JPS56166396A - Formation of bright self-coloring anodically oxidized film of aluminum or its alloy - Google Patents
Formation of bright self-coloring anodically oxidized film of aluminum or its alloyInfo
- Publication number
- JPS56166396A JPS56166396A JP6972080A JP6972080A JPS56166396A JP S56166396 A JPS56166396 A JP S56166396A JP 6972080 A JP6972080 A JP 6972080A JP 6972080 A JP6972080 A JP 6972080A JP S56166396 A JPS56166396 A JP S56166396A
- Authority
- JP
- Japan
- Prior art keywords
- oxidized film
- anodically oxidized
- acid
- bath
- alloy
- 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
Links
Landscapes
- Electrochemical Coating By Surface Reaction (AREA)
Abstract
PURPOSE: To form an anodically oxidized film having brightness and a dark color tone by anodizing an Al or Al alloy product to form a transparent or semitransparent anodically oxidized film and subjecting the same to self-coloring anodizing.
CONSTITUTION: After an Al or Al alloy material is degreased, it is immersed in a chemical polishing bath of phosphoric acid-sulfuric acid-nitric acid system, whereby it is chemically polished. After this treatment is applied, it is anodized by using a sulfuric acid bath, an oxalic acid bath or an org. acid bath to form a transparent or semitransparent anodically oxidized film. Next, this is again anodized by using an org. acid bath consisting of 100g/l sulfosalicylic acid and 5g/l sulfuric acid to form a colored anodically oxidized film of a dark color tone, and finally the pores are sealed by an acetic acid nickel type sealing agent. This yields the anodically oxidized film of high brightness and a dark color tone.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6972080A JPS56166396A (en) | 1980-05-26 | 1980-05-26 | Formation of bright self-coloring anodically oxidized film of aluminum or its alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6972080A JPS56166396A (en) | 1980-05-26 | 1980-05-26 | Formation of bright self-coloring anodically oxidized film of aluminum or its alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56166396A true JPS56166396A (en) | 1981-12-21 |
Family
ID=13410947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6972080A Pending JPS56166396A (en) | 1980-05-26 | 1980-05-26 | Formation of bright self-coloring anodically oxidized film of aluminum or its alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56166396A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5820740A (en) * | 1996-03-18 | 1998-10-13 | Aluminum Finishing Corporation | High-absorptance high-emittance anodic coating |
CN1330794C (en) * | 2004-10-12 | 2007-08-08 | 南京大学 | Preparation for self-supporting ordered through hole alumina film |
CN112410845A (en) * | 2020-11-27 | 2021-02-26 | 广东和胜工业铝材股份有限公司 | Secondary anodic oxidation treatment method for aluminum alloy |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS497136A (en) * | 1972-05-12 | 1974-01-22 | ||
JPS5310336A (en) * | 1976-07-15 | 1978-01-30 | Shokosha Kk | Selffcolor anodic oxidation process for aluminum and aluminum alloy |
JPS53131238A (en) * | 1977-04-21 | 1978-11-15 | Sankyo Aruminiumu Kougiyou Kk | Electrolytic color formation method of aluminium |
JPS5419437A (en) * | 1977-07-14 | 1979-02-14 | Sankyo Aruminiumu Kougiyou Kk | Surface treating method of aluminum |
-
1980
- 1980-05-26 JP JP6972080A patent/JPS56166396A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS497136A (en) * | 1972-05-12 | 1974-01-22 | ||
JPS5310336A (en) * | 1976-07-15 | 1978-01-30 | Shokosha Kk | Selffcolor anodic oxidation process for aluminum and aluminum alloy |
JPS53131238A (en) * | 1977-04-21 | 1978-11-15 | Sankyo Aruminiumu Kougiyou Kk | Electrolytic color formation method of aluminium |
JPS5419437A (en) * | 1977-07-14 | 1979-02-14 | Sankyo Aruminiumu Kougiyou Kk | Surface treating method of aluminum |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5820740A (en) * | 1996-03-18 | 1998-10-13 | Aluminum Finishing Corporation | High-absorptance high-emittance anodic coating |
US5948542A (en) * | 1996-03-18 | 1999-09-07 | Mcdonnell Douglas Corporation | High-absorptance high-emittance anodic coating |
CN1330794C (en) * | 2004-10-12 | 2007-08-08 | 南京大学 | Preparation for self-supporting ordered through hole alumina film |
CN112410845A (en) * | 2020-11-27 | 2021-02-26 | 广东和胜工业铝材股份有限公司 | Secondary anodic oxidation treatment method for aluminum alloy |
CN112410845B (en) * | 2020-11-27 | 2022-05-13 | 广东和胜工业铝材股份有限公司 | Secondary anodic oxidation treatment method for aluminum alloy |
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