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The Total Focusing Method (TFM) is the systematic application of the basic focusing principle of the phased array in a defined region of interest (ROI) in an inspected part. The ROI is segmented into a grid of positions, or “pixels,” and focusing through phased array beamforming is applied to every pixel in that grid.
Advantages
Advantages
Good reliability and reproducibility of inspection.
Accurate sizing of tips of defects,.
Clear presentation and easy storage of results is available, alloving quick reference and comparison.
The propagation of defects can be monitored.
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