Surface Engineering of Modern Materials (eBook)

Preface 6
Contents 8
Friction Stir Processing: An Emerging Surface Engineering Technique 9
1 Introduction 10
2 Thermal Spray Processes 12
2.1 Classification of Thermal Spray 13
2.2 Advantages and Disadvantages of the Thermal Spray Process 17
3 Solid-State Coating Process 19
3.1 Friction Stir Process 19
4 Summary 35
References 35
Development and Surface Engineering of TiNi Shape Memory Alloy 40
1 Introduction 40
2 Experimental Details 42
2.1 Vacuum Arc Melting 42
2.2 Materials 44
2.3 Rolling 44
2.4 Wire Electric Discharge Machining 44
2.5 Testing and Measurement 47
3 Results and Discussion 48
3.1 Effect of Rolling 48
3.2 Results of Tensile Testing 51
3.3 SEM Analysis 52
3.4 Microhardness Analysis 52
4 Conclusions 58
References 58
Wear of Rubbers and Its Control in Conveyer Belt System 60
1 Introduction 60
2 Wear and Friciton: Tribology 61
2.1 Wear 62
3 Ore Handling 63
3.1 Conveyor Belt System 64
3.2 Conveyor Belt 64
3.3 Pulley 66
4 Lining Materials 67
4.1 Rubber 67
4.2 Ceramic 68
4.3 Ceramic-Rubber Lagging 69
5 ASTM G65 Test 69
6 Previous Studies 72
7 Experimental Procedure 74
8 Results and Discussion 78
9 Conclusions 82
References 83
Surface Characteristics When Solid State Welding of Aluminium Alloys to Magnesium Alloys 87
1 Introduction 88
1.1 Background of Dissimilar Materials 88
1.2 Current Research Status 89
1.3 Need for Dissimilar Joints 90
1.4 Al/Mg Alloy Applications and Issues in Their Joining 91
2 Solid State Welding 92
2.1 Friction Welding 92
2.2 Friction Stir Welding 97
2.3 Diffusion Bonding 101
2.4 Fusion Welding 102
3 Summary 104
References 105
Analytical Modelling for Laser Heating for Materials Processing and Surface Engineering 108
1 Introduction 109
2 Fundamental of Laser Surface Processing 109
2.1 Propagation of Irradiation Properties in Materials 109
2.2 Energy Propagation and Absorption Mechanism in Laser Irradiation 110
2.3 Heat Transfer Modelling in Moving Laser Source 111
3 Mathematical Modelling of Moving Laser Source 113
3.1 DPL Heat Conduction Model 114
3.2 Problem Formulation 115
3.3 Analytical Solution of Present Governing Differential Equation 118
4 Results and Discussion 121
5 Conclusion 126
References 126
Surface Roughness and Morphology Studies on Machining Hybrid Composite Material Using Abrasive Water Jet Cutting Process 129
1 Introduction 130
2 Materials and Method 131
2.1 Development of Composite 131
2.2 Abrasive Water Jet Cutting of Composites 136
3 Results and Discussion 139
3.1 Results on MRR with Respect to Input Process Parameters 142
3.2 Results on Input Process Parameters and Surface Quality 145
3.3 Surface Morphology During AWJ Machining in Hybrid Fibre Filler Composite 147
4 Conclusions 149
References 152
Surface Engineering of Tungsten Carbide Tool Material by Nano and Microcrystalline Diamond Coatings 153
1 Introduction 154
2 Materials and Methods 155
2.1 Chemical Etching Process 155
2.2 Hot Filament Chemical Vapor Deposition Process 156
3 Surface Characterizations Techniques 158
3.1 XRD Patterns of MCD and NCD Coatings 159
3.2 Raman Spectroscopy of MCD and NCD Coatings 159
3.3 Topography of the Surface of MCD and NCD Coatings 160
3.4 Nano-Indentation and Hardness Measurement 163
4 Summary 165
References 166
Index 168