Comparison of defect detection limits in Lorentz force eddy current testing and classical eddy current testing
نویسندگان
چکیده
منابع مشابه
Application of Lorentz force eddy current testing and eddy current testing on moving nonmagnetic conductors
Lorentz force eddy current testing is a novel nondestructive testing technique which can be applied preferably to the identification of internal defects in non-ferromagnetic moving conductors. This paper describes the comparison of this new technique with well-known eddy current testing. Measurements and numerical simulations have been done for both techniques for artificial subsurface defects ...
متن کاملHigh Frequency Eddy Current Testing
This paper presents a nondestructive, high frequency electromagnetic evaluation method which can be applied for the examination of periodic conductive strips or conductive fibers using the evanescent modes generated in slits or in dielectric insulation between conductive fibers. For the detection of evanescent waves we propose the use of lenses with metamaterials, both conical Swiss roll type a...
متن کاملEddy Current Testing - Are We at the Limits?
Eddy current methods have evolved over the years both in terms of sophistication as well the range of applications ever since D. E. Hughes demonstrated the merit of the approach in 1879. Rapid advances in our capacity to model the underlying physical process have given us the ability to design probes that offer unprecedented levels of sensitivity and resolution. These advances have been accompa...
متن کاملAn introduction to Eddy Current Testing
This document is intended as a brief familiarisation course for Hocking NDT’s customers and sales representatives. It is not intended as a complete theoretical course in Eddy Current Non destructive testing and a number of aspects are intentionally simplified. The bibliography at the end of the document details several appropriate reference books which should be consulted if a more complete und...
متن کاملEddy Current Tomography for Nondestructive Testing
The paper presents an eddy current tomography setup with high spatial resolution and high accuracy of measurements of signal on detection coil. In proposed solution both amplitude as well as phase shift are measured, which gives the possibility of calculation of spatial distribution of both permeability and resistivity of tested element. As a result, presented setup creates possibility of effec...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Sensors and Sensor Systems
سال: 2018
ISSN: 2194-878X
DOI: 10.5194/jsss-7-453-2018