冷間加工した軟膏の磁性および弾性に及ぼす脱酸剤の影響

概要

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Synopsis　The effects of the deoxidizing inclusions, like as Si, together with Mn, Ca, etc., on magnetic and elastic properties were studied on seven kinds of mild steel wires 96% cold-drawn and heat-treated in various manners, by means of the optical lever method, the usual ballistic method and the static bending method.　The anomalous behaviours were observed in the magnetostriction as function of magnetization near about at the saturation magnetization. Using the experimental results for pure iron and assuming the respective partitions of orientations, , and , among the direction of working the theoretical magnetostriction can be calculated and anomalous behaviours thereof are explained qualitatively according to Heisenberg's theory.　The saturation of magnetostriction, Young's modulus, the maximum magnetic susceptibillty and the magnetization at which the magnetostriction begins to appear change corresponding to the temperatures at which the strain aging or blue-brittle behaviour and the coarsening of crystal grains included impurities as deoxidizing-agents occur.　Experimental results indicate that the effects of deoxidizing-agents in mild steels act complicatedly on the physical properties suggesting occurrence of change in the construction.
山形大学の論文
1974-02-20