Page 8 - Plastics Engineering

Contents vii

3.3 Types of Matrix 170
3.4 Forms of Fibre Reinforcement in Composites 171
3.5 Analysis of Continuous Fibre Composites 172
3.6 Deformation Behaviour of a Single Ply or Lamina 182
3.7 Summary of Approach to Analysis of Unidirectional
Composites 188
3.8 General Deformation Behaviour of a Single Ply 195
3.9 Deformation Behaviour of Laminates 202
3.10 Summary of Steps to Predict Stiffness of Symmetric
Laminates 206
3.11 General Deformation Behaviour of Laminates 208
3.12 Analysis of Multi-layer Isotropic Materials 218
3.13 Analysis of Non-symmetric Laminates 223
3.14 Analysis of Short Fibre Composites 226
3.15 Creep Behaviour of Fibre Reinforced Plastics 232
3.16 Strength of Fibre Composites 232
3.16.1 Strength of Single Plies 234
3.16.2 Strength of Laminates 236
3.17 Fatigue Behaviour of Reinforced Plastics 238
3.18 Impact Behaviour of Reinforced Plastics 240

Chapter 4 - Processing of Plastics 245
4.1 Introduction 245
4.2 Extrusion 246
4.2.1 General Features of Single Screw Extrusion 246
4.2.2 Mechanism of Flow 25 1
4.2.3 Analysis of Flow in Extruder 252
4.2.4 ExtruderDie Characteristics 257
4.2.5 Other Die Geometries 259
4.2.6 General Features of Twin Screw Extruders 262
4.2.7 Processing Methods Based on the Extruder 264
4.3 Injection Moulding 278
4.3.1 Introduction 278
4.3.2 Details of the Process 279
4.3.3 Moulds 285
4.3.4 Structural Foam Injection Moulding 297
4.3.5 Sandwich Moulding 298
4.3.6 Gas Injection Moulding 299
4.3.7 Shear Controlled Orientation in Injection Moulding
(SCORIM) 30 1
4.3.8 Reaction Injection Moulding 302