＜論文＞たたら製鉄法に基づく向浜砂鉄の製錬と鋳造　：　創造工房実習より得られた二三の知見

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  • タタラ セイテツホウ ニ モトヅク ムカイハマ サテツ ノ セイレン ト チュウゾウ ソウゾウ コウボウ ジッシュウ ヨリ エラレタ ニサン ノ チケン
  • ＜Original Papers＞An experimental study on ironmaking of the Mukaihama iron sand based on the Tatara-buki ironmaking process and on casting of the obtaine iron bear : A few findings obtained from creative techno-craft

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A small sized "Tatara buki" furnace was made for laboratory working. Iron sand was mined from Mukaihama beach in the city of Akita and applied to ironmaking based on the "Tatara-buki" process. Initially, the iron sand was washed in water and dressed magnetically to rise iron content of the sand. After that, the iron sand was smelted by means of the "Tatara-buki" process and iron bear (Kera) with lower phosphorous and sulfur contents was produced. The iron bear was obtained in a 260/0 yield. Next, the iron bear was remelted and cast into a mold made by the investment method to make some artifacts. Finally, the optimum conditions for the ironmaking and the cast processes were discussed in detail. A series of experiments mentioned above was conducted as an appropriate practice on the education program "Creative Techno-Craft" for undergraduate students in the Department of Materials Science and Engineering, Akita University.

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