ＹＶＯ４レーザ加工機を用いたステンレス鋼とチタンヘの発色加工

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  • Surface Treatment about Coloring of Stainless Steel and Titanium Using YVO4 Laser Machine

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Recently, stainless steel and titanium are mainly used as a structure material. And some surface treatments about coloring for these metals are used for producing high quality industrial product. For example, coloring for titanium using anodization method is often used. This method is suitable for the uniform coloring, big lot and large area. However, this is inappropriate for the complicated coloring, small lot and small area. New method is required for complicated coloring on small area. Therefore, a new surface treatment about coloring for stainless steel and titanium using YVO4 laser machine was needed. In this paper, the new surface treatment method was established, and the principle of the coloring was made clear, then the controlling method of coloring was developed and evaluated. It is concluded from the results that coloring for stainless steel and titanium using YV04 laser machine became possible, the coloring could change by thickness of oxidization film (TiO2 or CrO3), requested colors could be made by the inverse analysis using neural network.

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