COMPOSITION OF METAL SURFACE TREATMENT AQUEOUS SOLUTION, AND METAL SURFACE TREATMENT METHOD USING THE METAL SURFACE TREATMENT AQUEOUS SOLUTION
PROBLEM TO BE SOLVED: To provide a metal surface treatment aqueous solution with which oxide films and burrs generated on the cut face of a press-cut high carbon tool steel can be removed in a short period of time, and to provide a metal surface treatment method therefor. SOLUTION: Sulfuric acid ion...
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| creator | SHIU JIUNING HUANG CHING-AN |
| description | PROBLEM TO BE SOLVED: To provide a metal surface treatment aqueous solution with which oxide films and burrs generated on the cut face of a press-cut high carbon tool steel can be removed in a short period of time, and to provide a metal surface treatment method therefor. SOLUTION: Sulfuric acid ions, a fluorine compound, an additive and hydrogen peroxide are added in prescribed ratios to obtain a metal surface treatment aqueous solution. Further, a step of degreasing where oil and fat and stains remaining on the surface of a workpiece are removed, and a step of washing where the pretreatment agent remaining on the surface of the workpiece is removed are performed. Thereafter, chemical etching is performed to the workpiece with the metal surface treatment aqueous solution, and a step of neutralization and rust prevention where the pretreatment agent remaining on the surface of the workpiece is neutralized is performed. Then, water remaining on the worked surface is removed, and drying is performed. COPYRIGHT: (C)2005,JPO&NCIPI |
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SOLUTION: Sulfuric acid ions, a fluorine compound, an additive and hydrogen peroxide are added in prescribed ratios to obtain a metal surface treatment aqueous solution. Further, a step of degreasing where oil and fat and stains remaining on the surface of a workpiece are removed, and a step of washing where the pretreatment agent remaining on the surface of the workpiece is removed are performed. Thereafter, chemical etching is performed to the workpiece with the metal surface treatment aqueous solution, and a step of neutralization and rust prevention where the pretreatment agent remaining on the surface of the workpiece is neutralized is performed. Then, water remaining on the worked surface is removed, and drying is performed. 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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 MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE |
| title | COMPOSITION OF METAL SURFACE TREATMENT AQUEOUS SOLUTION, AND METAL SURFACE TREATMENT METHOD USING THE METAL SURFACE TREATMENT AQUEOUS SOLUTION |
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