研究目的
Investigating the effects of periodic patterned topography on the optical properties of colorizing surfaces through nanosecond pulsed laser irradiation of titanium alloy substrate.
研究成果
The research demonstrated the possibility of adjusting the color of titanium alloy surfaces by controlling the heat-affected zone thickness of the textures through laser irradiation. The combination of specific topographies with color surfaces opens new perspectives in industrial design, especially for aesthetic applications with special properties.
研究不足
The study was limited to the effects of laser scanning speed on the optical properties and micro-geometrical characteristics of Ti6Al4V substrates. The complexity of controlling optical properties on rough surfaces was noted as a challenge.
1:Experimental Design and Method Selection:
The study involved irradiating Ti6Al4V substrates with an infrared nanosecond pulsed laser in air atmosphere, varying the scan speed of the beam as the control parameter.
2:Sample Selection and Data Sources:
Ti6Al4V titanium alloy plates were cleaned and mechanically polished before laser treatment.
3:List of Experimental Equipment and Materials:
A commercial marking machine based on a 10 W Ytterbium fiber infrared laser system was used for laser exposure.
4:Experimental Procedures and Operational Workflow:
The texturing process was developed through bidirectional parallel lines with a
5:1 mm distance between the laser tracks. Data Analysis Methods:
Roughness evaluation, microscopic inspection, and absorption and chromaticity examination were conducted to analyze the effects.
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