TECHNOLOGICAL FEATURES OF CEMENTATION OF LOW-ALLOY STRUCTURAL STEEL
Keywords:
Carburization, low-alloy carbon steel, strengthening, hardening, hardness.Abstract
This article presents the results of studies on the formation of the structure of alloy structural steels during carburization. A distinctive feature of the study of the process of structure formation is that medium-carbon steels with a carbon content of 0.4 - 0.55% were selected as the object of study, while steels with a carbon content of 0.3% were mainly studied. A new scheme for strengthening structural steels was proposed by combining the carburization process with high-temperature heating. As a result, it was possible to obtain a surface layer of low-alloy structural steel consisting of fine-needle martensite and small grains of retained austenite and carbides.
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