Electrodeposition and Magnetron Sputtering of Rhenium Coatings on Carbon-Carbon Composites for Enhanced Corrosion Resistance and Structural Integrity

Year : 2025 | Volume : 13 | Special Issue 04 | Page : 35 44
    By

    Sai Prasanna Kumar.J.V,

  • Sundharesan R,

  1. Professor, Department of Aeronautical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamil Nadu, India
  2. Research Scholar, Department of Aeronautical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, Tamil Nadu, India

Abstract

It is well known that tailored materials are gaining in-roads to aviation and other manufacturing industries where stringent requirements are to be met, due to high temperature erosion, which is a problem. In order to counter these issues, materials which can resist a very high temperature are to be sought. One of the several methods to combat this high temperature issue is to provide a metallic refractory material coating on the carbon-carbon substrates. Rhenium is one of the heaviest known materials with a high melting point and could be used in Combustor Liners and Turbine Blades, Throat Inserts, Nozzle Extensions, and Exit Cones in aircraft and rocket engines. In this present work 3D Carbon-carbon composite with 0/90 combination were used an experimental substrate on which Rhenium coating was provided. Rhenium was deposited electrophoretically and also by DC Magnetron Sputtering. The DC Magnetron sputtering was accomplished. CC pattern was revealed by X-ray Diffraction. Further the samples were immersed in 3.5% sodium chloride solution using three cell electrochemical works station the corrosion rate was estimated from the Tafel plots and it was found to be 1.33 x 10-3mm/ year and the electron transfers during the coating process was studied by the Nyquist Plots. A Rhenium Electrolytic solution was developed comprising of precursor Rhenium salts, and thin layer of Ni was given for better adherence. A thick coating of 30 microns was obtained from electrochemical deposition and with magnetron sputtering 3 microns thick coating was obtained.

Keywords: Rhenium, X-ray diffraction, corrosion, microstructure, Tafel & Nyquist plots.

[This article belongs to Special Issue under section in Journal of Polymer and Composites (jopc)]

How to cite this article:
Sai Prasanna Kumar.J.V, Sundharesan R. Electrodeposition and Magnetron Sputtering of Rhenium Coatings on Carbon-Carbon Composites for Enhanced Corrosion Resistance and Structural Integrity. Journal of Polymer and Composites. 2025; 13(04):35-44.
How to cite this URL:
Sai Prasanna Kumar.J.V, Sundharesan R. Electrodeposition and Magnetron Sputtering of Rhenium Coatings on Carbon-Carbon Composites for Enhanced Corrosion Resistance and Structural Integrity. Journal of Polymer and Composites. 2025; 13(04):35-44. Available from: https://journals.stmjournals.com/jopc/article=2025/view=214698


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Special Issue Subscription Original Research
Volume 13
Special Issue 04
Received 15/11/2024
Accepted 17/02/2025
Published 10/05/2025
Publication Time 176 Days
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