Fang-Zu Yang, Shukai Xu, Ling Huang, Xueyuan Zhang, Sm Zhou
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A study on the effect of bath composition on the internal stress of a palladium electrodeposit
SummaryThe effects of bath composition on the internal stress of palladium electrodeposits are studied in neutral media with Pd(NH3)2Cl2, K3C6H5O7, (NH4)2C2O4 and the additives of the mixture of the synthesized products of nicotinic acid and nicotiamide (NANA), pyridine-3-sulfonic acid(PSA), α-furane formic acid(FF) and cetyl trimethyl ammonium bromide(CTMAB). The results show that the internal stress of electrodeposits is quite changeable at the beginning of electrodeposition later becoming stable gradually. Deposits obtained from pulse electrodeposition have lower stress than that from direct current. After electrodeposition, all the deposits keep in tensile stress which increases with time.
期刊介绍:
Transactions of the Institute of Metal Finishing provides international peer-reviewed coverage of all aspects of surface finishing and surface engineering, from fundamental research to in-service applications. The coverage is principally concerned with the application of surface engineering and coating technologies to enhance the properties of engineering components and assemblies. These techniques include electroplating and electroless plating and their pre- and post-treatments, thus embracing all cleaning pickling and chemical conversion processes, and also complementary processes such as anodising. Increasingly, other processes are becoming important particularly regarding surface profile, texture, opacity, contact integrity, etc.