Vol.66, No.2, 2021, pp.1771-1784, doi:10.32604/cmc.2020.013946
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ARTICLE
Hybrid Metamodel—NSGA-III—EDAS Based Optimal Design of Thin Film Coatings
  • Kamlendra Vikram1, Uvaraja Ragavendran2, Kanak Kalita1,*, Ranjan Kumar Ghadai3, Xiao-Zhi Gao4
1 Department of Mechanical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Avadi, 600062, India
2 Department of Electronics and Telecommunication Engineering, MPSTME SVKM’S Narsee Monjee Institute of Management Studies, Shirpur, 425405, India
3 Department of Mechanical Engineering, Sikkim Manipal Institute of Technology, Sikkim Manipal University, Majhitar, 737136, India
4 School of Computing, University of Eastern Finland, Kuopio, 70211, Finland
* Corresponding Author: Kanak Kalita. Email:
Received 26 August 2020; Accepted 25 September 2020; Issue published 26 November 2020
Abstract
In this work, diamond-like carbon (DLC) thin film coatings are deposited on silicon substrates by using plasma-enhanced chemical vapour deposition (PECVD) technique. By varying the hydrogen (H2) flow rate, CH4−Argon (Ar) flow rate and deposition temperature (Td) as per a Box-Behnken experimental design (BBD), 15 DLC deposition experiments are carried out. The Young’s modulus (E) and the coefficient of friction (COF) for the DLCs are measured. By using a second-order polynomial regression approach, two metamodels are built for E and COF, that establish them as functions of H2 flow rate, CH4-Ar flow rate and Td. A non-dominated sorting genetic algorithm (NSGA-III) is used to obtain a set of Pareto solutions for the multi-objective optimization of E maximization and COF minimization. According to various practical scenarios, evaluation based on distance from average solution (EDAS) approach is used to identify the most feasible solutions out of the Pareto solution set. Confirmation experiments are conducted which shows the efficacy of the polynomial regression—NSGA-III—EDAS hybrid approach. The surface morphology of the DLCs deposited as per the optimal predictions is also studied by using atomic force microscopy.
Keywords
Multi-objective optimization; regression analysis; thin-film coating
Cite This Article
K. Vikram, U. Ragavendran, K. Kalita, R. K. Ghadai and X. Gao, "Hybrid metamodel—nsga-iii—edas based optimal design of thin film coatings," Computers, Materials & Continua, vol. 66, no.2, pp. 1771–1784, 2021.
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