To expand the use of magnetostrictive sensor (MsS) technology into new areas, this paper describes a new application of MsS technology using ultrasonic guided waves for testing of large tank bottom floors
Cho, S.H., J.S. Lee and Y.Y. Kim, “Guided Wave Transduction
Experiment Using a Circular Magnetostrictive Patch and a
Figure-of-Eight Coil in Nonferromagnetic Plates,” Applied
Physics Letters, Vol. 88, 224101, 2006, pp. 1–3.
Kwun, H., US Patent 5,767,766, “Apparatus and Method for
Monitoring Vehicular Impacts Using Magnetostrictive
Sensors” June 1998.
Kwun, H. and K.A. Bartels, “Magnetostrictive Sensor Technology
and Its Applications,” Ultrasonics, Vol. 36, 1998, pp.
171–178.
Kwun, H. and C.M. Teller II, US Patent 5,456,113, “Nondestructive
Evaluation of Ferromagnetic Cables and Ropes
Using Magnetostrictively Induced Acoustic/Ultrasonic
Waves and Magnetostrictively Detected Acoustic Emissions,”
October 1995a.
Kwun, H. and C.M. Teller II, US Patent 5,457,994, “Nondestructive
Evaluation of Non-ferromagnetic Materials Using
Magnetostrictively Induced Acoustic/Ultrasonic Waves and
Magnetostrictively Detected Acoustic Emissions,” October
1995b.
Kwun, H. and C.M. Teller II, US Patent 5,581,037, “Nondestructive
Evaluation of Pipes and Tubes Using Magnetostrictive
Sensors,” December 1996.
Kwun, H., K. Bartels and J.J. Hanley, US Patent 5,821,430,
“Method and Apparatus for Conducting in-situ Nondestructive
Tensile Load Measurements in Cables and Ropes,”
October 1998.
Kwun, H., C.M. Teller II, R.C. Meyer and K.R. Swenson, US
Patent 6,212,944, “Apparatus and Method for Monitoring
Engine Conditions, Using Magnetostrictive Sensors,” April
2001.
Kwun, H., S.Y. Kim and G.M. Light, “The Magnetostrictive
Sensor Technology for Long Range Guided Wave Testing and
Monitoring of Structures,” Materials Evaluation, Vol. 61,
2003, pp. 80–84.