粗面化処理を省略できるZn/Al溶射技術の評価(表面処理・腐食)

概要

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Recently, in the view of maintenance-free type corrosion prevention of steel bridges, thermal spraying with good durability and long life is desired. Zn/Al metal spraying is spotlighted due to its low life cycle cost (LCC). Zn/Al metal spraying without blast treatment, one of corrosion prevension methods, has better efficiency and environmental property, such as less fume, than the conventional method based on JIS H 8305. In this paper a comparison was made on the properties of the Zn/Al sprayed coating without blast treatment and the coating of the conventional method. In the results, it was shown that the coating of Zn/Al metal spraying without blast treatment had the same properties as conventional method based on JIS H 8305. This Zn/Al metal spraying was applied to steel bridges and they showed the good corrosion resistance.
社団法人日本鉄鋼協会の論文
2006-09-01