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Format: 1 online resource (370 pages)

ISBN: 3-031-11589-9

Series Statement: Advanced structured materials ; Volume 153

Note: Intro -- Preface -- Contents -- Part I Overview Lectures -- 1 Composite Mechanics -- 1.1 Preliminary Remarks -- 1.2 Definitions, Classifications and Applications -- 1.3 Laminated Plates -- 1.3.1 Description of Material Behaviour -- 1.3.2 Modelling Levels -- 1.3.3 Modelling Based on Volume and Mass Fraction -- 1.3.4 Combination of Both Approaches -- 1.3.5 Elementary Mixture Rules -- 1.3.6 Effective Properties of a Single Layer -- 1.3.7 Improved Formulas for Effective Moduli -- 1.4 Particle-Reinforced Composites -- 1.4.1 Short-fibre-Reinforced Plastics -- 1.4.2 Spherical Inhomogeneity with Interphase -- 1.5 Functionally Graded Materials -- 1.6 Anti-Sandwich and Nanomaterials -- 1.7 Summary and Outlook -- References -- 2 Aspects in the Modelling of Heterogeneous Thermo-Oxidative Ageing Using the Example of a Rubber Buffer -- 2.1 Introduction -- 2.2 Chemo-Thermo-Mechanical Simulation of a Rubber Buffer -- 2.2.1 Overview of the Quantities and Equations of the Material Model -- 2.2.2 Results and Discussion -- 2.3 Experimental Investigation on Self-heating in Connection with Ageing of a Rubber Buffer -- 2.4 Conclusion -- References -- 3 Digital Product Development by Additive Manufacturing -- 3.1 Introduction -- 3.2 AM-Process Within Digital Product Development and Manufacturing -- References -- 4 Theory of Three-Dimensional Plasticity -- 4.1 Comments on the Stress Matrix -- 4.2 Graphical Representation of Yield Conditions -- 4.3 Yield Conditions -- 4.3.1 Mises Yield Condition -- 4.3.2 Tresca Yield Condition -- 4.3.3 Drucker-Prager Yield Condition -- 4.4 Flow Rule -- 4.5 Hardening Rule -- 4.5.1 Isotropic Hardening -- 4.5.2 Kinematic Hardening -- References -- Part II Specialized Lectures -- 5 Influence of Silicon Content on the Mechanical Properties of Additively Manufactured Al-Si Alloys -- 5.1 Introduction -- 5.2 Experimental Methods. , 5.2.1 Sample Preparation -- 5.2.2 Chemical Analysis -- 5.2.3 Flowability -- 5.2.4 Particle Size Distribution -- 5.2.5 Hardness -- 5.2.6 Tensile Tests -- 5.3 Results and Discussion -- 5.3.1 Chemical Analysis -- 5.3.2 Flowability -- 5.3.3 Particle Size Distribution -- 5.3.4 Hardness -- 5.3.5 Tensile Properties -- 5.4 Conclusions -- References -- 6 Multi-step Additive Manufacturing Technologies Utilizing the Powder Metallurgical Manufacturing Route -- 6.1 Introduction -- 6.2 Metal Additive Manufacturing -- 6.2.1 Single-Step AM Technologies -- 6.2.2 Multi-step AM Technologies -- 6.3 Summary -- References -- 7 A Strategy to Extend the Limits of Unsupported Printing in Laser Powder Bed Fusion by Optimized Process Parameters Selection -- 7.1 Introduction and Motivation -- 7.2 Laser Powder Bed Fusion Process -- 7.3 Support Structure -- 7.4 Methods for Minimizing Support Structure -- 7.5 Selecting Process Parameters in LPBF -- 7.5.1 State-of-the-Art Parameter Selection -- 7.5.2 Parameter-Based Strategy to Minimize Support -- 7.6 Conclusion -- References -- 8 Influence of Relative Humidity on Thermal Properties of Tool Steel Powder -- 8.1 Introduction -- 8.2 