Texture Development during Dynamic Recrystallization in Hot-deformed Fe-40 at percent Al Alloy

T. SAKATA; H. KOHMA; H. YASUDA

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Texture Development during Dynamic Recrystallization in Hot-deformed Fe-40 at percent Al Alloy

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Microstructure and crystal orientation distribution in hot-compressed Fe-40 at percent Al alloy were investigated using an electron back-scatter diffraction pattern technique. After the hot deformation, grain boundaries became more serrated with increasing tested temperature or decreasing strain rate, i.e., decreasing the Zener-Hollomon parameter (Z). Equiaxed fine grains surrounded by high angle boundaries were homogeneously formed due to dynamic recrystallization accompanied by serrated grain boundaries during hot deformation at lower Z. Moreover, strong fiber texture parallel to the compressive axis developed at larger strains because of the lattice rotation during hot deformation, which was good agreement with the stable orientation calculated by Taylor model. The microstructural factors which established the mechanism of texture evolution during dynamic recrystallization were examined focusing on the Z parameter.

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来源
《ISIJ International》 |2002年第8期|903-909|共7页
作者
T. SAKATA; H. KOHMA; H. YASUDA;
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作者单位

Department of Materials Science and Engineering & Frontier Research Center, Graduate School of Engineering, Osaka University, Yamada-oka, Suita, Osaka 565-0871 Japan;

artners.org;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类黑色金属材料;钢铁冶炼（黑色金属冶炼）（总论）;
关键词
iron aluminides (based on FeAl); hot deformation; dynamic recrystallization; lattice rotation; texture; Zener-Hollomon parameter;

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Texture Development during Dynamic Recrystallization in Hot-deformed Fe-40 at percent Al Alloy

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