INVESTIGATION OF STABILIZER AND SURFACTANT EFFECT ON SURFACE MORPHOLOGY AND MICRO HARDNESS OF NI-P/NANO TIO2 ELECTROLESS COMPOSITE COATING

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TAJBAKHSH M.; FARHADINIA M.; YAGHOBIZADEH O.

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Journal: JOURNAL OF NEW MATERIALS Year:2015 | Volume:5 | Issue:3 (19) Page(s): 9-22

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Title

INVESTIGATION OF STABILIZER AND SURFACTANT EFFECT ON SURFACE MORPHOLOGY AND MICRO HARDNESS OF NI-P/NANO TIO2 ELECTROLESS COMPOSITE COATING

Author(s)

TAJBAKHSH M. | FARHADINIA M. | YAGHOBIZADEH O. | Issue Writer Certificate

Keywords

ELECTROLESSQ2

TIO2Q3

SURFACTANTQ2

STABILIZERQ2

MICRO HARDNESSQ2

MORPHOLOGYQ2

Abstract

In this study, Ni-P/Nano TiO2 coating was applied with a commercial ELECTROLESS nickel bath on an aluminum substrate and various characteristics of the coating were investigated. The effects of SDS SURFACTANT were also observed. Next the effects of Thiourea STABILIZER on the coating were studied with two parameters: TiO2 content in the solution and optimized speed stirrer. Finally by using STABILIZER and SURFACTANT simultaneously, the effects of them on the MORPHOLOGY and micro-hardness were analyzed and compared to previous coatings. Results show that using commercial ELECTROLESS nickel bath with no additives is not appropriate for applying TiO2 Nano particles and will be unstable after a short time. By adding SDS SURFACTANT, the stability was improved slightly but micro-hardness was decreased considerably (345 HV), the reason is attributed to cauliflower MORPHOLOGY with high porosity structure. By adding Thiourea STABILIZER, the stability was increased and at the same time, micro-hardness was improved up to a maximum quantity (792 HV). Also, the deposition rate and TiO2 content in the coating were measured 19 mm/h and 3.8 wt% respectively, which are the maximum values among all the coatings. It was also observed that using STABILIZER and SURFACTANT simultaneously, will reduce the quality of the coating.

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References

SYNTHESIS AND EVALUATION OF ANTIBACTERIAL ACTIVITY OF SILVER-DOPED TITANIA NANOPARTICLES AS AN ANTIBACTERIAL ADDITIVE TO DENTAL MATERIALS

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APA: Copy

TAJBAKHSH, M., FARHADINIA, M., & YAGHOBIZADEH, O.. (2015). INVESTIGATION OF STABILIZER AND SURFACTANT EFFECT ON SURFACE MORPHOLOGY AND MICRO HARDNESS OF NI-P/NANO TIO₂ ELECTROLESS COMPOSITE COATING. JOURNAL OF NEW MATERIALS, 5(3 (19)), 9-22. SID. https://sid.ir/paper/169979/en

Vancouver: Copy

TAJBAKHSH M., FARHADINIA M., YAGHOBIZADEH O.. INVESTIGATION OF STABILIZER AND SURFACTANT EFFECT ON SURFACE MORPHOLOGY AND MICRO HARDNESS OF NI-P/NANO TIO₂ ELECTROLESS COMPOSITE COATING. JOURNAL OF NEW MATERIALS[Internet]. 2015;5(3 (19)):9-22. Available from: https://sid.ir/paper/169979/en

IEEE: Copy

M. TAJBAKHSH, M. FARHADINIA, and O. YAGHOBIZADEH, “INVESTIGATION OF STABILIZER AND SURFACTANT EFFECT ON SURFACE MORPHOLOGY AND MICRO HARDNESS OF NI-P/NANO TIO₂ ELECTROLESS COMPOSITE COATING,” JOURNAL OF NEW MATERIALS, vol. 5, no. 3 (19), pp. 9–22, 2015, [Online]. Available: https://sid.ir/paper/169979/en

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