The connection between the coercive force and the initial susceptibility of plastically deformed ferromagnetics

The paper describes the results of measurement on four ferromagnetic materials, plastically deformed in broad limits, which show that between the coer ive force and the inverse value of the initial susceptibility there exists a linear correlation. With two of the given materials this correlation could be explained on the basis of the Becker-Kersten theory of coercive force and initial permeability. The paper also describes the experimental equipment used and gives practical principles in the construction of the coercimeter and permeameter. It also gives a method of determining the influence of the skin-effect of the magnetic field on the results of measurement.