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29 March 2019 Characterization of graphite produced by laser irradiated glass fiber reinforced epoxy resin
Yuwei Lv, Yongxiang Zhu, Taotao Wu, Chenghua Wei, Zhiliang Ma, Lijun Wang
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Proceedings Volume 11046, Fifth International Symposium on Laser Interaction with Matter; 110460W (2019) https://doi.org/10.1117/12.2524295
Event: Fifth International Symposium on Laser Interaction with Matter, 2018, Changsha, China
Abstract
Pyrolysis, carbonization and other reactions would occur in laser irradiated Glass fiber reinforced epoxy resin composite (GFREC). Different laser irradiation time experiments were carried out to get some ablation samples. With the help of X-ray diffraction (XRD) and Raman spectroscopy(RS, graphite microcrystals were found in the severe ablation GFREC. The temperature of laser irradiated GFREC was calculated by using energy conservation equation and pyrolytic decomposition equation, and we found the temperature of laser induced graphite production was about 800°C. And then the information of graphite microcrystals was characterized by 5th order Gaussian function curve-fitting analysis. Results showed that the sizes of graphite microcrystals were several nanometers.
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Yuwei Lv, Yongxiang Zhu, Taotao Wu, Chenghua Wei, Zhiliang Ma, and Lijun Wang "Characterization of graphite produced by laser irradiated glass fiber reinforced epoxy resin", Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110460W (29 March 2019); https://doi.org/10.1117/12.2524295
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KEYWORDS
Laser irradiation
Laser ablation
Epoxies
Glasses
Raman spectroscopy
Composites
Laser applications
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