Effect of additions and both temperature in Electrodeposited Zinc Lyoo, Kwan-Seok Department of Materials Science and Metallurgical Engineering, Sunchon National University Supervisor : Professor Byung Il Kim Abstract In accordance with developing frontier industry and increasing in demand about pro...
Effect of additions and both temperature in Electrodeposited Zinc Lyoo, Kwan-Seok Department of Materials Science and Metallurgical Engineering, Sunchon National University Supervisor : Professor Byung Il Kim Abstract In accordance with developing frontier industry and increasing in demand about products, a plating grater is demanded for strictly quality control. A plating layer for having a good quality must constantly maintain a mineral ion which exists in plating bath and density of organic addition. Specially, organic addition influences the property of plating layer and appearance. The organic addition to be caused electrical chemistry is decomposed by decomposition product of many kinds, so it is caused to produce passive film. It is very important to frequently check and adjust density of decomposition product and organic addition. The example of a addition for improving quality of galvanization is to add epihalo hydrin, glycerol hydrin in an acid bath and to magnify a brilliance of plating layer and the coverage of plating electrical current and is developed plating bath which improves brilliance in accordance with adding aromatic, aldehydes, ketone, etc However, these are registered with effect influenced plating products with a patent, it is not known as research about movement of addition. The patent widely assigns organic compounds which are amine, thio, aroatic cargoxylic acids, alkynes, ketone system and typical species of organic addition with a patent. Accordingly, this research is to exam external appearance of surface with the current of galvanization to apply to chloride and sulfate acid bath and to select organic addition which is PEG(polyethyleneglycol), Thiourea, Gelatin, MEK(Methylethylketone) to use to be newly customized electrical plating simulator. ▶ Polyethylene glycol(PEG) ▶ Thiourea ▶ Gelatin ▶ MEK Key word : EG simulator, PEG, Thiourea, Gelatin, MEK, both temperature
Effect of additions and both temperature in Electrodeposited Zinc Lyoo, Kwan-Seok Department of Materials Science and Metallurgical Engineering, Sunchon National University Supervisor : Professor Byung Il Kim Abstract In accordance with developing frontier industry and increasing in demand about products, a plating grater is demanded for strictly quality control. A plating layer for having a good quality must constantly maintain a mineral ion which exists in plating bath and density of organic addition. Specially, organic addition influences the property of plating layer and appearance. The organic addition to be caused electrical chemistry is decomposed by decomposition product of many kinds, so it is caused to produce passive film. It is very important to frequently check and adjust density of decomposition product and organic addition. The example of a addition for improving quality of galvanization is to add epihalo hydrin, glycerol hydrin in an acid bath and to magnify a brilliance of plating layer and the coverage of plating electrical current and is developed plating bath which improves brilliance in accordance with adding aromatic, aldehydes, ketone, etc However, these are registered with effect influenced plating products with a patent, it is not known as research about movement of addition. The patent widely assigns organic compounds which are amine, thio, aroatic cargoxylic acids, alkynes, ketone system and typical species of organic addition with a patent. Accordingly, this research is to exam external appearance of surface with the current of galvanization to apply to chloride and sulfate acid bath and to select organic addition which is PEG(polyethyleneglycol), Thiourea, Gelatin, MEK(Methylethylketone) to use to be newly customized electrical plating simulator. ▶ Polyethylene glycol(PEG) ▶ Thiourea ▶ Gelatin ▶ MEK Key word : EG simulator, PEG, Thiourea, Gelatin, MEK, both temperature
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