| 非调质钢中钛脱氧产物析出行为 |
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| 引用本文： | 宋波, 毛璟红, 王福明, 罗志涛, 杨颖, 杨占兵. 非调质钢中钛脱氧产物析出行为[J]. 工程科学学报, 2006, 28(3): 242-247. DOI: 10.13374/j.issn1001-053x.2006.03.009 |
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| 作者姓名： | 宋波 毛璟红 王福明 罗志涛 杨颖 杨占兵 |
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| 作者单位： | 北京科技大学冶金与生态学院,北京,100083;北京科技大学材料学院,北京,100083 |
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| 基金项目： | 高等学校博士学科点专项科研基金 |
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| 摘 要： | 从氧化物冶金的观点从发,利用扫描电镜和图像分析仪研究了非调质钢加钛脱氧后钢液中夹杂物的形貌、组成和尺寸分布以及孕育时间对夹杂的影响,并考察了加钛前后钢的组织变化．结果表明：钛的脱氧产物都可成为硫化锰夹杂的形核核心；此类夹杂物呈细小弥散析出,适当的孕育时间可使夹杂细化；加钛后,钢的组织细化．
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| 关 键 词： | 氧化物冶金 非调质钢 夹杂物 尺寸分布 |
| 收稿时间： | 2005-06-07 |
| 修稿时间： | 2005-09-06 |
Precipitation behavior of Ti-deoxidized products in non-quenched and tempered steel |
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| SONG Bo, MAO Jinghong, WANG Fuming, LUO Zhitao, YANG Ying, YANG Zhanbing. Precipitation behavior of Ti-deoxidized products in non-quenched and tempered steel[J]. Chinese Journal of Engineering, 2006, 28(3): 242-247. DOI: 10.13374/j.issn1001-053x.2006.03.009 |
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| Authors: | SONG Bo MAO Jinghong WANG Fuming LUO Zhitao YANG Ying YANG Zhanbing |
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| Abstract: | SEM and image analysis technique were used to investigate the morphology, chemical composition and size distribution of inclusions and the effect of holding time on the size distribution of inclusions in a non-quenched and tempered steel deoxidized by Ti. The results showed that the deoxidation product of Ti in liquid steel could become the nucleus of MnS in solidification of liquid steel. After adding Ti, inclusions in the steel were finely distributed. A proper holding time could make inclusions fine. The grains were fine after adding Ti in the steel. |
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| Keywords: | oxide metallurgy non-quenched and tempered steel oxide inclusion size distribution |
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