Modelling of the evolution of dislocation sheets during strain-path changes and their influence on the Bauschinger effect of B.C.C. polycrystals B. Peeters, C. Teodosiu, S. R. Kalidindi, P. Van Houtte et E. AernoudtJ. Phys. IV France, 11 PR5 (2001) Pr5-119-Pr5-126DOI: https://doi.org/10.1051/jp4:2001515