Tensile Instability in Thin-Walled Tubes
- 1 September 1962
- journal article
- Published by SAGE Publications in Journal of Mechanical Engineering Science
- Vol. 4 (3) , 251-256
- https://doi.org/10.1243/jmes_jour_1962_004_034_02
Abstract
An analytical solution giving conditions at instability of a thin-walled tube subjected to internal pressure and independent axial load is presented. An attempt is made to explain the physical reasons for the occurrence of an instability. The analysis shows that a given material has greatest ductility when the ratio of the hoop stress to axial stress has the value one half. The material has least ductility when it is in the form of a closed-ended tube subjected to internal pressure. The terms ‘tensile strength’ and ‘percentage elongation’ are discussed within the framework of the present investigation.Keywords
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