Abstract
This article describes the developed methodology for the prompt and reliable determination the mechanical properties quantitative indicators of the heat-treated steel products by a non-destructive method. For these cases, the non-destructive method of testing steel products is the most optimal option, due to the fact that it does not require destruction of the controlled sample and provides for the possibility of the product further operation. The use of non-destructive testing methods also contributes to significant savings in material and time resources. The essence of the method described in this work lies in the initial study of steel samples, measuring their coercive force, maximum magnetic permeability and residual magnetic induction for subsequent statistical analysis to determine the relationship between mechanical and electromagnetic properties. As a result of finding this correlation and checking its reliability, it becomes possible to determine the ultimate strength, yield strength and relative elongation on finished products, which are normalized indicators of the steel structural products strength properties. The proposed non-destructive method for determining the mechanical properties will allow its use in the production flow, while having the reliability of determining the quality indicators above 96 %.
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