Paper
31 August 2021 Changes in surface characteristics of stainless steel polished by nanosecond laser based on beam coupling
Author Affiliations +
Proceedings Volume 11907, Sixteenth National Conference on Laser Technology and Optoelectronics; 1190736 (2021) https://doi.org/10.1117/12.2603292
Event: Sixteenth National Conference on Laser Technology and Optoelectronics, 2021, Shanghai, China
Abstract
The laser polishing process of metal materials has been extensively studied. This paper proposes a new type of beam-coupled laser polishing method to study the surface quality of polished stainless steel when the power and frequency change, and the changes of the surface roughness and topography with the laser power and frequency were analyzed. Under the condition of power 0.5W and frequency 10Khz, as the feed speed changes from 200mm/min to 1200mm/min, the surface roughness first decreases, then slightly increases. The single pulse energy decreases, and the surface roughness first increases and then decreases with increasing of the frequency from 10kHz to 20kHz. With low repetition frequency and single pulse energy, the surface roughness is significantly reduced to 0.19μm at the process parameters of 2.0W, 10Khz, and 600mm/min. Under the specific process parameters, the processed surface has a color change similar to that caused by surface quenching treatment. The surface material absorbs more laser light, and the processed surface microstructure changes. By adjusting the process parameters, the polishing quality can be improved. It is proved that the beam-coupled laser polishing of stainless steel is an effective polishing method.
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaoxiao Chen, Yuan Li, Huihui Zhang, and Wenwu Zhang "Changes in surface characteristics of stainless steel polished by nanosecond laser based on beam coupling", Proc. SPIE 11907, Sixteenth National Conference on Laser Technology and Optoelectronics, 1190736 (31 August 2021); https://doi.org/10.1117/12.2603292
Advertisement
Advertisement
RIGHTS & PERMISSIONS
Get copyright permission  Get copyright permission on Copyright Marketplace
KEYWORDS
Polishing

Surface finishing

Pulsed laser operation

Surface roughness

Laser processing

Radium

Metals

RELATED CONTENT

Study of ultrafast laser polishing technology
Proceedings of SPIE (February 19 2015)
Laser polishing using ultrashort pulse laser
Proceedings of SPIE (March 02 2020)
Laser polishing
Proceedings of SPIE (February 15 2012)
Surface modification of roll by pulsed Nd YAG laser ...
Proceedings of SPIE (January 13 2005)

Back to Top