Abstract

The influence of content of the martensite phase that is from 0 to 50% (vol.) on hardness and tribomechanical properties of trip-steel VNS9-Sh (ВНС9-Ш) under conditions of dry sliding friction on steel ShKh15 (ШХ15) (counterbody) has been investigated. It was found out that the best combination of hardness and wear resistance was possessed by steel with martensite phase content ≈32% (vol.). It is shown that with comparable hardness and tribomechanical properties, VNS9-Sh steel is more than twice as strong as 110G13L steel (110Г13Л).

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