Application of Fracture Mechanics to Materials and Structures

Plenary Lectures.- Microstructural aspects of the resistance to crack extension of engineering alloys.- Numerical analysis in fracture mechanics.- Macro- and micromechanics of fatigue crack initiation and propagation under constant and variable amplitude loading.- The strength calculation on the basis of nonlinear fracture mechanics.- Time effects and their influences on test procedures for measuring dynamic material strength values.- Nonlinear and dynamic fracture of cracked structures under electromagnetic force.- Residual stresses.- Effect of environments on fracture of materials and structures.- Fracture mechanics in structure design.- Section I Crack Initiation and Growth.- Continuum aspects of crack initiation.- Effect of loading history on crack growth.- Conditions for hydrostatic rupture in the vicinity of cracks or notches.- The step before the application of fracture mechanics to fatigue.- Size effects in solid mechanics due to topology transformation during crack growth.- Ductile fracture propagation studies by a kinematic approach.- Section II Mixed Mode Fracture and Multiaxial Stress State.- Examination of brittle fracture criteria for overlapping Mode I and Mode II loading applied to cracks.- Safe-life analysis of structures subjected to general in-plane loadings.- Mode II fracture toughness testing with application to PMMA.- The influence of multiaxial stress states on characteristic parameters for cleavage fracture in the elastic-plastic range.- Section III Material Characterization and Testing.- Comparison of J-integral estimating methods and techniques.- The strain hardening of structural steels with different yield strengths and its influence on the materials properties during plastic deformation.- The application of a direct approach in the study of the initiation mechanisms of cleavage fracture in a 26 Cr - 1 Mo ferritic stainless Steel.- On the influence of specimen orientation on the ductile fracture behaviour of the steel FeE 350.- Failure assessment diagrams and J estimates: validation for an austenitic steel.- Perspective on J-T plots.- Recategorisation of embedded defects as a single embedded or surface defect.- Section IV Dynamic Fracture.- Towards the development of a dynamic fracture initiation test.- Dynamic analysis of impact test specimens.- Failure behaviour of an aluminium plate under impact loading.- An application of fracture mechanics to presplitting blasting.- The development of a crack arrest test specimen with reduced dynamic effects.- Section V Analytical Analysis.- Theoretical scatter in brittle fracture toughness results described by the Weibull distribution.- On the tension of a cylindrical bar having an infinite row of circumferential cracks.- On the relationship between the geometry of deformed crack tip and crack parameters.- Study on the methods and possibilities of probabilistic fracture mechanics based on data for the steel containment of a nuclear power Plant.- Assessment of the reliability of the steel containment of a PWR by probabilistic fracture mechanics: distributions of material properties and defect dimensions.- Description of the plane crack in terms of local fields versus path-independent integrals.- Section VI Finite Element and Numerical Analysis.- Optimization of finite-element-algorithms for problems of fracture mechanics.- Comparative study on three-dimensional crack tip modeling methodology.- Hybrid crack tip elements for three dimensional fracture problems.- Fracture prediction in elastic-plastic problems using finite element method.- Elastic plastic finite element analysis of a pipe containing a through wall circumferential crack under bending loading.- Three-dimensional fracture analysis by quadratic isoparametric finite elements.- On the numerical evaluation of J in three dimensions.- Numerical simulation of post-yield fracture experiments.- New formulations in numerical fracture mechanics.- Section VII Experimental Methods.- Patterns of U and V displacements around cracks in aluminum by Moire interferometry.- Stress intensity factor distributions by optical methods.- Convergence - aspects of K-determination procedures.- Detection of defects in an austenitic strain-hardened steel using acoustic emission analysis.- Section VIII Fatigue.- Fatigue life assessment in welded rectangular hollow sections using fracture mechanics.- A local inelastic strain-stress analysis of fatigue crack growth.- A contribution to the evaluation of sequence effects under variable amplitude loading by applying defined predeformations.- Variable amplitude fatigue damage analyses: postulate and critical experiments.- Spectrum loading effects on crack growth in major components of commercial transport aircraft.- Ferrite selection ratio of fatigue crack path in dual phase steel.- The behaviour of fatigue cracks in shot-peened components.- Stress intensity factors for surface cracks under thermal fatigue conditions.- An elastic-plastic fracture mechanics approach to notch sensitivity in low-cycle fatigue.- Section IX Environmental Effects.- Moisture and temperature effects on the transient stresses around crack-like defects.- Effects of residual stresses on the fatigue of aluminum alloy 7017 in moist air.- The improvement of fatigue strength of steel by thermomechanical surface treatment.- Stress corrosion cracking behavior in gaseous oxygen of a U-7.5 Nb-2.5 Zr alloy.- Effect of corrosive environment on the fatigue life of cyclic loaded specimen and structures.- Micromechanism of environmental fatigue crack growth in A533B steel.- The effect of temperature, orientation and constraint on the toughness of A533B class I steel.- Section X Structural and Component Design.- Surface cracks in welds of 7020 T6 aluminium alloy.- The comparative analysis of crack propagation in the gear tooth.- Fracture resistance of fatigue cracked welded details.- Leak areas in cracked pipes.- Influence of cracks on structural design criteria.- Creep crack growth on actual and simulated heat affected zones of CrMoV steampipe welds.- Effects of residual stress on fatigue crack propagation properties of rail heads.- Section XI Non-Metallic Materials.- Role of cracks during the annealing of residually stressed brittle structural ceramics.- Crack resistance curves of an alumina material at elevated temperatures.- Fracture of ice under compression with constant speed.- On penny-shaped crack at an ice-substrate interface.- A simple method for the experimental K-value evaluation of the cracked body using brittle fracture characteristic of epoxy resin.- List of Participants.