Proceedings of an International Conference on Analytical and Experimental Fracture Mechanics

Plenary Lectures.- The analytical aspects of macrofracture mechanics.- Fracture mechanics test technique.- On the metallurgical design of steels with high fracture toughness.- Application of fracture mechanics to fatigue, corrosion-fatigue and hydrogen embrittlement.- Dynamic crack propagation in line pipe.- Fracture mechanics approach to the characterization of new welding procedures.- Survey Lectures: Panel Discussion.- Future demand of pipeline steels and associated research problems.- Fracture mechanics in pipeline technology.- Section I Ductile Fracture.- Distribution of plastic deformation around a notch tip.- Ductile fracture at an angled slit in a sheet under tension.- Observations of ductile mechanisms of stable crack growth in two phase alloys.- Fractography and mechanisms of environment-assisted crack growth in A508-2 pressure vessel steel in reactor grade water.- Section II Fracture Analysis.- A fracture mechanics description of material damage in absence of a macrodefect as a collective of microdefects.- Criteria for predicting crack extension angle and path in plane crack problem.- Plastic collapse loads for edge cracked plates subjected to tension and bend loading, and their application to the failure assessment diagram.- Thermally induced crack curving in brittle solids.- The experimental research of constant strain controlled low cycle fatigue of steels.- Applicability and verification of the maximum shear stress criterion for crack extension.- Elastic-plastic characterization of nuclear vessel steels.- Residual strength of surface crack specimens.- Fracture mechanical analysis and experiments on stress rupture life of precracked superalloy components.- Section III Fatigue Crack Propagation.- Crack propagation in commercial grade aluminum.- The nucleation of fatigue cracks in a low-alloy steel under high-cycle fatigue conditions and torsional loading.- Residual life assessment of flawed rolling mill rolls.- Fatigue crack propagation in forged structural steel.- Frequency effects on crack propagation.- Fatigue crack growth and threshold under mode II loading.- Propagation of a crack nucleated within the specimen body.- The elementary physical hypotheses governing the continuum mechanics of subcritical flaw growth phenomena in corrosive material-environmental systems.- Section IV Fatigue Analysis.- Statistical approach to fatigue fracture initiation and propagation.- Fatigue evolution of multicracked frame-structures.- A study of crack closure following overloads.- Opening and mixed-mode fatigue crack growth of surface cracks in a hollow tube.- Section V Metallurgical Effects.- Influence of inclusion type on fracture toughness indices of low alloy steels.- The influence of the microstructure on the fracture toughness of a bainitic steel.- Influence of the microstructure of high strength aluminum alloys on fatigue crack propagation under variable amplitude loading.- A microstructural analysis of cleavage crack propagation in a bainitic pressure vessel steel.- Section VI Toughness and Dynamic Testing.- Fracture toughness testing of austenitic stainless steel.- Measurement of dynamic fracture toughness applying acoustic emission techniques.- On the fracture of laminated Charpy V notch specimens.- Toughness specification for shear fracture arrest in pipelines.- Evaluation of shear crack arrest capability of control rolled line pipe steel.- Survey and tentative revisal of ductile fracture arrest prevision criteria in pipelines for gas transmission.- Ductile fracture propagation in pipelines: results of instrumented full-scale burst tests on 48? and 56? diameter pipes for gas transmission.- Section VII Weldments.- An evaluation of air and underwater welds toughness of structural steels by fracture mechanics and wide plate tests.- Measurement of crack opening displacement in weldments with particular reference to offshore structures.- An investigation of the electron beam welded joint of the stainless sintered steel.- Section VIII Structural Problems.- Evaluation of defect tolerance on structures by means of C.O.D. and wide plates tests.- Wheel/rail impact loads: a contributory cause of rail fracture.- Fracture mechanics approach to the plastic instability of surface notched pipelines during hydrotests.- Fracture toughness of high-strength steels for thin-walled tubes.- One way of fracture mechanics, as it is used in the Hungarian bus development.- Section IX Experimental Methods.- Experimental investigation of biaxial impact in plates.- Observations on crack shapes and stress intensity distributions during stable flaw growth.- K-determination from crack-tip moire fringe patterns.- Experimental determination of high loading rate effects on fracture toughness of aluminium alloys.- Measurement of fracture initiation and propagation parameters from fracture kinematics.- Dynamic fracture of cracked beam under electromagnetic force.- Section X Analytical Modeling.- Fast fracture of a strip of viscoplastic work-hardening material.- Size effect in fracture toughness testing: a dimensional analysis approach.- Comparative study of models for tensile quasi-static fracture.- Method of specific potential energy.- Section XI Boundary Value Problems.- A cracked surface layer bonded to a cracked half space.- Biaxial load effects on the behaviour of fracture caused by cracks on circular interfaces.- The stress intensity factor for a penny shaped crack in a finitely deformed elastic body under the action of body forces.- The longitudinal shear problem of bimaterial media with radial arrays of cracks.- Section XII Numerical Analysis.- Finite element analysis and experimental verification of quasistatic thermal crack growth in a two-phase medium.- Prediction of crack propagation path (numerical analyses and experiments).- Numerical estimation of stress intensity factors by finite difference Eulerian method (the HELP code).- Section XIII Nonmetals and Composites.- On the stability, crack opening displacement and volume of a large open hydraulic penny-shaped fracture in the earth's crust.- Application of fracture mechanics to wood.- Brittle fracture in ductile polymeric solids produced by sandwich layers.- Morphology and molecular weight in the high speed fracture mechanics of polypropylene.- Fracture of composites with rigid inclusions having cuspidal points.- Correlation between bending strength of glass and crack frequency near Vickers indentations.- List of Participants.