Abstract
Copper tundish is used widely in continuous casting in steel production line. Tundish is coated by a special coating in the steel manufacturing. A coating experiment was developed to study the resistant of the copper material against the molten steel corrosion. High velocity oxygen fuel (HVOF) method was used to spray the alloy powder on the copper surface to form an alloy coating. However, the experiments are unreliability, waste of material and low efficiency. These would affect to the quality of the samples and spend more time and money to perform the experiment. Base on Teoriya Resheniya Izobretatelskikh Zadatch (TRIZ), this study improved the design of the experiment. After improvment, the average of alloy powder consumed per sample reduces 23.8%, and samples produced in this experiment are twice more than before. This improving will also be applied in other spraying processes.
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