Preface

 

PART I Accelerated Testing Methodology (ATM)

 

1 INTRODUCTION

 

2 VISCOELASTICITY

2.1 Introduction

2.2 Concept of Viscoelastic Behavior

2.3 Concept of Time-Temperature Superposition Principle

2.4 Master Curve of Creep Compliance of Matrix Resin

2.5 Generalization of TTSP for Nondestructive Deformation Properties to Static, Creep, and Fatigue Strengths of FRPs

2.6 Master Curve of Static Strength of FRP

2.7 Master Curve of Creep Strength of FRP

2.8 Master Curve of Fatigue Strength of FRP

2.9 Conclusion



3 MASTER CURVES OF VISCOELASTIC COEFFICIENTS OF MATRIX RESIN

3.1 Introduction

3.2 Master Curves of Creep Compliance Based on Modified TTSP

3.3 Simplified Determination of Long-Term Viscoelastic Behavior

3.4 Master Curve of Relaxation Modulus by DMA and Creep Tests

3.5 Conclusion



4 NONDESTRUCTIVE MECHANICAL PROPERTIES OF FRP

4.1 Introduction

4.2 Role of Mixture

4.3 Mechanical and Thermal Properties of Unidirectional CFRPs, Fibers and Matrix Resin

4.4 Master Curves of Creep Compliance of Matrix Resin

4.5 Conclusion

 

5 STATIC AND FATIGUE STRENGTHS OF FRP

5.1 Introduction

5.2 Experimental Procedures

5.3 Results and Discussion

5.4 Applicability of TTSP

5.5 Conclusion



6 APPLICATION 1 OF ATM: STATIC AND FATIGUE FLEXURAL STRENGTHS OF VARIOUS FRP LAMINATES UNDER WATER ABSORPTION CONDITION

6.1 Introduction

6.2 Specimen Preparation

6.3 Experimental Procedures

6.4 Creep Compliance

6.5 Flexural Static Strength

6.6 Flexural Fatigue Strength

6.7 Conclusion



7 APPLICATION 2 OF ATM: LIFE PREDICTION OF CFRP/METAL BOLTED JOINT

7.1 Introduction

7.2 Experimental Procedures

7.3 Results and Discussion

7.4 Conclusion



PART II Advanced Accelerated Testing Methodology (Advanced ATM)

 

8 INTRODUCTION

 

9 FORMULATION OF STATIC STRENGTH OF FRP

9.1 Introduction

9.2 Formulation of Static Strength

9.3 Application of Formulation

9.4 Results and Discussion

9.5 Conclusion



10 FORMULATION OF FATIGUE STRENGTH OF FRP

10.1 Introduction

10.2 Formulation

10.3 Application of Formulation

10.4 Conclusion



11 FORMULATION OF CREEP STRENGTH OF FRP

11.1 Introduction

11.2 Formulation

11.3 Application of Formulation

11.4 Conclusion



12 APPLICATION 1 OF ADVANCED ATM: STATIC STRENGTHS IN VARIOUS LOAD DIRECTIONS OF UNIDIRECTIONAL CFRP UNDER WATER ABSORPTION CONDITION

12.1 Introduction

12.2 Experimental Procedures

12.3 Viscoelastic Behavior of Matrix Resin

12.4 Master Curves of Static Strengths for Unidirectional CFRP Laminates

12.5 Relation between Static Strengths and Viscoelasticity of Matrix Resin

12.6 Conclusion

 

13 APPLICATION 2 OF ADVANCED ATM: LIFE PREDICTION OF CFRP STRUCTURES BASED ON MMF/ATM METHOD

13.1 Introduction

13.2 Procedure of MMF/ATM Method

13.3 Determination of MMF/ATM Critical Parameters

13.4 Life Determination of CFRP Structures Based on MMF/ATM Method

13.5 Experimental Confirmation for OHC Static and Fatigue Strengths of CFRP QILs

13.6 Conclusion



14. APPLICATION 3 OF ADVANCED ATM: EFFECT OF MOLDING CONDITION ON STATISTICAL STATIC

AND CREEP STRENGTHS OF CFRP STRAND

14.1 Introduction

14.2 Experiments

14.3 Creep Compliance of Matrix Resin and Static Strength of CFRP Strand

14.4. Master Curves of Statistical Static and Creep Strengths of CFRP Strands

14.5 Conclusion

 

