Abstract

Abstract—The effect of structural parameters on the strength and crack resistance of maraging steels under single loading has been studied. It has been established that the increase in strength due to dispersion hardening with intermetallic compounds in the studied steels is determined by the titanium content and the presence of cobalt. It was shown that the change in crack resistance under single loading with increasing tempering temperature has a complex character. It has been established that, in contrast to dynamic crack resistance, the minimum level of static crack resistance characteristics of the studied steels corresponds to the maximum strength. Possible reasons for such a change in the characteristics of static and dynamic crack resistance are discussed.

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