Torsion texture development of zirconium alloys

In order to study texture formation during high temperature torsion tests o f Zirconium alloys, results from experiments and simulations are presented and compared in this paper. Simulations put in evidence that the Viscoplast ic Selfconsistent model (V-PSC), in spite of some limitations for the descr iption of plastic deformation at high temperatures, gives a reasonable desc ription of the experimental textures. Predictions show that prismatic and b asal (a) slip are necessary to reproduce the main texture components and th at pyramidal (c + a) slip must have a low activity. (C) 2001 Elsevier Scien ce B.V. All rights reserved.