Effect of Twinning on Microstructural Evolution During Dynamic Recrystallisation of Hot Deformed As-Cast Austenitic Stainless Steel

Guria, A and Mandal, G K and Hodgson, Peter and Beynon, John H and Ghosh Chowdhury, S (2015) Effect of Twinning on Microstructural Evolution During Dynamic Recrystallisation of Hot Deformed As-Cast Austenitic Stainless Steel. Metallurgical and Materials Transactions A, 46(10). pp. 4423-4428.

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Abstract

An as-cast austenitic stainless steel was hot deformed at 1173 K, 1223 K, and 1373 K (900 degrees C, 950 degrees C, and 1100 degrees C) to a strain of 1 with a strain rate of 0.5 or 5 s(-1). The recrystallised fraction is observed to be dependent on dynamic recrystallisation (DRX). DRX grains nucleated at the initial stages of recrystallization have similar orientation to that of the deformed grains. With increasing deformation, Cube texture dominates, mainly due to multiple twinning and grain rotation during deformation.

Item Type: Article
Uncontrolled Keywords: Single-crystals; texture development; deformation; 304-stainless-steel; working
Subjects: Materials Science
Metallurgy
Divisions: Metal Extraction and Forming
Material Science and Technology
Depositing User: Dr. A K Sahu
Date Deposited: 06 Oct 2015 11:08
Last Modified: 06 Oct 2015 11:08
URI: http://eprints.nmlindia.org/id/eprint/7323

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