| 摘要 |
<p>An EMAT device for non-destructive inspection of the surface of a tube (29) for cracks using acoustic surface waves, includes a pulsed magnet (10) having an active surface for facing the surface of a tube, a receive EMAT coil (24) on the active surface and a transmit EMAT coil (22) is on the opposite surface of the receive coil (24).</p> |
