Theoretical and Applied Fracture Mechanics 18 (1993) 285 Elsevier Contents Volume 18 Vol. 18, No. 1 J.J. Hickey and J.H. Bulloch Review of nondestructive techniques designed to evaluate elevated temperature toughness degradation J.H. Bulloch Effects of mean stress on the threshold fatigue crack extension rates of two spheroidal graphite cast irons G.C. Sih and E. Baisch Angled crack growth estimate with overshoot and/or overload M. Mirzaei and J.W. Provan A new method for the analysis and assessment of fatigue crack closure. I: modeling M. Mirzaei and J.W. Provan A new method for the analysis and assessment of fatigue crack closure. II: experimental study D.A. Zacharopoulos, G.N. Diamantaras and Ch.G. Tsimpoli Crack growth in concrete slab resting on steel beam: softening and damage accumulation D.B. Popejoy and L.R. Dharani Effect of fiber coating and interfacial debonding on crack growth in fiber-reinforced composites E. Smith Effect of loading on crack growth resistance behaviour of a ligament toughened brittle material Vol. 18, No. 2 N.C. Huang and J.G. Swadener An investigation of hydraulic fracturing. Part I: one-phase flow model J.G. Swadener and N.C. Huang An investigation of hydraulic fracturing. Part II: two-phase flow model G.C. Sih and C.T. Li Subcritical crack growth in elastic-plastic material with overshoot: Part I—analytical modelling G.C. Sih and C.T. Li Subcritical crack growth in the elastic-plastic material with overshoot: Part II—numerical results M. Zheng and X. Zheng Empirical assessment of ductile fracture initiation in steel bars with notch and three-point bend specimen with edge crack . . W.H. Miiller, G. Herrmann and H. Gao Elementary strength theory of cracked beams Vol. 18, No. 3 M. Mirzaei and J.W. Provan The effect of crack wake characteristics on fatigue crack closure: Part I—a crack wake removal study M. Mirzaei and J.W. Provan The effect of crack wake characteristics on fatigue crack closure: Part II—a non-uniform wake study G.C. Sih and J.W. Ho Rigid-plastic and damage behavior in metal forming: Part I—theoretical development G.C. Sih and J.W. Ho Rigid-plastic and damage behavior in metal forming: Part II—model prediction J.M. Bastero and J.M. Martinez-Esnaola Singular character of axisymmetric stresses around wedge-shaped notches in cylindrical bodies under torsion: unit step Y.L. Li, S.Y. Hu and R.J. Tang Interaction of crack-tip and notch-tip stress singularities for circular cylinder in torsion T. Kondo and H. Sekine Anti-plane shear of kinked interface crack in bonded dissimilar anisotropic solid Author index Volume 18 Contents Volume 18