✦ LIBER ✦

Spatially resolved deformation studies on carbon steel employing X-rays and positron annihilation

✍ Scribed by Haaks, Matz ;Müller, Ingo ;Schoeps, Andreas ;Franz, Hermann

Book ID: 105363805
Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 293 KB
Volume: 203
Category: Article
ISSN: 0031-8965
DOI: 10.1002/pssa.200622063

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✦ Synopsis

Abstract

Spatially resolved studies on plasticity in a polycrystalline sample of the ferritic carbon steel C45E (AISI 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 α‐iron and the defect sensitive positron annihilation parameter is found. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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