Guided Wave Technology (GWT)
Detect, locate and classify corrosion defects
Guided waves are mechanical stress waves that propagate contained within the structural boundaries of pipes or plates with wavelengths that are comparable to the thickness dimensions of the pipe or plate.
Guided waves are used in rapid testing or screening tools to detect, locate and classify corrosion defects. Large sections of piping can be quickly screened with 100 percent volumetric coverage to determine precise locations of corrosion damage.
More detailed inspections can then be concentrated on the locations that are critical, thus saving money and time. These local inspections can be done using guided wave scanning equipment or with another complementary non-destructive testing method. This approach of screening and scanning provides a cost‑effective means of ensuring that representative measurements are made over considerable lengths of piping.
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