Vol. 19 No. 2 (2022): June 2022
Research Papers

Properties of GMR based sensor for Magnetic field measurement at increasing Temperature Conditions

Nagu Sathappan
School of Engineering, London South Bank University, London, UK
Mohammad Osman Tokhi
School of Engineering, London South Bank University, London, UK
John Rudlin
NDT Section(NSIRC), TWI, Cambridge, UK
Liam Penaluna
School of Engineering, London South Bank University, London, UK
Aman Kaur
School of Engineering, London South Bank University, London, UK
Zhangfang Zhao
School of Engineering, London South Bank University, London, UK
Fang Duan
School of Engineering, London South Bank University, London, UK
Ghloamhossein Shirkoohi
School of Engineering, London South Bank University, London, UK

Published 26-06-2022

Keywords

  • GMR effect,
  • Magnetic field,
  • Magnetic Flux Leakage testing,
  • Condition monitoring

How to Cite

Sathappan, N. ., Tokhi, M. O. ., Rudlin, J., Penaluna, L. ., Kaur, A., Zhao, Z. ., Duan, F., & Shirkoohi, G. . (2022). Properties of GMR based sensor for Magnetic field measurement at increasing Temperature Conditions. Journal of Non-Destructive Testing and Evaluation (JNDE), 19(2), 10–14. Retrieved from http://jnde.isnt.in/index.php/JNDE/article/view/2

Abstract

This paper presents investigations and associated results for the characterization of a giant magneto-resistance (GMR) sensor at varying temperature conditions. The approach constitutes an experimental setup using a commercial GMR sensor for the measurement of the magnetic field response of the system. The work aims to act as fully-operational evidence of the application, with an emphasis on the standard mode of operation and to improve the sensitivity of the measurement system. The system provides high flexibility in design applications where local magnetic fields must be detected. The measurement setup can be modified and redesigned for a wide variety of applications, thus allowing a path for future research, for better accuracy and extended operating range.

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