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Electroless Ni-W-P/MoS2 ternary composite coatings Process, Properties and Technological Applications - Ni-W-P/MoS2. DE

English · Paperback / Softback

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The electroless Ni-W-P ternary alloy and its MoS2 composite films were successfully obtained on low-carbon steel by the electroless plating technique. The sodium tungstate concentration in the bath was varied to obtain Ni-W-P deposits containing various W and P contents. Ni-W-P-MoS2 composite was obtained with a suitable concentration of sodium tungstate in the plating bath. These deposits were characterized via x-ray diffraction (XRD), scanning electron microscopy and energy dispersive XRD spectroscopy studies. The corrosion behavior was investigated via potentiodynamic polarization and electrochemical impedance spectroscopy studies in a 3.5 wt% NaCl solution. An increase in codeposition of the alloying metal tungsten changed the structure and morphology of the deposits and enhanced the corrosion resistance. Mechanical properties such as microhardness and friction coefficients were evaluated. Ni-W-P deposits with increasing amounts of tungsten metal were found to possess higher friction coefficients. The microhardness was greatly improved with increasing codeposition of tungsten metal in the alloy.

About the author










Dr S Ranganatha received his Ph.D degree in Chemistry with Electrochemistry as specialization from Kuvempu University, India in 2013. He is currently affiliated to Department of Chemistry, School of Engineering, Presidency University, Bengaluru, India as an Assistant Professor.  

Product details

Authors Ranganatha S
Publisher LAP Lambert Academic Publishing
 
Languages English
Product format Paperback / Softback
Released 23.01.2023
 
EAN 9786205640036
ISBN 9786205640036
No. of pages 60
Subject Natural sciences, medicine, IT, technology > Chemistry > Physical chemistry

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