MATEC Web Conf.
Volume 253, 20192018 International Conference on Materials Science and Manufacturing Engineering (MSME 2018)
|Number of page(s)||6|
|Section||Material Properties & Characterization|
|Published online||14 January 2019|
Two Approaches to the Problem of High-cycle Fatigue of Materials and Structures
Institute of Engineering Science, RAS (Ural Branch), 620049, 34 Komsomolskaya st., Yekaterinburg, Russia
2 Ural Federal University, 620002, 19 Mira Street, Yekaterinburg, Russia
a Corresponding author : firstname.lastname@example.org
Creation of new types of materials and development of new methods aimed at extending the lifetime of structures are two interconnected approaches to solve the problem of metallic structures fatigue. The paper considers a method for estimating the efficiency of damping implemented in metallic structures by means of energy-intensive materials. The results of comparative calculation are given on the ultimate number of transverse vibration cycles in bridge girders. The calculation uses a linear hypothesis of fatigue-caused damage summation and a model of cyclic material degradation. Notable increase of the vibration decrement for foam-filled metallic structures is predicted, with the lifetime of products lengthening as a result.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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