Influence of a two-phase microstructure on XEC and XRD stress analysis

Author: Fréour S.   Gloaguen D.   François M.   Guillén R.  

Publisher: Edp Sciences

E-ISSN: 1156-3141|100|12|1185-1191

ISSN: 0035-1563

Source: Revue de Métallurgie, Vol.100, Iss.12, 2010-03, pp. : 1185-1191

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Abstract

In multiphase materials, X-Ray Elasticity Constants (XEC) depend on the nature and volume fraction of each phase constituting the polycrystal. These XEC play a leading role during X-Ray diffraction stress analysis. Self-consistent scale transition models have been developed in order to simulate the XEC characteristics of several two-phase alloys. This work makes possible the quantitative study of the influence of the second phase on the results of X-Ray stress analysis.