Verification of Inter-Granular Interaction in Deformation Models by Residual Stress Measurements

Article type: Research Article

Authors: Wroński, S. | Wierzbanowski, K. | Baczmański, A. | Braham, C. | Lodini, A.

Affiliations: WFiTJ, AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland | LM3, ENSAM, 151, Bd. de l’Hopital, 75013 Paris, France | LACM, Université de Reims Champagne Ardenne, 9, bd. de la Paix, 51100 Reims, France

Note: [] Corresponding author. Fax: +48-126340010. E-mail: [email protected]

Abstract: Deformation models are used for predictions of deformation characteristics, crystallographic textures and for interpretation of residual stress measurements. A basic element of any model is a law defining the interaction between a grain and a surrounding material. The level of interaction is very different in various models. The aim of the present work is to find the value of interaction parameter in a given material, using residual stress measurements. The estimation has been done for highly rolled steel via examination of the second order stress. In particular the “snake type” behaviour (in ϵ33 vs. sin2Ψ plot) was useful in this study.

Keywords: Deformation models, Residual stress, Second order stress, Crystallographic texture, Diffraction method, Fitting procedure

DOI: 10.1080/10238160410001734388

Journal: Journal of Neutron Research, vol. 12, no. 1-3, pp. 9-14, 2004