Impedance plane is one of the most important ways for presenting results in Eddy current testing, which includes major data for evaluation of results. In this study, the impedance plane was drawn for carburized steel with different surface carbon...

A nondestructive eddy current technique is used to evaluate tempered martensite embrittlement in

4340 AISI steels after quench and tempering in the range 240–550 1C. A relation between the responses

of the ...