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首页> 外文期刊>Materials Letters >Effect of glass frit addition on corrosion resistance of Ti/TiO_2/IrO_2-RuO_2 films
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Effect of glass frit addition on corrosion resistance of Ti/TiO_2/IrO_2-RuO_2 films

机译：玻璃粉添加量对Ti / TiO_2 / IrO_2-RuO_2薄膜耐蚀性的影响

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摘要

IrO_2-RuO_2 thin film was deposited on plasma sprayed TiO_2 buffer layer above Ti metal by the sol-gel and dip-coating method. Organic vehicle (ethyl cellulose) and lead borosilicate glass frit were added to improve the corrosion resistance of the films. Taguchi method and L_(18)(2~1 X 3~7) orthogonal arrays were evaluated in terms of current density to determine the optimal combination of the experimental parameters having the properties of the bigger the better (QC= B). The observed conditions were as follows: ethyl cellulose (0.1 Pa.s), drying temperature and time (170 deg C, 20 min), heat treatment temperature and time (750 deg C, 10 min), the weight ratio of IrO_2-RuO_2 powder to glass flit (99:5), final heat treatment time (120 min) and flow rate of air (5 standard cubic centimeter per minute, scc m), respectively. The current density of the films increased, as the weight ratio of the IrO_2-RuO_2 powder to glass flit decreased from 99:1 to 95:5, by 150 percent due to the reduction in crack density, suggesting that the addition of glass flit was effective on improving anticorrosion properties and surface microstructure of the dip-coated IrO_2-RuO_2 films.
机译：通过溶胶-凝胶和浸涂法将IrO_2-RuO_2薄膜沉积在Ti金属上方的等离子喷涂TiO_2缓冲层上。添加有机载体（乙基纤维素）和硼硅酸铅玻璃粉以提高薄膜的耐腐蚀性。用Taguchi方法和L_（18）（2〜1 X 3〜7）正交阵列对电流密度进行了评估，以确定性能越好（QC = B）的实验参数的最佳组合。观察条件如下：乙基纤维素（0.1Pa.s），干燥温度和时间（170℃，20分钟），热处理温度和时间（750℃，10分钟），IrO_2-RuO_2的重量比粉末到玻璃粉（99：5），最终热处理时间（120分钟）和空气流速（每分钟5标准立方厘米，scc m）。由于裂纹密度降低，IrO_2-RuO_2粉末与玻璃粉的重量比从99：1降低至95：5，薄膜的电流密度增加了150％，这表明添加玻璃粉是有效地改善了浸涂IrO_2-RuO_2膜的防腐性能和表面微观结构。

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