普通鑄鐵及び合金鑄鐵の導磁率に就て

概要

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The great disadvautage of ordinary gray cast iron, for the magnetic purpose, is the formation of graphite plates which break up the continuty of the material, and uttery min the magnetic suc-cessibility. The magnetic permeability of ordinary gray cast iron is increased by a reduction in the total carbon and the graphite carbon contents ; the smaller the graphite, the greater the permeability, and the less the hysteresis loss, and the cocrciue force and the hysteresis loss are increased with an increase in carbon content, and the decrease with an increase in silicon content are generally known. The writer has tried to see the numerical values of the magnetic permeability of ordinaly gray cast iron of domestic and foreign-produced, and also inuestigated on the effect of aluminum alloy and described the reason why the results obtained by the writer were not the same as the conclusions ginen by the former inuestigators, and he thinks that his consideration is morr practicable.
社団法人日本鉄鋼協会の論文
1933-09-25