September 2020, Vol. 247, No. 9


A Clearer Picture: How Phased Array UT Delivers 3-D Results

Today’s advanced phased array UT instruments and software give technicians the computing power to transform traditional 2-D inspection data into full-color 3-D visualizations.  Phased array UT software creates a 3-D visualization by layering inspection results, seen in the A-scan data on the left side of the screen, over a CAD file or rendering of the component under test, on the right. The bright “hot spots” indicate corrosion or changes in thickness. (Photo: Zetec) Essentially, the process involves merging data from 2-D scans taken from different positions and angles and overlaying it onto a CAD file or 3-D rendering of the pipe, joi

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