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Analytical Method of EMAT Based on Magnetostrictive Mechanism

  • Songling HuangEmail author
  • Shen Wang
  • Weibin Li
  • Qing Wang
Chapter
Part of the Springer Series in Measurement Science and Technology book series (SSMST)

Abstract

If the tested specimen is ferromagnetic, the material will have magnetostrictive properties. Generally, the ultrasonic waves will be excited and received by EMAT in the specimen so that both the mechanisms of Lorentz force and magnetostriction are involved at the same time.

References

  1. 1.
    Hao, K.S., Huang, S.L., Zhao, W., et al.: Multi-belts coil longitudinal guided wave magnetostrictive transducer for ferromagnetic pipes testing. Sci China Technol Sci 54(2), 502–508 (2011)CrossRefGoogle Scholar
  2. 2.
    Hao, K.S.: Analysis and optimal design of electromagnetic ultrasonic transducers. Tsinghua University, Beijing (2008). (In Chinese)Google Scholar
  3. 3.
    Hao, K.S., Huang, S.L., Zhao, W., et al.: A new frequency-tuned longitudinal wave transducer for nondestructive inspection of pipes based on magnetostrictive effect. In: 2010 IEEE Sensors Applications Symposium Proceedings, pp. 64–68 (2010)Google Scholar

Copyright information

© Tsinghua University Press and Springer Science+Business Media Singapore 2016

Authors and Affiliations

  • Songling Huang
    • 1
    Email author
  • Shen Wang
    • 1
  • Weibin Li
    • 2
  • Qing Wang
    • 3
  1. 1.Department of Electrical EngineeringTsinghua UniversityBeijingChina
  2. 2.Xiamen UniversityXiamenChina
  3. 3.Durham UniversityDurhamUK

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