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High-Entropy Alloys - 2nd Edition - ISBN: 9780128160671, 9780128160688

High-Entropy Alloys

2nd Edition

Authors: B.S. Murty Jien-Wei Yeh S. Ranganathan P. P. Bhattacharjee
Paperback ISBN: 9780128160671
eBook ISBN: 9780128160688
Imprint: Elsevier
Published Date: 16th March 2019
Page Count: 388
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High-Entropy Alloys, Second Edition provides a complete review of the current state of the field of high entropy alloys (HEA). Building upon the first edition, this fully updated release includes new theoretical understandings of these materials, highlighting recent developments on modeling and new classes of HEAs, such as Eutectic HEAs and Dual phase HEAs. Due to their unique properties, high entropy alloys have attracted considerable attention from both academics and technologists. This book presents the fundamental knowledge, the spectrum of various alloy systems and their characteristics, key focus areas, and the future scope of the field in terms of research and technological applications.

Key Features

  • Provides an up-to-date, comprehensive understanding on the current status of HEAs in terms of theoretical understanding and modeling efforts
  • Gives a complete idea on alloy design criteria of various classes of HEAs developed so far
  • Discusses the microstructure property correlations in HEAs in terms of structural and functional properties
  • Presents a comparison of HEAs with other multicomponent systems, like intermetallics and bulk metallic glasses


Current and future researchers in the field of High Entropy Alloys (HEA)

Table of Contents

Chapter 1 A brief history of alloys and the birth of high-entropy alloys

1.1 Introduction

1.2 The coming of alloys

1.3 Special alloys and composites

1.4 The coming of multicomponent HEAs

1.5 The scope of this book

Chapter 2 High-entropy alloys: basic concepts

2.1 Introduction

2.2 Classification of phase diagrams and alloy systems

2.3 Definition of HEAs

2.4 Composition notation

2.5 Four core effects of HEAs

Chapter 3 Physical metallurgy of high-entropy alloys

3.1 Introduction

3.2 Diffusion behavior

3.3 Phase transformations

3.4 Deformation behavior

Chapter 4 Alloy design and phase selection rules in high-entropy alloys

4.1 Introduction

4.2 Predicting solid solubility from Hume-Rothery rules

4.3 Mutual solubility and phase formation tendency in HEAs

4.4 Parametric approaches to predict crystalline solid solution and metallic glass

4.5 Pettifor map approach to predict the formation of IM, quasicrystal and glass

4.6 Phase separation approach to find single-phase HEAs

Chapter 5 Alloy Design in the 21st century: ICME and materials genome and artificial intelligence strategies

5.1 Introduction

5.2 Integrated computational materials engineering

5.3 The advent of artificial intelligence

Chapter 6 Synthesis and processing

6.1 Introduction

6.2 Liquid metallurgy route

6.3 Additive manufacturing

6.4 Solid state processing route

6.5 Carbothermal shock (CTS) synthesis

6.6 Combinatorial materials synthesis

Chapter 7 Solid Solution phases and their microstructures in HEAs

7.1 Introduction

7.2 Solid solution formation in equiatomic HEAs

7.3 Solid solution formation in nonequiatomic HEAs

7.4 Microstructure of HEAs

7.5 Thermal stability of HEAs

Chapter 8 Special subgroups of high-entropy alloys

8.1 Introduction

8.2 Transition metal HEAs

8.3 Refractory HEAs

8.4 Other HEA families

8.5 Intermetallic compounds

8.6 Interstitial compounds (Hagg phases)

8.7 Metallic glasses

Chapter 9 High-entropy ceramics

9.1 Introduction

9.2 High-entropy nitrides

9.3 High-entropy oxides

9.4 High-entropy diborides

9.5 High-entropy composites

9.6 High-entropy cemented carbides and cermets

Chapter 10 High-entropy alloy coatings

10.1 Introduction

10.2 Classification of hard coatings

10.3 Conventional hard coatings

10.4 High-entropy thin film coatings

10.5 High-entropy thick film coatings

Chapter 11 Structural properties

11.1 Introduction

11.2 Mechanical properties

11.3 Wear properties

11.4 Electrochemical properties

11.5 Oxidation behavior

Chapter 12 Functional properties

12.1 Introduction

12.2 Diffusion barrier properties

12.3 Electrical properties

12.4 Thermal properties

12.5 Magnetic properties

12.6 Hydrogen storage properties

12.7 Irradiation resistance

12.8 Catalytic properties

12.9 Thermoelectric properties

Chapter 13 Applications and future directions

13.1 Introduction

13.2 Goals of property improvement

13.3 Advanced applications demanding new materials

13.4 Examples of applications

13.5 Patents on HEAs and related-materials

13.6 Future directions


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© Elsevier 2019
16th March 2019
Paperback ISBN:
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About the Authors

B.S. Murty

B.S. Murty

Dr. B.S. Murty is a Professor, Department of Metallurgical and Materials Engineering, IIT Madras, Chennai, India. He has pioneered the synthesis of nanocrystalline materials by mechanical alloying route. His other important contributions are in the field of bulk metallic glasses and in-situ composites. He has co-authrored a Text Book on Nanoscience and Nanotechnology. He has also made significant contributions to the field of high-entropy alloys.

Affiliations and Expertise

Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai, India

Jien-Wei Yeh

Jien-Wei Yeh

Dr. J.W. Yeh is a Professor, Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan, R.O.C. He is the first to propose the concept of HEAs and HE-related materials. He has dug into this field for more than 18 years. His other important contributions are in the field of high-strength Al and Mg alloys, metal-matrix composites, rapid solidification, and reciprocating extrusion.

Affiliations and Expertise

Department of Materials Science and Engineering, National TsingHua University, Hsinchu, Taiwan

S. Ranganathan

Dr. Srinivasa Ranganathan is NASI Platinum Jubilee Fellow at the Indian Institute of Science, Bangalore. His academic career as an educator and researcher in metallurgy for the past four decades at the Banaras Hindu University and the Indian Institute of Science has been stellar. He has made significant contributions to our understanding of the structure of interfaces, quasicrystals, bulk metallic glasses and nanostructured materials. He has co-authored a book on New Geometries for New Materials.

Affiliations and Expertise

Department of Materials Engineering, Indian Institute of Science, Bangalore, India

P. P. Bhattacharjee

Dr. Pinaki Bhattacharjee is an Associate Professor in the Department of Materials Science and Engineerinng at the Indian Institute of Technology Hyderabad. His research interests include deformation and restoration behaviour of metallic materials, as well as crystallographic texture, and the application of high resolution Electron Back Scatter Diffraction (EBSD) and Transmission Electron Microscopy (TEM) techniques in materials characterization.

Affiliations and Expertise

Department of Materials Science and Engineering, Indian Institute of Technology Hyderabad, Andhra Pradesh, India

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