JPS55152196A - Treatment for aluminum surface - Google Patents

Treatment for aluminum surface

Info

Publication number
JPS55152196A
JPS55152196A JP5981379A JP5981379A JPS55152196A JP S55152196 A JPS55152196 A JP S55152196A JP 5981379 A JP5981379 A JP 5981379A JP 5981379 A JP5981379 A JP 5981379A JP S55152196 A JPS55152196 A JP S55152196A
Authority
JP
Japan
Prior art keywords
patterned
substrate
treatment
pretreated
different color
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.)
Pending
Application number
JP5981379A
Other languages
Japanese (ja)
Inventor
Katsuo Shima
Isao Shima
Daiji Inaba
Yasuharu Ikeda
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.)
Sankyo Aluminium Industry Co Ltd
Original Assignee
Sankyo Aluminium Industry Co 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 Sankyo Aluminium Industry Co Ltd filed Critical Sankyo Aluminium Industry Co Ltd
Priority to JP5981379A priority Critical patent/JPS55152196A/en
Publication of JPS55152196A publication Critical patent/JPS55152196A/en
Pending legal-status Critical Current

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Landscapes

  • Electrochemical Coating By Surface Reaction (AREA)

Abstract

PURPOSE: To form the colored layer having different color modes by a method wherein Al substrate is pretreated, patterned, treated with anodizing is subject to electrolytic treatment in aqueous acid solution, and then undergoes an electrolytic coloring treatment in aqueous metal salt solution.
CONSTITUTION: The Al (alloy) substrate is pretreated with degreasing, etching, smut removal, etc. whereby in any of the above processes, the substrate is patterned by use of AC electolysis, local current passing, thermal treatment, masking, etc. Then, the substrate is conventionally anodized thereby forming porous oxide layer, then is electrolytically treated in aqueous acid solution to form structural differences of fine pores between the patterned and other areas. The so formed fine pore structural differences bring out differences in quantity of adsorption of metal salts precipitated in the following process of electrolytic coloring. As a result, the patterned and other areas appear in completely different color, giving multiple variations in the surface appearance.
COPYRIGHT: (C)1980,JPO&Japio
JP5981379A 1979-05-16 1979-05-16 Treatment for aluminum surface Pending JPS55152196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5981379A JPS55152196A (en) 1979-05-16 1979-05-16 Treatment for aluminum surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5981379A JPS55152196A (en) 1979-05-16 1979-05-16 Treatment for aluminum surface

Publications (1)

Publication Number Publication Date
JPS55152196A true JPS55152196A (en) 1980-11-27

Family

ID=13124039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5981379A Pending JPS55152196A (en) 1979-05-16 1979-05-16 Treatment for aluminum surface

Country Status (1)

Country Link
JP (1) JPS55152196A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040035530A (en) * 2002-10-22 2004-04-29 송오성 Titanium coloring with top-down selective etching
CN101892505A (en) * 2010-06-18 2010-11-24 国营红阳机械厂 Method for adjusting pH value of nickel-fluoric series normal temperature hole sealing liquid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199641A (en) * 1975-02-28 1976-09-02 Nippon Light Metal Co Aruminiumumataha sonogokinnochakushokuho
JPS5260244A (en) * 1975-11-13 1977-05-18 Hokusei Aluminium Co Ltd Surface treatment of aluminum or its alloy
JPS5261139A (en) * 1975-11-14 1977-05-20 Nippon Light Metal Co Process for applying colored patterns on aluminum or its alloy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199641A (en) * 1975-02-28 1976-09-02 Nippon Light Metal Co Aruminiumumataha sonogokinnochakushokuho
JPS5260244A (en) * 1975-11-13 1977-05-18 Hokusei Aluminium Co Ltd Surface treatment of aluminum or its alloy
JPS5261139A (en) * 1975-11-14 1977-05-20 Nippon Light Metal Co Process for applying colored patterns on aluminum or its alloy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040035530A (en) * 2002-10-22 2004-04-29 송오성 Titanium coloring with top-down selective etching
CN101892505A (en) * 2010-06-18 2010-11-24 国营红阳机械厂 Method for adjusting pH value of nickel-fluoric series normal temperature hole sealing liquid

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