The main physical and mechanical properties of FK-20 phenolic foam based on the products of combination of nitrile rubbers with phenolic aldehyde oligomers have been studying. This foam use as a heat-resistant structural filler for three-layer structures and the manufacture of various structural elements. The results of the study of the microstructure of the foam plastic grade FK-20 and the effect of elevated temperature on the values of its compressive strength are shown. It is established that the foam is efficient at a temperature of 120 °C.

Presents the results of studies of the influence of technological parameters of shaping on the structure and properties of high-temperature carbon fiber reinforced plastic based on a polyimide binder. It is shown that the formation of a monolithic structure of carbon fiber reinforced plastic with low porosity is achieved by implementing the conditions of the technological process of shaping polymer composite material, which ensure the complete occurrence of thermochemical transformations and the formation of a given structure of a high-temperature composite with maximum preservation of strength indicators at elevated temperatures.

The kinetics of curing of adhesive prepreg binders was investigated by differential scanning calorimetry (DSC). The most adequate scheme of the curing reaction was selected and the kinetic parameters of the curing reaction for each elementary stage of the process were determined. Generalized kinetic models of the curing reaction are constructed on the basis of experimental data obtained by the DSC method. On the basis of experimental and calculated data, the curing modes of the binder in the prepreg are selected. Data on physical and mechanical properties of samples carbon fiber plastic BCU-59 are given.

At present, the share of polymer composite materials (PCM) in the aviation industry is increasing year by year, which is why there is a growing interest in composite molding tooling. This interest can be explained by the fact that due to affinity of materials, a formed part and rigging have similar coefficients of thermal expansion, by means of which problems of warping and occurrence of residual stresses are eliminated. In article some factors of influence on service properties of tooling for PCM manufacturing are considered, the technique of control of tooling technological properties is offered, influence of antiadhesion liquids on free surface energy of PCM is shown.

The article is devoted to the study of the effect of the storage time of lined and uncured polymer composite material made of carbon fiber based on a bundle filler, unidirectional carbon fabric and equal-strength carbon fabric before autoclave forming on the occurrence of the warping process of flat monolithic elements. It was found that prolonged (more than five days) storage of the prepreg after laying out before molding negatively affects the warping of the panel. The development of technological recommendations in accordance with the results obtained will ensure a reduction in the share of defective finished products.

Experimental data on the use of rare earth metals in combination with cobalt as the basis of permanent magnets are presented. Data analysis and calculations of the functionality of such magnets show that such magnets will have noticeably higher stability and will demonstrate unusually small deviations of properties under temperature variations. The proposed magnets will significantly increase the signal-to-noise ratio when removing the signal from the electrodynamical devices. 

Up-to-date native and foreign regulatory and technical documents and scientific publications which are dedicated to the subject of fiber-reinforced composites’ defect classification and definition are observed at this article. The review of the most common defects of fiber reinforced plastics was made. The differences in terms of translation in regulatory and technical documents and scientific publications are shown. The variants of defect classification for 2D fiber-reinforced composites based on their common features and publications and documents’ areas of knowledge are observed. Data for non-destructive testing techniques which are recommended for different defects detection are given.

The compositions, properties, methods of manufacturing of cermet materials for plain bearings of transport vehicles and other equipment are considered. It is shown that iron, copper, cobalt and nickel or alloys based on them are mainly used as the matrix material of cermet bearings. Ceramic filler is selected to improve strength characteristics, increase wear resistance and load-bearing capacity. An increase in lubricating characteristics is provided by the introduction of solid lubricants into the composition of cermet materials: graphite, BN or sulfides, as well as polymers.

The review of carbon fiber reinforced plastics based on high–modulus carbon fiber and woven reinforcing fillers developed at the National Research Center «Kurchatov Institute» – VIAM is presented. The difference between high-modulus reinforcing fillers and high-strength fillers is shown. The main domestic and foreign fiber brands are presented, as well as information on the elastic-strength characteristics of the developed high-modulus carbon fiber plastics, including at various temperatures. The comparison of domestic carbon fiber plastics with foreign materials of similar composition and structure is carried out.

The article presents a theoretical study of the producing silaethylene from methylsilane chemical reaction kinetics at high temperatures. Quantum chemistry was used for calculating of thermodynamic parameters (changes of enthalpy, entropy, Gibbs free energy. The activated complex theory was taken for calculation values activation energy, equilibrium constant, rate of chemical reactions.We used a transitional state structure in the chemical reaction of methylsilane-silaethylene. The calculations have shown active formation of silaethylene from methylsilane at temperature above 1500 K.

This work is devoted to the issues of determining the chemical composition of galvanic nickel plating electrolytes using the methods of atomic emission spectrometry and inductively coupled plasma mass spectrometry. The mass fraction of components in model electrolyte solutions at different dilutions was determined. The metrological characteristics of the obtained results were evaluated. Concentration ranges were chosen to which it is optimal to dilute stock solutions in order to obtain reproducible and reliable results.

The second section of the article presents the results of studies of the coefficient of linear thermal expansion (CLTE) of carbon fiber reinforced plastic based on the cyanoether binder VSC-14, exposed for 24 months in a moderately cold climate and laboratory simulation conditions. Two variants of full-scale climatic tests were studied: standard exposure on an open atmospheric stand and exposure with a combination of thermal cycles simulating the mode of takeoff and landing of an aircraft. To find out the reasons for the change in the CLTE, the results of measurements of the compressive and tensile strengths, as well as the glass transition temperature of the binder VSC-14, are analyzed.