The study of electrophoretic aluminium coating on steel plate (Report 1):The examination of suspention in electrophoresis for aluminium electrodeposition
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概要
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Various methods to coat steel plate with aluminium have been put to practical use.Now, in this experiment, fine aluminum powder was electrodeposited on steel plate by electrophoresis, alcohol with water was used as suspention.The conditions under which alcohol with water are able to obtain good electrodeposited faces at low voltage were examined. The results obtained are summarized as follows:(1) In case where the only alcohol or alcohol with water was used as suspention, electrodeposition was successful to 20% water.(2) In case of using the only alcohol or alcohol with water as suspention, when the quantity of AlCl3 was 5-10m-mol/l the electrodeposition was best. In case of using the only alcohol as suspention, when the quantity of AlCl3 5-7m-mol/l the result was best.In the case where the alcohol with water was used, when the quantity of AlCl3 was 7-10m-mol/l the result was best.(3) In case where the suspention was alcohol only, tannic acid did not so much affect the quantity of electrodeposition.In case where the alcohol with water was used as suspention, when the quantity of tannic acid was 0.25g/l the amount of deposition was largest.(4) When 10W/V% aluminum powder was used in the suspention, in case either the only alcohol or the alcohol with water was used, a good result was obtained.(5) With 0.20A/dm2 current density, good electrodeposition was obtained.(6) The electrodeposition quantity was proportioned to time of migration up to 12min.
- 一般社団法人 軽金属学会の論文
一般社団法人 軽金属学会 | 論文
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