Assessment of the residual life of a plate with a system of cracks under maneuver loading and exposure to a corrosive environment

Keywords

residual lifetime, plate with a system of cracks, corrosive environment, mathematical model, energy approach.

Cite as

Andreikiv O. Ye., Dolinska I. Ya., and Skalskyi Т. V. Assessment of the residual life of a plate with a system of cracks under maneuver loading and exposure to a corrosive environment. Physicochemical Mechanics of Materials. 2025. 61(2), 075-081.

https://doi.org/10.15407/pcmm2025.02.075

 

Abstract

Using the energy approach, a mathematical model is developed to study the kine­tics and determine the period of subcritical growth of a crack system in a plate under the influence of corrosive environment and a maneuverable loading mode. The mathematical model is a dif­ferential equation with initial and boundary conditions which describe the rate and direction of crack propagation. The model was applied to determine the residual lifetime of a plate made of steel St3 with a two-periodic system of cracks under maneuverable loading and corrosive-active environment.

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