Abstract
In this paper the bridged crack model is used for the efficiency evaluation of cracks healing in materials for stents manufacturing. During of materials self-healing the following stages should be considered: 1) formation and growth flaws/cracks under external loading; 2) activation of self-healing mechanisms; 3) healing of flaws/cracks with partial or total restoration of bonds between crack surfaces. The modelling target consists of the computational analysis of the bridging stresses distribution and in the computing of the stress intensity factors which are the main characteristics of a crack self-healing efficiency. The mathematical background of the stresses problem solution is based on the singular integral-differential equations. The kinetic model is used to evaluate the regeneration time of the crack bridged zone. The model can be used for the evaluation of composite materials self-healing and durability. Some results of self-healing processes analysis are presented and discussed.
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