Evaluation of Microstructure and Mechanical Properties of High-Strength Bainitic Cast Iron Using an Electromagnetic Sensor


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High-strength bainitic cast iron is studied after isothermal hardening at 340°C for from 0.5 to 5 h with the use of a non-destructive eddy-current method for monitoring the microstructure and mechanical properties. Iron microstructure is studied by optical microscopy and x-ray diffraction analysis. Brinell hardness and the impact energy are determined. Correlation is established between electromagnetic sensor signal, microstructure, and mechanical properties. It is shown that induced voltage and normalized impedance may be used for non-destructive monitoring of the production process and cast iron quality.

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M. Kashefi

Department of Materials Science and Metallurgical Engineering, Engineering Faculty, Ferdowsi University of Mashhad

编辑信件的主要联系方式.
Email: m-kashefi@um.ac.ir
伊朗伊斯兰共和国, Mashhad

M. Nateq

Department of Materials Science and Metallurgical Engineering, Engineering Faculty, Ferdowsi University of Mashhad

编辑信件的主要联系方式.
Email: mh.nateq@gmail.com
伊朗伊斯兰共和国, Mashhad

S. Kahrobaee

Department of Materials Engineering, Sadjad University of Technology

Email: mh.nateq@gmail.com
伊朗伊斯兰共和国, Mashhad

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