| 微合金化对高碳钢成分偏析影响的实验室研究 |
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| 引用本文： | 王萍,黄贞益. 微合金化对高碳钢成分偏析影响的实验室研究[J]. 中国冶金, 2007, 17(6): 24-24 |
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| 作者姓名： | 王萍 黄贞益 |
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| 作者单位： | 安徽工业大学材料科学与工程学院，安徽 马鞍山 243002 |
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| 基金项目： | 安徽省教育厅自然科学基金 |
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| 摘 要： | 以铬微合金化为基础，主要研究钒、铌、钛及其交互作用对高碳铸坯宏观组织、凝固偏析的影响，为微合金元素应用于高碳钢提供实验依据。实验表明，铌在加入量范围内对枝晶有强烈的细化作用，显著影响碳偏析，随铌量的增加则碳偏析减小；钒一元微合金化，钒、铌二元微合金化，钒、铌、钛三元微合金化，随钒量的增加则碳偏析明显减小；钛在加入量范围内对碳偏析影响不明显，但却能明显减轻锰的偏析；钒、铌、钛在不同程度上均可减轻锰、硅、硫的偏析。
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| 关 键 词： | 高碳钢 微合金 细化 偏析 |
| 文章编号： | 1006-9356（2007）06-0024-06 |
| 修稿时间： | 2006-12-15 |
Research on Microalloying for Improving Segregation of High-Carbon Steel in Lab |
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| WANG Ping,HUANG Zhen-yi. Research on Microalloying for Improving Segregation of High-Carbon Steel in Lab[J]. China Metallurgy, 2007, 17(6): 24-24 |
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| Authors: | WANG Ping HUANG Zhen-yi |
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| Affiliation: | School of Material Science and Engineering, Anhui University of Technology, Ma’anshan 243002, Anhui, China |
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| Abstract: | Based on Cr microalloying，the influence of V、Nb、Ti and their interactions on casting blank macrostructure and segregation were researched．The results show that Nb has great influence on the refinement of dendrite ,which obviously influences carbon segregation in the range of addition，reducing carbon segregation with the increase of Nb addition. In V microalloying、V Nb microalloying and V Nb Ti microalloying，carbon segregation evidently reduces with the increase of V addition. Ti hasn’t apparent influence on carbon segregation in the range of addition，but obviously reduces Mn segregation. To some extent V、Nb and Ti reduce Mn、Si and S segregation． |
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| Keywords: | high-carbon steel microalloy refinement segregation |
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