SEDL / STP / STP803V1-EB / STP37316S

Steady-State Crack Growth in Elastic Power-Law Creeping Materials

Hui, CY
Assistant professor, Theoretical and Applied Mechanics, Cornell University, Ithaca, N.Y.

Pages: 21    Published: Jan 1983

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Abstract

The problem of a quasi-statically growing crack in an elastic power-law creeping material is considered for the case of plane-strain Mode I under small-scale yielding conditions. A finite-element method is used to compute the complete stress and strain field. A crack growth criterion is used to derive a relation between the crack growth rate ˙a and the stress-intensity factor K.