Parametric optimization of residual stress of TiO2 composite coating

Open Access

Year : 2024 | Volume :12 | Issue : 02 | Page : 295-301

Bhuwan Khare,


Ratnesh Kumar Sharma,

  1. Research Scholar Department of Mechanical Engineering, Poornima College of Engineering Rajasthan India
  2. Associate Professor Department of Mechanical Engineering, Poornima College of Engineering Rajasthan India
  3. Associate Professor Department of Mechanical Engineering, Poornima College of Engineering Rajasthan India


The primary objective was to develop a composite coating by utilizing the HVOF thermal spray technique and including TiO2. The substrate was covered with a high-quality composite layer utilizing the HVOF coating process. The TiO2-based powder and carbon powder were initially combined in the mixer for deposition. The composite powders were applied via an HVOF torch, namely the PT F4 model. The firearm frequently produces a high-speed flow of extremely hot air. The Hybrid composite coating has a thickness ranging from 350 to 450µm. The ultimate aim was to improve residual stresses by applying the Taguchi strategy. An ANOVA analysis was employed to assess the statistical significance of the process components in the composite coating based on TiO2. According to the experimental results, temperature has the highest percentage influence (64.19%) on the change in residual stress, trailed by (21.82%) frequency and (6.31%) load. The expected optimal range is CICE : 7.28 < µ < 13.8 while the expected mean range for CIPOP : 7.24 < µ < 12.24. Three confirmation tests were undertaken to compute and predict the optimal scenario. The process parameters are established as follows: test 3 of frequency (A3) is configured at 27 Hz, test 3 of temperature (B3) is configured at 375oC, and test 1 of load (C1) is configured at 20N.

Keywords: Residual stress, Taguchi, Composite coating, ANOVA, HVOF thermal Spray, TiO2 Coating.

[This article belongs to Journal of Polymer and Composites(jopc)]

How to cite this article: Bhuwan Khare, Yashpal, Ratnesh Kumar Sharma. Parametric optimization of residual stress of TiO2 composite coating. Journal of Polymer and Composites. 2024; 12(02):295-301.
How to cite this URL: Bhuwan Khare, Yashpal, Ratnesh Kumar Sharma. Parametric optimization of residual stress of TiO2 composite coating. Journal of Polymer and Composites. 2024; 12(02):295-301. Available from:

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Regular Issue Open Access Original Research
Volume 12
Issue 02
Received January 23, 2024
Accepted March 4, 2024
Published June 14, 2024