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Influence Of Ternary Additives On Electrochemical And Mechanical Behaviors Of Electroless Ni-P Coatings

Picture for Influence Of Ternary Additives On Electrochemical And Mechanical Behaviors Of Electroless Ni-P Coatings
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Corrosion and wear resistance has always been among the highly important parameters for
equipment and piping in oil and gas facilities. The corrosion is considered as the deterioration
of materials as a result of electrochemical reaction with surrounding environment or contained
service. Wear is defined as the removal and deformation of material due to mechanical
interaction between two or more objects. Increased demand for surface protection and reduced
operative costs touts for protective coatings with improved mechanical, electrochemical, and
tribological properties.

Product Number: 51322-17841-SG
Author: Omar Chaa, Ahmad Raza Khan Rana, George Jarjoura
Publication Date: 2022
Industries: Corrosion Monitoring and Control , Coatings and Linings , Coatings
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$20.00

This paper describes the deposition of various Ni-P composite coatings over an AISI 1012
steel sample through an electroless coating process. The composite coatings were
prepared using various ternary additives namely carbon nanotubes, titanium, and alumina.
Coated samples were characterized over alongside surface and cross-sections using
energy dispersive spectroscopy. Corrosion behaviors of composite coatings were
characterized using potentiodynamic polarization. Mechanical and tribological attributes
were evaluated using Vickers hardness and nano-indentation, respectively. Among the
candidate additives, Titanium reached the maximum incorporation (upto 30 wt.%). Alumina
particles showed competing compromise between surface smoothness and deposition rate.
Carbon nanotubes improved lubrication effects by reducing co-efficient of friction (checked
using universal micro tribometer). Alumina manifested the highest hardness and the least
corrosion rate in comparison to the candidate additives.

This paper describes the deposition of various Ni-P composite coatings over an AISI 1012
steel sample through an electroless coating process. The composite coatings were
prepared using various ternary additives namely carbon nanotubes, titanium, and alumina.
Coated samples were characterized over alongside surface and cross-sections using
energy dispersive spectroscopy. Corrosion behaviors of composite coatings were
characterized using potentiodynamic polarization. Mechanical and tribological attributes
were evaluated using Vickers hardness and nano-indentation, respectively. Among the
candidate additives, Titanium reached the maximum incorporation (upto 30 wt.%). Alumina
particles showed competing compromise between surface smoothness and deposition rate.
Carbon nanotubes improved lubrication effects by reducing co-efficient of friction (checked
using universal micro tribometer). Alumina manifested the highest hardness and the least
corrosion rate in comparison to the candidate additives.

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Product Number: 51322-17639-SG
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