GB1322008A - Corrosion resistance of decorative chromium electroplated objects - Google Patents

Corrosion resistance of decorative chromium electroplated objects

Info

Publication number
GB1322008A
GB1322008A GB4383870A GB1322008DA GB1322008A GB 1322008 A GB1322008 A GB 1322008A GB 4383870 A GB4383870 A GB 4383870A GB 1322008D A GB1322008D A GB 1322008DA GB 1322008 A GB1322008 A GB 1322008A
Authority
GB
United Kingdom
Prior art keywords
nickel
electro
corrosion resistance
chromium
particulate material
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
GB4383870A
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.)
Kewanee Oil Co
Original Assignee
Kewanee Oil Co
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 Kewanee Oil Co filed Critical Kewanee Oil Co
Publication of GB1322008A publication Critical patent/GB1322008A/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
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • 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
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
    • 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
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/623—Porosity of the layers
    • 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
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance

Abstract

1322008 Electro-deposition of porous chromium plate KEWANEE OIL CO 14 Sept 1970 43838/70 Heading C7B A method of improving the corrosion resistance of chromium electro-deposited on a nickel coating on a metal substrate includes impinging the nickel layer with solid particulate material with sufficient intensity to produce nicking of the nickel surface thereby forming at least 3000 micronicks/inch thereon but insufficient to decrease the brightness thereof, and thereafter electro-coating with a thin layer of chromium. The particulate material may be sand; lead, iron or nickel powder; polyethylene or polystyrene pellets; magnesium filings or glass beads.
GB4383870A 1970-09-14 1970-09-14 Corrosion resistance of decorative chromium electroplated objects Expired GB1322008A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4383870 1970-09-14
DE19702047685 DE2047685A1 (en) 1970-09-14 1970-09-28 Chrome plating

Publications (1)

Publication Number Publication Date
GB1322008A true GB1322008A (en) 1973-07-04

Family

ID=25759794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4383870A Expired GB1322008A (en) 1970-09-14 1970-09-14 Corrosion resistance of decorative chromium electroplated objects

Country Status (2)

Country Link
DE (1) DE2047685A1 (en)
GB (1) GB1322008A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696724A (en) * 1981-06-26 1987-09-29 Nisshin Steel Co., Ltd. Surface treatment of high-nickel/iron alloy steel plate for LNG or LPG tanks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4696724A (en) * 1981-06-26 1987-09-29 Nisshin Steel Co., Ltd. Surface treatment of high-nickel/iron alloy steel plate for LNG or LPG tanks

Also Published As

Publication number Publication date
DE2047685A1 (en) 1972-03-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees