Eddy-Current Method for Measuring the Resistivity of Metals
Journal of Applied PhysicsPublished 1 December 1959
C. P. Bean, R. W. DeBlois, L. B. Nesbitt
Citations415
SJR quartileQ2
SJR score0.58
SNIP0.98
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Abstract
A method for measuring the resistivity of metallic specimens is described. The measurement is made by noting the rate of decay of flux from a bar situated in an external magnetic field that has been rapidly reduce to zero. The method is suitable for specimens greater than 5×10−3 cm in diameter. For a specimen 1 cm in diameter, resistivities from 10−11 to 10−3 ohm-cm may be measured with an error of less than three percent. The method requires no contact to the specimen, and local values of resistivity may be measured. Several applications are described.
Keywords
Materials ScienceEngineering
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