Plastic Anisotropy of Titanium, Zirconium and Zircaloy 4 Thin Sheets
Open Access
- 1 January 1988
- journal article
- research article
- Published by Hindawi Limited in Textures and Microstructures
- Vol. 8, 601-610
- https://doi.org/10.1155/tsm.8-9.601
Abstract
Experimental evolution of Lankford anisotropy coefficient R(α) versus the amount of strain in tension E11 and versus the angle α between rolling direction and the tensile test direction for Titanium, Zirconium (Zr 702) and Zircaloy 4 (Zr 704) thin sheets points out that R(α) is not constant with deformation; indeed R(α) tends to infinity when α>45° and E11<0.02 which corresponds to a planar deformation state. This behaviour can be interpreted by using a model of Sachs type for tensile tests performed along either the rolling direction or the transverse direction by considering only prismatic slip.Keywords
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