Features of Electromagnetic-to-Acoustic Conversion in Thermally Processed 30KhGSA Steel
Source abstract
Abstract
The paper reports on an experimental investigation of EMAC parameters characterizing the 30KhGSA steel as functions of temperature in samples processed at various tempering temperatures Ttem. The EMAC efficiency varies with temperature in a different manner in samples processed at different tempering temperatures. The character of correlations among EMAC parameters as functions of Ttem remains largely the same over the temperature range between the room temperature and 200°C. Features of EMAC have been studied in the regions of domain wall displacement and domain rotation. We have found a parameter that is a derivative of the ΔE-effect and correlates with the impact toughness.
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Research context
OpenAlex topics: Material Properties and Failure Mechanisms · Microstructure and Mechanical Properties of Steels · Fatigue and fracture mechanics
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References (14)
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