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Table of Contents
Intro
Preface
Contents
The Editors
Design and Investigation of a Thermoelastic Actuator with Tailored Unidirectional Thermal Expansion and Stiffness using Mechanical Metamaterials and Joule Heating Activation
1 Introduction
2 Design of the Thermoelastic Actuator Cell
2.1 Negative Thermal Expansion Mechanism of the Actuator Cell
2.2 Design Objectives and Parametrization of the Geometry of the Actuator Cell
2.3 Joule Heating Activation
3 Investigation of the CTE and the Stiffness of the Actuator Cell
3.1 Influence of the Edge Length a and the Overall Thickness t1,2
3.2 Influence of the Double Cone Shape of the Legs
3.3 Comparison of Actuator Cells with Tapered and Non-Tapered Legs
3.4 Influence of the Thickening of the Middle Strut on the CTE
4 Investigation of the Transient Thermal Expansion Applying Joule Heating Activation
5 Conclusion
References
Additive Manufacturing of Continuous Fiber-Reinforced Composites
1 Introduction
2 Continuous Fiber Reinforcement in 3D Printing
2.1 3D Printing Systems
2.2 Toolpath Generation
2.3 Component Design
3 Design of the 3D Printing System
3.1 3D Printing Head
3.2 3D Printing System Control and Toolpath Generation
3.3 Printing Results
4 Load-Optimized Component Design
4.1 Design Strategy for Load-Optimized Component Design
4.2 Current Results
5 Summary and Outlook
References
Insect Wing Inspired Design and Manufacturing of Multifunctional Automotive Applications Using Stereolithography and Subsequent Short Carbon Fiber Reinforcement
1 Background and Motivation
1.1 Multifunctional Insect Wing
1.2 Goal
2 Topology Optimization and Design
3 Manufacturing Technology
4 Results
4.1 Mechanical Properties
4.2 Electrical Conductivity
4.3 Crack Stop Function
5 Conclusion and Outlook
References
Comparison of Different Material Systems for Filament Winding Based on the Split-Disk Experiment and Setup of a Digital Twin
1 State of the Art and Motivation
2 Bobbin Infusion Process and TPreg""472 Material
3 Specimen Geometry and Material Analysis
4 Split-Disk-Experiment and Digital Twin
4.1 Experimental Setup
4.2 Digital Twin
4.3 Results
5 Conclusion and Outlook
References
Digital Approaches for Optimization of Composite Processing: Bayesian Optimization for Impregnation and Fibre Spreading In-Situ Monitoring
Abstract.
1 Introduction
2 Experimental
2.1 Materials
2.2 Methods
3 Results and Discussion
3.1 Part A: Bayesian Optimization for Towpreg Processing
3.2 Part B: In-Situ Monitoring for Fibre Spreading
4 Conclusion
4.1 Part A: Bayesian Optimization for Towpreg Processing
4.2 Part B: In-Situ Monitoring for Fibre Spreading
References
Preface
Contents
The Editors
Design and Investigation of a Thermoelastic Actuator with Tailored Unidirectional Thermal Expansion and Stiffness using Mechanical Metamaterials and Joule Heating Activation
1 Introduction
2 Design of the Thermoelastic Actuator Cell
2.1 Negative Thermal Expansion Mechanism of the Actuator Cell
2.2 Design Objectives and Parametrization of the Geometry of the Actuator Cell
2.3 Joule Heating Activation
3 Investigation of the CTE and the Stiffness of the Actuator Cell
3.1 Influence of the Edge Length a and the Overall Thickness t1,2
3.2 Influence of the Double Cone Shape of the Legs
3.3 Comparison of Actuator Cells with Tapered and Non-Tapered Legs
3.4 Influence of the Thickening of the Middle Strut on the CTE
4 Investigation of the Transient Thermal Expansion Applying Joule Heating Activation
5 Conclusion
References
Additive Manufacturing of Continuous Fiber-Reinforced Composites
1 Introduction
2 Continuous Fiber Reinforcement in 3D Printing
2.1 3D Printing Systems
2.2 Toolpath Generation
2.3 Component Design
3 Design of the 3D Printing System
3.1 3D Printing Head
3.2 3D Printing System Control and Toolpath Generation
3.3 Printing Results
4 Load-Optimized Component Design
4.1 Design Strategy for Load-Optimized Component Design
4.2 Current Results
5 Summary and Outlook
References
Insect Wing Inspired Design and Manufacturing of Multifunctional Automotive Applications Using Stereolithography and Subsequent Short Carbon Fiber Reinforcement
1 Background and Motivation
1.1 Multifunctional Insect Wing
1.2 Goal
2 Topology Optimization and Design
3 Manufacturing Technology
4 Results
4.1 Mechanical Properties
4.2 Electrical Conductivity
4.3 Crack Stop Function
5 Conclusion and Outlook
References
Comparison of Different Material Systems for Filament Winding Based on the Split-Disk Experiment and Setup of a Digital Twin
1 State of the Art and Motivation
2 Bobbin Infusion Process and TPreg""472 Material
3 Specimen Geometry and Material Analysis
4 Split-Disk-Experiment and Digital Twin
4.1 Experimental Setup
4.2 Digital Twin
4.3 Results
5 Conclusion and Outlook
References
Digital Approaches for Optimization of Composite Processing: Bayesian Optimization for Impregnation and Fibre Spreading In-Situ Monitoring
Abstract.
1 Introduction
2 Experimental
2.1 Materials
2.2 Methods
3 Results and Discussion
3.1 Part A: Bayesian Optimization for Towpreg Processing
3.2 Part B: In-Situ Monitoring for Fibre Spreading
4 Conclusion
4.1 Part A: Bayesian Optimization for Towpreg Processing
4.2 Part B: In-Situ Monitoring for Fibre Spreading
References