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- Article name
- Model of nonlinear deformation of carbon fiber reinforced plastics
- Authors
- DUMANSKY A. M., , alduman@rambler.ru, Federal budget-funded research "Institute of Machines Science named after A. A. Blagonravova of RAS", Moscow, Russia
RUSLANTSEV A. N., , andreiruslansev@gmail.com, Moscow State Technical University named after N. E. Bauman, Moscow, Russia
TAIROVA L. P., , com-or@yandex.ru, Moscow State Technical University named after N. E. Bauman, Moscow, Russia
- Keywords
- layered carbon reinforced plastic / model of nonlinear straining / classical lamination theory / compliance matrix / stiffness matrix
- Year
- 2013 Issue 4 Pages 6 - 12
- Code EDN
- Code DOI
- Abstract
- Use of carbon fiber reinforced plastics in advanced aviation and spacecraft structures provides increase of durability, fuel use efficiency, structure stiffness, corrosive resistance and other specifications. To attain maximal achievement of carbon fiber reinforced plastics (cfrp) mechanical properties the structure-phenomenological methods for prediction of environmental effects resistance is required. On the basis of classical lamination theory and analytical approximation of straining curve of unidirectional layer at shear plane layer shear stress-strain a calculated-analytical model allowing the prediction of nonlinear behavior of multidirectional cfrp was suggested. The explicit expressions for stiffness and compliance matrices representing the multiplication of the corresponding matrices of the elastic properties by correcting matrices allowing nonlinear properties to be taken into account.
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