Abstract

We demonstrate the possibility of prediction of the durability of damaged steel pipes. The electrochemical reactions between the metal and water lead to the appearance of slotlike corrosion defects playing the role of stress concentrators and leading to the local overstressing of the material and fracture of the pipes. The durability of the pipes is found as a function of the growth rate of corrosion defects and the degree of stress concentration. The rate of electrochemical corrosion increases with temperature, which decreases the durability of the pipes.

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