| Issue |
MATEC Web Conf.
Volume 226, 2018
XIV International Scientific-Technical Conference “Dynamic of Technical Systems” (DTS-2018)
|
|
|---|---|---|
| Article Number | 03006 | |
| Number of page(s) | 5 | |
| Section | 3 Issues of creation and mechanics of heterogeneous and composite materials | |
| DOI | https://doi.org/10.1051/matecconf/201822603006 | |
| Published online | 07 November 2018 | |
Features of destruction of a ferrite-martensitic composite
Don State Technical University, Physical and Applied Materials Science Department, 344000 Rostov-on-Don, Russia
* Corresponding author: yuridol@mail.ru
The behavior of a crack in steel with the structure of a ferriticmartensitic composite is studied. The modes of heat treatment for obtaining a composite structure with alternating layers of ferrite and martensite are given. The kinetics of crack development during cyclic tests was studied. The obtained data show that the rate of development of the crack in the material with the structure of the composite is substantially lower than for the usual sorbite structure. It is shown that the frontal growth of the crack in the composite is carried out with “stops”, on which the matrix deforms and its stratification occurs in the direction normal to the front of the crack motion.
© The Authors, published by EDP Sciences, 2018
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