装勇敢地做
发表于 2025-3-30 09:16:31
https://doi.org/10.1007/978-3-662-36323-2rs at the defect edges, provide the information on the remaining thickness of the waveguides. The other is the point-focusing EMAT, which enables detecting stress corrosion cracking located close to the welded joint of austenitic stainless steel. A meander-line coil is designed to focus the generated SV waves at an intended point.
elastic
发表于 2025-3-30 15:59:32
Introduction,he importance is demonstrated by the signal distortion induced by a piezoelectric transducer and also by comparing the received signals observed by a piezoelectric transducer and an electromagnetic acoustic transducer (EMAT) on the same metal plate. Only one weakness of EMATs is the low transduction
豪华
发表于 2025-3-30 17:56:09
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Substance
发表于 2025-3-31 00:06:48
Brief Instruction to Build EMATs the electric circuit, and impedance matching is required for improving EMAT’s transduction efficiency. This chapter describes how to fabricate EMAT with examples. Some designs for impedance-matching circuit are also given.