Abstract
The paper describes the process of carburizing and hardening of 45 and 09G2S steels for the production of samples for the development of a technique for eddy current testing of the quality and thickness of hardened layers on ferromagnetic cores. Structural analysis of samples in the initial state, in the hardened state, as well as after carburizing and hardening was carried out. As a result of metallographic studies it was obtained that the depth of the cemented layer of steel 45 was equal to 250 microns, and in case of steel 09G2C it is in the range of 550-800 microns.
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