Abstract
The effect of structural parameters on the strength and crack resistance of maraging steels under single loading has been investigated. It has been found that the increase in strength due to dispersion hardening with intermetallic compounds in the steels studied is determined by the titanium content and the presence of cobalt. It has been shown that the change in crack resistance under single loading with increasing tempering temperature has a complicated character. It was found that, unlike the dynamic crack resistance, the minimum level of the static crack resistance characteristics of the steels studied corresponds to the maximum strength. Possible reasons for such a change in static and dynamic crack resistance characteristics are discussed.
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Funding
The work was carried out with the financial support of the Government of the Perm Territory within the scope of the scientific project C 26/513 and under the state order of the Ministry of Science and Technology of the Russian Federation (topics “Structure” no. 122021000033-2 and “Pressure” no. 122021000032-5).
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Translated by Z. Mesarkishvili
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Simonov, Y.N., Simonov, M.Y., Kaletina, Y.V. et al. Structure and Crack Resistance of Maraging Steels under Single Loading. Phys. Metals Metallogr. 124, 1032–1040 (2023). https://doi.org/10.1134/S0031918X23601737
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DOI: https://doi.org/10.1134/S0031918X23601737