每年出版 12 期
ISSN 打印: 0040-2508
ISSN 在线: 1943-6009
Indexed in
EVALUATION OF THE INFLUENCE OF DEFECTS ON THE QUALITY OF COMPOSITES USING A QUASI-OPTICAL POLARIZATION-FREQUENCY REFLECTOMETRY IN SUB-TERAHERTZ DOMAIN
摘要
Quasi-optical polarization-frequency reflectometry in subterahertz (sub-THz) frequency band is considered as a nondestructive method for detecting of subsurface damage of composite materials. Such materials are used in modern aerospace industry to create robust lightweight structures using adhesive technology. The present paper relates to studying of the possibility of detecting volumetric moisture and thermal damage of the carbon fiber reinforced plastic (CFRP) structures in order to evaluate a quality of surface preparation before CFRP samples bonding. For this purpose we have used quasi-optical beamguide systems to perform polarization in the sub-THz frequency domain (0.1…0.2 ТHz). The measurements of amplitude-frequency and polarization reflecting characteristics of the CFRP samples showed that the thermal effects and volumetric moisture result in changes of reflecting characteristics of samples in this frequency band. The promising results are obtained to use this method when creating means for nondestructive testing and evaluation of the quality of the surface of the CFRP composites before cement together.
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Nesterov Pavel K., Zinenko Tatiana L., Yachin Vladimir V., Experimental study of thermal degradation influence on carbon fiber reinforced plastics reflectivity in sub-terahertz frequency range, 2014 International Conference on Mathematical Methods in Electromagnetic Theory, 2014. Crossref
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Nesterov Pavel K., Yachin Vladimir V., Zinenko Tatiana L., Kuleshov Yevgeny M., Characterization of CFRP Thermal Degradation by the Polarization-Frequency Reflectometry Method in Subterahertz Frequency Range, IEEE Transactions on Terahertz Science and Technology, 6, 1, 2016. Crossref
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Kolenov Ivan, Galuza Alexey, Belyaeva Alla, Mizrakhy Sergey, Nesterov Pavel, Savchenko Alla, Influence of Contamination with Silicone Release Agent on the Ellipsometric Parameters of CFRP Surface in the Sub-THz Range, 2021 IEEE 3rd Ukraine Conference on Electrical and Computer Engineering (UKRCON), 2021. Crossref