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Grain size effect on behaviour and microstructure of a warm deformed Ti-IF steel

journal contribution
posted on 2003-06-15, 00:00 authored by A Oudin, Matthew BarnettMatthew Barnett, Peter HodgsonPeter Hodgson
The effect of grain size on the deformation behaviour in the fenite region of a Titanium stabilized Interstitial Free steel was investigated by hot torsion. The initial work hardening regime is followed by a softening regime where a broad peak stress develops. The peak stress and the stress at final strain were relatively insensitive to grain size. However, at low values of the Zener-Hollomon parameter, the strain to the peak stress was strongly dependent on the grain size. A series of microstructural parameters were examined to explain these observations.

History

Journal

Materials science forum

Volume

426

Issue

432

Pagination

1279 - 1284

Publisher

Trans Tech Publications

Location

Aedermannsdorf, Switzerland

ISSN

0255-5476

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2003, Trans Tech Publications