Preface; Contents; Chapter 1: Characterizing the Mechanical Response of a Biocomposite Using the Grid Method; 1.1 Introduction; 1.2 Applying the Grid Method to Measure Displacement and Strain Maps; 1.3 Description of the Tested Material; 1.4 Surface Preparation; 1.5 Specimens, Testing Conditions; 1.6 Results; 1.7 Conclusion; References; Chapter 2: Preliminary Study on the Production of Open Cells Aluminum Foam by Using Organic Sugar as Space Holders; 2.1 Introduction; 2.2 Experimental Conditions; 2.2.1 Materials and Green Compact; 2.2.1.1 Sintering

2.2.1.2 Measurements of the Density and Porosity of the Compacted Specimens Before and After Sintering2.2.1.3 Mechanical Tests and Microstructural Analyzes; 2.3 Results and Discussion; 2.4 Conclusion; References; Chapter 3: Characterization of Shear Horizontal-Piezoelectric Wafer Active Sensor (SH-PWAS); 3.1 Introduction; 3.2 Theoretical Models of SH-PWAS Impedance Spectroscopy; 3.2.1 SH-PWAS Sensing and Actuation Constitutive Relations; 3.2.2 Free SH-PWAS Electro-mechanical Impedance and Admittance; 3.2.2.1 Analytical Modeling Based on Constant Electric Field E3

3.2.2.2 Analytical Modeling Based on Constant Electric Displacement D33.2.3 Bonded SH-PWAS Analytical Model; 3.2.3.1 Axial and Flexural Response Solution; 3.2.3.2 Shear Horizontal Response Solution; 3.3 FEM and Experimental Validation of SH-PWAS Impedance Response; 3.3.1 Free SH-PWAS FEM; 3.3.2 Constrained SH-PWAS Models; 3.3.3 Experiments and Comparison with Predictive Models; 3.4 SH-PWAS for Composites SHM; 3.4.1 Materials; 3.4.2 Predictive FEM and Comparison with Experiments; 3.5 Summary and Conclusions; References

Chapter 4: Elastic Properties of CYCOM 5320-1/T650 at Elevated Temperatures Using Response Surface Methodology4.1 Introduction; 4.2 Design of Experiments (DOE) Approach; 4.3 Experimental Method; 4.3.1 Material Description; 4.3.2 Specimen Fabrication Process; 4.3.3 Testing Procedure; 4.4 Results; 4.4.1 Experimental; 4.4.2 Analysis of Variance (ANOVA); 4.4.3 Response Surface Models (RSMs); 4.5 Discussion; 4.6 Summary and Conclusion; References; Chapter 5: Coupon-Based Qualification of Bonded Composite Repairs for Pressure Equipment; 5.1 Introduction; 5.2 Experimental Methods

5.2.1 Specimen Manufacture5.2.2 Fracture Testing; 5.2.3 Full Scale Testing; 5.3 Model; 5.4 Results; 5.4.1 Specimen Calibration; 5.4.2 Fracture Testing; 5.5 Discussion; 5.5.1 Comparison of Predicted Failure Pressure; 5.6 Conclusions; References; Chapter 6: Compression-After-Impact of Sandwich Composite Structures: Experiments and Simulation; 6.1 Introduction; 6.2 Sample Materials and Fabrication; 6.3 Experimental Results; 6.3.1 Quasi-static Indentation; 6.3.2 Compression-After-Impact Results; 6.4 Numerical Modeling; 6.4.1 Facesheets; 6.4.2 Explicit Geometry Core; 6.4.3 Continuum Core