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| 加热速率对Nb-IF钢退火组织及织构特征的影响 | |
| 引用本文： | 邓峤,侯自勇,燕际军,李建平.加热速率对Nb-IF钢退火组织及织构特征的影响[J].材料与冶金学报,2012,11(1):38-42. |
| 作者姓名： | 邓峤 侯自勇 燕际军 李建平 |
| 作者单位： | 1. 华中科技大学管理学院,武汉,430074 2. 东北大学轧制技术与连轧自动化国家重点实验室,沈阳,110819 3. 本溪钢铁集团公司技术中心,本溪,111700 |
| 基金项目： | 国家自然科学基金(No.50734001);中央高校基本科研业务费资助项目(No.110607004) |
| 摘 要： | 以一种冷轧Nb - IF钢为研究对象,研究了不同加热速率下退火板的微观组织和织构特征.结果表明:当加热速率由10℃/s增加到150℃/s时,再结晶晶粒平均直径由16.72 μm细化到13.8 μm;当加热速率高于100℃/s时,平均晶粒直径变化趋于平缓.试验钢完全再结晶晶粒以大角晶界为主,随加热速率变化,其含量在81.3％～86.9％范围内波动,重位点阵(CSL)含量在34.1％～44.5％之间波动.在快速加热退火和普通加热退火条件下,试验钢均可获得强烈的γ织构,强点密度在f(g)=9.01～ 10.42范围内. |
| 关 键 词： | 退火 加热速率 Nb-IF钢 组织 织构 |
Influence of heating rate on the microstructure and texture of Nb- IF steel sheet |
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| DENG Qiao , HOU Zi-yong , YAN Ji-jun , LI Jian-ping.Influence of heating rate on the microstructure and texture of Nb- IF steel sheet[J].Journal of Materials and Metallurgy,2012,11(1):38-42. | |
| Authors: | DENG Qiao HOU Zi-yong YAN Ji-jun LI Jian-ping |
| Affiliation: | 1.School of Management,Huazhong University of Science and Technology,Wuhan 430074,China; 2.The State Key Laboratory of Rolling and Automation,Northeastern University,Shenyang 110819,China;3.Technology Center, Benxi Iron and Steel Co.Ltd.,Benxi,111700) |
| Abstract: | Microstructure and texture characterization of a cold Nb-IF steel sheet after annealing with different heating rates was investigated.The results reveal that the average grain size is gradually refined from 16.72 μm to 13.8 μm as the heating rate increase from 10 ℃/s to 150 ℃/s;the average grain size is slightly fined when the heating rate is over 100 ℃/s.The high angle boundary range of 81.3%~86.9% and ΣCSL boundaries range of 34.1%~44.5% can be find various with heating rates.The strong γ texture,with a peak value of f(g)=9.01~10.42,can be obtained under conditions of rapid or common heating rate. |
| Keywords: | Annealing heating rate Nb-IF steel microstructure texture |
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