Development of Recrystallization Texture in Severely Cold-rolled Pure Iron

Tomita Miho, Inaguma Tooru, Sakamoto Hiroaki, Ushioda Kohsaku

doi:10.2355/tetsutohagane.101.204

The mechanism of recrystallization texture development is changed by the chemical composition of materials, cold-rolling reduction, and annealing treatment conditions. In this paper, we have discussed the development of the recrystallization texture for cold-rolled iron with 99.8% reduction.<br> In cold-rolled iron with 99.8% reduction, the deformation texture was a strong α-fiber (RD//<110>) with high strain. During annealing in a temperature range from 200 to 800˚C, in this highly strained α-fiber, the microstructure started to recover from quite a low temperature. Then recrystallized grains began to appear at 350˚C, and many recrystallized grains were generated at rather random locations. Their textural components were {100}, {211}, {111}, and {411}, which were included in the α-fiber. At 550˚C, recrystallization was completed, and the texture after full recrystallization was similar to that of the cold-rolled iron. This texture developed by unique microstructural changes, which could be classified into continuous recrystallization. The recrystallization texture: α-fiber was changed into the {100}<012> component by selective growth of recrystallized grains following the completion of recrystallization.

Development of Recrystallization Texture in Severely Cold-rolled Pure Iron

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Development of Recrystallization Texture in Severely Cold-rolled Pure Iron

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Abstract

Journal

Citations (6)*help

References(7)*help

Keywords

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