Answer Posted / smalayappan
Ultrasonic flaw detectoris a non destructing testing
equipment. From the name anyone can easily understand that
it is used for detecting the internal flaws of a casting or
a forged component. It would be possible detect the defect
size and also the depth at which flaw is present. there are
two types. Single Probe and Two probe types./ They use
peizo crystal materials (Quartz) which has a unique
characteristic of giving mechanical vibrations when
elctrically excited and when mechanical vibrations are
given giving electrical output. This characteristic
property along with an oscilloscope will be used.
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