1. Formation of plastic enclaves at running brittle cracks

   • G. J. Dvorak

   OriginalPaper Pages: 251 - 267

2. Electron fractography and fatigue crack propagation in 7075-T6 aluminum sheet

   • John Kershaw
   • H. W. Liu

   OriginalPaper Pages: 269 - 276

3. Fatigue crack growth in poly (vinyl chloride)

   • J. P. Elinck
   • J. C. Bauwens
   • G. Homes

   OriginalPaper Pages: 277 - 287

4. On the determination of surface energy from cleavage experiments

   • Jürgen Raasch

   OriginalPaper Pages: 289 - 300

5. Effect of width and length on stress intensity factors of internally cracked plates under various boundary conditions

   • M. Isida

   OriginalPaper Pages: 301 - 316

6. Stress singularities in a two-material wedge

   • V. L. Hein
   • F. Erdogan

   OriginalPaper Pages: 317 - 330

7. Elastic cracks and screw dislocation pile-ups crossing a bimaterial interface

   • Tsu-Wei Chou
   • Alan S. Tetelman

   OriginalPaper Pages: 331 - 338

8. Note on the growth of a penny-shaped crack in a general uniform applied stress field

   • E. Smith

   OriginalPaper Pages: 339 - 342

9. An experimental model of crack nucleation by slip bands

   • V. A. Garten
   • R. B. Head

   OriginalPaper Pages: 343 - 344

10. Errata

    Erratum Pages: 345 - 345

11. A note on the fracture mode transition in fatigue

    • R. W. Hertzberg
    • E. F. J. von Euw

    OriginalPaper Pages: 349 - 353

12. Steady crack growth in a linear viscoelastic material

    • W. S. Blackburn

    OriginalPaper Pages: 354 - 356

13. The effect of alternating stress on ductility

    • V. M. Radhakrishnan

    OriginalPaper Pages: 357 - 359

14. Announcements

    Announcement Pages: 360 - 364