Creep evaluation of 2. 25Cr-1Mo steel with low-cycle oscillation vibration

摘要

With the forced oscillation, the effect of preload stress on the internal friction and storage modulus of 2.25Cr-1Mo steel is investigated on a low-cycle fatigue machine. Based on the analyses of obtained results, the plastic strain of creep is calculated, which offers a convenient approach to evaluate the material creep at elevated temperatures.