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- Title
One approach to the evaluation of durability of solid bodies.
- Authors
Datsyshyn, O. P.; Marchenko, H. P.; Hlazov, A. Yu.; Levus, A. B.
- Abstract
For the evaluation of the residual service life of materials according to their crack resistance by using the equations of complete diagram of fatigue fracture, it is recommended to introduce the conventional threshold crack growth rate ?th. We develop a special procedure for the evaluation of durability and illustrate its efficiency by analyzing the wheel-rail and backup-roll-working-roll (of a rolling mill) rolling couples as an example. The accumulated results agree, in the order of magnitude, with the available experimental data. It is shown that durability is very sensitive to the value of ?th.
- Subjects
SERVICE life; SOLIDS; ROLLING-mill machinery; STRENGTH of materials; FRACTURE mechanics; RELIABILITY in engineering
- Publication
Materials Science, 2004, Vol 40, Issue 4, p484
- ISSN
1068-820X
- Publication type
Article
- DOI
10.1007/s11003-005-0065-2