Methodology -- 8.3 Experimental Setup -- 8.4 Results -- 8.5 Discussion -- 8.6 Conclusion -- References -- 9 An Overview on the 3D Printing of Elastomers and the Influence of Printing Parameters on Their Mechanical Properties -- 9.1 Introduction -- 9.2 Overview on Additive Manufacturing -- 9.2.1 Definition and Technologies -- 9.2.2 Elastomers in 3D Printing -- 9.2.3 FFF with Elastic Materials -- 9.3 Applied Case on FFF with a TPU Filament -- 9.3.1 Experimental Procedure -- 9.3.2 Results and Discussion -- 9.4 Conclusions -- References -- 10 Effects of Reusing Polyamide 12 Powder on the Mechanical Properties of Additively Manufactured Parts -- 10.1 Introduction -- 10.2 Methodology. , 10.3 Results and Discussion -- 10.4 Conclusion -- References -- 11 On the Influence of Perimeter, Infill-Direction and Geometry on the Tensile Properties of Test Specimen Manufactured by Fused Filament Fabrication -- 11.1 Introduction -- 11.2 Research Focus -- 11.3 Experimental Setup and Results -- 11.4 Discussion of Tensile Test Results -- 11.5 Conclusion -- References -- 12 Design of a Room-in-Room Laboratory Environment for the SLS Printing Process -- 12.1 Motivation -- 12.2 Mechanical Design of the Cabin -- 12.2.1 Design Structure -- 12.2.2 Structural Mechanics of the Cabin -- 12.3 Thermal Concept -- 12.4 Extraction System -- 12.5 Summary -- References -- 13 Chemical-Mechanical Characterization of Unaged and Aged Additively Manufactured Elastomers -- 13.1 Introduction -- 13.2 Material -- 13.3 Methods -- 13.4 Results and Discussion -- 13.4.1 Material Identification and Curing Process -- 13.4.2 Aging Effects -- 13.5 Conclusions -- References -- 14 Microstructure and Properties of the Fusion Zone in Steel-Cast Iron Composite Castings -- 14.1 Introduction -- 14.2 Experimental Details -- 14.2.1 Composite Casting -- 14.2.2 Microstructure Observation -- 14.2.3 Hardness Measurement -- 14.3 Results -- 14.3.1 Graphite Morphology -- 14.3.2 Etched Microstructure -- 14.3.3 Hardness -- 14.4 Discussion -- 14.5 Conclusion -- References -- 15 Kinetics for Strain-Induced Crystallisation Analysed via Cyclic Loading Simulations -- 15.1 Introduction -- 15.2 Constitutive Model Using a Serial Connection of Amorphous, Non-crystallisable Amorphous and Crystalline Phase -- 15.2.1 Simulation Results: Loading with Various Maximum Stretch -- 15.2.2 Simulation Results: Loading with Different Stretch Rates -- 15.2.3 Simulation Results: Cyclic Loading Varying in Amplitude and Minimum Unloading Stretch -- 15.3 Conclusions and Outlook -- References. , 16 Long-Term Storage of Aged NBR in Kerosene in Consideration of Long Material Service Life -- 16.1 Introduction -- 16.2 Materials -- 16.3 Experiments and Methods -- 16.3.1 Elastomer Aging and Preparation -- 16.3.2 Mechanical Testing -- 16.3.3 Gas Chromatography/Mass Spectrometry -- 16.3.4 Sorption Experiments -- 16.4 Results and Discussion -- 16.4.1 Mechanical Properties After Aging -- 16.4.2 Concentration of Stabilizers and Plasticizers -- 16.4.3 Long-Term Sorption Behavior of Kerosene Jet A-1 in Aged NBR -- 16.5 Conclusion -- References -- 17 FT-IR Microscopic Analysis of the Chemical Change in the Molecular Structure After Ozone Ageing of Natural Rubber -- 