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Experimental Performance Analysis of Large-Format 304 Stainless Steel Surface Laser Matting Process.
Qianqian Ding1,2, Mingdi Wang2, Xihuai Wang2
1School of Precision Manufacturing, Suzhou Vocational Institute of Industrial Technology, Suzhou 215104, China.
Materials (Basel, Switzerland)
|September 27, 2025
Summary
This study optimized laser matte finishing for large stainless steel surfaces, achieving anti-reflective micro-nano structures. Key parameters were identified for efficient, uniform surface treatment using multiple laser heads.
Area of Science:
- Materials Science
- Surface Engineering
- Laser Processing
Background:
- Growing demand for rapid matte finishing on large-format 304 stainless steel.
- Need for anti-reflective micro-nano structures on stainless steel surfaces.
Purpose of the Study:
- To develop and optimize a rapid, large-area matte finishing process for 304 stainless steel using multiple fiber laser devices.
- To fabricate anti-reflective micro-nano structures on stainless steel surfaces.
Main Methods:
- Utilized four 1064 nm fiber laser devices for simultaneous matte finishing.
- Systematically investigated the influence of laser power, scanning speed, frequency, and idle speed.
- Adjusted laser on/off delay and calibrated galvanometer motion for uniform large-area processing.
- Optimized overlapping parameters for multi-head laser matte finishing.
Main Results:
- Determined optimal single laser head parameters: 20 W laser power, 11,000 mm/s scanning speed, and 80 kHz frequency.
- Achieved uniform ablation across large areas by compensating for galvanometer motion.
- Successfully obtained optimal overlapping parameters for multi-head processing.
Conclusions:
- Established an efficient and environmentally friendly laser matte finishing technique for 304 stainless steel.
- Provided technical support and insights for applications in the stainless steel home appliance industry.
