Method for ultrasonic evaluation of materials using time of flig

Details Method for ultrasonic evaluation of materials using time of flig Method for ultrasonic evaluation of materials using time of flig

1995-07-31

1997-05-20

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

73588, G01N 2904

Patent

active

056314248

ABSTRACT:
A nondestructive evaluation method is described for ultrasonic evaluation and detection of features in polycrystalline materials, such as grain orientation (e.g. texturing) or grain boundary orientation. The method may, for example, be employed to detect diffusion bonds that contain undesirable planar grain boundary arrays. The method utilizes time of flight statistics gathered from reflections associated with incident ultrasonic signals directed into a plurality of locations within the material.

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