JPS5565396A - Electrolytic coloring method of aluminum or its alloy - Google Patents
Electrolytic coloring method of aluminum or its alloyInfo
- Publication number
- JPS5565396A JPS5565396A JP13727778A JP13727778A JPS5565396A JP S5565396 A JPS5565396 A JP S5565396A JP 13727778 A JP13727778 A JP 13727778A JP 13727778 A JP13727778 A JP 13727778A JP S5565396 A JPS5565396 A JP S5565396A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- spalling
- metal salts
- oxidation treatment
- containing metal
- 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.)
- Granted
Links
Landscapes
- Electrochemical Coating By Surface Reaction (AREA)
Abstract
PURPOSE: To form the colored oxide film which is free from spalling and is of superior throwing power by subjecting an Al material to electrolysis under the specific conditions in the electrolytic bath containing metal salts after anodic oxidation treatment.
CONSTITUTION: After a base material composed of Al or its alloy is subjected to anodic oxidation treatment by an ordinary method, this as one or both electrodes is dipped in the electrolytic bath containing metal salts and is electrolyzed by applying such a voltage at which the polarities invert alternately within a unit time. If at this time the pulse voltage of the trapezoidal wave form such as the one shown in the figure or the waveform close thereto is applied, flowing of excessive surge current at the polarity inversion is prevented and therefore the occurrence of spalling at the film forming is obviated. In addition, the film has good color formability and even throwing powe of color.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13727778A JPS5819758B2 (en) | 1978-11-09 | 1978-11-09 | Electrolytic coloring method for aluminum or its alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13727778A JPS5819758B2 (en) | 1978-11-09 | 1978-11-09 | Electrolytic coloring method for aluminum or its alloys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5565396A true JPS5565396A (en) | 1980-05-16 |
| JPS5819758B2 JPS5819758B2 (en) | 1983-04-19 |
Family
ID=15194905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13727778A Expired JPS5819758B2 (en) | 1978-11-09 | 1978-11-09 | Electrolytic coloring method for aluminum or its alloys |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819758B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014505174A (en) * | 2011-02-08 | 2014-02-27 | ケンブリッジ ナノリティック リミティド | Non-metal coating and production method thereof |
-
1978
- 1978-11-09 JP JP13727778A patent/JPS5819758B2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014505174A (en) * | 2011-02-08 | 2014-02-27 | ケンブリッジ ナノリティック リミティド | Non-metal coating and production method thereof |
| US9551082B2 (en) | 2011-02-08 | 2017-01-24 | Cambridge Nanotherm Limited | Insulated metal substrate |
| US9677187B2 (en) | 2011-02-08 | 2017-06-13 | Cambridge Nanolitic Limited | Non-metallic coating and method of its production |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5819758B2 (en) | 1983-04-19 |
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