船底塗料性能に關する實験
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概要
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It has been found that the corrosion, by sea-water, of steel plates and rivets for hull construction is very serious recently. A research committee has been established in the Naval Experimental and Research Institute with a view to finding the causes and the methods of preventing the corrosion. The present paper is a report of the committee and its object is to detect the situation of the bottom paint against the corrosion of steel plates. The followings are the subjects described in the present paper : -(1) Measurement of the amount of sea-water absorbed by the bottom paint film. (2) Measurement of the amount of sea-water penetrated through the film. (3) Measurement of the electric insulation resistance of the film. (4) Measurement of the galvanic action between the plate and the film (5) Relation between the exfoliation of the film and the stress given to the plate. (6) Chemical analysis of sea-water taken from different ports in Japan. From the above experiments, it has been concluded that the function of the bottom paint now generally used in our Navy is not sufficient to prevent the corrosion. Besides, the investigation on this line is not yet finished and many other experiments are now being carried out.
- 公益社団法人日本船舶海洋工学会の論文
- 1931-04-30