priority Critical patent/BE790910A/en
Application filed by Inco Ltd filed Critical Inco Ltd
Priority to GB4704772A priority patent/GB1377079A/en
Priority to AU48131/72A priority patent/AU467402B2/en
Priority to NL727214661A priority patent/NL152608B/en
Priority to IL40708A priority patent/IL40708A0/en
Priority to LU66396A priority patent/LU66396A1/xx
Priority to IT7253721A priority patent/IT969500B/en
Priority to CH1597772A priority patent/CH561292A5/xx
Priority to JP11066372A priority patent/JPS5429980B2/ja
Priority to FR7238845A priority patent/FR2158470B1/fr
Priority to DE19722253697 priority patent/DE2253697C3/en
Priority to DE19722265068 priority patent/DE2265068C3/en
Priority to SE7214190A priority patent/SE405260B/en
Priority to AT937872A priority patent/AT319686B/en
Publication of GB1377079A publication Critical patent/GB1377079A/en
Expired legal-status Critical Current

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
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C25D9/10—Electrolytic coating other than with metals with inorganic materials by cathodic processes on iron or steel

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electrochemical Coating By Surface Reaction (AREA)

Abstract

1377079 Electrolytic hardening of porous films on Fe-Cr surfaces INTERNATIONAL NICKEL Ltd 27 Oct 1972 [3 Nov 1971 12 Oct 1972] 51164/71 and 47047/72 Heading C7B The hardness of a porous film formed on the surface of a chromium containing iron alloy, e.g. stainless steel, by treatment in an aqueous solution of chromic and sulphuric acids is increased by electrodeposition of an oxide deposit in the pores thereof by cathodic reduction of ions derived from a soluble salt containing a metallic element, e.g. Al, Ti, V, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Sn or Si, present in the electrolyte and/or a rise in pH in the pores brought about by the electrolysis; the conditions of treatment being such that no oxide deposit is formed on the surface of the porous film.
GB4704772A 1971-11-03 1972-10-12 Electrolytic treatment of chromium-containing alloys and electrolytes for use therein Expired GB1377079A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
BE790910D BE790910A (en) 1971-11-03 ELECTROLYTIC TREATMENT OF ALLOYS CONTAINING CHROME AND ELECTROLYTES USED FOR THIS PURPOSE
GB4704772A GB1377079A (en) 1971-11-03 1972-10-12 Electrolytic treatment of chromium-containing alloys and electrolytes for use therein
AU48131/72A AU467402B2 (en) 1971-11-03 1972-10-25 Electrolytic treatment of chromium-containing alloys and electrolytes for use therein
NL727214661A NL152608B (en) 1971-11-03 1972-10-30 PROCESS FOR INCREASING THE HARDNESS OF A POROUS LAYER FORMED ON THE SURFACE OF AN ANTI-CORROSION RESISTANT CHROME-CONTAINING IRON ALLOY, PROCESS FOR PREPARATION OF AN ELECTROLYTE OR CONSTITUTED FOR USE FOR THIS WORK, OR COMPOSED IN THIS WORK RESISTANT CHROME-CONTAINING IRON ALLOY, TREATED ACCORDING TO THE PROCESS.
IL40708A IL40708A0 (en) 1971-11-03 1972-10-31 Electrolytic treatment of chromium-containing alloys and electrolytes for use therein
LU66396A LU66396A1 (en) 1971-11-03 1972-10-31
IT7253721A IT969500B (en) 1971-11-03 1972-10-31 METHOD TO TREAT ALLOYS CONTAINING CHROME AND ELETYROLITE TO MAKE IT
CH1597772A CH561292A5 (en) 1971-11-03 1972-11-02
JP11066372A JPS5429980B2 (en) 1971-11-03 1972-11-02
FR7238845A FR2158470B1 (en) 1971-11-03 1972-11-02
DE19722253697 DE2253697C3 (en) 1971-11-03 1972-11-02 Process for increasing the hardness of a porous coating on corrosion-resistant chromium-iron alloys
DE19722265068 DE2265068C3 (en) 1971-11-03 1972-11-02 Application of the cathodic post-treatment of electrolytically chromated chromium alloys
SE7214190A SE405260B (en) 1971-11-03 1972-11-02 SET AND ELECTROLYTE TO INCREASE THE HARDNESS OF A POROS MOVIE, FORMED ON THE SURFACE OF A CORROSION-RESISTANT, CHROME-OVER IRON ALLOY
AT937872A AT319686B (en) 1971-11-03 1972-11-03 Process for improving the hardness of a chromium-containing steel alloy and electrolyte for carrying out this process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5116471 1971-11-03
GB4704772A GB1377079A (en) 1971-11-03 1972-10-12 Electrolytic treatment of chromium-containing alloys and electrolytes for use therein

