| Bainite Transformation of Low-carbon and Boron-containing Steel under Continuous Cooling |
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| 引用本文： | Zhi-hong ZHANG,Xiang-xin XUE.Bainite Transformation of Low-carbon and Boron-containing Steel under Continuous Cooling[J].钢铁研究学报(英文版),2014,21(3):359-363. |
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| 作者姓名： | Zhi-hong ZHANG Xiang-xin XUE |
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| 基金项目： | Sponsored by National High-tech Research and Development Program(863Program) of China(2006AA03Z529) |
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| 摘 要： | The effects of deformation temperature and strain on bainite transformation of low carbon steel and boroncontaining steel were investigated under continuous cooling conditions by means of dilatometric measurement and microstructure observation.The results show that with decreasing the deformation temperature from 1 000to 800 ℃and increasing strains,bainite start temperature for boron-containing low carbon steel increases,whereas it decreases for low carbon steel under the same condition.The bainite microstructures are easily obtained for boron-containing steel deformed at different temperatures and different strains compared with plain low carbon steel.With increasing the continuous cooling rate,the bainite start temperature under deformed condition is about 20 ℃ higher than that under undeformed condition for boron-containing steel,but it changes slightly when the cooling rate is 20℃/s or more.
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| 关 键 词： | 贝氏体转变 连续冷却 低碳钢 含硼钢 变形温度 冷却速度 贝氏体相变 贝氏体组织 |
| 收稿时间： | 11 July 2012 |
Bainite Transformation of Low-carbon and Boron-containing Steel under Continuous Cooling |
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| Zhi-hong ZHANG,Xiang-xin XUE,.Bainite Transformation of Low-carbon and Boron-containing Steel under Continuous Cooling[J].Journal of Iron and Steel Research,2014,21(3):359-363. |
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| Authors: | Zhi-hong ZHANG Xiang-xin XUE |
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| Affiliation: | [1]Institute of Metallurgical Resources and Environmental Engineering, Northeastern University, Shenyang 110819, Liaoning, China [2]Liaoning Key Laboratory of Metallurgical Resources Circulation Science, Shenyang 110819, Liaoning, China [3]Liaoning Engineering Technology Research Center of Comprehensive Utilization of Boron Resources, Shenyang 110819, Liaoning, China [4]Liaoning University Key Laboratories of Ecological Utilization Technology of Boron Resources and Boron Materials, Shenyang 110819, Liaoning, China |
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| Abstract: | The effects of deformation temperature and strain on bainite transformation of low carbon steel and boron-containing steel were investigated under continuous cooling conditions by means of dilatometric measurement and microstructure observation. The results show that with decreasing the deformation temperature from 1000 to 800 ℃ and increasing strains, bainite start temperature for boron-containing low carbon steel increases, whereas it decreases for low carbon steel under the same condition. The bainite microstructures are easily obtained for boron-containing steel deformed at different temperatures and different strains compared with plain low carbon steel. With increasing the continuous cooling rate, the bainite start temperature under deformed condition is about 20 ℃ higher than that under undeformed condition for boron-containing steel, but it changes slightly when the cooling rate is 20 ℃/s or more. |
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| Keywords: | bainite start temperature boron-containing steel phase transformation bainite |
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