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- Article name
- MODELING OF SURFACE STRESSES IN TENSIONING STEEL SAMPLES USING THE METHOD OF SCANNING CONTACT POTENTIOMETRY
- Authors
- Surin V. I., , VISurin@mephi.ru, National Nuclear University «MEPHI», Moscow, Russia
Osintsev A. V., , AVOsintsev@mephi.ru, National Researc Nuclear University "MEPhi", Moscow, Russia
Polsky V. I., , VIPolsky@mephi.ru, National Research Nuclear University "MEPhI", Moscow, Russia
Dzhumaev P. S., , PSDzumaev@mephi.ru, National Research Nuclear University "MEPhI", Moscow, Russia
- Keywords
- electrical contact / scanning contact potentiometry / surface stresses
- Year
- 2017 Issue 2 Pages 42 - 49
- Code EDN
- Code DOI
- Abstract
- We developed a mathematical model for determining surface mechanical stresses in metal plates on the basis of electrical microcontact theory and an approach in which the electrical contact is represented as a set of multiple, actively interacting electrical RC-chains. The arising currents circulating through the surfaces of the spots of microscopic contacts change when there is an elastic deformation, and also as a result of activation of the processes of surface fluidity. The developed model was used to calculate the surface stresses in the ЭИ 847 tensile tests.
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