Cover......Page 1
Damage and Fractureof Composite Materials
and Structures......Page 3
Preface......Page 5
Contents......Page 6
13 The High Velocity Impact Response of Self-Reinforced Polypropylene Fibre Metal Laminates......Page 8
References......Page 10
Abstract......Page 12
1…Introduction......Page 13
2…Experimental Procedure......Page 14
4…Results and Discussion......Page 17
5…The Blast Response of the Sandwich Structures......Page 20
Acknowledgments......Page 21
References......Page 22
Abstract......Page 24
2.1 Matrix Damage Model......Page 28
2.1.1 Helmholtz Free Energy, Stress and Rate of Dissipation......Page 29
References......Page 31
Abstract......Page 34
2.1 Geometry of a Fiber Inclined to Crack Surfaces......Page 35
5…Conclusions......Page 39
6.3 Glass-Fibre Epoxy/Honeycomb Core Sandwich Structures With a 13 mm Thick Core......Page 41
4…Failure Criteria and Failure Modeling of Laminate Composite......Page 43
7…Quantification of the Damage Within the Sandwich Panels......Page 44
8…Conclusion......Page 46
References......Page 49
Abstract......Page 51
5.1 Load--deflection Response......Page 57
5.4 Damage Dissipation Energy......Page 62
References......Page 64
Abstract......Page 66
References......Page 87
Abstract......Page 89
2.1 Shear--Lag Model of Compatibilized Composites......Page 92
2.4 Failure Mechanisms......Page 96
3.1 Model Description......Page 97
3.2 Simulated Annealing......Page 98
4.1 Stress--Strain Relationship......Page 100
4.3 Fibre Modulus......Page 103
4.2 Delamination......Page 104
5.4 Structural Distribution of LCP Fibre......Page 105
5…Discussion and Conclusion......Page 106
A.x(118). Appendix7…Appendix......Page 108
References......Page 109
Abstract......Page 111
2.1.1 Experimental Compliance Calibration......Page 116
2.1.2 Beam Theory......Page 117
3.1 Moisture Absorption......Page 118
3.7 R-curves Obtained from DCB Mode I Specimens......Page 124
References......Page 129
Abstract......Page 132
4.2 Destructive Techniques......Page 138
References......Page 143
Abstract......Page 145
2.1 Test Materials and Specimen Preparation......Page 147
2.3 Impact Bend Test Apparatus and Dynamic Fracture Tests......Page 149
References......Page 158
Abstract......Page 159
2.1 Experimental Set-up and General Analysis of Test Results......Page 162
2.4.1 Projectile Form......Page 170
2.4.2 Thickness and Fiber Directions......Page 171
4.1.1 Matrix Cracking Criteria......Page 176
4.1.2 Modeling of Matrix Cracking......Page 178
4.2.1 Delamination Criteria......Page 179
Using Interface Elements Without Mechanical Properties Degradation......Page 181
Using Mechanical Properties Degradation......Page 183
4.3 Fiber Failure......Page 187
References......Page 188
Abstract......Page 191
6.1 Aluminium Skin/Honeycomb Core Sandwich Structure With a 13 mm Thick Core......Page 197
6.4 Glass-Fibre/Epoxy Skinned Honeycomb Structures......Page 202
References......Page 218
Abstract......Page 220
4.1 Characterisation of the Residual Deformation in the Impacted FMLs......Page 226
4.3 Perforation Resistance of the FMLs......Page 233
References......Page 241
Index......Page 242