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

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,Fette und fettartige Körper (Lipoide),ltrasonic-velocity changes and their anisotropy caused by stress, and is capable of measuring residual stress nondestructively (Chapter 10). One of major subjects of acoustoelastic studies has been the separation of the stressinduced anisotropy from the intrinsic anisotropy.

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https://doi.org/10.1007/978-3-662-41554-2see §10.4.2). They potentially induce wheel failure and derailment, causing catastrophic damage. Early detection of flaws is required for replacement, which is realized with the automatic inspection of every wheel on a train.

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,„Kultur“ und die Kulturwissenschaften, horizontal axis in Fig. 4.1 is the time measured from the excitation, and the vertical axis is the wave amplitude. .. denotes the round-trip time through the thickness. The amplitude decays as the propagation path increases, depending on attenuation of the material.

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Free-Decay Measurement for Attenuation and Internal Friction waves, relying on electromagnetic acoustic resonance (EMAR). Use of a noncontacting and weakly coupling EMAT has a distinctive advantage of eliminating the extra energy losses, which otherwise occur in case of using a conventional contacting transducer.

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Book 20031st editionand industrial ultrasonic measurements on materials. The text is arranged in four parts: .-PART I is intended to be a self-contained description of the basic elements of coupling mechanism along with practical designing of EMATs for various purposes. There are several implementations to compensate f