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- Title
Time to Creep Failure of Thin-Walled Cylindrical Pipes under Torsion.
- Authors
Golub, V. P.; Kasperskaya, V. V.; Rusinov, A. A.
- Abstract
The time to creep failure is calculated for rectilinear thin-wall pipes subjected to pure torsion, torsion with uniaxial tension, and torsion with internal pressure. The problem is solved using the concept of equivalent stress. The equivalent stresses are found from the generalized mixed failure criterion whose form depends on the signs of the principal stresses. The criterion relates the maximum normal stress and the intensity of shear stress if the signs coincide, and the maximal shear stress and the octahedral shear stress if the signs are opposite. A technique for determining the material constants is developed. The calculated and experimental data are compared and found to be in satisfactory agreement
- Subjects
TORSION; STRAINS &; stresses (Mechanics); ELASTIC solids; DEFORMATIONS (Mechanics); MECHANICS (Physics); STRUCTURAL analysis (Engineering)
- Publication
International Applied Mechanics, 2004, Vol 40, Issue 6, p686
- ISSN
1063-7095
- Publication type
Article
- DOI
10.1023/B:INAM.0000041397.05165.3d