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An Experimental Investigation on the Cutting Quality of Three Different Rock Specimens Using High Power Multimode
Mang-Muan Lian1, Youngjin Seo1, Dongkyoung Lee1,2
1Department of Future Convergence Engineering, Kongju National University, Cheonan 31080, Korea.
Materials (Basel, Switzerland)
|June 2, 2021
Summary
Laser cutting of igneous rocks like gabbro, granite, and diorite shows quality depends on scanning speed. Higher speeds reduce kerf width and penetration depth, influenced by silica content for optimal rock cutting.
Area of Science:
- Materials Science
- Geology
- Manufacturing Engineering
Background:
- Laser cutting offers advantages over traditional rock cutting methods.
- Intrusive igneous rocks are widely used in construction due to their strength and aesthetics.
- Research is exploring laser technology as a viable alternative for rock processing.
Purpose of the Study:
- To evaluate the cutting quality of intrusive igneous rocks using a high-power multimode fiber laser.
- To investigate the effects of varying scanning speeds on kerf width and penetration depth.
- To analyze compositional changes and their correlation with cutting performance.
Main Methods:
- Utilized a high-power multimode fiber laser for rock cutting experiments.
- Tested gabbro, granite, and diorite specimens at different scanning speeds.
- Performed Energy-dispersive X-ray Spectroscopy (EDX) analysis on processed and unprocessed rock areas.
Main Results:
- Kerf width decreased with increasing scanning speed for all rock types.
- Penetration depth significantly decreased as scanning speed increased.
- Cutting quality was found to be dependent on the silica content of the rock specimens.
Conclusions:
- Scanning speed is a critical factor determining laser cutting quality in rocks.
- Silica content influences the effectiveness of laser cutting on different igneous rock compositions.
- Optimizing scanning speed is essential for achieving desired cutting outcomes in rock applications.
