Damage and Fracture Mechanics: International Conference on Computer Aided Assessment and Control 6th

Keynote Address: Scaling laws in solid mechanics; static, kinematic and energy dissipation aspects. Section 1: Fracture Mechanics and Fracture Criteria - The bridged external circular crack; Numerical analysis of fracture in smart composite structures; Evaluation of fracture parameters for functionally gradient materials; A mechanical model for compressed concrete in R/C beams; J estimation for single-edge-notch tension specimens subjected to fixed-grip loading; Stress intensity factor analysis for an interface crack between dissimilar isotropic materials under thermal stress; Surface fatigue crack growth under EHD lubrication conditions; Some experiences in using the K-gage to measure stress intensity factors; Effect of orientation and loading rate on the toughness transition curve of a ship steel. Section 2: Damage Mechanics - Damage and spalling in HP and UHP concrete at high temperature; Long-term damage processes in RC-folded plate structures with textile reinforcement; Experimental determination and computational modelling of the damage development during ductile fracture of a free-cutting steel; Failure site of axisymmetric notched specimens as predicted by continuum damage mechanics; Analysis of damage tolerance to tear propagation in stressed structural fabrics; Critical notes on evaluation of secant moduli and secant Poisson's ratio in solid bodies. Section 3: Composite Materials - Optimal coating of fibers in composites; Fracture and damage in polyester/glass woven-fabric composites; Damage generated in carbon/epoxy composite plates with holes under different levels of impact energy. Section 4: Crack Propagation and Control - Fatigue crack growth mechanisms of cast Ti-48Al (at.%) alloy; Fracture and yielding behaviors of polystyrene/ethylene - propylene rubber blends: Effects of interfacial agents; Analytical method to predict initiation of multiple site damage at mechanical joints; Computational and experimental analysis of residual stress effects on fatigue crack growth in a compact tension shear (CTS) specimen; Numerical analysis of the fatigue crack growth on gears. Section 5: Dynamic Fracture - Influence of the heat exchange rate upon dynamic effects and bound effects in massive fractured solids; Modeling dynamic fracture following high shock compression. Section 6: Fatigue - Effect of compressive mean stress on fatigue properties of structural steel; How gears break; Approximate prediction of mixed-mode fatigue crack growth; Investigation of roughness induced crack closure effects in fatigue; Fatigue crack growth in fibre reinforced metal laminates; Fatigue life prediction for a cracked notched element under symmetric load condition; The fatigue test and analysis for 50AT and 60AT railroad rails; Validation of a calibration procedure for fatigue crack growth measurement in circular section specimens. Section 7: Industrial Applications - Effects of aging on fracture behavior of polycarbonate; Quality of life: activities at Volvo Aero Corporation to assess and improve the accuracy of assumptions and methods employed in calculating the service life of aero engine components; Numerical analysis of failure mechanisms of historical constructions. Section 8: Microstructural and Micromechanical Modelling - Stress concentrations at grain boundaries due to anisotropic elastic material behavior; Proper defect density parameters for anisotropic solids with cracks and elliptical holes. Section 9: Creep and High Temperature - Effects of end loading on the creep failure behaviour of CrMoV welds in main steam pipelines; Effect of temperature on ductility and fracture mechanisms of 2124/SiCp composite; Development of constitutive equations for creep damage behaviour under multi-axial states of stress; Creep damage accumulation under multi-stage loading. Section 10:Advanced Analysis Methods - Highly accurate values of KI and KII of axially symmetrical cracked body subjected to tension obtained by FEM; Stability of tunnel face using coupled DSC & TFA models; The boundary collocation method for multiple collinear cracks near finite boundaries in an unstiffened sheet; Stress intensity factors for two critical angular positions of semi-elliptical surface cracks in shafts; A hybrid method based upon the finite element alternating technique for 3D fracture analysis; A higher-order finite element to model singularities; Implementation of a unified material model in finite element analysis and simulations of cracked components; Coupled modeling using unified function. Section 11: Metallic and Non-Metallic Materials - Development of Al2O3/Cu functionally gradient material based on residual stress analysis; Numerical verification of the Bridgman model for notched and unnotched round specimens. Section 12: Environmental Effects - A thermo-plastic damage model for cyclic loading of concrete at elevated temperatures; Contribution for modelling creep and drying shrinkage of reinforced concrete structures; Corrosion prediction in aging aircraft materials; Corrosion performance of zinc chromate (hexa:tri Cr) complex compound coating on zinc coated components.