PSI - Issue 6

Irina Stareva et al. / Procedia Structural Integrity 6 (2017) 48–55 Author name / Structural Integrity Procedia 00 (2017) 000 – 000

7

54

r r m a / and

R R m a / both the mentioned errors become greater.

For greater ratios

4. Conclusion

An algorithm is developed for the problem of a vertically standing or hanging long initially cylindrical tube subjected to mechanochemical corrosion under its own weight. As it was expected, the mechanochemical effect is noticeable for long enough tubes. Despite the fact that the stress grows very slowly with time, using the simplified formula ignoring the effect of synergetic growth of stress and corrosion rate is not justified when the mechanochemical effect should be taken into account.

Acknowledgements

This work was supported by the Russian Foundation for Basic Research (project N 16-08-00890).

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