To provide a low-cost rust prevention method for a vessel steel member in which spray coating properties are not deteriorated, and exhibiting corrosion resistance and rust preventability exceedingly more excellent than those of the conventional one by a long time sacrificial corrosion prevention effect even in an environment where drying and wetting are repeated, and to provide a vessel having excellent corrosion resistance.
In the rust prevention method for a vessel steel member placed in an environment having a relative humidity of 30 to 100%, an inorganic primer comprising Zn alloy grains including, by mass, 0.01 to 30% Mg, and the balance Zn with inevitable impurities and having the average grain diameter of 0.01 to 200 m, and also having a physical fracture face on the outer surface by 30 mass% in a dry coating film, and the balance inorganic binder is applied as a substrate layer. Also, a vessel having excellent corrosion resistance using the rust prevention method is provided.
KATO KENJI
ITO MINORU
KANEKO MICHIRO
IMAI SHIRO
KOMINAMI MASATOSHI
TERAKAWA TOSHIRO
KUMAI TAKASHI
YOSHIKAWA KOGYO KK
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Hisataka Tanaka
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