Issue |
E3S Web of Conf.
Volume 402, 2023
International Scientific Siberian Transport Forum - TransSiberia 2023
|
|
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Article Number | 11008 | |
Number of page(s) | 6 | |
Section | Manufacturing and Processing of Materials for Transport Industry | |
DOI | https://doi.org/10.1051/e3sconf/202340211008 | |
Published online | 19 July 2023 |
Effect of forming on automotive sheet steel performance properties
1 Nizhny Novgorod State Technical University named after R.A. Alekseev, Minin Street, 24, 603950, Nizhny Novgorod, Russia
2 Minin Nizhny Novgorod State Pedagogical University, Chelyuskintsev street, 9, 603138, Nizhny Novgorod, Russia
* Corresponding author: mariyamuhina@yandex.ru
In all industry sectors and in the automotive industry, in particular, structural materials that undergo various treatment methods are widely used. Various types of plastic deformation are widely used in the manufacture of products and structural elements made of low-carbon sheet steels. The authors studied the effect of the degree of technological deformation on the fatigue process parameters of flat low-carbon steels. It has been established that the preliminary deformation within the uniform limits causes an increase in fatigue resistance. The kinetic diagrams of the fatigue failure are used to estimate the change in durability from the rate of accumulation of fatigue damage at the cyclic deformation stage until the moment of origination and propagation of the fatigue crack. The ratio of the duration of fatigue failure stages of some sheet automotive steels depending on the degree of preliminary strain by stretching at a given amplitude stress of the cycle is revealed.
© The Authors, published by EDP Sciences, 2023
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