Výsledky vyhledávání - "V. G. Borovik"

New structural unidirectional-fiber material

Autor: V. G. Borovik, V. N. Subbotin, O. N. Grigor'ev

Publikováno v: Powder Metallurgy and Metal Ceramics. 51:49-55

Structural basaltic materials are analyzed to establish the relationship of their structure to strength and fracture resistance. It is shown that their strength is determined by the size of initial crack-like defects, and fracture resistance by the a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e664c4b02e26eb9e2aac63cd9daa18a
https://doi.org/10.1007/s11106-012-9395-4

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Stress intensity factors K I and K II for cracks at the tips of parallel pore channels with starlike cross-sections

Autor: V. G. Borovik

Publikováno v: Powder Metallurgy and Metal Ceramics. 50:130-140

Mode I and mode II stress intensity factors (SIFs) are determined for a material with parallel pore channels of Y-shaped cross-section with centers at nodes of a regular hexagonal grid and arms aligned with the sides of hexagons. Calculations are per

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba158fdab6201373b56fa69a33bcbd4e
https://doi.org/10.1007/s11106-011-9310-4

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Modeling the effective elastic properties of materials with parallel pore channels with Y-shaped cross-sections

Autor: V. G. Borovik

Publikováno v: Powder Metallurgy and Metal Ceramics. 49:272-279

The paper determines the effective elastic properties of a model material containing pore channels with cross-sections as Y-shaped cracks centered at the nodes of a regular hexagonal network and having arms aligned with the links of the network. A un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9cb67423817ae1305b80d9cbb9e8c17f
https://doi.org/10.1007/s11106-010-9233-5

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Modeling the effective elastic properties of materials pressed from a unidirectional hexagonal fiber strand

Autor: V. G. Borovik

Publikováno v: Powder Metallurgy and Metal Ceramics. 49:8-16

The paper studies the interrelation between the effective elastic properties and the size of contact areas in the unit cell in modeling a unidirectional hexagonal fiber strand under isostatic and uniaxial pressing in a plastic flow. For a range of re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cca026bb8f07c97572a25131dee457b
https://doi.org/10.1007/s11106-010-9195-7

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Modeling the formation of internal boundaries in an unidirectional fiber strand compacted in plastic state

Autor: V. G. Borovik

Publikováno v: Powder Metallurgy and Metal Ceramics. 48:388-395

The formation of internal boundaries in a unidirectional fiber strand during isostatic and uniaxial pressing in plastic state is studied. The process is modeled using the finite-element method (FEM). An ideal contact elastoplastic problem for a hexag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e552b0725436a978bf97f8276b06916e
https://doi.org/10.1007/s11106-009-9154-3

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Deformation behavior of skeletal composites under mechanical loading

Autor: N. P. Brodnikovskii, L. L. Kolomiets, V. A. Dubok, V. G. Borovik, V. A. Zorin, Yu. G. Bezymyannyi, S. M. Solonin, V. V. Skorokhod, A. A. Ivashin, V. P. Katashinskii

Publikováno v: Powder Metallurgy and Metal Ceramics. 46:378-384

The deformation behavior of ceramic-metal composites with a bulk-linked metal skeleton made of highly porous cellular nickel and a stainless wire mesh is examined. It is established that samples of skeletal ceramics remain intact after all types of d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8877144574a203ba076eac1b2823681a
https://doi.org/10.1007/s11106-007-0059-8

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Stainless-steel porous-layered and framework fiber-powder composites

Autor: V. G. Borovik, A. G. Kostornov, Yu. N. Podrezov, Yu. G. Bezymyannyi, A. L. Moroz, V. N. Klimenko

Publikováno v: Powder Metallurgy and Metal Ceramics. 45:35-39

Porous layered and framework composites have been made from stainless-steel fibers and powders in the form of sheets. Measurements have been made on the electrical conductivity, elastic modulus, and ultrasound speed as dependent on the porosity, fibe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c5b5eae45752dd092781cd04eb6fff5
https://doi.org/10.1007/s11106-006-0039-4

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