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首页> 外文期刊>ISIJ international >Development of Recrystallization Texture in Severely Cold-rolled Pure Iron
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Development of Recrystallization Texture in Severely Cold-rolled Pure Iron

机译：严重冷轧纯铁中再结晶织构的发展

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摘要

The mechanism of recrystallization texture development is changed by the chemical composition of materials, cold-rolling reduction, and annealing conditions. This study discusses the development of recrystallization texture for severely cold-rolled pure iron. In cold-rolled iron with 99.8% reduction, the deformation texture was a strong α -fiber (RD// ) with high strain. During annealing in a temperature range from 20°C to 800°C, in this highly strained α -fiber, the microstructure started to recover from a low temperature. Thereafter, recrystallized grains began to appear at 350°C, and many recrystallized grains were generated at random locations. Their textural components were {100}, {211}, {111}, and {411}, which were already included in the α -fiber. At 550°C, recrystallization was completed, and the resulting recrystallization texture was similar to the original cold-rolling texture. This texture was developed by unique microstructural changes, which could be classified as continuous recrystallization. During grain growth stage, the recrystallization texture changed into the {100} component presumably by the selective growth of recrystallized grains governed by the size effect.
机译：材料的化学成分，冷轧压下率和退火条件会改变重结晶织构发展的机理。这项研究讨论了严重冷轧纯铁的再结晶织构的发展。在降低了99.8％的冷轧铁中，变形织构为具有高应变的强α-纤维（RD //）。在20℃至800℃的温度范围内的退火过程中，在这种高度应变的α-纤维中，微观结构开始从低温恢复。此后，在350℃开始出现再结晶晶粒，并且在随机位置产生许多再结晶晶粒。它们的质地成分是{100}，{211}，{111}和{411}，它们已经包含在α-纤维中。在550℃下完成重结晶，并且所得的重结晶织构类似于原始的冷轧织构。这种织构是通过独特的微观结构变化形成的，可以将其归为连续重结晶。在晶粒长大阶段，重结晶织构转变为{100}组分，大概是受尺寸效应控制的重结晶晶粒的选择性生长。

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