ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Transformation Texture in Hot-rolled Steel Sheets and Its Quantitative Prediction
Toshiro TomidaMasayuki Wakita
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2012 年 52 巻 4 号 p. 601-609

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Crystallographic textures of ferrite, bainite and martensite in hot-rolled steel sheets are thought to be inherited from developed textures of austenite due to the orientation relationship between austenite and the product phases. However, despite numerous investigations, there is still much difficulty in predicting such transformation textures. In this article, the present state of the prediction of transformation texture in hot-rolled steel as well as a recently proposed method that enables the quantitative prediction of the transformation texture are described. As the orientation relationship is assumed to be fulfilled not only between a nucleating ferrite particle and an adjoining austenite grain but also between the same ferrite and another adjoining austenite grain, the derived variant selection rule can provide us with a remarkable reproduction of the ferritic texture in hot-rolled steel sheets from the texture of prior austenite, and vice versa.

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© 2012 by The Iron and Steel Institute of Japan
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