Defects, Fracture and Fatigue Proceedings of the Second International Symposium, held at Mont Gabriel, Canada, May 30–June 5, 1982

Section I Dislocation Behavior and Influence.- Direct observations of crack tip dislocation behavior during tensile and cyclic deformation.- The behavior of dislocations and the formation of wall structures observed by in situ high voltage electron microscopy.- Dislocation dynamics in aluminum and in aluminum-based alloys investigated by TEM and NMR techniques.- The cyclic deformation of titanium: dislocation substructures and effective and internal stresses.- Fatigue softening in precipitation hardened copper-cobalt single crystals.- Section II Modeling of Dislocations and Microcracking.- The elastic strain energy of dislocation structures in fatigued metals.- Dislocation kinetics and the formation of deformation bands.- Intergranular fracture criteria and interfacial thermodynamic properties.- Statistical mechanics of early growth of fatigue cracks.- The effect of homo- and heterogeneous mechanisms coupling on microcrack nucleation in metals.- Section III Slip-Bands and Crack Initiation.- A model of high-cycle fatigue-crack initiation at grain boundaries by persistent slip bands.- Shape and structure of persistent slip bands in iron carbon alloys.- Estimation of crack initiation in plain carbon steels by thermometric methods.- Inhomogeneous work-softening during cyclic loading of SAE 4140 in different heat treated states.- Fatigue crack initiation in iron.- The cyclic response and strain life behaviour of polycrystalline copper and ?-brass.- Section IV Material Damage and Fracture.- Prediction of damage sites ahead of a moving heat source.- A pseudo-linear analysis of yielding and crack growth: strain energy density criterion.- Nonlocal mechanics of crack curving.- Motion of the crack under constant loading and at high constant temperature.- Creep cavitation andfracture due to a stress concentration in 21/4 Cr-1 Mo.- Section V Stress and Failure Analysis.- Stress intensity factors for radial cracks in bimaterial media.- Sudden twisting of partially bonded cylindrical rods.- An axisynmetric-elastodynamic analysis of a crack in orthotropic media using a path-independent integral.- Unstable growth of branched cracks.- Experimental stress intensity distributions by optical methods.- Section VI Fatigue Crack Propagation.- Analyses of microstructural and chemical effects on fatigue crack growth.- A fractographic study of corrosion-fatigue crack propagation in a duplex stainless steel.- Effects of environment on fatigue deformation of iron.- Microstructural processes prior to and during fatigue softening of structural steels.- Section VII Statistical Fracture and Fatigue.- On a predictive fatigue crack initiation reliability for large steel castings.- Reliability of structures with time dependent properties.- An experimental investigation of fatigue reliability laws.- Section VIII Fracture Testing and Control.- On cracking instability in plates containing circular holes.- Effect of inclusions on dynamic toughness of line-pipe steel.- Discontinuity sources in manufacturing processes.- A stochastic interpretation of material degradation processes.- List of Participants.