Issue |
E3S Web Conf.
Volume 515, 2024
International Scientific Conference Transport Technologies in the 21st Century (TT21C-2024) “Actual Problems of Decarbonization of Transport and Power Engineering: Ways of Their Innovative Solution”
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Article Number | 01017 | |
Number of page(s) | 7 | |
Section | Reducing CO2 Emissions From Vehicles | |
DOI | https://doi.org/10.1051/e3sconf/202451501017 | |
Published online | 12 April 2024 |
Self-repair of magnetically active composite sample in extreme compression test
Mechanical Engineering Research Institute of the Russian Academy of Sciences, 4 Maly Kharitonyevsky Pereulok, 101990, Moscow, Russia
* Corresponding author: minaev0804@ya.ru
A sample of a magnetically active composite with ferromagnetic fillers is studied. It is known that magnetoactive composites are of interest for use in a number of fields of science and technology. The characteristics of changes in the properties of magnetoactive composites with ferromagnetic fillers in compression tests under repeated loading are poorly studied. The study in different, wide force modes of compression to establish the conditions of self-restoration of the material shape is of practical and scientific interest for further use of the tested material. The machine on which the tests are carried out allows loading and studying the character of the sample behavior from small to extreme compression forces. The possibility of preserving the shape memory effect of the test material after a long period between the first and repeated test and under the condition of exceeding the compression force of the sample almost three times compared to the first test is determined. The dependence of the change in the magnitudes of the sample deformations on the compression load is determined. The ranges of non-linear character of variation of the sample deformations from the compression force starting practically from 60% of the value of its initial deformation are shown. The sample tested under extreme compression of up to 30 kN, as well as in the initial test, demonstrated self-recovery (shape memory effect). Thus, the effect of reversible deformation after extreme loads, which exceeded the initial ones by 3 times, was confirmed.
© The Authors, published by EDP Sciences, 2024
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