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TECHNOLOGICAL EQUIPMENT FOR INITIALIZATION OF STRUCTURED COMPOSITE MATERIALS
Boris V. Hlopov, JSC «CNIRTI named after academician A.I. Berg», Russian Federation, Moscow, Russia, hlopovu@yandex.ru
Grigory I. Andreev, JSC «CNIRTI named after academician A.I. Berg», Russian Federation, Moscow, Russia
Valeria S. Samoylova, JSC Central Research Radio Engineering Institute of the Academician A.I. Berg, Moscow, Russia, samvalser@yandex.ru
Vasily D. Shashurin, MGTU of N.E. Bauman, Moscow, Russia, shashurin@bmstu.ru
Sergey A. Meshkov, MGTU of N.E. Bauman, Moscow, Russia, sb67241@mail.ru
Abstract
The properties of structured composite materials are considered and their physical characteristics affecting the change of electromagnetic fields arising in clusters and uniting in the region with a high value of the electromagnetic field are determined. It is shown that in order to obtain high values of the physical characteristics of the composite materials structured in the opal matrix, it is necessary to influence the meta-material by irradiating electromagnetic radiation with characteristics that provide resonance susceptibility. It is specified that the multiplicated electromagnetic field is created only at the moment of its irradiation by the microwave pulse of the electromagnetic field and is formed by a volumetric, layered, frequency independent structured matrix medium. The urgency and necessity of development and creation of technological equipment for the initialization of structured composite materials for the purpose of research and determination of new functional characteristics of nano-structured materials in the matrix are determined. A method for studying the susceptibility of nano-structured materials of multipliers based on opal matrices under multiple irradiation of nano-structured materials by a sequence of short electromagnetic pulses is considered. An embodiment of the method and device of technological equipment for the study of the susceptibility of nano-structured materials of multipliers is presented. The circuit solution of the short pulse generator is confirmed by the presented working model of the short pulse generator. It allows the pulse shaper circuit to convert the input square wave into positive polarity pulses of about 10-20 ns duration, which provides the necessary pump time for the short pulse shaper to act on nano-structured materials in the matrix. The design of the radiating field-forming system made of non-magnetic metal made it possible to install the lining strips, and between them the axis of the body of the investigated multiplier of electromagnetic fields and on the cover of the body, to install a meter of the energy flux density and the electromagnetic field strength. The experimental results and the obtained characteristics confirm that the irradiation of a nanocomposite based on an opal matrix with microwave conductivity by a pulsed electromagnetic field increases the integral electromagnetic susceptibility of the matrix, ensures the formation of electromagnetic fields by the structure of the metamaterial of the matrix sample.
Keywords: metamaterials, composite material, pulsed magnetic field, nanoclusters, field-forming system, horn antenna.
References
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