Local hardening evaluation of carbon steels by using frequency sweeping excitation and spectrogram method | Zendy

Yuji Tsuchida | Zendy; Yuki Kudo | Zendy; Masato Enokizono | Zendy

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Local hardening evaluation of carbon steels by using frequency sweeping excitation and spectrogram method

Author(s) -

Yuji Tsuchida,

Yuki Kudo,

Masato Enokizono

Publication year - 2017

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4974686

Subject(s) - spectrogram , induction hardening , materials science , excitation , hardening (computing) , carbon fibers , magnetic field , carbon steel , yield (engineering) , low frequency , metallurgy , composite material , computer science , electrical engineering , physics , engineering , corrosion , telecommunications , residual stress , layer (electronics) , quantum mechanics , composite number , computer vision

This paper presents our proposed frequency sweeping excitation and spectrogram method (FSES method) by a magnetic sensor for non-destructive testing of hardened low carbon steels. This method can evaluate the magnetic properties of low carbon steels which were changed after induction heating treatment. It was examined by our proposed method that the degrees of yield strength of low carbon steels were varied depending on hardened conditions. Moreover, it was made clear that the maximum magnetic field strength, Hmax, derived from the measured B-H loops was very sensitive to the hardening if the surface of the samples were flat.

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