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The influence of γ-fibre texture on the grain boundary character distribution of an IF-steel

journal contribution
posted on 2023-02-15, 01:54 authored by Hossein BeladiHossein Beladi, V Tari, AD Rollett, GS Rohrer
The current study revealed that the development of γ-fibre texture in IF-steel through static recrystallisation alters the distribution of grain boundary misorientations and plane orientations. In the initial transformed condition, the grain boundary plane distribution has a maximum at the (110) orientation. However, as the intensity of the γ-fibre texture increased, the maximum shifted to (111) and intensified. Furthermore, the presence of γ-fibre texture gradually increased the low angle boundary population at the expense of high angle boundaries, leading to a nearly uniform misorientation angle distribution. A calculation of the disorientation distribution assuming random orientations along the γ-fibre showed a flat distribution in the domain from 0 to 60°, consistent with the observations. The presence of γ-fibre texture changed the intensity, but not the shape of the grain boundary distribution at ∑3 = 60°/[111], which displayed maxima at low energy {112} symmetric tilt boundaries.

History

Journal

Scripta Materialia

Volume

222

Article number

ARTN 115042

ISSN

1359-6462

eISSN

1872-8456

Language

English

Publication classification

C1 Refereed article in a scholarly journal

Publisher

PERGAMON-ELSEVIER SCIENCE LTD