NDLI: An application of electrochemical method for studying nano-composite plating

Content Provider	Springer Nature Link
Author	Phong, Nguyen Ngoc Tuyet, Ngo Thi And Linh, Do Chi Hue, Nguyen Viet Kwon, Sik Chol Kim, Man Lee, Joo Yul
Copyright Year	2006
Abstract	Nickel plating is investigated using an electrochemical method in this study. Cathodic polarization indicated that electrode polarization at a current density of 10$^{−1}$ A/cm$^{2}$ increased by approximately 100 mV in a pH range 3–5, and by nearly 150 mV with 1 g/L of carbon powder in a Watts solution, as compared to bare nickel. The influence of inert particles such as carbon powder, silicon carbide and rice husk ash included in the nickel deposit was studied further using a potentiodynamic technique. Results showed that a co-deposit of nano-particles increased cathodic polarization. With a three-fold increase of the carbon powder in the plating solution, the polarization potential of the nickel deposit was doubled at a current density of 10$^{−2}$ A/cm$^{2}$. Passivation of the nickel deposit in the presence of all of the inert particles studied was improved in the area of hundreds of times higher compared to a bare nickel deposit. By increasing the amount of inert particles to twenty times the original amount, the passive current density was decreased by 85–95%. A co-deposit of rice husk ash in the nickel deposit decreased the passive current density by 98%, compared to a carbon and silicon carbide powder. Thus, rice husk ash has the potential to improve the pitting corrosion resistance of nickel composite plating.
Starting Page	493
Ending Page	496
Page Count	4
File Format	PDF
ISSN	15989623
Journal	Metals and Materials
Volume Number	12
Issue Number	6
Language	English
Publisher	The Korean Institute of Metals and Materials
Publisher Date	2006-01-01
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nano-composite plating electrochemical methods nano-sized particles corrosion wear Metallic Materials Operating Procedures, Materials Treatment Magnetism, Magnetic Materials Engineering Thermodynamics, Heat and Mass Transfer Characterization and Evaluation of Materials Continuum Mechanics and Mechanics of Materials
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Metals and Alloys Condensed Matter Physics

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