Publications (1)

Publication Number Publication Date
GB1377079A true GB1377079A (en) 1974-12-11

Family

ID=26265955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4704772A Expired GB1377079A (en) 1971-11-03 1972-10-12 Electrolytic treatment of chromium-containing alloys and electrolytes for use therein

Country Status (12)

Country Link
JP (1) JPS5429980B2 (en)
AT (1) AT319686B (en)
AU (1) AU467402B2 (en)
BE (1) BE790910A (en)
CH (1) CH561292A5 (en)
FR (1) FR2158470B1 (en)
GB (1) GB1377079A (en)
IL (1) IL40708A0 (en)
IT (1) IT969500B (en)
LU (1) LU66396A1 (en)
NL (1) NL152608B (en)
SE (1) SE405260B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305795A (en) * 1981-01-08 1981-12-15 Rca Corporation Method for the manufacture of stampers
EP0067567A2 (en) * 1981-06-01 1982-12-22 Wiggin Alloys Limited Selective solar surfaces
CN108474130A (en) * 2016-01-12 2018-08-31 杰富意钢铁株式会社 Surface has the stainless steel plate and its manufacturing method of the overlay film containing Ni and O

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305795A (en) * 1981-01-08 1981-12-15 Rca Corporation Method for the manufacture of stampers
EP0067567A2 (en) * 1981-06-01 1982-12-22 Wiggin Alloys Limited Selective solar surfaces
EP0067567A3 (en) * 1981-06-01 1984-04-11 Wiggin Alloys Limited Selective solar surfaces
US4518467A (en) * 1981-06-01 1985-05-21 Inco Selective Surfaces Limited Selective solar surfaces
CN108474130A (en) * 2016-01-12 2018-08-31 杰富意钢铁株式会社 Surface has the stainless steel plate and its manufacturing method of the overlay film containing Ni and O
EP3404128A4 (en) * 2016-01-12 2019-01-09 JFE Steel Corporation STAINLESS STEEL SHEET HAVING Ni- AND O-CONTAINING COATING FILM ON SURFACE AND METHOD FOR PRODUCING SAME
CN108474130B (en) * 2016-01-12 2020-05-05 杰富意钢铁株式会社 Stainless steel sheet having Ni-and O-containing coating film on surface thereof and method for producing same
US10988853B2 (en) 2016-01-12 2021-04-27 Jfe Steel Corporation Stainless steel sheet including Ni and O-containing coating on surface and method for producing stainless steel sheet

Also Published As

Publication number Publication date
FR2158470A1 (en) 1973-06-15
BE790910A (en) 1973-05-03
AU4813172A (en) 1974-04-26
IT969500B (en) 1974-03-30
JPS4853938A (en) 1973-07-28
CH561292A5 (en) 1975-04-30
SE405260B (en) 1978-11-27
JPS5429980B2 (en) 1979-09-27
DE2253697B2 (en) 1976-10-21
NL7214661A (en) 1973-05-07
FR2158470B1 (en) 1976-06-04
AT319686B (en) 1975-01-10
IL40708A0 (en) 1972-12-29
AU467402B2 (en) 1975-11-27
NL152608B (en) 1977-03-15
DE2253697A1 (en) 1973-05-10
LU66396A1 (en) 1973-05-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years