P. Vedoya, A. Pochettino, R. Penelle, "Plastic Anisotropy of Titanium, Zirconium and Zircaloy 4 Thin Sheets", Texture, Stress, and Microstructure, vol. 8, Article ID 403732, 10 pages, 1988. https://doi.org/10.1155/TSM.8-9.601
Plastic Anisotropy of Titanium, Zirconium and Zircaloy 4 Thin Sheets
Experimental evolution of Lankford anisotropy coefficient R() versus the amount of strain in tension E11 and versus the angle between rolling direction and the tensile test direction for Titanium, Zirconium (Zr 702) and Zircaloy 4 (Zr 704) thin sheets points out that R() is not constant with deformation; indeed R() tends to infinity when >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.
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