Modern manufacturing processes

Front Cover......Page 1
Modern Manufacturing Processes......Page 4
Copyright Page......Page 5
Contents......Page 6
List of contributors......Page 10
Preface......Page 14
1 Advances in Manufacturing Processes......Page 20
  1.1 Polymer matrix composites......Page 22
  1.2 Processing methods......Page 24
  1.3 Molding techniques......Page 25
  1.4 Hand lay-up process......Page 26
  1.5 Resin transfer molding process......Page 27
  1.6 Compression molding......Page 28
  1.8 Vacuum enhanced resin transfer molding technology......Page 29
  References......Page 31
  2.1 Introduction......Page 32
   2.2.1 Definition and properties......Page 33
   2.2.2 Methods of computing fractal dimension......Page 36
    2.2.2.1 Box counting method......Page 38
    2.2.2.2 Fractal Brownian motion......Page 39
    2.2.2.3 Variogram method......Page 40
    2.2.2.4 Power spectrum......Page 42
   2.3.1 Fractal analyses in thin films......Page 43
   2.3.2 Fractal analyses in laser manufacturing......Page 48
   2.3.3 Fractal analyses in machining......Page 50
   2.3.4 Fractal analyses in friction stir......Page 51
  Acknowledgment......Page 53
  References......Page 54
2 Application in Modern Manufacturing Processes......Page 60
  3.1 Introduction......Page 62
  3.2 USW process......Page 63
   3.3.1 Lateral drive spot welding system......Page 64
   3.3.2 Wedge-reed spot welding system......Page 65
  3.4 General process parameters......Page 66
   3.5.1 Tensile and T-peel strength results......Page 68
   3.5.2 Microhardness......Page 69
   3.5.3 Fracture surface morphology......Page 71
   3.6.1 Optical microscopy of weld cross-section......Page 72
   3.6.3 Energy-dispersive X-ray spectroscopy analysis......Page 75
   3.6.4 X-ray diffraction analysis......Page 78
   3.6.5 Electron backscatter diffraction analysis......Page 79
  3.7 Conclusions......Page 83
  References......Page 86
  4.1 Introduction......Page 88
   4.1.1 Application of coconut shell as concrete reinforcement, aggregate, and as filler......Page 89
  4.2 Application of coconut shell ash as activated carbon or as charcoal......Page 91
  4.3 Application of coconut shell particle as water purification and heavy metals removal......Page 93
  4.4 Application of coconut shell in metal, polymer, and ceramic matrix composites......Page 95
   4.5.1 Materials collection and preparation......Page 99
   4.5.2 Methodology of friction stir processing......Page 101
   4.6.2 Mechanical properties: tensile analysis......Page 102
   4.6.3 Surface integrity evaluation......Page 103
   4.7.1 Mechanical properties: tensile behavior......Page 104
   4.7.3 Structural evaluation analysis: X-ray diffraction results......Page 108
  References......Page 112
  5.1 Introduction......Page 116
  5.2 Material and experimental details......Page 119
  5.3 Microstructure examination and fractography......Page 120
  5.4 Constitutive models......Page 125
  5.5 Constitutive model (m-FB) modified Fields–Backofen......Page 126
  5.6 Constitutive model (KHL) Khan–Huang–Liang......Page 130
  5.7 Johnson–Cook (JC) model......Page 135
  5.8 Constitutive equation (m-Arr.) type......Page 136
  5.10 Constrained optimization......Page 138
  5.11 Result and discussion......Page 139
  References......Page 146
  6.1 Introduction......Page 150
  6.2 Grey-based Taguchi method......Page 152
  6.3 Experimental work......Page 154
  6.4 Parametric analysis......Page 156
  6.5 Multiobjective optimization......Page 159
  6.6 Conclusion......Page 161
  References......Page 162
  7.1 Microforming......Page 164
   7.2.1 Limiting dome height test—specimen......Page 166
   7.2.3 Surface strain measurement......Page 167
   7.2.4 Forming limit diagrams......Page 168
   7.2.5 Effect of rolling direction on forming limit curve......Page 170
   7.2.6 Effect of foil thickness on forming limit curve......Page 171
  References......Page 173
  8.1 Introduction......Page 176
   8.2.2 Experimental plan......Page 178
   8.2.3 Experimental setup......Page 180
  8.3 Results and discussion......Page 181
  8.4 Analysis of variance and regression equation......Page 183
  8.5 Conclusions......Page 184
  References......Page 185
  9.1 Numerical control of machine tools......Page 186
  9.2 Integrating CNC and automation......Page 187
  9.3 Flow of commands for 5-axis machine......Page 188
  9.4 CNC programming validation......Page 189
   9.5.1 Complex tool path programing in multiaxis machining centers......Page 193
  References......Page 194
3 Sustainability in Modern Manufacturing Processes......Page 196
  10.1 Introduction......Page 198
  10.2 Sachet water in Ghana......Page 200
  10.3 Challenges of water PE-packaging......Page 201
   10.4.1 Recycling legislation......Page 205
   10.4.2 Recyclates......Page 208
   10.4.3 Recycling processes......Page 210
   10.4.4 Method of sachet-water waste recycling......Page 213
   10.4.5 Cost-benefit analysis of recycling......Page 214
  10.5 The way forward......Page 216
  References......Page 219
  11.1 Introduction......Page 224
   11.2.1 Metrics......Page 226
   11.2.2 Evaluation of manufacturing system performance......Page 228
  11.3 Manufacturing process......Page 231
   11.3.1 Measures taken in manufacturing process......Page 233
  11.4 Survivability of a communication network......Page 234
  11.5 Challenges in sustainable development......Page 236
  References......Page 237
Index......Page 240
Back Cover......Page 249