| 摘要 |
<p>This invention relates to the development of method for creating pattern on any metal surfaces used for structuring and decorative purposes by impression with the aid of heating. The method of the present invention comprises the steps of:
- cleaning the surface of the metal workpiece;
- heating the metal workpiece to a temperature higher than 600 °C under an inert gas atmosphere with a gas mixture of 30% argon, 60% nitrogen and 7% hydrogen;
- pressing the mold onto the surface of the metal workpiece; and
- gradually decreasing the temperature of the metal workpiece.
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