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Electrodeposition of nano crystalline nickel using pulse technique for hi-tech applications

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4 Author(s)
Srinivasan, S. ; Central Electrochem. Res. Inst. (CECRI), Karaikudi, India ; Silaimani, S.M. ; Vivekanandan, G. ; Veeramani, P.

Nickel is deposited from different electrolytes as sulphate, sulphamate, chloride for its various applications. Electrodeposition of nickel is used mostly for corrosion protection of steel and for both decorative and functional applications. Bright, Semi-bright coatings can be obtained from various compositions of electrolytes for its various requirements. Nickel is also used for electroforming purposes to fabricate critical components which cannot be produced by conventional fabrication processes. Some of the strategic components like rocket engine thrust chamber, missile cone, seamless crucible, engine for Reusable Launch vehicle and MEMS are fabricated by electroforming process; this process is also engaged in the preparation of mould for hologram, DVD, currency etc. The present study dealt with deposition of nano crystalline nickel from sulphamate electrolyte by direct current and pulsed current; surface morphology was studied by SEM, X-ray diffraction pattern of electrodeposited samples. The results are of impressive one that nano crystalline nickel was obtained in the order of 60 to 80 nanometers by pulse technique.

Published in:

Nanoscience, Engineering and Technology (ICONSET), 2011 International Conference on

Date of Conference:

28-30 Nov. 2011