Basics
Advanced Techniques – Scanning
Eddy current data can be collected using automated scanning systems to improve the quality of the measurements and…
August 24, 2021 · Prabhu TLBasics
Basics
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. This method has…
August 24, 2021 · Prabhu TLBasics
Thickness Measurements of Thin Material
Eddy current techniques can be used to perform a number of dimensional measurements. The ability to make rapid…
August 24, 2021 · Prabhu TLBasics
Verification of Heat Treatment
With some materials, such as solution heat treatable aluminumalloys, conductivity measurements are often made verifying that parts and materials…
August 24, 2021 · Prabhu TLBasics
Conductivity Measurements
One of the uses of eddy current instruments is for the measurement of electrical conductivity. The value of…
August 24, 2021 · Prabhu TLBasics
Tube Inspection
Eddy current inspection is often used to detect corrosion, erosion, cracking and other changes in tubing. Heat exchangers…
August 24, 2021 · Prabhu TLBasics
Surface Crack Detection Using Sliding Probes
Surface Crack Detection Using Sliding Probes Many commercial aircraft applications involve the use of multiple fasteners to connect…
August 24, 2021 · Prabhu TLBasics
Signal Filtering
Signal filtering is often used in eddy current testing to eliminate unwanted frequencies from the receiver signal. While…
August 24, 2021 · Prabhu TLBasics
Reference Standards
In eddy current testing, the use of reference standards in setting up the equipment is particularly important since…
August 24, 2021 · Prabhu TLBasics
Impedance Matching
Eddy current testing requires us to determine the components of the impedance of the detecting coil or the…
August 24, 2021 · Prabhu TL