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Chebyshevskii Sbornik, 2021, Volume 22, Issue 4, Pages 352–360
DOI: https://doi.org/10.22405/2226-8383-2021-22-4-352-360 (Mi cheb1111) 		 
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Mathematical effective equation of unloading of porous metal composite materials

I. K. Arkhipova, V. I. Abramovaa, S. N. Kutepova, A. E. Gvozdeva, O. V. Kuzovlevab

a Tula State Lev Tolstoy Pedagogical University (Tula)
b Russian State University of Justice (Moscow)
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DOI: https://doi.org/10.22405/2226-8383-2021-22-4-352-360
Abstract: Aking into account the microplasticity in the vicinity of the pores, an effective discharge equation is obtained. The influence of porosity on the residual deformation under uniaxial tension of a sample of a porous metal composite is taken into account. The nonlinearity in the deformations of the discharge curve, which is caused by microplasticity, is established. Numerical calculations of the residual strain as a function of the initial stress and porosity are given.
Keywords: composite materials, matrix, microplastic zones, residual deformations, porosity.
Received: 13.07.2021
Accepted: 06.12.2021
Document Type: Article
UDC: 539.3
Language: Russian
Citation: I. K. Arkhipov, V. I. Abramova, S. N. Kutepov, A. E. Gvozdev, O. V. Kuzovleva, “Mathematical effective equation of unloading of porous metal composite materials”, Chebyshevskii Sb., 22:4 (2021), 352–360
Citation in format AMSBIB
\Bibitem{ArkAbrKut21}
\by I.~K.~Arkhipov, V.~I.~Abramova, S.~N.~Kutepov, A.~E.~Gvozdev, O.~V.~Kuzovleva
\paper Mathematical effective equation of unloading of porous metal composite materials
\jour Chebyshevskii Sb.
\yr 2021
\vol 22
\issue 4
\pages 352--360
\mathnet{http://mi.mathnet.ru/cheb1111}
\crossref{https://doi.org/10.22405/2226-8383-2021-22-4-352-360}
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