Abstract
In the present work, nano-composites of Ni-P-SiO2-Al2O3 were coated on AZ91HP magnesium alloy. The surface morphology of the nano-composite coating was studied by field emission scanning electron microscopy (FESEM). The amount of SiO2 in the coating was determined by energy-dispersive analysis of x-ray (EDX), and the crystalline structure of the coating was examined by x-ray diffractometer (XRD). All the experiments concerning the corrosion behavior of the coating carried out in 3.5 wt.% NaCl solution and evaluated by electrochemical impedance spectroscopy (EIS) and polarization technique. The results showed that an incorporation of SiO2 and Al2O3 in Ni-P coating at the SiO2 concentration of 10 g/Land 14 g/LAl2O3 led to the lowest corrosion rate (i corr = 1.3 µA/cm2), the most positive E corr and maximum microhardness (496 VH). Furthermore, Ni-P-SiO2-Al2O3 nano-composite coating possesses less porosity than that in Ni-P coating, resulting in improving corrosion resistance.
Similar content being viewed by others
References
Z. Abdel Hamid and M.T. Abou Elkhair, Development of Electroless Nickel-Phosphorous Composite Deposits for Wear Resistance of 6061 Aluminum Alloy, Mater. Lett., 2002, 57, p 720–726
I. Paloumpa, A. Yfantis, P. Hoffmann, Y. Burkov, D. Yfantis, and D. Schmeißer, Mechanisms to Inhibit Corrosion of Al Alloys by Polymeric Conversion Coatings, Surf. Coat. Technol., 2004, 180-181, p 308–312
S. Sadreddini and A. Afshar, The Effect of Heat Treatment on Properties of Ni-P-SiO2 Nano-Composite Coating, Prot. Met. Phys. Chem. Surf., 2016, 52, p 492–499
N. Nayebpashaee, S.H. Seyedein, M.R. Aboutalebi, H. Sarpoolaky, and S.M.M. Hadavi, Finite Element Simulation of Residual Stress and Failure Mechanism in Plasma Sprayed Thermal Barrier Coatings Using Actual Microstructure as the Representative Volume, Surf. Coat. Technol., 2016, 291, p 103–114
Q. Miao, C.E. Cui, and J.D. Pan, CrN-TiN Multilayer Coating on Magnesium Alloy AZ91 by Arc-Glow Plasma Depositing Process, Surf. Coat. Technol., 2007, 201, p 5077–5080
H. Hoche, C. Blawert, E. Broszeit, and C. Berger, Galvanic Corrosion Properties of Differently PVD-Treated Magnesium Die Cast Alloy AZ91, Surf. Coat. Technol., 2005, 193, p 223–229
S. Sun, J. Liu, C. Yan, and F. Wang, A Novel Process for Electroless Nickelplating on Anodized Magnesium Alloy, Appl. Surf. Sci., 2008, 254, p 5016–5022
S. Afroukhteh, C. Dehghanian, and M. Emamy, Preparation of the Ni-P Composite Coating Co-deposited by Nano TiC Particles and Evaluation of Its Corrosion Property, Appl. Surf. Sci., 2012, 258, p 2597–2601
P. Babadi, S. Sadreddini, F. Mohsenifar, and M. Roshani, The Influence of Electrophoretic Potential on Ni-Al2O3 Nano-composite Coating, Prot. Met. Phys. Chem. Surf., 2016, 52, p 249–253
A. Grosjean, M. Rezrazi, J. Takadoum, and P. Bercot, Hardness Friction and Wear Characteristics of Nickel-SiC Electroless Composite Deposits, Surf. Coat. Technol., 2001, 137, p 92–96
L. Yan, S. Yu, J.-D. Liu, Z.-W. Han, and D. Yuan, Microstructureand Wear Resistance of Electrodeposited Ni-SiO2 Nano-composite Coatings on AZ91HP Magnesium Alloy Substrate, Trans. Nonferrous Met. Soc. China, 2011, 21, p 483–488
