电磁超声换能器(EMAT)是一种通过电磁耦合方法产生和接收超声波的换能器。
An electromagnetic acoustic transducer (EMAT) can produce and receive ultrasonic waves though electromagnetic coupling.
简要叙述了电磁超声换能器(EMAT)的基本原理、主要特点及其在管加工厂管端探伤中应用的情况。
Introducing the theory of EMAT as well as its main characters and the applications in pipe end inspection at pipe Finishing Plant.
本文主要是对用电磁声换能器，通过测量超声波幅度变化来测量铁磁性材料内部应力的方法进行实验研究。
The stress in ferromagnetic materials was studied by measuring the change of the amplitude of ultrasonic wave with electromagnetic acoustic transducers.
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