根据基体元素与相应的指示剂显色原理,采用贴试纸法,测定了镁合金化学镀层的孔隙率,研究了镀液参数对孔隙率的影响.结果表明,采用铬黑T作指示剂溶液测定镁合金化学镀层孔隙率的效果最佳,镁试剂I效果次之,茜素磺酸钠指示剂最差;络合剂、缓冲剂、氟化物和稳定剂等镀液参数对化学镀层孔隙率的影响趋势为:先减小,后增加.采用贴试纸法测定化学镀层孔隙率是可行的.
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