| Al改性HP40合金力学性能的研究 |
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| 引用本文： | 刘致远,王维国,喇培清,曾丽,薛辉军,郝远.Al改性HP40合金力学性能的研究[J].热加工工艺,2007,36(12):15-17. |
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| 作者姓名： | 刘致远 王维国 喇培清 曾丽 薛辉军 郝远 |
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| 作者单位： | 1. 兰州理工大学,材料工程学院,甘肃,兰州,730050;兰州石油化工公司,机械厂,甘肃,兰州,730060
2. 兰州理工大学,材料工程学院,甘肃,兰州,730050 |
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| 摘 要： | 在HP40合金中加入5%～20％的Al替代Ni，进行室温压缩和硬度力学性能试验。结果表明，铝的加入使合金的强度和硬度得到了显著提高。但随着Al含量的提高，由于树枝状（Ni，Fe）Al金属间化合物的析出及增加,使合金的脆性增加。
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| 关 键 词： | HP40合金 力学性能 沉淀强化 |
| 文章编号： | 1001-3814（2007）12-0015-03 |
| 修稿时间： | 2007-04-11 |
Study on Mechanical Properties of HP40 Alloy Modified by Al |
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| LIU Zhi-yuan,WANG Wei-guo,LA Pei-qing,ZENG Li,XUE Hui-jun,HAO Yuan.Study on Mechanical Properties of HP40 Alloy Modified by Al[J].Hot Working Technology,2007,36(12):15-17. |
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| Authors: | LIU Zhi-yuan WANG Wei-guo LA Pei-qing ZENG Li XUE Hui-jun HAO Yuan |
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| Affiliation: | 1.College of Materials,Lanzhou University of Technology, Lanzhou 730050, China; 2.Petroehina Lanzhou Petrochemical Ltd., Lanzhou 730060, China |
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| Abstract: | HP40 alloy replacing Ni with 5%~20% (wt) Al was prepared by vacuum arc melting processing. The tests of normal temperature compression and mechanical properties were carried out.The results show that the strength and hardness of HP40 alloy modified by Al are markedly increased . With Al content increasing, the brittleness of the alloy is increased because dendrite (Ni, Fe)Al phase separates out and coarsens. |
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| Keywords: | (Ni Fe)Al (Ni Fe)3Al |
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