Experimental study on the sidewall quality of femtosecond laser drilling CFRP

Qiao, Yaqing; Chen, Tianting; Ma, Haoran; Liu, Yi; Tang, Aiguo; Xiong, Wei; Deng, Leimin

doi:10.1016/j.compositesb.2023.110972

Composites Part B: Engineering

2023

DOI: 10.1016/j.compositesb.2023.110972

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Experimental study on the sidewall quality of femtosecond laser drilling CFRP

Yaqing Qiao,

Tianting Chen,

Haoran Ma

et al.

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2024

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Cited by 3 publications

References 36 publications

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Research on the removal mechanism and surface damage of laser assisted cutting of CFRP materials

Kong,

Wang,

Liu

et al. 2024

Journal of Manufacturing Processes

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Research on the removal mechanism and surface damage of laser assisted cutting of CFRP materials

Kong,

Wang,

Liu

et al. 2024

Journal of Manufacturing Processes

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Coating-assisted picosecond laser ablation for microstructure fabrication of SiC ceramics

Wu,

Su,

Qiao

et al. 2024

Opt. Express

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Silicon carbide (SiC) ceramics have emerged as critical materials in the production of high-precision components. Ultrafast laser processing is deemed the optimal technique for micro-nano manufacturing of SiC. However, the permanent deposition layer induced by laser ablation can critically impact the precision of the component. In this work, a coating-assisted picosecond laser ablation (CAPLA) method was proposed, in which sacrificial photoresist coating was utilized to improve surface quality without efficiency loss. The coating serves to prevent the uncooled plasma from contacting with the substrate, thereby preventing the formation of a permanent deposition layer. By comparing the CAPLA method with laser direct ablation, the influence of laser parameters and photoresist coating characteristics on the deposition layer was investigated systematically. A processed surface devoid of deposition layers can be achieved by CAPLA with low pulse energy and a high number of scans. The uniformity is critical to ensure the transmission of the laser beam, and a larger thickness can improve the processing efficiency by increasing the limit of pulse energy capacity. Pin arrays and vacuum grooves for SiC ceramic vacuum chucks were fabricated to demonstrate the superiority of the CAPLA method. These results suggest that this method can be a novel and promising approach for high-precision component manufacturing.

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激光加工碳纤维增强复合材料及其在航空航天领域应用（特邀）

Li Xin,

Song Qimeng,

Zhang Xueqiang

et al. 2024

中国激光

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Experimental study on the sidewall quality of femtosecond laser drilling CFRP

Cited by 3 publications

References 36 publications

Research on the removal mechanism and surface damage of laser assisted cutting of CFRP materials

Research on the removal mechanism and surface damage of laser assisted cutting of CFRP materials

Coating-assisted picosecond laser ablation for microstructure fabrication of SiC ceramics

激光加工碳纤维增强复合材料及其在航空航天领域应用（特邀）

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