Texture, Stress, and Microstructure

Texture, Stress, and Microstructure / 1992 / Article

Open Access

Volume 19 |Article ID 452341 | https://doi.org/10.1155/TSM.19.175

Dominique Daniel, J. J. Jonas, J. Bussière, "The Elastic Strain Ratio, the Lüders Strain Ratio and the Evolution of r-Value During Tensile Deformation", Texture, Stress, and Microstructure, vol. 19, Article ID 452341, 14 pages, 1992. https://doi.org/10.1155/TSM.19.175

The Elastic Strain Ratio, the Lüders Strain Ratio and the Evolution of r-Value During Tensile Deformation

Received17 Sep 1991


The elastic counterpart of the plastic strain ratio is derived from ultrasonic data measured on twenty commercial deep drawing steels. It is shown that the observed variations in plastic r are related to the evolution of texture, and are not affected either by the elastic range of deformation or by the propagation of Lüders bands. Further quantitative analysis suggests that the elastic strain ratio, determined non-destructively, can be used to predict plastic r-values by means of an empirical relationship.

Copyright © 1992 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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