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a few areas are composed of pure nickel, and no area is found that only pure magnesium exists without F and Ni. This indicates that fluoride exists in the plating and some bath composition is also... Properties of fluoride film and its effect on electroless nickel deposition on magnesium alloys LIU Xin-kuan(刘新宽)1, LIU Zi-li(刘子利)2, LIU Ping(刘 平)1, XIANG Yang-hui(向阳辉)3, HU Wen-bin(胡文斌)3, DING......
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by studying the kinetics of electrode reaction. Paramasivam et al[15] and Tang et al[16] also studied the zincate mechanism successively, however, zincate mechanism on cast Al-Si alloys in non-cyanide... Zincate mechanism on cast Al-Si alloy in non-cyanide multi-metal zincate solutions HUANG Xiao-mei(黄晓梅), LI Ning(李 宁), LI De-yu(黎德育), JIANG Li-min(蒋丽敏) Department of Applied Chemistry, Harbin......
Electroless nickel-plating on die cast magnesium alloy AZ91D JIA Su-qiu(贾素秋)1, JIA Shu-sheng(贾树胜)2, YAO Jun(姚 军)2 1. School of Materials Science and Engineering, Changchun University... Abstract: Electroless nickel-plating on die cast magnesium alloy AZ91D was investigated. Growth of the electroless nickel-plating coating was characterized using scanning electron microscopy. Corrosion......
concentration in bath: 20 g/L) The embedding of TiO2 nano-particles in the Ni matrix provokes changes in structure of the pure nickel coatings (Fig.1(b)). In detail, the region of [100] oriented deposits..., LAAJALEHTO K, VAYRYNEN J. Particle-electrode surface interaction during nickel electrodeposition from suspensions containing SiC and SiO2 particles [J]. Coll Surf A, 2004, 235: 45-55. [11] LIN C S......
Electrochemical behavior of Co-Cr and Ni-Cr dental cast alloys Viswanathan S. SAJI, Han-Cheol CHOE Department of Dental Materials, College of Dentistry, Chosun University, Gwangju 501-759, Korea...; Abstract: The cast structures influencing the electrochemical corrosion behavior of Co-Cr and Ni-Cr dental alloys were studied using potentiodynamic polarization and AC......
electrode in blank electrolyte without Ni2+ ions Fig.4 EN generated during nickel electroplating(a) and corresponding SEM image of deposit(b) at Dk=-5.569 9 A/dm2, t=5 min Fig.5 EN generated... diffusion and the fact that the electrode potential of nickel is much less than that of copper. 3.2 Evolution features of EN and corresponding deposit structure with time Figs.10-13 show the evolution......
nm, V=40.0 kV, I=100 mA). 2.2 Preparation of nickel electrode and electro- chemical tests The prepared nickel hydroxide/MCNTs composite or pure nickel hydroxide as active material was mixed with 10... reaction[17]. In comparison with that of the pure nickel hydroxide electrode, the anodic peak potential of MCNTs doped nickel hydroxide electrode is obviously shifted to a more negative value, while......
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