SYMPOSIA PAPER Published: 01 January 1989
STP24016S

Accuracy of Multiaxial Fatigue Testing with Thin-Walled Tubular Specimens

Source

In this study, we attempt to quantify the effects of certain factors which control the accuracy of multiaxial low-cycle fatigue results obtained from thin-walled tubular specimens. This investigation includes: 1. Some experimental observations regarding the behavior of thin-walled tubes under cyclic axial load and internal-external pressure. 2. A finite-element study of the influence of specimen shape. Tubular specimens of 27-mm diameter with different gauge lengths, wall thicknesses, and transition areas are analyzed. In each case, stress and strain distributions through the wall thickness in the gauge length and the critical strain amplitude at buckling are determined for different combinations of axial load and internal-external pressure. 3. Some experimental fatigue results obtained from tubular specimens under cyclic biaxial loading.

Author Information

Lefebvre, DF
Universite de Sherbrooke, Sherbrooke, Quebec, Canada
Ameziane-Hassani, H
Universite de Sherbrooke, Sherbrooke, Quebec, Canada
Neale, KW
Universite de Sherbrooke, Sherbrooke, Quebec, Canada
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Details
Developed by Committee: E08
Pages: 103–114
DOI: 10.1520/STP24016S
ISBN-EB: 978-0-8031-5086-7
ISBN-13: 978-0-8031-1251-3