| Ti含量对热轧带钢组织和力学性能的影响 |
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| 引用本文： | 霍向东,毛新平,陈康敏,林振源. Ti含量对热轧带钢组织和力学性能的影响[J]. 钢铁钒钛, 2009, 30(1) |
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| 作者姓名： | 霍向东 毛新平 陈康敏 林振源 |
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| 作者单位： | 1. 江苏大学材料科学与工程学院,江苏,镇江,212013
2. 广州珠江钢铁有限责任公司CSP应用技术研究所,广东,广州,510730 |
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| 基金项目： | 江苏大学科研启动基金 |
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| 摘 要： | 以普通集装箱板的成分为基础,在CSP生产线上成功开发出Ti微合金化高强度钢,采用扫描电镜、透射电镜、化学相分析等实验手段研究了Ti含量对带钢组织和性能的影响.结果表明:Ti含量变化对铁素体晶粒尺寸影响不大;随钢中Ti含量增加,TiN粒子的尺寸增大,TiC的体积分数增加,而TiC粒子的平均尺寸减小.在Ti含量为0.106%的钢中发现大量尺寸小于5 nm的细小析出物,正是这些析出物的沉淀强化作用显著提高了钢的强度.
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| 关 键 词： | 微合金钢 沉淀强化 碳化钛 力学性能 晶粒细化 |
Influence of Titanium Content on Microstructure and Mechanical Properties of Hot-roHed Strips |
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| Huo Xiangdong,Mao Xinping,Chen Kangmin,Lin Zhenyuan. Influence of Titanium Content on Microstructure and Mechanical Properties of Hot-roHed Strips[J]. Iron Steel Vanadium Titanium, 2009, 30(1) |
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| Authors: | Huo Xiangdong Mao Xinping Chen Kangmin Lin Zhenyuan |
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| Affiliation: | 1.School of Material Science and Engineering;Jiangsu University;Zhenjiang 212013;Jiangsu;China;2.CSP Applying Technology Research Institute of GISE;Guangzhou 510730;Guangdong;China |
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| Abstract: | Based on chemical composition of common container strips,titanium micro-alloyed high strength steel was developed by CSP process.Many experimental methods,such as SEM,TEM and chemical phase analysis,were used to study the effect of titanium content on microstructure and mechanical properties of hotrolled strips.The results summarized as follows,titanium content had no obvious influence on ferrite groin size of steel.With titanium content increasing in steel,titanium nitrides coarsened and the volume fractio... |
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| Keywords: | micro-alloyed steels precipitation hardening titanium carbides mechanical properties grain refinement |
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