Investigation of Subsequent Viscoplastic Deformation of Austenitic Stainless Steel Subjected to Cyclic Preloading

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概要

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• This paper investigates the effects of cyclic preloading on the subsequentviscoplastic deformation. A series of experiments such as the subsequent creep,subsequent stress relaxation, and cyclic loading with strain rate changes after cyclicpreloading were conducted with Type 304 stainless steel at room temperature. Thecyclic proportional and non-proportional loadings were conducted as cyclic preloadings.Tension-compression loading was chosen as the cyclic proportional loading, andcircular and cruciform loading as the cyclic non-proportional loading. The experimentalresults showed that the subsequent deformation changes with the number of cycles ofcyclic preloading. The differences in the subsequent deformation were examined bytransmission electron microscopy (TEM). The observations suggest that changes in thedislocation structure depending on the number of cycles of cyclic preloading affect thesubsequent viscoplastic deformation.

• Elsevier Ltdの論文

著者

• Mayama T.

  Div. Of Human Mechanical Systems And Design Hokkaido Univ. N13w8 Kita-ku Sapporo Jpn

関連論文

• Investigation of Subsequent Viscoplastic Deformation of Austenitic Stainless Steel Subjected to Cyclic Preloading

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