JPS6475161A - Method for internal chill of separate aluminum member to base aluminum material - Google Patents
Method for internal chill of separate aluminum member to base aluminum materialInfo
- Publication number
- JPS6475161A JPS6475161A JP23184987A JP23184987A JPS6475161A JP S6475161 A JPS6475161 A JP S6475161A JP 23184987 A JP23184987 A JP 23184987A JP 23184987 A JP23184987 A JP 23184987A JP S6475161 A JPS6475161 A JP S6475161A
- Authority
- JP
- Japan
- Prior art keywords
- base
- oxide film
- aluminum
- separate
- active surface
- 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
- ing And Chemical Polishing (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
PURPOSE:To enable the internal chill of a separate aluminum member which is different from a base aluminum material to said base material by dissolving and removing the oxide film of the base aluminum material with an acid soln., then forming a film having the m.p. lower than the m.p. of the base material thereon and pressing the melt of the separate aluminium member to the base material. CONSTITUTION:The oxide film 6 is formed on the surface of the base aluminum material 1. This base aluminium material 1 is immersed into the acid soln. 7 such as nitric acid to dissolve and remove the oxide film by a chemical reaction. The base surface of the base aluminum material 1 is exposed and activated when the oxide film is dissolved and removed. The material is further subjected to galvanizing after pickling by the acid soln. Since the active surface of the galvanized material 1 is shut off from the external air by a galvanizing layer 8, the oxide film is no longer formed. The galvanized material 1 is then set into a metallic mold 5 and a molten aluminum metal 9 which is different is characteristics from the material 1 is cast into the mold 5. The galvanizing layer 8 is melted at this time, by which the active surface of the material 1 is exposed. The active surface is joined to the molten metal 9 without being oxidized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23184987A JPS6475161A (en) | 1987-09-16 | 1987-09-16 | Method for internal chill of separate aluminum member to base aluminum material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23184987A JPS6475161A (en) | 1987-09-16 | 1987-09-16 | Method for internal chill of separate aluminum member to base aluminum material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6475161A true JPS6475161A (en) | 1989-03-20 |
Family
ID=16929976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23184987A Pending JPS6475161A (en) | 1987-09-16 | 1987-09-16 | Method for internal chill of separate aluminum member to base aluminum material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6475161A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259437A (en) * | 1990-07-31 | 1993-11-09 | Pechiney Recherche | Method of obtaining bimaterial parts by moulding |
| US5293923A (en) * | 1992-07-13 | 1994-03-15 | Alabi Muftau M | Process for metallurgically bonding aluminum-base inserts within an aluminum casting |
-
1987
- 1987-09-16 JP JP23184987A patent/JPS6475161A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5259437A (en) * | 1990-07-31 | 1993-11-09 | Pechiney Recherche | Method of obtaining bimaterial parts by moulding |
| US5293923A (en) * | 1992-07-13 | 1994-03-15 | Alabi Muftau M | Process for metallurgically bonding aluminum-base inserts within an aluminum casting |
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