Portal de Periódicos da CAPES

The asymptotic near-tip solution for mode-III crack in steady growth in power hardening media

1983; Springer Science+Business Media; Volume: 21; Issue: 4 Linguagem: Inglês

10.1007/bf00942348

1573-2673

Y.C. Gao, Zhang Xiao-ti, Keh-Chih Hwang,

Metallurgy and Material Forming

It is shown that, for mode-III crack in steady growth in power hardening media the near-tip singularity is not of the power function type but is logarithmic. By consideration of the inner boundary layer in the neighborhood of the unloading boundary, the asymptotic near-tip solutions for stress and strain fields are obtained, which satisfy all the necessary relations of elastic-plastic continuum mechanics, including the condition of continuity of the plastic parts of strain-rates across the unloading boundary.