Abstract
We established the fact that cyclical thermal working of uranium (CTW) in its α-phase,under the action of a constantly applied external tensile load,leads to a significant residual deformation which exceeds by several times the total deformation occurring during CTW without the application of constant tension or due to creepage. The change in size of the samples in all of the cases which we studied occurred in the direction of action of the external force. CTW of transverse samples of sheet uranium in the temperature region of the a-phase resulted in a shrinking of the samples when a tensile load was not applied, however the application of an external tensile load not only did not prevent the lengthening of the samples but led to the appearance of a deformation in the direction of the external force which was greater than the deformation due to creepage.
Published Version
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