Volume 18, Issue 3 (September 2021)                   IJMSE 2021, 18(3): 1-7 | Back to browse issues page

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Lekmine F, Ben Temam H, Temam E. Characterization of Nanocrystalline NiP Alloy Coatings Electrodeposited at Various Current Densities. IJMSE 2021; 18 (3) :1-7
URL: http://ijmse.iust.ac.ir/article-1-2237-en.html
Characterization of Nanocrystalline NiP Alloy Coatings Electrodeposited at Various Current Densities
Farid Lekmine , Hachemi Ben Temam , Elhachmi Temam
Abstract:   (9949 Views)
Nickel phosphorus alloy coatings were prepared by electrodeposition route from sulfate electrolyte bath at various current densities. SEM studies reveal spherical grains covered the entire surface with uniform distribution. EDX results showed a linear increase of P content in the developed deposits with current density and therefore, enhancing the grains size and drop of the hardness values. XRD studies reveal monocrystalline orthorhombic alloys at a low amount of phosphorus (10.88 wt. %). Corrosion tests show that 1 A.dm-2 is the best applied current density giving the nobler Ecorr (-171.4 mV) and the lower icorr (4.64 µA/cm2).
Keywords: Ni–P alloy coatings, Crystal structure, P content, Hardness, Electrochemical properties.
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Type of Study: Research Paper | Subject: Ceramics
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