| 稀土La添加量对预合金铁基胎体性能的影响 |
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| 引用本文： | 沈立娜,阮海龙,吴海霞,贾美玲,欧阳志勇.稀土La添加量对预合金铁基胎体性能的影响[J].探矿工程,2012,39(4):69-71. |
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| 作者姓名： | 沈立娜 阮海龙 吴海霞 贾美玲 欧阳志勇 |
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| 作者单位： | 北京探矿工程研究所,北京100083 |
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| 摘 要： | 通过分析不同稀土La添加量对铁基胎体烧结性能的影响,指出在本试验使用预合金粉末和烧结条件下,当La添加量为0.1%时,胎体材料的综合力学性能最好。此外,适量的稀土La加入铁基胎体粉末后可以改善粉末分布的均匀性,提高金属胎体对金刚石的包镶能力。
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| 关 键 词： | 稀土 金刚石钻头 铁基胎体 |
| 收稿时间： | 2011/10/16 0:00:00 |
| 修稿时间： | 2012/2/23 0:00:00 |
Influence of La Addition on the Properties of Pre-alloyed Fe-based Matrix Material |
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| SHEN Li-n,RUAN Hai-long,WU Hai-xi,JIA Mei-ling and OUYANG Zhi-yong.Influence of La Addition on the Properties of Pre-alloyed Fe-based Matrix Material[J].Exploration Engineering(Drilling & Tunneling),2012,39(4):69-71. |
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| Authors: | SHEN Li-n RUAN Hai-long WU Hai-xi JIA Mei-ling and OUYANG Zhi-yong |
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| Affiliation: | SHEN Li-na,RUAN Hai-long,WU Hai-xia,JIA Mei-ling,OUYANG Zhi-yong(Beijing Institute of Exploration Engineering,Beijing 100083,China) |
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| Abstract: | Under some fixed sintering temperatures,the effects on the sintering properties and microstructures of Re（La） content in Fe-based matrix were studied.The optimum mechanical properties of Fe-based matrix were attained at the La content of 0.1%.The distribution of matrix and the retention of diamond in matrix were also improved with proper La addition. |
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| Keywords: | rare earth diamond bit Fe-based matrix |
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