| 合金元素和凝固技术对NiAl金属间化合物的影响 |
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| 引用本文： | 周超梅,齐云飞,冯宝全. 合金元素和凝固技术对NiAl金属间化合物的影响[J]. 热处理技术与装备, 2008, 29(1): 6-9 |
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| 作者姓名： | 周超梅 齐云飞 冯宝全 |
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| 作者单位： | 沈阳汽车工业学院,辽宁,沈阳,110015;沈阳汽车工业学院,辽宁,沈阳,110015;沈阳汽车工业学院,辽宁,沈阳,110015 |
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| 摘 要： | 本文介绍了金属间化合物NiAl的合金化与凝固技术的研究现状.介绍了合金化对NiAl的塑性、韧性和强度的影响,以及定向凝固、普通铸造和单晶制备技术对NiAl强度的影响,其中由定向凝固技术制备的NiAl与难熔金属相组成的共晶合金具有良好的高温强度和室温韧性.
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| 关 键 词： | 金属间化合物 NiAl 合金化 凝固技术 |
| 文章编号： | 1673-4971（2008）01-0006-04 |
| 收稿时间： | 2007-12-13 |
| 修稿时间： | 2007-12-13 |
The Effect of Alloy Elements and Solidification Technique on NiAl Intermetallics |
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| ZHOU Chao-mei,QI Yun-fei,FENG Bao-quan. The Effect of Alloy Elements and Solidification Technique on NiAl Intermetallics[J]. Heat Treatment Technology and Equipment, 2008, 29(1): 6-9 |
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| Authors: | ZHOU Chao-mei QI Yun-fei FENG Bao-quan |
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| Abstract: | In this paper, it introduced the existing condition of the alloying and the solidifying technique for NiAl intermetallics, and the effect of the alloying on plasticity, ductility and strength of NiAl, and discusses the effects of directional solidification, common casting and single crystal technique on strength of NiAl . The eutectic alloys composed of NiAl-based and refactory phase prepared by the directional solidification technique possess the high temperature strength and room temperature ductility. |
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| Keywords: | intermetallics NiAl alloying solidifying technique |
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