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Titel: Spatially resolved deformation studies on carbon steel employing X-rays and positron annihilation
Autor(en): M. Haaks Person, I. Müller Person, A. Schoeps und H. Franz
Journal: Phys. Status Solidi A
Jahr: 2006
Band: 203
Ausgabe: 4
Seite(n): R31--R33
DOI: 10.1002/pssa.200622063
Datei / URL: http://onlinelibrary.wiley.com/doi/10.1002/pssa.200622063/abstract
Zusammenfassung: Spatially resolved studies on plasticity in a polycrystalline sample of the ferritic carbon steel C45E (ATSI 1045) were performed after deformation in a three-point bending test. The local effects of deformation were investigated by scanning the sample with two different methods: Positron Annihilation Spectroscopy (S-parameter) and Debye-Scherrer diffraction (reflex broadening). A simple relation between the results of both experiments and the true strain over the cross-section of the bent sample is presented in this letter. Comparing the methods a linear correlation between the lattice distortion of a-iron and the defect sensitive positron annihilation parameter is found. (c) 2006 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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