Abstract
In practice engineering materials are generally elastic-plastic as soon as the stress state at the material point exceeds the yield stress. Thus, the material behaviour around the crack tip is generally nonlinear. Linear elastic fracture mechanics is valid only as long as nonlinear material deformation is confined to a small region surrounding the crack tip. Influences of material nonlinearity becomes significant if the material fails in a ductile fracture process or the plastic zone surrounding the tip is not well contained by the elastic zone described by the known Williams’ solutions [147, 148].
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© 2002 Springer-Verlag Berlin Heidelberg
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Yuan, H. (2002). Cracks under stationary conditions. In: Numerical Assessments of Cracks in Elastic-Plastic Materials. Lecture Notes in Applied and Mechanics, vol 4. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-45882-1_2
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DOI: https://doi.org/10.1007/978-3-540-45882-1_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-53663-2
Online ISBN: 978-3-540-45882-1
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