Addendum-01a Equipment Calibrations My ASNT Level III UT Study Notes. 2014-June
UT testing self study notes
UT testing self study notes
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Perspex as Matching Layer/Wedge<br />
1. The Shear wave velocity of Perspex is 2730m/s, the shear wave velocity<br />
od steel is 3250m/s. The refracted angle of Perspex ϴ S1 is always smaller<br />
than ϴ S2<br />
2. Pespex is very absortive and attenuated efficiently, thus reflected<br />
compressional wavw will be dampen.
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