Creep in Rotating Disks in Transient Period
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概要
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An analysis is presented to predict the deformation and distribution of stresses in a rotating disk with variable thickness and temperature gradient. The theory is based on the Mises criterion using the time hardening or the strain hardening rule. A result of experiments is presented. Spin tests were carried out on the specimens made of 13 Cr steel and of 300 mm outer diameter, 60 mm inner diameter, and 15 mm thickness. The deformation and distribution of the residual stresses were measured to investigate the change of stress distribution in the transient period. Fairly good agreement was found between theory and experiments.
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