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journal article·2022-11-06Open access

Effects of Nanosecond-Pulsed Laser Milling on the Surface Properties of Al2O3 Ceramics

Zhaomei Xu, Zhengye Zhang, Qi Sun, Jiale Xu, Zhao Meng, Yizhi Liu, Xiankai Meng

Coatings· Volume 12· Issue 11
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Source abstract

Abstract

The effect of nanosecond-pulsed laser milling on the surficial microstructure of Al2O3 ceramics is studied in this work. The macrostructure, microstructure, surface roughness, and milling depth of the ceramics are analyzed via scanning electron microscopy and confocal laser scanning microscopy. The results reveal that the surface roughness and the milling depth of Al2O3 ceramics increase with increasing laser power, laser repetition rate, and scanning times. After nanosecond-pulsed laser milling, cavities as well as molten and granular solidified structures are observed on the Al2O3 ceramic surface, which indicate that the main mechanism of nanolaser milling is the melting and gasification caused by the interaction between the laser and the material.
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Research context

Ceramics & glassesNanomaterials

OpenAlex topics: Laser Material Processing Techniques · Advanced Surface Polishing Techniques · Laser-induced spectroscopy and plasma

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Faculty of Mechanical & Material Engineering, Huaiyin Institute of Technology, Huaian 223003, China

School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

Department of Intelligent Equipment, Changzhou College of Information Technology, Changzhou 213164, China

Suzhou Leader Harmonious Drive Technology Limited, Suzhou 215101, China

Funding

Jiangsu Province Advanced Manufacturing Technology Key Laboratory Open Fund · China Postdoctoral Science Foundation · Jiangsu Province Postdoctoral Science Foundation · Natural Science Research of the Jiangsu Higher Education Institutions of China · Changzhou Sci and Tech Program

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