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Analysis of methods for determination of the constants of elasticity unidirectional layer composite materials

Authors: Rubashevskyi, V.; Zarazovskii, M.; Shukyev, S.;

Analysis of methods for determination of the constants of elasticity unidirectional layer composite materials

Abstract

Analytical methods for determining the elasticity constants of unidirectional composite materials, such as the rule of a mixture, model of coaxial cylinders, model Kilchinsky and model Vanin are considered. The main assumptions made in the calculations are reduced to the fact that the fibers and the matrix are isotropic elastic materials, which, when loaded, are deformed together, which is ensured by the presence of a rigid connection between them. The calculations of elastic characteristics are presented and a comparative analysis of the chosen approaches is performed on the example of layered composite materials. Recommendations concerning the expediency of using the considered methods are made.

Рассмотрены аналитические методы определения констант упругости однонаправленного композиционных материалов, таких, как правило, смеси, модели коаксиальных цилиндров, модель Кильчинського и Ванина. Основные предположения, которые принимаются в расчетах, сводятся к тому, что волокна и матрица - изотропные упругие материалы, которые при нагрузке композиции деформируются совместно, что обеспечивается наличием между ними жесткой связи. Представлены расчеты упругих характеристик и выполнен сравнительный анализ выбранных подходов на примере слоистых композиционных материалов. Сделано рекомендации относительно целесообразности применения рассмотренных методов.

Розглянуто аналітичні методи визначення констант пружності однонаправленних композиційних матеріалів, таких як правило суміші, моделі коаксіальних циліндрів, модель Кільчинського та Ваніна. Основні припущення, які приймаються в розрахунках, зводяться до того, що волокна і матриця - ізотропні пружні матеріали, які при навантаженні композиції деформуються спільно, що забезпечується наявністю між ними жорсткого зв'язку. Представлено розрахунки пружних характеристик і виконано порівняльний аналіз обраних підходів на прикладі шаруватих композиційних матеріалів. Зроблено рекомендації щодо доцільності застосування розглянутих методів.

Keywords

однонаправленний композиційний матеріал; механічні характеристики; пружні константи; методи визначення пружних констант, unidirectional composite material; mechanical characteristics; elastic constants; methods for determining elastic constants, однонаправленный композиционный материал; механические характеристики; упругие константы; методы определения упругих констант

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold