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Chapter 2 High-entropy alloys: design, properties, manufacturing, and applications

  • Sudipta Debnath , Md Hasibur Rahman , Rahul Mohonta , Mohammad Ashiqur Rahaman , A. S. Gayathhri , A. Vallimanalan and M. Murali
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Smart Alloys
This chapter is in the book Smart Alloys

Abstract

Multicomponent alloys, particularly high-entropyentropy alloys (HEAs), have revolutionized materials science by introducing novel alloying strategies based on configurational entropy. Unlike conventional alloys (CAs), HEAs consist of five or more principal elements in near-equimolar proportions, stabilizing single-phase solid solutions and exhibiting superior mechanical, thermal, and corrosion-resistant properties. This chapter provides a comprehensive exploration of the history, classification, design strategies, phase stability, manufacturing techniques, and applications of multicomponent alloysmulticomponent alloys. Key developments in computational modeling, including CALPHADCALPHAD and machine learning-assisted alloy design, are also discussed. The growing potential of HEAs in aerospace, energy, biomedical, and structural applications underscores their significance in next-generation materials development.

Abstract

Multicomponent alloys, particularly high-entropyentropy alloys (HEAs), have revolutionized materials science by introducing novel alloying strategies based on configurational entropy. Unlike conventional alloys (CAs), HEAs consist of five or more principal elements in near-equimolar proportions, stabilizing single-phase solid solutions and exhibiting superior mechanical, thermal, and corrosion-resistant properties. This chapter provides a comprehensive exploration of the history, classification, design strategies, phase stability, manufacturing techniques, and applications of multicomponent alloysmulticomponent alloys. Key developments in computational modeling, including CALPHADCALPHAD and machine learning-assisted alloy design, are also discussed. The growing potential of HEAs in aerospace, energy, biomedical, and structural applications underscores their significance in next-generation materials development.

Chapters in this book

  1. Frontmatter I
  2. Contents V
  3. Contributing authors VII
  4. Chapter 1 Introduction to smart materials and alloys 1
  5. Chapter 2 High-entropy alloys: design, properties, manufacturing, and applications 35
  6. Chapter 3 Biocompatible smart material alloys for implantable devices 71
  7. Chapter 4 Smart alloys in corrosion prevention and wastewater treatment applications 101
  8. Chapter 5 Innovations in smart alloy applications enhancing aerospace and automotive performance 127
  9. Chapter 6 Future trends and research challenges in smart alloys 145
  10. Chapter 7 Market perspectives of smart alloys 169
  11. Index 193
https://doi.org/10.1515/9783111630205-002

Chapters in this book

  1. Frontmatter I
  2. Contents V
  3. Contributing authors VII
  4. Chapter 1 Introduction to smart materials and alloys 1
  5. Chapter 2 High-entropy alloys: design, properties, manufacturing, and applications 35
  6. Chapter 3 Biocompatible smart material alloys for implantable devices 71
  7. Chapter 4 Smart alloys in corrosion prevention and wastewater treatment applications 101
  8. Chapter 5 Innovations in smart alloy applications enhancing aerospace and automotive performance 127
  9. Chapter 6 Future trends and research challenges in smart alloys 145
  10. Chapter 7 Market perspectives of smart alloys 169
  11. Index 193
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