Elastic and Magnetoelastic Properties of an Iron–Carbon Powder Steel
Source abstract
Abstract
The resonance frequency, internal friction, and emf of the double conversion are measured in samples of ZhGr steels of the variable density and carbon content by means of the resonance electromagnetic-acoustic conversion method. For the contactless excitation, the close correlation between the density (porosity) and the resonance frequency of the ultrasonic vibrations is obtained. It is shown that the magnetic state of the samples affects the internal friction. The dynamics of the field dependences of the emf is investigated with allowance for the internal friction in variation of the carbon content. This makes it possible to determine the optimum interval of the field for estimating this parameter.
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Research context
OpenAlex topics: Material Properties and Failure Mechanisms · Metallurgy and Material Forming · Microstructure and Mechanical Properties of Steels
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References (13)
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