Small and Full-Scale Fatigue Testing of Lead Cable Sheathing
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The fatigue behavior of a PbSnSb alloy used in subsea power cable sheathing was studied using small- and full-scale experiments. The aim of the work was to understand the transferability between the scales and suitable testing methods. Creep phenomena are addressed by considering the cyclic strain rate as well as the small-scale loading mode. The fatigue test results show significant difference between different loading modes and scales. It is also evident that fatigue- creep interaction is highly important.