Optimal Selection of Chromium and Titanium in Iron Alloy Based Coating Materials Deposited via HVOF
1MECHANICAL ENGINEERING, POORNIMA COLLEGE OF ENGINEERING, India
2MECHANICAL ENGINEERING, BHAGALPUR COLLEGE OF ENGINEERING, BHAGALPUR, India
3MECHANICAL ENGINEERING, SUPAULL COLLEGE OF ENGINEERING, India
4Mechanical and Automation Engineering, Amity University, Noida, India
*Author to whom correspondence should be addressed:
E-mail: ranjan.shiv@gmail.com (SRK)
E-mail: ranjan.shiv@gmail.com (SRK)
Received: December 03, 2024 | Revised: July 06, 2025 | Accepted: July 26, 2025 | Published: September 2025
Abstract
The goal of the current work is to optimise the composition of the Fe-Cr-Ti alloy HVOF coating, taking into account both erosion resistance and mechanical characteristics. Using a special method that combined the fuzzy analytic hierarchy process (FAHP) and the technique for order preference by similarity to ideal solution (TOPSIS), the optimal formulation of the Fe-Cr-Ti alloy HVOF coating materials was found. The erosion properties include erosion wear rate under the condition of varying impact velocity and impingement angle. Fe-Cr-Ti alloy HVOF coating (C6) with 10% chromium and 10% titanium weight had the highest TOPSIS score of 0.748. Titanium is more significant than chromium regarding mechanical and wear behavior when considering all performance factors for the alloying element at levels up to 10%.
Keywords
titanium ; TOPSIS ; chromium ; Fe alloy-based coating
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