[...]... Compression moulding 6.3.6 Reinforced reaction injection moulding ( R R I M ) 6.3.7 Reinforced thermoplastics 6.4 The mechanics of fibre reinforcement 6.4.1 Continuousfibres 6.4.2 Discontinuous fibres 6.5 Reinforced rubbers Problems Notes 7 8 Forming 7.1 Introduction 7.2 The flow properties of polymer melts 7.2.1 Bulk deformation 7.2.2 Elongational~ow 7.2.3 Shear flow 7.3 Extrusion 7.3.1 Extruder barrel 7.3.2... gate 7.4.3 Control of pressure, temperature, and time 7.4.4 Thermosets 7.4.5 Reaction injection moulding ( R I M ) 7.5 Thermoforming 7.6 Blow moulding 7.7 Compression and transfer moulding 7.7.1 Compression moulding 7.7.2 Transfer moulding Problems Notes Design 8.1 Introduction 8.2 Materials selection 8.2.1 The selection procedure 8.2.2 The 'big four' commodity thermoplastics 8.2.3 The engineering thermoplastics... 8.2.3 The engineering thermoplastics 8.2.4 Thermosets and composites 8.2.5 Rubbers xi xii Contents 8.3 Designing for manufacture 8.3.1 Injection moulding 8.3.2 Joining and fbstening 8.3.3 Thermosetting polymers 8.4 Designing for stiffness 8.4.1 PIastics 8.4.2 Fibre composites 8.4.3 Rubbers 8.5 Designing for strength 8.6 Case histories 8.6.1 Optical memory devices (compact discs) 8.6.2 Motorcycle drive . past 0.2. Engineering plastics 1. Structure of the molecule 1.1. Introduction 1.2. Addition polymers 1.3. Condensation polymers 1.4. Copolymers 1.5. Cross-linked polymers 1.6 model of the flow of solids 5.2.3. Yielding under multiaxial stresses 5.3. Crazing 5.4. Fracture mechanics 5.4.1. Measurement and application of KIc 5.5. Fracture properties of polymers. tendency to form crystals 1.7. Distribution of relative molecular mass Problems Notes Structure of polymeric solids 2.1. Introduction 2.2. Structure of the crystal 2.3. Crystal shape 2.4.