Journal of Magnetism and Magnetic Materials, ( ISI ), Volume (382), No (3), Year (2015-5) , Pages (359-365)

Title : ( Electromagnetic nondestructive evaluation of tempering processin AISI D2 tool steel )

Authors: Saeid Kahrobaee , Mehrdad Kashefi Torbati ,

Access to full-text not allowed by authors

Citation: BibTeX | EndNote


The present paper investigates the potential of using eddy current technique as a reliable nondestructive tool to detect microstructural changes during the different stages of tempering treatment in AISID2 tool steel. Five stages occur in tempering of the steel: precipitation of ɛ carbides, formation of cementite, retained austenite decomposition,secondary hardening effect and spheroidization o fcarbides.These stages were characterized by destructive methods,including dilatometry, differential scanning calori- metry, X-ray diffraction,scanning electron microscopic observations,and hardness measurements.The microstructural changes alter the electrical resistivity/magnetics aturation,which, in turn, influence the eddy currentsignals.Two EC parameters,induced voltage sensed by pickup coil and impedance point detected by excitation coil,were evaluated as a function of tempering temperature to characterize the microstructural features, nondestructively. The study revealed that a good correlation exists between the EC parameters and the microstructural changes.


, Nondestructive method, Eddy current, Microstructural changes, Tempering treatment, Cold work tool steel
برای دانلود از شناسه و رمز عبور پرتال پویا استفاده کنید.

author = {Kahrobaee, Saeid and Kashefi Torbati, Mehrdad},
title = {Electromagnetic nondestructive evaluation of tempering processin AISI D2 tool steel},
journal = {Journal of Magnetism and Magnetic Materials},
year = {2015},
volume = {382},
number = {3},
month = {May},
issn = {0304-8853},
pages = {359--365},
numpages = {6},
keywords = {Nondestructive method; Eddy current; Microstructural changes; Tempering treatment; Cold work tool steel},


%0 Journal Article
%T Electromagnetic nondestructive evaluation of tempering processin AISI D2 tool steel
%A Kahrobaee, Saeid
%A Kashefi Torbati, Mehrdad
%J Journal of Magnetism and Magnetic Materials
%@ 0304-8853
%D 2015