Published online by Cambridge University Press: 24 October 2008
It has recently been shown (4, 5) that in order to give a true account of the magnetization processes in a ferromagnetic it is necessary to consider the influence of the demagnetizing field of a finite specimen not merely in a quantitative way, affecting the magnitude of the field acting on the specimen, but also in a qualitative way, affecting the actual arrangement of the domains of the ferromagnetic. It is the purpose of this paper to give an account of the process of magnetization in a specimen which has a tension applied in the same direction as the magnetic field. It will be shown that by considering fully the effects of demagnetizing fields results are obtained which agree well with experiment and remove some discrepancies of the older domain theory.