The chapter provides an overview on eddy current testing. It is an electromagnetic testing technique that can be used on all electrically conducting materials. The term inductive testing is sometimes used as an alternative designation for eddy current testing. The test equipment consists of three ...
This non-destructive testing technique is non-hazardous and commonly used in industries such as aerospace, rail, automotive, marine and manufacturing. One of the major advantages of eddy current testing is that inspection requires minimum preparation as there is no need to remove surface paint or ...
Eddy current testing is an electromagnetic testing technique usually used to inspect non-ferromagnetic materials.DetailsHow it Works In its most basic form — the single-element eddy current testing probe — a copper wire is excited with an alternating electrical current. This wire produces a ...
At DEKRA the two major applications of Eddy Current Testing are within surface and tubing inspections. The technique is very sensitive, can detect tight cracks and the inspection can be performed both on ferromagnetic and non-ferromagnetic materials. Eddy Current Testing is also used for sorting mat...
Eddy-current testing is the less successful technique for the inspection of composites, and requires electromagnetic induction of electrical current on the component surface. This is generally used to detect the aerospace surface crack inspection. Prakash and Owston used this technique for the characteriz...
In addition to defect recognition in metal sheets and tubes, eddy current testers can be used to observe the results of heat treatment procedures and to find out the thickness of non-conductive layers over conductive materials. Eddy current testing is confined to materials that conduct electricity...
The biggest advantage of Eddy Current NDT is that it is a clean NDT method. Unlike UT, Eddy Current NDT requires no fluid couplant; therefore, providing a faster scanning speed than conventional ultrasonic testing (UT).The surfaces need minimal preparation as Eddy current testing can be used ...
Non-destructive techniques are used widely in the metal industry in order to control the quality of materials. Eddy current testing is one of the most extensively used non-destructive techniques for inspecting electrically conductive materials at very high speeds that does not require any contact betw...
The eddy current process has been used successfully in the testing of wires, bars and pipes for many years. All-round or segmented through-type coils or alternatively rotary probes are used, depending on the shape of the cross-section, the test speed, test temperature and the fault detection...
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