EVALUATION OF NANO-COMPOSITE COATINGS NI–P–TIO2 SYNTHESIZED BY COMBINED ELECTROLESS/SOL-GEL PROCESS

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GHADERI M.; MONIRVAGHEFI S.M.

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Journal: IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING Year:2015 | Volume:11 | Issue:24 Page(s): 51-59

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Title

EVALUATION OF NANO-COMPOSITE COATINGS NI–P–TIO2 SYNTHESIZED BY COMBINED ELECTROLESS/SOL-GEL PROCESS

Author(s)

GHADERI M. | MONIRVAGHEFI S.M. | Issue Writer Certificate

Keywords

ELECTROLESS PLATINGQ2

NI–P–TIO2 COMPOSITE COATINGSQ2

NANO-PARTICLE DISPERSIONQ2

SOL-GELQ3

MICROHARDNESSQ2

Abstract

In the present study, a new process for the production of nano-structured composite coating of metal - oxide has been presented. Novel electroless composite combines SOL-GEL and ELECTROLESS PLATING process to prepare highly dispersive oxide nano-particle reinforced composite coatings. Transparent TiO2 sol was added into the standard electroless plated Ni-P solution at a controlled rate to produce Ni P-TiO2 nano-composite coatings on AZ31 substrate. The coating was found to have a crystalline structure. The nano-sized TiO2 particles (~15 nm) were well dispersed into the Ni-P coating matrix during the co-deposition process. This technique can effectively avoid the agglomeration of nano-particles in the coating matrix. As a result, the micro-hardness of the composite coatings were significantly increased to~1025 HV200 compared to~710 HV200 of the conventional electroless coatings produced with solid particle mixing methods.

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APA: Copy

GHADERI, M., & MONIRVAGHEFI, S.M.. (2015). EVALUATION OF NANO-COMPOSITE COATINGS NI–P–TIO₂ SYNTHESIZED BY COMBINED ELECTROLESS/SOL-GEL PROCESS. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, 11(24), 51-59. SID. https://sid.ir/paper/121028/en

Vancouver: Copy

GHADERI M., MONIRVAGHEFI S.M.. EVALUATION OF NANO-COMPOSITE COATINGS NI–P–TIO₂ SYNTHESIZED BY COMBINED ELECTROLESS/SOL-GEL PROCESS. IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING[Internet]. 2015;11(24):51-59. Available from: https://sid.ir/paper/121028/en

IEEE: Copy

M. GHADERI, and S.M. MONIRVAGHEFI, “EVALUATION OF NANO-COMPOSITE COATINGS NI–P–TIO₂ SYNTHESIZED BY COMBINED ELECTROLESS/SOL-GEL PROCESS,” IRANIAN JOURNAL OF SURFACE SCIENCE AND ENGINEERING, vol. 11, no. 24, pp. 51–59, 2015, [Online]. Available: https://sid.ir/paper/121028/en

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