A. Abdel Aal, H.B. Hassan, and M.A. Abdel Rahim, Nanostructured Ni-P-TiO2 Composite Coatings for Electrocatalytic Oxidation of Small Organic Molecules, J. Electroanal. Chem., 2008, 619-620, p 17–25
A. Sharma and A.K. Singh, Electroless Ni-P-PTFE-Al2O3 Dispersion Nanocomposite Coating for Corrosion and Wear Resistance, J. Mater. Eng. Perform., 2014, 23, p 142–151
J. Liu, S. Wang, P. Li, M. Feng, and X. Yang, A Modified Dip-Coating Method to Prepare BN Coating on SiC Fiber by Introducing the Sol–Gel Process, Surf. Coat. Technol., 2016, 286, p 57–63
S. Rossi, F. Chini, G. Straffelini, P.L. Bonora, R. Moschini, and A. Stampali, Corrosion Protection Properties of Electroless Nickel/PTFE, Phosphate/MoS2 and Bronze/PTFE Coatings Applied to Improve the Wear Resistance of Carbon Steel, Surf. Coat. Technol., 2003, 173, p 235–242
M. Islam, M.R. Azhar, N. Fredj, T.D. Burleigh, O.R. Oloyede, A.A. Almajid, and S.I. Shah, Influence of SiO2 Nanoparticles on Hardness and Corrosion Resistance of Electroless Ni-P Coatings, Surf. Coat. Technol., 2015, 261, p 141–148
B. Song, S. Dong, H. Liao, and C. Coddet, Microstructure and Wear Resistance of FeAl/Al2O3 Intermetallic Composite Coating Prepared by Atmospheric Plasma Spraying, Surf. Coat. Technol., 2015, 268, p 24–29
E. Correa, A.A. Zuleta, L. Guerra, M.A. Gómez, J.G. Castaño, F. Echeverría, H. Liu, A. Baron-Wiecheć, T. Hashimoto, P. Skeldon, and G.E. Thompson, Coating Development During Electroless Ni-B Plating on Magnesium and AZ91D Alloy, Surf. Coat. Technol., 2013, 232, p 784–794
S. Sadreddini, Z. Salehi, and H. Rassaie, Characterization of Ni-P-SiO2 Nano-composite Coating on Magnesium, Appl. Surf. Sci., 2015, 324, p 393–398
S. Sadreddini and A. Afshar, Corrosion Resistance Enhancement of Ni-P-Nano SiO2 Composite Coatings on Aluminum, Appl. Surf. Sci., 2014, 303, p 125–130
Q. Feng, T. Li, H. Yue, K. Qi, F. Bai, and J. Jin, Preparation and Characterization of Nickel Nano-Al2O3 Composite Coatings by Sediment Co-deposition, Appl. Surf. Sci., 2008, 254, p 2262–2268
S. Sadreddini, A. Afshar, and M. Ahmadi, Jazani, Tribological Properties of Ni-P-SiO2 Nanocomposite Coating on Aluminum, Colloid J., 2015, 77, p 628–634
R. MafiIman and C. Dehghanian, Studing the Effect of the Addition of TiN Nanoparticles to Ni-P Electroless Coatings, Appl. Surf. Sci., 2011, 258, p 1876–1880
T. Rabizadeh and S.R. Allahkaram, Corrosion Resistance Enhancement of Ni-P Electroless Coatings by Incorporation of Nano-SiO2 Particles, Mater. Des., 2011, 32, p 133–138
Acknowledgments
This work was financially supported by Islamic Azad University (Tehran, Iran). Mr. Barkhordary, the director of material production and processing laboratory also is gratefully acknowledged.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Sadreddini, S., Rahemi Ardakani, S. & Rassaee, H. Corrosion Behavior and Microhardness of Ni-P-SiO2-Al2O3 Nano-composite Coatings on Magnesium Alloy. J. of Materi Eng and Perform 26, 2032–2039 (2017). https://doi.org/10.1007/s11665-017-2632-8
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11665-017-2632-8