| 变形制度对低碳锰钢组织性能的影响 |
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| 引用本文： | 李龙,唐正友,丁桦,杜林秀,宋红梅,郑芳.变形制度对低碳锰钢组织性能的影响[J].材料科学与工艺,2009,17(3):373-376,380. |
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| 作者姓名： | 李龙 唐正友 丁桦 杜林秀 宋红梅 郑芳 |
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| 作者单位： | 李龙,唐正友,丁桦,LI Long,TANG Zheng-you,DING Hua(东北大学,材料与冶金学院,沈阳,110004);杜林秀,DU Linxiu(东北大学轧制技术及连轧自动化国家重点实验室,沈阳,110004);宋红梅,郑芳,SONG Hong-mei,ZHENG Fang(宝钢集团公司,技术中心,上海,201900) |
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| 基金项目： | 国家自然科学基金和上海宗钢集团公司联合资助重点项目 |
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| 摘 要： | 为了获得细晶铁素体/贝氏体的复相组织,通过控轧控冷工艺研究了低碳锰钢在奥氏体区变形时变形量、终轧温度和卷取温度对组织演变和力学性能的影响规律.研究表明,增加变形量(对应道次间隔时间缩短)可以细化铁素体晶粒,但当终轧温度降低到800℃时,变形量的增加以及开冷温度的降低不利于贝氏体组织的获得.通过调整变形量、终轧温度、可开冷温度并适当降低卷取温度,可使实验钢获得晶粒尺寸约为5μm的铁素体和10%~20%的贝氏体组织,低碳锰钢强塑性能良好.
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| 关 键 词： | 低碳锰钢 变形量 终轧温度 贝氏体 力学性能 |
Influences of deformation parameters on microstructures and mechanical properties of low carbon manganese steel |
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| LI Long,TANG Zheng-you,DING Hua,DU Lin-xiu,SONG Hong-mei,ZHENG Fang.Influences of deformation parameters on microstructures and mechanical properties of low carbon manganese steel[J].Materials Science and Technology,2009,17(3):373-376,380. |
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| Authors: | LI Long TANG Zheng-you DING Hua DU Lin-xiu SONG Hong-mei ZHENG Fang |
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| Affiliation: | LI Long1,TANG Zheng-you1,DING Hua1,DU Lin-xiu2,SONG Hong-mei3,ZHENG Fang3 (1.School of Materials , Metallurgy,Northeastern University,Shenyang 110004,China,2.The State Key Lab.of Rolling , Automation of Northeastern University,3.Baosteel Technology Center,Baoshan Iron& Steel Group Co.,Shanghai 201900,China) |
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| Abstract: | In order to obtain the fine-grained ferrite/bainite duplex microstructure,influences of deformation amount,finish rolling temperature and coiling temperature on microstructures and mechanical properties of low carbon manganese steel were studied by thermo-mechanical controlled process(TMCP) experiments.The results indicate that the increase in deformation amount refines the ferrite grain but retards the formation of bainite at the finish rolling temperature of 800 ℃.The ferrite grain size of about 5 μm and 10%~20% bainite can be gained by optimizing the deformation amount,finish rolling temperature,accelerating the cooling temperature and decreasing the coiling temperature.Good mechanical properties for low carbon manganese steel are obtained as well. |
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| Keywords: | low carbon manganese steel deformation amount finish rolling temperature bainite mechanical property |
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