JPS5554594A - Anodic oxidation treating method of magnesium and magnesium alloy - Google Patents
Anodic oxidation treating method of magnesium and magnesium alloyInfo
- Publication number
- JPS5554594A JPS5554594A JP12466278A JP12466278A JPS5554594A JP S5554594 A JPS5554594 A JP S5554594A JP 12466278 A JP12466278 A JP 12466278A JP 12466278 A JP12466278 A JP 12466278A JP S5554594 A JPS5554594 A JP S5554594A
- Authority
- JP
- Japan
- Prior art keywords
- anodic oxidation
- magnesium
- voltages
- alloy
- electrolysis
- 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 good anodic oxidation film with relatively low voltages by performing primary DC electrolysis with a certain voltage then secondary DC electrolysis with a voltage lower than this at the time of subjecting Mg and Mg alloy to surface treatment by an anodic oxidation method.
CONSTITUTION: The Mg alloy containing Al; 8.6%, Zn; 0.5% is subjected to anodic oxidation treatment in the solution containing potassium manganate; 20g/l, potassium fluoride; 35g/l, potassium phosphate; 35g/l, caustic potash; 100g/l. Here, the anodic oxidation treatment is performed by keeping the solution at ordinary temperature, supplying current for several minutes at initial voltage; 30V then supplying current for 30 minutes at electrolyzing voltages of 4W15V lower than this. At voltages of 4W8V, the even film of grey and reddish-brown colors is evenly formed and at above 10V, the opaque white color film evenly formed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12466278A JPS5554594A (en) | 1978-10-12 | 1978-10-12 | Anodic oxidation treating method of magnesium and magnesium alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12466278A JPS5554594A (en) | 1978-10-12 | 1978-10-12 | Anodic oxidation treating method of magnesium and magnesium alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5554594A true JPS5554594A (en) | 1980-04-21 |
Family
ID=14890941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12466278A Pending JPS5554594A (en) | 1978-10-12 | 1978-10-12 | Anodic oxidation treating method of magnesium and magnesium alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5554594A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102127791A (en) * | 2011-04-22 | 2011-07-20 | 北京交通大学 | Method for treating thick layer on surface of AZ91 magnesium alloy |
CN102127789A (en) * | 2011-04-22 | 2011-07-20 | 北京交通大学 | AM60 magnesium alloy surface heavy-layer treatment method |
CN102181909A (en) * | 2011-04-22 | 2011-09-14 | 北京交通大学 | Thin layer treatment method for surface of AZ91 magnesium alloy |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52117844A (en) * | 1976-03-30 | 1977-10-03 | Showa Aluminium Co Ltd | Process for forming opaque anodized coating of aluminum |
-
1978
- 1978-10-12 JP JP12466278A patent/JPS5554594A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52117844A (en) * | 1976-03-30 | 1977-10-03 | Showa Aluminium Co Ltd | Process for forming opaque anodized coating of aluminum |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102127791A (en) * | 2011-04-22 | 2011-07-20 | 北京交通大学 | Method for treating thick layer on surface of AZ91 magnesium alloy |
CN102127789A (en) * | 2011-04-22 | 2011-07-20 | 北京交通大学 | AM60 magnesium alloy surface heavy-layer treatment method |
CN102181909A (en) * | 2011-04-22 | 2011-09-14 | 北京交通大学 | Thin layer treatment method for surface of AZ91 magnesium alloy |
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