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Comparison of flux leakage transducers used for evaluation of stress loaded materials

T. CHADY1,* , G. PSUJ1, S. NAGATA2

Affiliation

  1. Department of Electrical Engineering, Szczecin University of Technology, ul. Sikorskiego 37, 70-313 Szczecin, Poland
  2. Faculty of Engineering, University of Miyazaki, 1-1 Gakuenkibanadai-nishi, Miyazaki, 889-2192, Japan

Abstract

In this paper several concepts of transducers were proposed to measure magnetic flux leakage. Different configurations of transducers’ pick-up section and magnetizing section were used. Differential and absolute GMR were applied as field sensing elements. The measurements were done on stress loaded planar specimens made of low carbon steel (SS400). Obtained results are presented and compared..

Keywords

Magnetic flux leakage, Stress loaded materials, Transducer.

Submitted at: March 13, 2008
Accepted at: May 14, 2008

Citation

T. CHADY, G. PSUJ, S. NAGATA, Comparison of flux leakage transducers used for evaluation of stress loaded materials, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 5, pp. 1052-1056 (2008)