Nondestructive and contactless determination of layer and coating thickness

C. Sklarczyk; U. Netzelmann; P. Kreier; W. Gebhardt

doi:10.1117/12.598778

19 May 2005 Nondestructive and contactless determination of layer and coating thickness

C. Sklarczyk, U. Netzelmann, P. Kreier, W. Gebhardt

Proceedings Volume 5767, Nondestructive Evaluation and Health Monitoring of Aerospace Materials, Composites, and Civil Infrastructure IV; (2005) https://doi.org/10.1117/12.598778
Event: Nondestructive Evaluation for Health Monitoring and Diagnostics, 2005, San Diego, CA, United States

Abstract

The paper describes some new developments in the field of contactless and nondestructive determination of the layer and coating thickness on different substrates. 1) The first method is based on millimeterwaves which are emitted and re-ceived by a compact integrated radar sensor. 2) Another approach is based on thermal effects induced in the coating by flash heating or laser light heating. The temperature response of the test object is monitored by an infrared sensor. 3) With the help of an airborne ultrasonic transducer the thickness of powder coating, e.g. ceramics-coating on steel, can be determined contactlessly with an accuracy of better than 5 μm.

Citation Download Citation

C. Sklarczyk, U. Netzelmann, P. Kreier, and W. Gebhardt "Nondestructive and contactless determination of layer and coating thickness", Proc. SPIE 5767, Nondestructive Evaluation and Health Monitoring of Aerospace Materials, Composites, and Civil Infrastructure IV, (19 May 2005); https://doi.org/10.1117/12.598778

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