A localized inhomogeneous cyclic plastic deformation phenomenon was experimentally investigated in a mild steel. Small strain gages were utilized to characterize the local deformation within the gage section and the gross deformation was measured with an extensometer. Both fully reversed symmetrical loading and asymmetrical loading with a mean stress were used in the cyclic experiments. Plastic deformation was initiated in local areas of the specimen and it propagated into the whole gage section in the specimen with increasing cyclic loading. The local inhomogeneous cyclic deformation was dependent on the loading magnitude and evolved with continued cyclic loading.
An Experimental Study of Inhomogeneous Cyclic Plastic Deformation
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division May 12, 2000; revised manuscript received March 11, 2001. Associate Editor: D. Marquis.
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Jiang, Y. (March 11, 2001). "An Experimental Study of Inhomogeneous Cyclic Plastic Deformation ." ASME. J. Eng. Mater. Technol. July 2001; 123(3): 274–280. https://doi.org/10.1115/1.1373652
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