Abstract
The paper discusses delayed creep failure criteria and their experimental justification. These criteria allow transition from the strength characteristics under uniaxial stress to the strength characteristics under plane stress. The criterion is chosen in the form of a mixed invariant that relates two stress components responsible for brittle and ductile failure. The limit characteristics take the effect of the principal stresses into account. The criterion was tested for isotropic metallic materials subjected to internal pressure, internal pressure with tension, pure torsion, and tension with torsion
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Golub, V.P., Krizhanovskii, V.I. & Rusinov, A.A. A Mixed Criterion of Delayed Creep Failure Under Plane Stress. International Applied Mechanics 39, 556–565 (2003). https://doi.org/10.1023/A:1025187509053
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DOI: https://doi.org/10.1023/A:1025187509053