Abstract
Isothermal axial strain controlled creep-fatigue testing of a eutectic alloy Sn-37Pb was carried out at room temperature. Four kinds of triangular strain waveform, so called fast-fast, fast-slow, slow-fast and slow-slow, were used in order to obtain the creep-fatigue properties of the material as the partitioned inelastic strainrange versus life relationships, that is, ⊿_<εij>-N_<ij> (ij=pp, pc, cp and cc) relationships. The fast and slow strain rates adopted were 0.01/s and 0.0001/s respectively. The obtained ⊿_<εij>-N_<ij> relationships were converted to the partitioned inelastic shear strainrange versus life relationships, that is, the ⊿_<γij>-N_<ij> relationships which can be used in order to estimate the creep-fatigue life under cyclic pure torsion. The results are compared with the literature data.
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