GB532878A - Improved method of producing coloured corrosion-resistant coatings upon articles of magnesium or its alloys - Google Patents

Improved method of producing coloured corrosion-resistant coatings upon articles of magnesium or its alloys

Info

Publication number
GB532878A
GB532878A GB21733/39A GB2173339A GB532878A GB 532878 A GB532878 A GB 532878A GB 21733/39 A GB21733/39 A GB 21733/39A GB 2173339 A GB2173339 A GB 2173339A GB 532878 A GB532878 A GB 532878A
Authority
GB
United Kingdom
Prior art keywords
per cent
magnesium
alloys
articles
manganese
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
GB21733/39A
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of GB532878A publication Critical patent/GB532878A/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
    • 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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8

Abstract

532,878. Coating, magnesium and its alloys. DOW CHEMICAL CO. July 26, 1939, No. 21733, Convention date, Aug. 12, 1938. [Classes 82 (i) and 82 (ii)] A coloured corrosive-resisting coating is produced on articles of magnesium or its alloys by treating the articles with an aqueous solution of a soluble base of an alkali or alkaline earth metal and a dye soluble in the solution under pressure of 20-400 lb. per sq. inch above the boiling point and between 110‹C. and 250‹C. Alkali hydroxides or carbonates are referred to and in example the solution contains 2-20 per cent. of sodium hydroxide, lithium hydroxide or sodium carbonate and 0.1-0.5 of a soluble dye and the temperature used 110-250‹C. Examples of alloys which are treated are (1) 6 per cent. of aluminium, 0.2 per cent. of manganese and 3 per cent. of zinc, rest magnesium, (2) 6 per cent. of aluminium, 0.2 per cent. of manganese, rest magnesium, (3) 6.5 per cent. of aluminium, 0.2 per cent. of manganese, 0.7 per cent. of zinc, rest magnesium.
GB21733/39A 1938-08-12 1939-07-26 Improved method of producing coloured corrosion-resistant coatings upon articles of magnesium or its alloys Expired GB532878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US532878XA 1938-08-12 1938-08-12

Publications (1)

Publication Number Publication Date
GB532878A true GB532878A (en) 1941-02-03

Family

ID=21983167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21733/39A Expired GB532878A (en) 1938-08-12 1939-07-26 Improved method of producing coloured corrosion-resistant coatings upon articles of magnesium or its alloys

Country Status (1)

Country Link
GB (1) GB532878A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1314796A2 (en) * 2001-11-21 2003-05-28 Chiyoda Chemical Co. Ltd Surface treatment method of metal member, and metal goods
CN105849314A (en) * 2013-12-26 2016-08-10 Posco公司 Color-treated base material and base material color treatment method therefor
CN105849316A (en) * 2013-12-26 2016-08-10 Posco公司 Substrate treated with color development, and substrate color development treatment method for same

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1314796A2 (en) * 2001-11-21 2003-05-28 Chiyoda Chemical Co. Ltd Surface treatment method of metal member, and metal goods
CN105849314A (en) * 2013-12-26 2016-08-10 Posco公司 Color-treated base material and base material color treatment method therefor
CN105849316A (en) * 2013-12-26 2016-08-10 Posco公司 Substrate treated with color development, and substrate color development treatment method for same
CN105849315A (en) * 2013-12-26 2016-08-10 Posco公司 Color-treated base material and base material color treatment method therefor
CN105874100A (en) * 2013-12-26 2016-08-17 Posco公司 Surface-treated substrate and substrate surface treatment method for same
US20160326655A1 (en) * 2013-12-26 2016-11-10 Posco Substrate treated with color development, and substrate color development treatment method for same
EP3088562A4 (en) * 2013-12-26 2017-03-08 Posco Color-treated base material and base material color treatment method therefor
EP3088566A4 (en) * 2013-12-26 2017-03-08 Posco Substrate treated with color development, and substrate color development treatment method for same
EP3088564A4 (en) * 2013-12-26 2017-03-08 Posco Color-treated base material and base material color treatment method therefor
EP3088563A4 (en) * 2013-12-26 2017-03-08 Posco Surface-treated substrate and substrate surface treatment method for same
EP3088565A4 (en) * 2013-12-26 2017-03-08 Posco Substrate treated with color development, and substrate color development treatment method for same
CN105849316B (en) * 2013-12-26 2018-06-12 Posco公司 The base material of color development treatment and the base material color development treatment method for it
CN105849314B (en) * 2013-12-26 2018-06-26 Posco公司 Base material by color development treatment and the color development treatment method for its base material
CN105849315B (en) * 2013-12-26 2018-09-21 Posco公司 The base material of color development treatment and base material color development treatment method for it
CN105874100B (en) * 2013-12-26 2018-09-21 Posco公司 The base material of surface treatment and method for treating surface of base for it

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