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Effect of Sodium Dodecyl Sulphate and Sodium Bromide Additives on Ni-W Nanocoatings

Effect of Sodium Dodecyl Sulphate and Sodium Bromide Additives on Ni-W Nanocoatings

Malay Kumar Das, Jiaqian Qin, Xinyu Zhang, Rongxia Li, Adisak Thueploy, Sarintorn Limpanart, Yuttanat Boonyongmaneerat, Mingzhen Ma, Riping Liu

J Nanosci Nanotechnol. 2017 Feb;17(2):1217-224.

PMID: 29683295

Abstract:

Nickel-tungsten (Ni-W) coatings were fabricated by electrodeposition method with varying quantities of sodium dodecyl sulphate and sodium bromide to examine the effects of the aforesaid additives on the coatings. The obtained nanocoatings were studied by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, and hardness tester. The hardness, tungsten content and grain size attained a maximum value at current density of 0.15 A/cm²,0.1 A/cm² and 0.1 A/cm², respectively. There was a pronounced impact of both the additives on the microstructure and morphology of the coatings. According to results, there are considerable difference in terms of the impact caused by the additives to the tungsten content, hardness and grain size of the coatings. The obtained results suggest that hardness of coatings is mainly contributed by W content in the deposits.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7647156-B	Sodium bromide		7647-15-6	Price

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