Trends in Materials Engineering (eBook)

Preface 6
Contents 7
About the Editors 9
2 Fracture Toughness of Symmetric and Asymmetric Layup GFRP Laminates by Experimental and Numerical Methods 22
2.1 Introduction 23
2.2 Stacking Sequence Variation 24
2.3 Layup Configuration 25
2.4 Experimental Setup 26
2.5 Numerical Background 26
2.5.1 Description of Numerical Model for DCB Specimen 26
2.5.2 Cohesive Zone Modeling 27
2.6 Result and Discussion 27
2.7 Conclusion 28
References 30
3 Optimization-Related Studies of EDMed Aluminum Metal Matrix Composites: A State-of-the-Art Review 32
3.1 Introduction 32
3.2 Parameters of Electrical Discharge Machining 34
3.3 Review on Experimental and Theoretical Studies of EDM 34
3.4 Review on Optimization Studies of EDM 35
3.5 Conclusion 38
References 39
4 Wear Characteristics of Untreated and Alkali-Treated Rice Husk–Epoxy Bio-composite 41
4.1 Introduction 41
4.2 Material Preparation 43
4.2.1 Materials 43
4.2.2 Alkali Treatment of Rice Husk 43
4.2.3 Preparation 43
4.2.4 Tribological Testing 44
4.2.5 Wear Rate Measurement 44
4.2.6 SEM Studies 45
4.3 Results and Discussion 45
4.4 Conclusions 46
References 48
5 Tribological Performances of Woven Carbon Fabric/Epoxy Composites Under Dry and Oil Lubrication Condition: An Experimental Investigation 50
5.1 Introduction 50
5.2 Experiment 52
5.2.1 Material Specification 52
5.2.2 Material Fabrication 52
5.2.3 Tribological Testing 53
5.3 Results and Discussion 53
5.3.1 Weight Loss and the Specific Wear Rate 53
5.3.2 The Friction Coefficient 54
5.3.3 FESEM Analysis 55
5.4 Conclusion 56
References 56
6 Effect of Stacking Sequence and Fiber Volume Fraction on the Static Mechanical Properties of Woven GFRP Composite 58
6.1 Introduction 58
6.2 Materials and Fabrication Method 59
6.3 Result and Discussion 61
6.3.1 Tensile Behavior of GFRP 61
6.3.2 Flexural Behavior of GFRP 62
6.4 Conclusion 64
References 64
7 Effect of Span-to-Depth Ratio on the Flexural Properties of Woven Neat Epoxy/Glass Fiber-Reinforced Polymer Symmetric Laminates 66
7.1 Introduction 66
7.2 Materials, Fabrication and Processes 68
7.3 Testing 69
7.4 Results and discussion 70
7.5 Conclusions 71
References 72
8 Dehumidification of Maize in Desiccant Dryer Using Thermal Imaging 73
8.1 Introduction 73
8.2 Desiccant Dehumidification System 74
8.3 Introduction to Thermal Imaging 75
8.3.1 Temperature Measurement by Thermal Imaging 75
8.4 Dehumidification of Maize Using Thermal Imaging 76
8.5 Result and Discussion 79
References 81
9 Influence of Oblique Impact on Glass Fiber-Reinforced Polymer Composites: A Numerical Approach 82
9.1 Introduction 82
9.2 Problem Description 83
9.3 Materials and Its Properties 84
9.4 Results and Discussion 85
9.4.1 Energy Absorption 85
9.4.2 Stress Generation 86
9.4.3 Damage Area 87
9.4.4 Deflection of the Laminate 88
9.5 Conclusion 90
References 91
10 Numerical Simulation of GFRP Laminate Under Low-Velocity Impact at Different Edge-Constrained Boundary Conditions 92
10.1 Introduction 92
10.2 Materials Used 94
10.3 Numerical Simulation 94
10.4 Results and Discussion 95
10.4.1 Constrained at One Edge 95
10.4.2 Constrained at Both Edges 95
10.5 Conclusion 97
References 99
11 [ZnX4]2? [R]2+ Hybrid Materials: Structural and Optical Studies 101
11.1 Introduction 101
11.2 Experimental Data 102
11.3 Discussion and Results 102
11.4 Conclusion 104
References 104
12 Effect of Filler Parameters on the Mechanical Properties of Wheat Husk Filled Polystyrene Composite 106
12.1 Introduction 107
12.2 Methodology 107
12.2.1 Materials 107
12.2.2 Composites Preparation 108
12.2.3 Mechanical Testing 108
12.3 Results and Discussion 109
12.3.1 Tensile Strength 109
12.3.2 Flexural Strength 110
12.3.3 Rockwell Hardness 110
12.3.4 Wear Rate 111
12.3.5 Conclusions 112
References 113
13 Investigation of Mechanical Properties of A6082-ZrO2-SiC Hybrid Composite by Stir and Squeeze Casting 114
13.1 Introduction 114
13.2 Experimental Details 115
13.2.1 Materials 115
13.2.2 Stir Casting 115
13.3 Result and Discussion 117
13.3.1 Microstructural Studies 117
13.3.2 SEM Microstructure 117
13.3.3 Hardness 118
13.3.4 Izod Test 119
13.3.5 Compression Test 119
13.4 Conclusions 121
References 121
14 Thermal Modeling of Beryllium Copper Alloy C-17200 for Electric Discharge Machining 122
14.1 Introduction 122
14.2 Literature Survey 123
14.3 Process Modeling and Theoretical Analysis 123
14.3.1 Assumptions 123
14.3.2 Governing Equation 124
14.3.3 Heat Flux and Spark Radius 124
14.4 Experimental Methodology 125
14.4.1 Electrode 125
14.5 Result and Discussion 125
14.6 Conclusion 131
References 131