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Residual stresses in biaxially fatigued austenitic stainless steel sample of cruciform geometry

: Taran, Yu V.; Balagurov, A.M.; Schreiber, J.; Evans, A.; Venter, A.M.

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Journal of physics. Conference series 340 (2012), Art. 012099
ISSN: 1742-6588
ISSN: 1742-6596
European Conference on Neutron Scattering, ECNS <5, 2011, Prague>
Konferenzbeitrag, Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IZFP, Institutsteil Dresden ( IKTS-MD) ()

A specifically designed cruciform-shaped austenitic stainless steel AISI 321 sample was subjected to ex-situ biaxial tension-compression cycling to establish ferromagnetic martensitic phase conversion under the action of plastic deformation. The time-of-flight neutron diffraction technique was employed for in-plane residual stress determination in this sample for both the austenitic and martensitic phases. The 2D data enabled determination of macro-, micro-, hydro- and deviatoric contributions to the total phase stresses.