Deformation and destruction as processes of change of volume, the areas of a surface and the linear sizes in loaded bodies

Erasov V.S., Oreshko E.I.
UDC
620.178.6
DOI
10.18577/2307-6046-2016-0-8-11-11
Article PDF (Russian) (614.56 KB)
How to cite
Erasov V.S., Oreshko E.I. Deformation and destruction as processes of change of volume, the areas of a surface and the linear sizes in loaded bodies // Proceedings of VIAM. 2016. No. 8. DOI: 10.18577/2307-6046-2016-0-8-11-11. URL: https://test.viam.ru/en/journal/2016/8/11
Keywords
potential energy, body volume, free surface of a body, specific work, destruction, deformation.
Abstract

Considering the possession fact a point on a surface of a firm body superfluous in comparison with a point in body volume potential energy, models of deformation and destruction of loaded bodies at the expense of processes of change of volume, the areas of a surface and the linear sizes of a body are developed. The assessment of the extent of defect from a time to the critical sizes of a crack depending on locality of concentration of energy in body volume is carried out, possibility of growth of defects till the critical sizes is shown. Comparison of conditions of loss of stability in crack development by Griffith criterion and to the criterion received in work is presented. Work is executed within implementation of the complex scientific direction 3.3. «Technology of forecasting of properties, modeling and implementation of modern processes of designing and production of products from non-metallic and composite materials with use of the digital methods compatible to CAD/CAM/CAE an

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