| 发明名称 |
Surface treatment of aluminum and its alloys |
| 摘要 |
A composition and process useful in forming films on the surface of aluminum or its alloys is disclosed. The composition is an aqueous solution containing an alkali metal, silicon, fluorine, zinc and iron. The film is an adherent hydrophilic corrosion resistant film useful as such and/or as a lubricating film in metal forming.
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| 申请公布号 |
US4650525(A) |
申请公布日期 |
1987.03.17 |
| 申请号 |
US19850721812 |
申请日期 |
1985.04.05 |
| 申请人 |
NIHON PARKERIZING CO., LTD. |
发明人 |
YOSHIDA, ATSUNORI;KANEKO, HIDEAKI;OGINO, TAKAO |
| 分类号 |
C23C22/34;C23C22/68;F28F13/18;(IPC1-7):C23C18/00 |
主分类号 |
C23C22/34 |
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