Electromagnetical ultrasonic thickness-measuring method

The invention discloses a method for detecting ferrous magnetic material thickness by utilizing electromagnetic ultrasound, and is characterized in that a magnet inside an electromagnetic ultrasound transducer takes a U-shaped permanent magnet, a coil takes a PCB double-layer coil that takes the sha...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG YONGSHENG, HAO KUANSHENG, WANG SHEN, ZHAO WEI, YE CHAOFENG, HUANG SONGLING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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