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25 November 2014 Spectroscopic study of ns-laser pulse interaction with Co:TiC sample
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Proceedings Volume 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014; 92901F (2014) https://doi.org/10.1117/12.2075949
Event: Symposium on Photonics Applications in Astronomy, Communications, Industry and High-Energy Physics Experiments, 2014, Warsaw, Poland
Abstract
The paper presents the results of investigation of the effects of the irradiation parameters on the microstructure and surface in-situ Co-TiC composites obtained by the high temperature solution method (HTS). The obtained ingots were irradiated with Nd:YAG laser pulses (Quantel Brio, 4ns, 70mJ@1.06μm, focused with a lens of the focal length of 10 cm in air conditions. Microstructure of the laser irradiated in-situ Co-TiC composites was characterized by the Hirox digital microscope systems which made possible to observe a 3D microscopic images of the composite surface and structural changes after the series of laser irradiation. The study of melted crater ratio has been done on Co–TiC composites to investigate the effect of irradiation on composite surface microstructure. According to experimental results and analysis, it was shown that the observed craters on surfaces were deepened with increasing numbers of laser shot. On the other hand, heterogeneity of samples had influence on the depth of the crater.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
E. Kowalska-Strzęciwilk, D. Strzęciwilk, W. Skrzeczanowski, M. Kubkowska, and J. Kostecki "Spectroscopic study of ns-laser pulse interaction with Co:TiC sample", Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92901F (25 November 2014); https://doi.org/10.1117/12.2075949
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