EMATs for Science and Industry: Noncontacting Ultrasonic Measurements
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Cites background from "EMATs for Science and Industry: Non..."
...another attractive feature of EmaTs is their capability of generating a wide range of ultrasonic wave modes, by careful design of their geometric configuration [6], [7], including shear horizontal (sH) waves in plate-like structures or torsional waves in pipe-like components—wave modes which are not easily excited by traditional piezoelectric transducers....
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...Hirao and ogi [6] have shown that within the strong bias approximation, d has only two independent components: d22, proportional to the derivative of the magnetostriction curve at the operation point, and d61, proportional to the ratio of magnetostrictive strain over magnetic bias field....
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106Â citations
Cites background from "EMATs for Science and Industry: Non..."
...It should be mentioned that in ferromagnetic materials, in addition to the above described effect of Lorentz forces, two other transduction mechanisms, namely magnetostriction and magnetization forces are also significant [32]....
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