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Your search keyword '"V. S. Gumenyuk"' showing total 8 results
Start Over Author "V. S. Gumenyuk" Topic general engineering
8 results on '"V. S. Gumenyuk"'

1. Effect of proton-electron irradiation on the strength of a glass-reinforced plastic and its components

Author

V. S. Gumenyuk, A. A. Kritsuk, A. M. Markus, N. A. Tsurikov, V. M. Suslo, and I. M. Lyubarskii

Subjects
Materials science, Polymers and Plastics, Proton, General Mathematics, General Engineering, Electron, Strain rate, Fibre-reinforced plastic, Condensed Matter Physics, Condensed Matter::Disordered Systems and Neural Networks, Industrial and Manufacturing Engineering, Condensed Matter::Soft Condensed Matter, Biomaterials, Reduced properties, Mechanics of Materials, Solid mechanics, Ceramics and Composites, Electron beam processing, Irradiation, Composite material
Abstract

The action of protons and electrons on the properties of glass strands under vacuum conditions has been experimentally investigated. The experimental procedure is described. The effects of irradiation, strain rate, and reduced temperature and pressure on the properties of glass reinforcement and glass-reinforced plastics are estimated.

Published
1973
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2. Stability of cylindrical glass-reinforced plastic shells

Author

V. S. Kravchuk and V. S. Gumenyuk

Subjects
Materials science, Critical load, Polymers and Plastics, General Mathematics, General Engineering, Shell (structure), Radius, Fibre-reinforced plastic, Condensed Matter Physics, Stability (probability), Industrial and Manufacturing Engineering, Biomaterials, Buckling, Mechanics of Materials, Solid mechanics, Ceramics and Composites, Composite material, Test data
Abstract

The stability of cylindrical shells in axial compression has been experimentally investigated. The glass-reinforced plastic shells were fabricated in various ways: by winding glass strand, from glass cloth, and by a combination of the first two methods. The buckling mode and critical load were determined as functions of the ratio of shell radius to shell thickness. A statistical analysis of the test data leads to a formula with an empirical coefficient for use in practical stability calculations.

Published
1972
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3. Glass-reinforced plastic high-pressure tanks

Author

N. P. Karamash, A. A. Kritsuk, B. A. Bigula, S. V. Urbanskii, and V. S. Gumenyuk

Subjects
Fabrication, Materials science, Polymers and Plastics, General Mathematics, General Engineering, Fibre-reinforced plastic, Deformation (meteorology), Condensed Matter Physics, Industrial and Manufacturing Engineering, Biomaterials, Mechanics of Materials, High pressure, Solid mechanics, Ceramics and Composites, Composite material
Abstract

The design and fabrication of lens-shaped tanks are described. The results of an investigation of the deformation and strength of the tanks are presented together with the data of cyclic tests.

Published
1972
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4. Effect of ultrasound on the properties of a glass-reinforced plastic

Author

I. G. Malitskaya, A. N. Malitskii, and V. S. Gumenyuk

Subjects
Materials science, Polymers and Plastics, business.industry, General Mathematics, Ultrasound, General Engineering, Fibre-reinforced plastic, Condensed Matter Physics, Piezoelectricity, Industrial and Manufacturing Engineering, Biomaterials, Transducer, Mechanics of Materials, visual_art, Mechanical strength, Solid mechanics, Ceramics and Composites, visual_art.visual_art_medium, Ultrasonic sensor, Ceramic, Composite material, business
Abstract

It is shown that removing paraffin size from the glass strands by means of ultrasound has little effect on their strength, improves the structure of the material, and raises the mechanical strength of the GRP by 11–12%. An ultrasonic strand cleaner employing focusing piezoelectric ceramic transducers is described.

Published
1972
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5. Wear of glass-reinforced plastics in aggressive media

Author

V. S. Gumenyuk, S. D. Lekhman, and G. A. Kulinskii

Subjects
Biomaterials, Materials science, Polymers and Plastics, Mechanics of Materials, General Mathematics, Solid mechanics, General Engineering, Ceramics and Composites, Composite material, Condensed Matter Physics, human activities, Angle of inclination, Industrial and Manufacturing Engineering
Abstract

The effect of certain aggressive media on the wear of glass-reinforced plastics has been investigated. It is shown that as the angle of inclination of the glass reinforcing fibers relative to the friction surface increases, the wear of the material is sharply reduced.

Published
1975
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6. Effect of certain technical and geometric factors on the properties of glass-reinforced plastics

Author

V. S. Gumenyuk, S. V. Urbanskii, and V. V. Lushchik

Subjects
Materials science, Polymers and Plastics, Tension (physics), General Mathematics, General Engineering, Condensed Matter Physics, Geometric factor, Industrial and Manufacturing Engineering, Biomaterials, Compressive strength, Mechanics of Materials, Ultimate tensile strength, Solid mechanics, Ceramics and Composites, Composite material, hormones, hormone substitutes, and hormone antagonists
Abstract

Experimental data are used as the basis for a discussion of some of the technical factors affecting the strength of filament-wound glass-reinforced plastics (GRP): winding speed, tension on the glass, life of resin. A relationship between the strength of GRP and these factors is demonstrated. The effect of the thickness and diameter of the test piece on the tensile strength of GRP material is examined.

Published
1970
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8. Wear resistance of filled epoxypolyamide composites in aggressive media

Author

S. D. Lekhman, V. S. Gumenyuk, and G. A. Kulinskii

Subjects
chemistry.chemical_classification, Cement, Materials science, Polymers and Plastics, General Mathematics, General Engineering, Polymer, Condensed Matter Physics, Industrial and Manufacturing Engineering, Iron powder, Biomaterials, Wear resistance, chemistry, Mechanics of Materials, Solid mechanics, Ceramics and Composites, Graphite, Composite material, human activities
Abstract

The authors investigate the influence of certain aggressive media (toxic chemicals) on the wear resistance of filled epoxypolyamide composites. The presence of toxic chemicals in the zone of friction causes a sharp fall in the wear of the polymers. The maximum wear resistance is displayed by epoxypolyamide composites filled with iron powder, cement, or graphite.

Published
1975
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