BARE WEATHERING STEEL HAVING RUST LAYER AND MANUFACTURE METHOD THEREFOR
Disclosed by the present invention is a bare weathering steel having a rust layer. The surface of the bare weathering steel has a rust layer formed within 2 hours. In addition, the present invention further discloses a manufacture method for the bare weathering steel having a rust layer, comprising...
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| creator | WU, Weiwei SONG, Fengming QI, Qingju LANG, Fengjun WANG, Baosen ZHOU, Qingjun LI, Jiangwen |
| description | Disclosed by the present invention is a bare weathering steel having a rust layer. The surface of the bare weathering steel has a rust layer formed within 2 hours. In addition, the present invention further discloses a manufacture method for the bare weathering steel having a rust layer, comprising the steps of: (1) cleaning the surface of a steel plate and removing residual water; (2) obtaining ferrous ions on the surface of the steel; and 3) spraying water on the surface of the steel plate such that the surface of the steel is infiltrated by a water film, and after the water film on the surface of the steel plate is dry out, spraying the water film for at least once to hydrolyze the ferrous ions into iron hydroxide precipitation, and then dehydrating to form a rust layer. The described bare weathering steel has a uniform rust layer, and the rust layer is stable and dense and has excellent corrosion resistance, thereby overcoming the problem in the prior art that color is uneven before the stablization of th |
| format | Patent |
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The surface of the bare weathering steel has a rust layer formed within 2 hours. In addition, the present invention further discloses a manufacture method for the bare weathering steel having a rust layer, comprising the steps of: (1) cleaning the surface of a steel plate and removing residual water; (2) obtaining ferrous ions on the surface of the steel; and 3) spraying water on the surface of the steel plate such that the surface of the steel is infiltrated by a water film, and after the water film on the surface of the steel plate is dry out, spraying the water film for at least once to hydrolyze the ferrous ions into iron hydroxide precipitation, and then dehydrating to form a rust layer. 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The surface of the bare weathering steel has a rust layer formed within 2 hours. In addition, the present invention further discloses a manufacture method for the bare weathering steel having a rust layer, comprising the steps of: (1) cleaning the surface of a steel plate and removing residual water; (2) obtaining ferrous ions on the surface of the steel; and 3) spraying water on the surface of the steel plate such that the surface of the steel is infiltrated by a water film, and after the water film on the surface of the steel plate is dry out, spraying the water film for at least once to hydrolyze the ferrous ions into iron hydroxide precipitation, and then dehydrating to form a rust layer. 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The surface of the bare weathering steel has a rust layer formed within 2 hours. In addition, the present invention further discloses a manufacture method for the bare weathering steel having a rust layer, comprising the steps of: (1) cleaning the surface of a steel plate and removing residual water; (2) obtaining ferrous ions on the surface of the steel; and 3) spraying water on the surface of the steel plate such that the surface of the steel is infiltrated by a water film, and after the water film on the surface of the steel plate is dry out, spraying the water film for at least once to hydrolyze the ferrous ions into iron hydroxide precipitation, and then dehydrating to form a rust layer. The described bare weathering steel has a uniform rust layer, and the rust layer is stable and dense and has excellent corrosion resistance, thereby overcoming the problem in the prior art that color is uneven before the stablization of th</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | BARE WEATHERING STEEL HAVING RUST LAYER AND MANUFACTURE METHOD THEREFOR |
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