快削電磁純鉄の箱焼鈍

概要

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Through investigation of results of box annealing as magnetic annealing of free-machining pure iron we confirmed the magnetic properties of materials which were box annealed were much better those than of vacuum annealed and the decarburization has relationship to the said difference.We also clarified status of heat-treatment such as annealing temperature, time and cutting scraps to be filled up in box.
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