ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
Regular Article
Effect of Warm Rolling on the Rolling and Recrystallization Textures of Non-oriented 3% Si Steel
Seil LeeBruno Charles De Cooman
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JOURNALS FREE ACCESS

2011 Volume 51 Issue 9 Pages 1545-1552

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Abstract

The effect of warm rolling in the 50°C–300°C temperature range on the microstructure, stored energy and crystallographic texture of a 3 mass-% Si steel was analyzed. Both rolling and annealing texture were significantly affected by warm rolling. Dynamic strain aging (DSA) was observed in the temperature range 150°C–300°C. The stored energy, ES<hkl>, of <hkl> || ND oriented grains in the steel warm rolled at 200°C was found to decrease in the following order: ES<111> > ES<110> >> ES<100> ≥ ES<112>. A pronounced {110}<001> recrystallization annealing texture was observed in specimens warm rolled in the DSA temperature range. The effect is due to the formation of {110}<001> oriented nuclei in deformation bands occurring in <110> || ND oriented grains after warm rolling. The deformation bands are believed to be caused by the strain localization associated with dynamic strain ageing.

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© 2011 by The Iron and Steel Institute of Japan
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