17.1 Introduction -- 17.2 Experimental -- 17.2.1 Material -- 17.2.2 Artificial Ageing Strategy -- 17.2.3 Fourier Transform Infrared Spectroscopy Method -- 17.3 Results -- 17.3.1 Surface Spectra -- 17.3.2 Cross-Section Spectra -- 17.4 Discussion -- 17.5 Conclusion and Outlook -- References -- 18 Investigation of the Viscosity of Liquid Silicone Rubber for Molding Microstructures in the Injection Molding Process -- 18.1 Introduction -- 18.2 Material and Methods -- 18.2.1 Theoretical Approach -- 18.2.2 Experimental Part -- 18.3 Results and Discussion -- 18.3.1 Kinetic Model -- 18.3.2 Rheological Results -- 18.3.3 Dielectrical Results -- 18.3.4 Comparison of the Different Analysis Methods -- 18.3.5 Experimental Results -- 18.4 Conclusion and Outlook -- References -- 19 Investigation of Adhesion and Surface Treatments for Thermoplastic-Liquid Silicone Rubber Joints in Multicomponent Injection Molding -- 19.1 Introduction -- 19.2 Theoretical Background -- 19.2.1 Relevant Adhesion Theories for Thermoplastic-LSR Joints -- 19.2.2 Surface Treatment Methods -- 19.3 Materials and Methods -- 19.3.1 Materials -- 19.3.2 Methods -- 19.4 Results and Discussion -- 19.4.1 Surface Energy of Thermoplastics. , 19.4.2 Peel Forces of Thermoplastic-LSR Joints -- 19.4.3 Classification of Surface Treatments -- 19.5 Summary and Outlook -- References -- 20 Thermoforming: Identification of Process-Relevant Ranges for Strain, Strain Rate, Cooling Rate, and Degree of Crystallinity Through Preliminary Simulations -- 20.1 Introduction -- 20.1.1 Thermoforming Process -- 20.1.2 Crystallization During Thermoforming Process -- 20.2 Simplified Process Simulations -- 20.2.1 Simulation 1: Cooling -- 20.2.2 Simulation 2: Forming -- 20.3 Conclusions -- References -- 21 Examining Lateral Punch Force Effects During Hole Expansion Testing by Means of Numerical Simulations -- 21.1 Introduction -- 21.2 Modeling -- 21.2.1 Geometry -- 21.2.2 Boundary Conditions and Contact Interactions -- 21.2.3 Material Behavior -- 21.3 Results and Discussion -- 21.4 Conclusions -- References -- 22 CFD Analysis of Hot Gas Welding of 3D Weld Contours Using Two Different Nozzle Systems -- 22.1 The Hot Gas Welding Process -- 22.2 Theory of Impingement Flow -- 22.3 Structure of the CFD Simulation Model for 3D-Shaped Welds -- 22.4 Validation of the Simulation Model -- 22.4.1 Test Setup for Validation of the Simulation -- 22.4.2 Validation of the Simulated Shape of the Molten Polymer -- 22.4.3 Validation of the Simulated Transient Heating Behavior -- 22.5 Investigation of the Influence of 3D-Shaped Weld Contours -- 22.5.1 Simulation Results of Inclined Weld Contours -- 22.5.2 Simulation Results of Hybrid Weld Contours -- 22.6 Summary and Outlook -- References -- 23 Modeling the Inelastic Behavior of High-Temperature Steels Using a Two-Time-Scale Approach -- 23.1 Introduction -- 23.2 Constitutive Equations -- 23.2.1 Elasticity -- 23.2.2 Inelasticity -- 23.3 Two-Time-Scale Approach -- 23.4 Modeling Creep Behavior -- 23.5 Conclusion -- References.

Additional Edition: Print version: Altenbach, Holm Lectures Notes on Advanced Structured Materials Cham : Springer International Publishing AG,c2023 ISBN 9783031115882

Language: English