Direct Assessment & Guided Wave Testing
Direct Assessment & Guided Wave Testing
Direct Assessment & Guided Wave Testing
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Standard UT versus <strong>Guided</strong> <strong>Wave</strong>s<br />
Conventional UT<br />
♦ high frequency<br />
♦ short wavelength<br />
♦ sensitive to wall thickness<br />
♦ point measurement<br />
GWT<br />
♦ low frequency<br />
♦ long wavelength<br />
♦ sensitive to cross sectional<br />
area and symmetry<br />
♦ rapid screening<br />
SLIDE 34
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