15 APPLICATION 4 OF ADVANCED ATM: EFFECT OF CARBON FIBER ON STATISTICAL STATIC AND CREEP STRENGTHS OF CFRP STRAND

15.1 Introduction

15.2 Molding of CFRP Strands and Testing Methods

15.3 Results and Discussion

15.4 Conclusion



PART III Integrated Accelerated Testing Methodology (Integrated ATM)

 

16 INTRODUCTION

 

17 INTEGRATED ATM

17.1 Introduction

17.2 Formulation

17.3 Application of Integrated ATM

17.4 Statistical Long-Term Life Prediction of CFRP Strand

17.5 Conclusion

 

18 APPLICATION 1 OF INTEGRATED ATM: STATISTICAL CREEP AND FATIGUE LIVES OF UNIDIRECTIONAL CFRP LAMINATES UNDER BENDING LOAD

18.1 Introduction

18.2 Experiments

18.3 Results and Discussion

18.4 Conclusion

 

19 APPLICATION 2 OF INTEGRATED ATM: CARBON FIBER AND MATRIX RESIN MECHANICAL PROPERTIES CONTROLLING STATISTICAL TENSILE FATIGUE LIFE OF UNIDIRECTIONAL CFRP

19.1 Introduction

19.2 Formulations

19.3 Experiments

19.4 Results and Discussion

19.5 Conclusion



 

20 APPLICATION 3 OF INTEGRATED ATM: INFLUENCE OF MECHANICAL PROPERTIES OF CARBON FIBER ON STATISTICAL CREEP AND FATIGUE LIVES OF CFRTP STRANDS

20.1 Introduction

20.2 Experimental Procedure

20.3 Results and Discussion

20.4 Conclusion



21 APPLICATION 4 OF INTEGRATED ATM: STATISTICAL TENSILE AND FLEXURAL CREEP AND FATIGUE LIVES OF UNIDIRECTIONAL CFRP LAMINATES WITH POLYPROPYLENE AS MATRIX

21.1 Introduction

21.2 Experimental Procedure

21.3 Results and Discussion

21.4 Conclusion

 

22 APPLICATION 5 OF INTEGRATED ATM: PREDICTION OF CREEP FAILURE LIFE FOR UNIDIRECTIONAL CFRP WITH HEAT-RESISTANT EPOXY RESIN AS MATRIX EXPOSED TO HIGH TEMPERATURE UNDER TENSION LOAD

22.1 Introduction

22.2 Experiments

22.3 Results and Discussion

22.4 Conclusion

 

23 APPLICATION 6 OF INTEGRATED ATM: EFFECTS OF ANNEALING ON STATISTICAL CREEP LIFE FOR

CFRP STRANDS WITH THERMOPLASTIC EPOXY RESIN AS MATRIX

23.1 Introduction

23.2 Formulations

23.3 Experiment Procedures

23.4 Results and Discussion

23.5 Conclusion



APPENDIX

 

A EFFECT OF PHYSICAL AGING ON THE CREEP DEFORMATION OF AN EPOXY RESIN

A.1 Introduction

A.2 Creep Deformation for Aged Polymers

A.3 Experimental Procedure

A.4 Results and Discussion

A.5 Conclusion



B RELIABLE TEST METHOD FOR TENSILE STRENGTH IN LONGITUDINAL DIRECTION OF UNIDIRECTIONAL CFRP

B.1 Introduction

B.2 Evaluation of Tensile Strength Using Post Bonded CFRP Strand Specimen

B.3 Development of Co-Cured CFRP Strand Specimen

B.4 Conclusion

 

C SIZE DEPENDENCE ON TENSILE STRENGTH FOR CFRP STRAND

C.1 Introduction

C.2 Formulations

C.3 Experimental Procedures

C.4 Experimental Results

C.5 Evaluation of Size Effect

C.6 Conclusion



Index