Abstract
Ceramic matrix composites (CMCs) have high strength and good corrosion resistance and are widely used in aerospace and other fields. However, it is not easy to achieve high-quality machining by traditional processing methods. Laser-assisted machining (LAM) is one of the commonly used machining methods for difficult-to-process materials. This paper takes C/SiC composites as the object to conduct an experimental study on laser-assisted micromachining (LAMM). The influence of fibre orientation (parallel fibres, transverse fibres and across fibres) on the machining performance of C/SiC composites was mainly studied and compared with conventional machining (CM). The experimental results show that, under the same cutting parameters, the surface quality obtained by LAMM is better than that obtained by CM, the surface roughness Ra value is reduced, and the micro-defects of the machined surface are significantly reduced. The change in laser power has a significant effect on the surface quality. LAMM can effectively improve the surface quality of C/SiC composites.
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The project is supported by National Natural Foundation of China (Number U19A20103).
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Zhai, C., Xu, J., Hou, Y., Chen, G., Sun, G. (2022). Study on Surface Quality of C/SiC Ceramic Composites in Laser-Assisted Micromachining. In: Yang, S., Luo, X., Yan, Y., Jiang, Z. (eds) Proceedings of the 7th International Conference on Nanomanufacturing (nanoMan2021). nanoMan 2021. Smart Innovation, Systems and Technologies, vol 296. Springer, Singapore. https://doi.org/10.1007/978-981-19-1918-3_11
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DOI: https://doi.org/10.1007/978-981-19-1918-3_11
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