Composite Technology : Prepregs and Monolithic Part Fabrication Technologies / / Hauke Lengsfeld, Javier Lacalle, Thomas Neumeyer, Volker Altstädt

• Autore: Lengsfeld Hauke
• Pubblicazione: München : , : Hanser, , 2021; ©2021
• Edizione: 2nd ed.
• Descrizione fisica: 1 online resource (271 pages)
• Disciplina: 620.1/18
• Soggetto topico: Fibrous composites; Polymeric composites; Reinforced plastics
• Altri autori: LacalleJavier NeumeyerThomas AltstädtVolker
• Nota di contenuto: Intro -- Contents -- Preface to the Second Edition -- Acknowledgments -- The Authors -- Abbreviations and Important Terms -- 1 Introduction -- Felipe Wolff-Fabris and Hauke Lengsfeld -- 1.1 Materials -- 1.2 Continuous Fiber Reinforced Plastics -- 1.2.1 Property Profile -- 1.2.2 Manufacturing -- 1.2.3 Applications -- 1.3 References -- 2 Prepregs and Their Precursors -- Felipe Wolff-Fabris, Hauke Lengsfeld, and Johannes Krämer -- 2.1 Structure and Preparation -- 2.2 Matrix Systems -- 2.3 Fibers and Textiles -- 2.4 Prepreg Systems -- 2.4.1 2.4.1 Thermoset Prepregs -- 2.4.2 Thermoplastic Prepregs -- 2.5 References -- 2.6 Additional Information -- 3 Prepreg Technology -- Hauke Lengsfeld and Mike Turner -- 3.1 Historical Background -- 3.2 Introduction: Manufacturing Methods -- 3.2.1 Design of a Prepreg Production Line -- 3.2.2 Thermoset Prepreg Manufacturing Methods -- 3.2.2.1 Hot Melt Processes -- 3.2.2.2 Solvent Coating/Solvent Dip Method for Thermoset Prepregs -- 3.2.3 Thermoplastic Prepreg Manufacturing Methods -- 3.2.3.1 Powder Coating Process -- 3.2.3.2 Extrusion Process -- 3.2.3.3 Solvent Coating/Solvent Dip Method for Thermoplastic Prepregs -- 3.2.4 Prepreg Variations -- 3.2.4.1 Slit Tape -- 3.2.4.2 Towpregs -- 3.2.5 Effect of Manufacturing Parameters -- 3.2.5.1 Matrix Content -- 3.2.5.2 Level of Impregnation -- 3.2.5.3 Tack (Tackiness) -- 3.3 References -- 4 Prepregs: Processing Technology -- Hauke Lengsfeld, Javier Lacalle, and Thomas Neumeyer -- 4.1 Introduction -- 4.2 Cutting of Thermoset Prepregs -- 4.2.1 Manual Cutting -- 4.2.2 Automated Cutting -- 4.3 Hand Lay-up of Thermoset Prepregs -- 4.4 Automated Lay-up Technologies: Automated Tape Laying (ATL) and Automated Fiber Placement (AFP) -- 4.4.1 Introduction -- 4.4.1.1 Goal of Automated Lay-up Processes -- 4.4.1.2 Principle Process Steps of Automated Lay-up Technologies. ; 4.4.1.3 Prepregs for Automated Lay-up Processes -- 4.4.1.4 Machine Architecture -- 4.4.2 Automatic Tape Laying (ATL) -- 4.4.2.1 Introduction -- 4.4.2.2 Thermoset Prepreg Materials for ATL -- 4.4.2.3 General Principle of ATL Processes -- 4.4.2.4 ATL Technology and Major Subsystems -- 4.4.2.5 Selection of Machine Configuration for ATL Processes -- 4.4.3 Automatic Fiber Placement (AFP) -- 4.4.3.1 Introduction -- 4.4.3.2 Prepreg Materials for AFP -- 4.4.3.3 General Principle of AFP Processes -- 4.4.3.4 AFP Technology and Configuration -- 4.4.3.5 Criteria to Select an AFP Configuration -- 4.4.4 Productivity and Cost Effectiveness of Lay-up Processes -- 4.4.4.1 Lay-up and Floor-to-Floor Productivity -- 4.4.4.2 Characterization of the Machine Performance -- 4.4.4.3 Cost Effectiveness of