| 铌-硅基超高温合金定向凝固及相组成的热力学研究进展 |
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| 引用本文： | 程欢欢,郭喜平. 铌-硅基超高温合金定向凝固及相组成的热力学研究进展[J]. 材料导报, 2011, 25(17): 110-115 |
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| 作者姓名： | 程欢欢 郭喜平 |
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| 作者单位： | 西北工业大学凝固技术国家重点实验室,西安,710072 |
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| 基金项目： | 国家自然科学基金(51071124); 博士点基金(20096102110012) |
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| 摘 要： | 铌-硅基超高温合金作为有望在1200℃以上温度使用的结构材料而受到广泛研究。综述了铌-硅基超高温合金中合金化元素的作用以及熔体过热处理技术在该合金定向凝固中的应用,并评述了对铌-硅基多元合金相组成等的热力学研究进展。
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| 关 键 词： | 铌-硅基超高温合金 合金化 定向凝固 熔体过热处理 热力学模拟 |
Research Progress in the Directional Solidification and Thermodynamic Modeling of the Constitute Phases of Nb-Si Based Multi-component Ultrahigh Temperature Alloys |
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| CHENG Huanhuan,GUO Xiping. Research Progress in the Directional Solidification and Thermodynamic Modeling of the Constitute Phases of Nb-Si Based Multi-component Ultrahigh Temperature Alloys[J]. Materials Review, 2011, 25(17): 110-115 |
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| Authors: | CHENG Huanhuan GUO Xiping |
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| Affiliation: | CHENG Huanhuan,GUO Xiping(State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi'an 710072) |
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| Abstract: | Nb-Si based ultrahigh-temperature alloys have been investigated extensively for applications as structural materials at temperatures above 1200℃.A review of the alloying effects and the application of melt superheat treatment in the directional solidification of Nb-Si based ultrahigh-temperature alloy is presented,and furthermore,the thermodynamic modeling works about the constitute phases of Nb-Si based multi-component systems have also been summarized. |
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| Keywords: | Nb-Si based ultrahigh-temperature alloy alloying directional solidification melt superheat treatment thermodynamic modeling |
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