| 稀土La对5CrMnMo热作模具钢组织和性能的影响 |
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| 引用本文： | 郭洪飞,郝新.稀土La对5CrMnMo热作模具钢组织和性能的影响[J].铸造技术,2007,28(3):295-298. |
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| 作者姓名： | 郭洪飞 郝新 |
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| 作者单位： | 内蒙古工业大学,内蒙古,呼和浩特,010051 |
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| 摘 要： | 在5CrMnMo热作模具钢中分别加入3种不同含量稀土La，研究La对组织及力学性能的影响，并在相同的热处理工艺条件下，与不添加稀土La的3Cr2W8V钢进行对比。结果表明：稀土La加入量在适当的范围内可使组织得到明显细化，强度、硬度、塑性和冲击韧性有显著提高。当稀土La加入量为0．25%时，5CrMnMo钢可获得最好的综合力学性能。
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| 关 键 词： | 稀土La 热作模具钢 细化 力学性能 |
| 文章编号： | 1000-8365(2007)03-0295-04 |
| 修稿时间： | 09 16 2006 12:00AM |
Effect of Lanthanum on Structure and Property of 5CrMnMo Hot Die Steel |
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| GUO Hong-fei,HAO Xin.Effect of Lanthanum on Structure and Property of 5CrMnMo Hot Die Steel[J].Foundry Technology,2007,28(3):295-298. |
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| Authors: | GUO Hong-fei HAO Xin |
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| Affiliation: | Inner Mongolia University of Technology, Huhehaote 010051 |
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| Abstract: | The structure, strength, hardness, plasticity and impact ductility of 5CrMnMo hot work die steel with addition of three different contents of Lanthanum are studied. The mechanical property of 5CrMnMo steel with La addition is compared with that of the 5CrMnMo steel without La addition under the same heat treatment process. The results show that the structure is clearly refined and the structure, strength, hardness, plasticity and impact ductility of 5CrMnMo steel are improved greatly if the La content in the steel is proper. When the La content is 0.25%, the 5CrMnMo steel has the best mechanical property. |
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| Keywords: | Rare-earths Hot work die steel Refinement Mechanical property |
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