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Taking into Account the Texture Effect in the Measurement of Residual Stresses by Using the Vector Method of Texture Analysis

Published online by Cambridge University Press:  06 March 2019

Albert Tidu ,
Albert Vadon  and
Jean-Julien Heizmann
Albert Tidu
Affiliation:
Laboratoire de Métallurgie Physique et Chimique Université de Metz. ILe du Saulcy 57045 Metz Cedex I, France
Albert Vadon
Affiliation:
Laboratoire de Métallurgie Physique et Chimique Université de Metz. ILe du Saulcy 57045 Metz Cedex I, France
Jean-Julien Heizmann
Affiliation:
Laboratoire de Métallurgie Physique et Chimique Université de Metz. ILe du Saulcy 57045 Metz Cedex I, France
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Extract

Crystallographic texture induces an anisotropic mechanical behavior of the poly-crystal, so that the current analysis of the macro residual stress by X-ray diffraction cannot be used, because the lattice-stram distribution versus sin2(φ) presents a non-linear behavior. In order to take into accountthe influence of the texture, several authors have proposed theoretical explanations using the orientation distribution function. Many of them use the ODF to calculate the X-ray elastic constants, another one uses Bunge's texture representation to obtain analytical expressions of the strain for textured specimens.

Type
VII. X-Ray Stress Analysis
Information
Advances in X-Ray Analysis , Volume 32: Thirty-Seventh Annual Conference on Applications of X-ray Analysis, August 1-5, 1988 , 1988 , pp. 423 - 428
Copyright
Copyright © International Centre for Diffraction Data 1988

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References

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