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Posted inNon Destructive Testing
GUIDED WAVE TESTING (GW) Overview
Guided wave ultrasonic testing detects corrosion damage and other defects over long 33 ft. –…
Posted inNon Destructive Testing
Remote Field Sensing
Eddy current testing for external defects in tubes where external access is not possible (e.g.…
Posted inNon Destructive Testing
Pulsed Eddy Current Inspection
Conventional eddy current inspection techniques use sinusoidal alternating electrical current of a particular frequency to…
Posted inNon Destructive Testing
Swept Frequency
Swept frequency eddy current techniques involve collecting eddy current data at a wide range of…
Posted inNon Destructive Testing
Multiple Frequency Techniques
Multiple frequency eddy current techniques simply involve collecting data at several different frequencies and then…
Posted inNon Destructive Testing
Advanced Techniques – Scanning
Eddy current data can be collected using automated scanning systems to improve the quality of…
Posted inNon Destructive Testing
Thickness Measurements of Non Conducting Coatings on Conductive Materials
The thickness of nonmetallic coatings on metal substrates can be determined simply from the effect of liftoff on impedance.…
Posted inNon Destructive Testing
Thickness Measurements of Thin Material
Eddy current techniques can be used to perform a number of dimensional measurements. The ability…
Posted inBasics
Verification of Heat Treatment
With some materials, such as solution heat treatable aluminum alloys, conductivity measurements are often made verifying that…
Posted inNon Destructive Testing
Conductivity Measurements
One of the uses of eddy current instruments is for the measurement of electrical conductivity.…