2006 | OriginalPaper | Chapter
Multiple Cracking in Surface-Hardened Tensile Specimens and Their Fracture Mechanisms
Authors : L. S. Derevyagina, V. E. Panin, R. V. Goldstein, N. A. Antipina, I. L. Strelkova
Published in: Fracture of Nano and Engineering Materials and Structures
Publisher: Springer Netherlands
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In tension of metal materials with a surface-hardened layer can be clearly observed during the entire development of localized deformation and neck formation. Quasiperiodic cracks formed on the surface of such specimens are stress mesoconcentrators that generate high plasticity zones in the material bulk. Sometimes their evolution passes through the stage of macroband formation and ends in material fracture.