Review

High entropy alloys: a brief overview on the synthesis routes and influence on process parameters

Department of Mechanical Engineering, College of Engineering Guindy, Anna University, Chennai, 600025, Tamil Nadu, India

^* e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Received: 8 September 2025
Accepted: 11 December 2025

Abstract

High-entropy alloys (HEAs) have gained wide attention for their exceptional structural and functional properties derived from their unique multi-principal element compositions. This review provides a comprehensive overview of HEAs, covering fabrication methods, processing parameters, mechanical behavior, and potential applications. Unlike many previous reviews, this workplace particular emphasis on elemental selection strategies explaining how to choose suitable elements based on thermodynamic parameters, atomic characteristics, and phase stability calculations. Detailed discussions on the use of predictive tools such as CALPHAD and phase diagram plotting software are included to guide beginners in designing and optimizing new HEAs. This paper aims to serve as a fundamental reference for early researchers, simplifying the path from alloy design to fabrication and property evaluation.