Tungsten Carbides : Advances in Research and Applications / William D. McMartin, editor.

Format:

Book

Contributor:

McMartin, William D., editor.

Series:

Chemistry research and applications series.

Chemistry Research and Applications Series

Language:

English

Subjects (All):

Tungsten.

Physical Description:

1 online resource (208 pages)

Edition:

First edition.

Place of Publication:

New York : Nova Science Publishers, Inc., [2023]

Summary:

"This book contains five chapters that detail Tungsten carbides. Chapter One covers applications of Tungsten carbide (WC) and transition metal/Tungsten carbide (M/WC) (M=Pt, Pd, Ag, Au, Ni, Cu, Rh) as heterogeneous catalysts in several processes. Chapter Two attempts to comprehensively summarize the current advances of nanostructured cemented carbide, functionally graded cemented carbide and cemented carbide with an alternative binder to the metal binder phase. Chapter Three analyzes published papers devoted to the research and synthesis of tungsten carbide nanoparticles. Chapter Four presents recent advances in the research and applications of tungsten carbides in micro-electrical discharge machining for titanium alloy machining. Lastly, Chapter Five investigates a finite element approach that has been developed to explore the wear by cracking in cutting tools during machining processes"-- Provided by publisher.

Contents:

Intro

Contents

Preface

Chapter 1

Tungsten Carbide in Heterogeneous Catalysis: An Application of Theory to Gain Insights into Catalytic Processes

Abstract

Introduction

Models and Methodologies for Tungsten Carbide-Based Systems

Bulk Tungsten Carbides

Surfaces of Pristine Tungsten Carbide

Tungsten Carbide as a Support of Metals

Computational Methodologies

Pristine Tungsten Carbides in Heterogeneous Catalysis

Hydrogen Adsorption and Dissociation

Application of Pristine Tungsten Carbides in Heterogeneous Catalysis

Activation of Ethylene

Methane Activation and Coupling

Ammonia Decomposition

Adsorption and Dissociation of CO2

Adsorption and Reaction of CO and H2O

Tungsten Carbides as a Support of Metals in Heterogeneous Catalysts

Binding and Conversion of Methanol, Water, O2, CO, CO2 over MML/α-WC(0001)

Binding and Conversion of C2+ Oxygenates and N-Based Compounds on MML/α-WC(0001)

Hydrogen Adsorption and Dissociation over Pt/WC

Hydroconversion of Small Hydrocarbons

Tungsten Carbides as Support of Metal Clusters

Applications in Electrocatalysis

Fundamental Aspects of Hydrogen Evolution Reaction

Overview of Hydrogen Evolution Mechanism

Experimental Criteria for Catalytic Activity toward HER

Catalytic Activity Criteria: Overpotential and Exchange Current Density

Experimental Evaluation of Catalyst's Stability in Working Conditions

Synthesis of Tungsten Carbide

Carbothermal Reduction

Hydrothermal Method

Pure WC Activity Toward HER

HER Activity of WC-Based Materials

Metal Adlayers Supported on Tungsten Carbide

Doped Tungsten Carbide

HER Activity of Bimetallic Tungsten-Based Carbides

Tungsten Carbide Supported on Other Materials

Conclusion

Acknowledgments

References

Chapter 2.

Advances in Cemented Carbides for Metal Machining

Development of Nanosized Cemented Carbides

Sintering of Nanosized Cemented Carbides

Mechanical Properties of Nanosized Cemented Carbides

Development of Functionally Graded Cemented Carbide

Fabrication of Functionally Graded Cemented Carbide

Mechanical and Machining Performance of Functionally Graded Cemented Carbide

Development of Cemented Carbide with Alternative Binder

Metal as Alternative Binder in Cemented Carbide

Intermetallic as Alternative Binder in Cemented Carbide

Ceramic as Alternative Binder in Cemented Carbide

High-Entropy Alloy as Alternative Binder in Cemented Carbide

Chapter 3

Recent Advances in the Synthesis of Tungsten Carbide Nanoparticles

Advanced Synthesis Methods

Gas-Phase Synthesis

Method of Thermal Decomposition and Recovery of Salts

Thermal Evaporation

Explosive Evaporation

Evaporation in an Inert Gas Flow (Levitation-Jet Method)

Electrical Explosion of the Conductor

Plasma Chemical Synthesis

Research and Application of Tungsten Carbide Materials

Biographical Sketch

Chapter 4

Advances in Research and Applications of Tungsten Carbides in Micro-EDM for Titanium Alloy

Methodology in Research

Taguchi Method

Experimental Conditions

Results, Analysis and Discussion

Experimental Results

Analysis of Variance for Quality Criterias in Micro-EDM

Analysis of Variance for Tool Wear Rate

Optimal Design for TWR

Analysis of Variance for Overcut

Optimization of Overcut

Analysis of Variance for Z Co-Ordinate

Optimization of Z Co-Ordinate

Surface Quality Analysis of Machined Hole [30]

Biographical Sketch.

Publications from the Last 3 Years

Chapter 5

A Numerical Study of the Cracking Behaviour of Coated Tungsten Carbide Cutting Tools during the Machining Process

Theoretical Study

Simulations and Results

Numerical Method

Mesh Study

Discussion

Study of Stress Intensity Factors

Comparison between Elastic and Plastic Substrates

The Influence of the Coating Stiffness

Disclaimer

Index

Blank Page.

Notes:

Description based on print version record.

Includes bibliographical references and index.

Other Format:

Print version: McMartin, William D. Tungsten Carbides: Advances in Research and Applications

ISBN:

979-88-911-3261-0