Automated Lay-up Processes -- 4.4.5 Production of Molded Parts on the Basis of Thermoplastic UD-Tapes -- 4.4.5.1 2D Lay-ups Based on UD Tapes as Semi-Finished Products -- 4.4.5.2 Process Technologies for the Production of Lay-ups Based on UD Tapes -- 4.5 Pultrusion -- 4.6 Hot Drape Forming -- 4.7 Same-Qualified-Resin-Transfer-Molding Processes (SQRTM) -- 4.8 References -- 4.9 Additional Information -- 5 Curing and Consolidation Technologies -- Felipe Wolff-Fabris, Hauke Lengsfeld, and Thomas Neumeyer -- 5.1 Fundamentals of the Curing Cycle -- 5.2 Autoclave Processing -- 5.3 Oven Curing -- 5.4 QuickstepTM Technology -- 5.5 Press Molding/Forming Processes -- 5.5.1 Press Molding Processes for the Production of Thermoset Components -- 5.5.2 Press Molding Processes for the Production of Thermoplastic Components -- 5.5.2.1 Pre-Consolidation Processes -- 5.5.2.2 Thermoforming of Consolidated Tape Layers -- 5.5.2.3 Profile Production from Thermoplastic UD Tapes -- 5.6 Induction Processes -- 5.7 Microwave Curing -- 5.8 Electron Beam Curing -- 5.9 References -- 6 Tooling Technology. ; Hauke Lengsfeld and Hilmar Apmann -- 6.1 Requirements -- 6.2 Tooling Materials -- 6.2.1 Metals -- 6.2.2 Fiber Composite Materials GFRP/CFRP -- 6.2.3 Other Materials -- 6.3 Manufacture of Tools -- 6.3.1 Direct Manufacturing of Forming Tools -- 6.3.2 Indirect Manufacturing of Forming Tools -- 6.4 Tooling Concepts and Examples -- 6.4.1 Hot Forming Tools -- 6.4.2 Curing Molds -- 6.4.2.1 Open Mold Curing Tools -- 6.4.2.2 Closed Mold Curing Tools -- 6.4.3 Release Agents and Cleaning -- 6.5 Additional Information -- 7 Testing of Prepregs -- Johannes Krämer and Hauke Lengsfeld -- 7.1 Characterization of the Unprocessed Prepreg -- 7.1.1 Prepreg Areal Weight, Resin Content, and Fiber Areal Weight -- 7.1.2 Resin Flow -- 7.1.3 Tack -- 7.1.4 Drapability -- 7.1.5 Volatiles -- 7.1.6 Viscosity -- 7.1.7 Water Pickup Test (WPU Test) -- 7.1.8 Microscopy Cut Edge Test -- 7.1.9 Tensile Test on Thermoplastic UD Tapes (Single-Ply Test) -- 7.2 Characterization of the Cured/Processed Prepreg -- 7.2.1 Fiber Volume Content -- 7.2.2 Determination of Glass Transition Temperature -- 7.2.3 Cured Ply Thickness (CPT) -- 7.3 References -- 8 Design and Production -- Hauke Lengsfeld -- 8.1 Design Concepts -- 8.1.1 Positive/Negative Design -- 8.1.2 Integral/Differential Design -- 8.1.3 Open Mold Concepts -- 8.2 Determining Factors and Interactions -- 8.2.1 Determining Factors during Component Manufacturing -- 8.2.2 Interrelations during Component Manufacturing -- 8.3 References -- 9 Conclusion -- Index -- Leere Seite.
• Sommario/riassunto: Covers the fundamentals of prepreg preparation and starting materials; processing technology and automation; interactions between construction/design and material and between tooling material and composite components/design; testing of prepreg semi-finished products and components; and typical error patterns.
• Titolo autorizzato: Composite Technology
• ISBN: 9781523145034; 152314503X; 9781569908266; 1569908265
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9911007097403321
• Lo trovi qui: Univ. Federico II