Geodesic
Mathematical effective equation of unloading of porous metal composite materials
Čebyševskij sbornik, Tome 22 (2021) no. 4, pp. 352-360

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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. 
@article{CHEB_2021_22_4_a19,
     author = {I. K. Arkhipov and V. I. Abramova and S. N. Kutepov and A. E. Gvozdev and O. V. Kuzovleva},
     title = {Mathematical effective equation of unloading of porous metal composite materials},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {352--360},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2021_22_4_a19/}
}
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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. Čebyševskij sbornik, Tome 22 (2021) no. 4, pp. 352-360. http://geodesic.mathdoc.fr/item/CHEB_2021_22_4_a19/