International Journal of Fracture CONTENTS OF VOLUME 54 (1992) Vol. 54, No. 1, 1 March 1992 On the autonomy of the process region F. SJOBERG and P. STAHLE Accelerated fatigue fracture of polyethylene pipe material: crack layer analysis J.J. STREBEL and A. MOET A consistent few parameter crack growth description procedure F. NILSSON A new model for characterizing primary creep damage F.W. BRUST and B.N. LEIS Kinked cracks in bonded half-planes modeled by an integral equation method W.L. ZANG and P. GUDMUNDSON Linear electro-elastic fracture mechanics of piezoelectric materials Vol. 54, No. 2, 15 March 1992 Crack motion and hydrodynamic flow F. EMBACHER and H. PETERLIK A fracture-mechanical theory of subcritical crack growth in ceramics Minor role of fractographic features in basic fatigue crack propagation properties N. SUZUKI, T. MAWARI and A. OHTA Path and kinetics of branching from defects M. BARQUINS, J.-P. PETIT, under uniaxial and biaxial compressive loading D. MAUGIS and K. GHALAYINI HRR fields for damaged materials J. WANG and C.L. CHOW Transient thermoelastic fracture of interface cracks: effect of bending restraints R.R. REYNOLDS and K. KOKINI Vol. 54, No. 3, 1 April 1992 Estimation procedure for the Weibull F. MINAMI, A. BRUCKNER-FOIT, parameters used in the local approach D. MUNZ and B. TROLLDENIER Asymptotic deformation and stress fields at the tip of a sharp notch in an elastic-plastic material S. YANG and Y.J. CHAO Three-dimensional thermal analysis of an infinite solid containing an elliptical surface crack W.-H. CHEN and C.-C. HUANG Mode I plane stress crack-tip constraint for elastic-plastic materials with different strain hardening SUN JUN A theoretical analysis of the stress intensity factors varying along the front of a surface crack P.S. THEOCARIS and D.L. WU A cohesive crack model to study the fracture behaviour of fiber-reinforced _ brittle-matrix composites J. LLORCA and M. ELICES On the analysis of mixed-mode failure M. CHARALAMBIDES, A.J. KIN- LOCH, Y. WANG and J.G. WILLIAMS Vol. 54, No. 4, 15 April 1992 Stress intensity factors at tips of branched cracks under various loadings M. ISIDA and H. NOGUCHI New aspects for the generalization of the Sokhotski-Plemelj formulae for the solution of finite-part singular integrals used in fracture mechanics E.G. LADOPOULOS Crack propagation behavior under creep conditions P.K. LIAW and A. SAXENA Modeling of crack bridging in a unidirectional L.J. GHOSN, P. KANTZOS and metal matrix composite J. TELESMAN Microrotation analysis applied to material cracking and toughness C. WANG and Z.D. CHEN