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High Damping Related To Anelasticity Of Mn-Cu-Alloys
Summary
This study investigated the dynamic relaxation spectrum and micro-plastic behavior of three Mn-Cu alloys across a broad temperature range (-293 to 973 K), characterizing amplitude-dependent internal friction across three deformation amplitude zones. The results identify dislocation-based mechanisms of hysteretic damping and micro-plasticity in these high-damping alloys.
The dynamic relaxation spectrum of tree Mn-Cu alloys for a broad temperature interval -293-973K is investigated in order to determine the micro-plastic behavior of the material at levels of relative deformation at the range of 10 -4 -10 -2 .The amplitude dependence of internal friction (IF) shows presence of tree zones of deformation amplitudes and possible dislocation mechanism of hysteretic damping and micro-plasticity in material.