Titlebook: EMATs for Science and Industry; Noncontacting Ultras Masahiko Hirao,Hirotsugu Ogi Book 20031st edition Springer Science+Business Media New

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Book 20031st editionoring of dislocation behavior, determination of anisotropic elastic constants, and acoustic nonlinearity evolution. .-PART IV deals with a variety of individual topics encountered in industrial applications, for which the EMATs are believed to the best solutions.

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situ monitoring of dislocation behavior, determination of anisotropic elastic constants, and acoustic nonlinearity evolution. .-PART IV deals with a variety of individual topics encountered in industrial applications, for which the EMATs are believed to the best solutions.978-1-4757-3743-1

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Measurement of Induction-Hardening Depthgives the case thickness in an A-scope display. It, however, requires the parts to be immersed in a water tank for acoustic coupling, making on-line inspection inapplicable. Another shortcoming is that the dominant front echo masks the signal from a shallow interface and this technique fails for a t

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n, and (iii) magnetostriction mechanism by the piezomagnetic effect. The Lorentz-force mechanism arises in all conducting materials, while other two appear only in ferromagnetic materials. For nonmagnetic metals, therefore, the Lorentz-force mechanism explains exactly the transfer with an EMAT (Gaer

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undaries in natural rocks, for instance. The opposite faces are in contact with each other but not well tightly. They open, close, or grind responding to the applied stress and acoustic fields. This rectifying effect can distort the waveform causing the nonlinearity.

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Physikalisch-chemische Vorbemerkungen,will be reviewed in the following sections. They used EMATs to launch and detect pulsed longitudinal wave in the low-MHz range. The time-of-flight becomes an interior temperature gauge, enabling noncontact and real-time monitoring.

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