Title:
METHOD FOR PATTERNING ALUMINUM ALLOY
Document Type and Number:
Japanese Patent JPS5923874
Kind Code:
A
Abstract:
PURPOSE: To pattern a drawn Al alloy contg. a restricted amount of V, Cr or B with fine steaks like straight grain of wood only by etching the alloy at a specified rate of dissolution or above.
CONSTITUTION: A drawn Al alloy contg. 0.5W2.5% V, 0.5W2.5% Cr or 0.5W2.0% B is etched at ≥0.15g/dm2 rate of dissolution. For example, in case of alkali etching using an aqueous NaOH soln. or the like, the alloy is patterned with fine streaks like clear straight grain of wood by treatment with about 20% NaOH at about 40°C for about 5min. By this method, patterning can be carried out at a low cost without requiring any special equipment and technique.
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Inventors:
CHIBA KAZUO
MITAMURA KOUJI
TAKEUCHI ISAO
MITAMURA KOUJI
TAKEUCHI ISAO
Application Number:
JP13203382A
Publication Date:
February 07, 1984
Filing Date:
July 30, 1982
Export Citation:
Assignee:
MITSUBISHI ALUMINIUM
International Classes:
C23F1/00; C22C21/00; (IPC1-7): C23F1/00
Domestic Patent References:
| JPS5086435A | 1975-07-11 |
Attorney, Agent or Firm:
Utaka Katsumi