Coil volumetric and surface defect detection system

Details Coil volumetric and surface defect detection system Coil volumetric and surface defect detection system

1996-09-20

1999-02-02

Williams, Hezron

Measuring and testing

Vibration

By mechanical waves

73159, 73597, 73598, 73602, G01N 2910, G01N 2926

Patent

active

058668209

ABSTRACT:
A EMAT inspection system is utiliized on sheet metal prior to it being formed or rolled to identify surface defects and sub-surface defects such as pencil pipe inclusions by using ultrasonic Lamb waves with the results being displayed on a remote screen of a display and control system which also records the inspection results and controls the EMAT system.

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Disclosure of Physical Machine and Product Information at AISE Convention, Pittsburgh, PA. Sep. 25, 1995.

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