| Cr-Mn-Ti系齿轮钢添加硼元素的试验研究 |
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| 引用本文： | 申景霞,孙永喜,李法兴,余德河,张君平,石军强.Cr-Mn-Ti系齿轮钢添加硼元素的试验研究[J].钢铁,2012,47(1):24-27. |
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| 作者姓名： | 申景霞 孙永喜 李法兴 余德河 张君平 石军强 |
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| 作者单位： | 1. 北京科技大学冶金与生态工程学院， 北京 100083 2. 莱芜钢铁股份有限公司特钢事业部， 山东 莱芜 271105 |
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| 摘 要： | 采用电弧炉冶炼→LF炉精炼→VD炉真空精炼→方坯连铸→轧机轧制工艺流程，对Cr-Mn-Ti系齿轮钢添加微量硼进行了对比试验研究。每炉钢水量50～52t，硼的质量分数在0.0008%～0.0010%范围内，铸坯规格260mm×300mm，轧制成130mm的圆钢进行对比试验。试验结果表明，保持Cr-Mn-Ti系齿轮钢主体成分基本不变或锰、铬含量适当降低的情况下，添加微量硼元素，可稳定和显著提高其淬透性。
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| 关 键 词： | 关键词：Cr-Mn-Ti系齿轮钢 硼 组织 淬透性 |
| 收稿时间： | 2011-04-08 |
Experimental Study on Adding Boron in Cr-Mn-Ti Gear Steel |
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| SHEN Jing-xia,SUN Yong-xi,LI Fa-xing,YU De-he,ZHANG Jun-ping,SHI Jun-qiang.Experimental Study on Adding Boron in Cr-Mn-Ti Gear Steel[J].Iron & Steel,2012,47(1):24-27. |
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| Authors: | SHEN Jing-xia SUN Yong-xi LI Fa-xing YU De-he ZHANG Jun-ping SHI Jun-qiang |
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| Affiliation: | 1. School of Metallugical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China 2. Special Steel Business Unit, Laiwu Iron and Steel Co., Ltd., Laiwu 271105, Shandong, China |
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| Abstract: | Effect of boron on the properties of Cr-Mn-Ti gear steel produced by the process routing of EAF-LF-VD-bloom continuous casting-rolling was investigated.Tapping weight was 50 t to 52 t,the boron content was in the range of 0.000 8% to 0.001 0%,billet with size of 260 mm×300 mm was rolled to round steel with 130 mm for the contrast experiments.The experimental results show that the hardenability of Cr-Mn-Ti gear steel added trace boron is improved when main components of steel is kept unchanged,or the content of Mn,Cr is decreased befittingly. |
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| Keywords: | Cr-Mn Ti gear steel boron structure hardenability |
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