Design and Analysis of Structural Joints with Composite Materials

  • ID: 2497306
  • Book
  • 464 Pages
  • DEStech Publications, Inc
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Starting from the facts that metal and composite material joining strategies differ and laminate, stacking and other features are unique to joints made from composites, this book presents a complete and comprehensive set of design and analysis equations, as well as technical steps, to enable engineers and technicians to design and fabricate effective structural joints from composite materials in multiple configurations. Techniques and data in this text provide the tools necessary to connect, attach and assemble composite parts and products in aviation, aerospace, automotive, infrastructure and recreation. The book covers test methods, stress and damage analysis and ways to improve composite joining systems. Additional features include strategies for troubleshooting drawn from field-based case studies.

Features

- Critical knowledge for designing and fabricating joints from composites
- Covers mechanical fasteners, adhesives, welding, clamping and more
- Applied theory for composite design and part-to-part assembly
- Includes design equations, data tables, test methods, and troubleshooting tips
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Preface

1. Introduction
1.1. Definition of Composite Materials
1.2. Why the Joining of Composite Materials is Unique
1.3. Principles of Joint Technology
1.4. Types of Joining Methods
1.5. Advantages and Disadvantages of Different Joining Methods in Composites
1.6. Joint Configurations
1.7. Fundamentals of Material Property Stress Analysis
1.8. Structural Applications and Design Requirements
1.9. Questions and Issues from Practicing Technologists

2. Materials and Properties
2.1. Introduction
2.2. Composites and Metals
2.3. Adhesive Mechanical Properties
2.4. Thermoplastic Weldment
2.5. Mechanical Fasteners
2.6. Questions and Issues from Practicing Technologists
2.7. References

3. Fundamentals of Composite Mechanics
3.1. Introduction
3.2. Specific Structural Behavioral Characteristics
3.3. Laminate Property Development
3.4. The Key Unique Aspects of Composite Materials in Joints
3.5. Failure Criterion and Laminate Strength Estimation
3.6. Hygrothermal Behavior
3.7. Questions and Issues from Practicing Technologists
3.8. Bibliography and References

4. Structural Joint Design Requirements
4.1. Introduction
4.2. The QFD Approach
4.3. What the Customer Wants
4.4. How the Customer's 'Wants' Rank Against Each Other
4.5. What is Currently Done in Joint Design
4.6. The Basic Engineering Requirements
4.7. Evaluating Engineering Specifications
4.8. Setting Engineering Targets
4.9. Problem Understanding Form
4.10. Case Study
4.11. Questions and Issues from Practicing Technologists
4.12. Reference

5. Adhesively Bonded Joints
5.1. Introduction
5.2. Failure Modes
5.3. Double-lap Joint
5.4. Single-lap Joint
5.5. Scarf Joint
5.6. Stepped-lap Joint
5.7. In-plane Shear Joint (Edgewise Loading)
5.8. Design Equation Summary and Guidelines
5.9. Fabrication
5.10. Operational Issues
5.11. Quality Control and Quality Assurance
5.12. NDI
5.13. Repairability
5.14. Creep and Relaxation
5.15. Damage Tolerance
5.16. Questions and Issues from Practicing Technologists
5.17. References and Bibliography

6. Mechanically Fastened Joints
6.1. Introduction
6.2. Failure Modes
6.3. Single Fastener Analysis
6.4. Analysis of a Single Fastener Flow
6.5. Multiple Rows of Fasteners
6.6. Staggered Bolt Patterns
6.7. Lug Joints
6.8. Eccentric In-plane Shear Joints
6.9. Tension Joints
6.10. Bolts Under Combined Shear and Tension Loads
6.11. Fabrication
6.12. Operational Issues
6.13. Fatigue of Fastener and Composite Structure
6.14. Questions and Issues from Practicing Technologists
6.15. References and Bibliography

7. Welded Joints
7.1. Introduction
7.2. Methods of Plastic (Composite) Welding
7.3. Terminology
7.4. Butt Weld Static Analysis
7.5. Fillet Weld Static Analysis
7.6. Faying Surface Welding Analysis
7.7. Questions and Issues from Practicing Technologists
7.8. References and Bibliography

8. Other Joining Methods
8.1. Introduction
8.2. Friction Clamping
8.3. Snap Fittings
8.4. Bolted-bonded Joint
8.5. Trapped or Locked-in Joints
8.6. Questions and Issues from Practicing Technologists
8.7. References

Bibliography

Glossary

Index
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Dr. Rikard Heslehurst is a global authority and instructor on the subject of composites joining and an adjunct professor at the University of New South Wales.
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