无氰镀镉钛镀液的稳定性分析
发布时间：2018-12-29 13:13
【摘要】：为了研究无氰镀镉钛镀液的稳定性情况,通过陈化试验和连续镀试验检测了无氰镀镉钛镀液的稳定性,并利用X射线衍射仪(XRD)分析了镀液的沉淀产物。结果表明:镀液pH值应严格控制在6.70左右,前期时应在低温或室温保存,否则产生白色沉淀,且沉淀物不可溶解,沉淀产物主要是Ti(OH)_4、TiO_2、H_2Ti_2O_(11)·3H_2O、NH_4Cl;连续镀28 d镀液良好,无白色沉淀,镀层钛含量在0.1%~0.7%之间。
[Abstract]:In order to study the stability of cyanide-free cadmium and titanium plating solution, the stability of cyanide free cadmium plating titanium plating solution was tested by aging test and continuous plating test. The precipitation product of the solution was analyzed by X-ray diffraction (XRD). The results show that the pH value of the plating solution should be strictly controlled at about 6.70, and stored at low temperature or room temperature in the early stage, otherwise, white precipitate is produced, and the precipitate is insoluble, and the precipitation product is mainly Ti (OH) _ 4 TiO-2. H2Ti2O11, 3H2O11, H2Ti2O11, NH4Cl; After 28 days of continuous plating, there was no white precipitate, and the titanium content of the coating was between 0.1% and 0.7%.
【作者单位】： 南昌航空大学材料科学与工程学院;昌河飞机工业集团有限公司;
【基金】：南昌航空大学研究生创新专项资金(YC201627)资助
【分类号】：TQ153
本文编号：2394874
[Abstract]:In order to study the stability of cyanide-free cadmium and titanium plating solution, the stability of cyanide free cadmium plating titanium plating solution was tested by aging test and continuous plating test. The precipitation product of the solution was analyzed by X-ray diffraction (XRD). The results show that the pH value of the plating solution should be strictly controlled at about 6.70, and stored at low temperature or room temperature in the early stage, otherwise, white precipitate is produced, and the precipitate is insoluble, and the precipitation product is mainly Ti (OH) _ 4 TiO-2. H2Ti2O11, 3H2O11, H2Ti2O11, NH4Cl; After 28 days of continuous plating, there was no white precipitate, and the titanium content of the coating was between 0.1% and 0.7%.
【作者单位】： 南昌航空大学材料科学与工程学院;昌河飞机工业集团有限公司;
【基金】：南昌航空大学研究生创新专项资金(YC201627)资助
【分类号】：TQ153
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