Journal of Applied Mechanics and Technical Physics

, Volume 59, Issue 6, pp 1118–1125 | Cite as

Presenting a Model for Prediction of Crack Growth Under Simultaneous Creep and Corrosion

  • M. ZarkeshEmail author


The process of crack growth in parts subjected to hot fluids is studied. The high temperature of the fluid activates the creep and corrosion processes. The hereditary creep theory is used for calculating the stress field. A creep function is introduced to determine the forces acting on the crack at the crack concealment and crack growth stages. The resisting force is calculated by using the Rabotnov method of accumulated small fractures in the crack region. The effect of the corrosive environment is considered in the calculations by using the penetration function. The resultant equations are solved by using the MATLAB software. The effects of the initial crack length and the applied stress on the crack growth curve are investigated.


crack growth creep function hereditary crack theory corrosive environment critical length of the crack 


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© Pleiades Publishing, Inc. 2018

Authors and Affiliations

  1. 1.Faculty of Mechanical Engineering, University Islamic AzadDashtestan branchDashtestanIran

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