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Effects of Elastic Anisotropy on the Lattice Strains in Polycrystalline Metals and Composites Measured by Neutron Diffraction

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Abstract

Using a specially constructed stress rig which can be accommodated on a neutron diffractometer, the lattice strain response of different lattice planes of samples of mild steel and an α/γ duplex alloy has been measured parallel and perpendicular to the direction of an applied tensile and compressive stress. The results show a variety of interesting phenomena reflecting the effects of elastic and plastic anisotropy.

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References

  1. Allen, A.J., Hutchings, M.T., Windsor, C.G. and Andreani, A., Neutron diffraction methods for the study of residual stress fields. Adv. in Phys., 1985, 34, 445–73.

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  2. Allen, A.J., Bourke, M., Hutchings, M.T., Krawitz, A.D. and Windsor, C G, Neutron diffraction measurements of internal stress in bulk materials:-metal matrix composites. In Residual Stresses in Science and Technology, ed. E. Macherauch and V Hauk, DGM Informationsgesellschaft Verlag, Oberursel, 1987, Vol.1, pp. 151–7.

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  3. Sayers, C.M., The strain distribution in anisotropic polycrystalline aggregates subjected to an external stress field. Phil. Mag. A, 1984, 49, 243–262.

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© 1989 United Kingdom Atomic Energy Authority

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Allen, A.J. et al. (1989). Effects of Elastic Anisotropy on the Lattice Strains in Polycrystalline Metals and Composites Measured by Neutron Diffraction. In: Beck, G., Denis, S., Simon, A. (eds) International Conference on Residual Stresses. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1143-7_10

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  • DOI: https://doi.org/10.1007/978-94-009-1143-7_10

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-7007-2

  • Online ISBN: 978-94-009-1143-7

  • eBook Packages: Springer Book Archive

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