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金属学报  2014 

工艺参数对电磁冷坩埚定向凝固Nb-Si基合金固液界面的影响

DOI: 10.11900/0412.1961.2013.00835, PP. 1039-1045

Keywords: 电磁冷坩埚定向凝固,失稳度,固液界面,工艺参数,一次枝晶臂间距,二次枝晶臂间距

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Abstract:

采用电磁冷坩埚定向凝固技术研究了加热功率、抽拉速率和保温时间对Nb-22Ti-16Si-3Cr-3Al-2Hf(原子分数,%)合金固液界面的影响.采用正交实验制备合金试样.结果表明,延长保温时间、减小抽拉速率和提高加热功率有利于保持固液界面的宏观形态为平界面.随着抽拉速率的增加,初生Nb固溶体(Nbss)一次枝晶臂间距和二次枝晶臂间距逐渐减小;随着加热功率的增加,初生Nbss一次枝晶臂间距和二次枝晶臂间距逐渐增加;随着保温时间的延长,初生Nbss一次枝晶臂间距和二次枝晶臂间距先增大后减小.增大抽拉速率、减小加热功率和缩短保温时间有利于一次枝晶臂间距和二次枝晶臂间距的细化.

References

[1]  Bewlay B P, Jackson M R, Zhao J C, Subramanian P R, Mendiratta M G, Lewandowski J J. MRS Bull, 2003; 28: 646
[2]  Bewlay B P, Jackson M R, Zhao J C, Subramanian P R. Metall Mater Trans, 2003; 34A: 2043
[3]  Subramanian P, Mendiratta M, Dimiduk D. JOM, 1996; 48: 33
[4]  Bewlay B P, Jackson M R, Lipsitt H A. Metall Mater Trans, 1996; 27A: 3801
[5]  Mendiratta M G, Lewandowski J J, Dimiduk D M. Metall Trans, 1991; 22: 1573
[6]  Li Y L, Ma C L, Zhang H, Miura S. Mater Sci Eng, 2011; A528: 5772
[7]  Tian Y X, Guo J T, Cheng G M, Sheng L Y, Zhou L Z, He L L, Ye H Q. Mater Des, 2009; 30: 2274
[8]  Sekido N, Kimura Y, Miura S, Wei F G, Mishima Y. J Alloys Compd, 2006; 425: 223
[9]  Sha J B, Hirai H, Tabaru T, Kitahara A, Ueno H, Hanada S. Metall Mater Trans, 2003; 34A: 85
[10]  Bewlay B P, Jackson M R, Lipsitt H A. J Phase Equilib, 1997; 18: 264
[11]  Guan P, Guo X P, Ding X, Zhang J, Gao L, Kusabiraki K. Acta Metall Sin (Engl Lett), 2004; 17: 450
[12]  Guo X P, Gao L M. J Aeron Mater, 2006; 26(3): 47 (郭喜平, 高丽梅. 航空材料学报, 2006; 26(3): 47)
[13]  Kang Y W. PhD Dissertation, Beijing Institute of Aeronautical Materials, 2008 (康永旺. 北京航空材料研究院博士学位论文, 2008)
[14]  Wu M L, Wang Y Y, Li S S, Jiang L W, Han Y F. Int J Mod Phys, 2010; 24B: 2964
[15]  Kim W Y, Tanaka H, Kasama A, Hanada S. Intermetallics, 2001; 9: 827
[16]  Sekito Y, Miura S, Ohkubo K, Mohri T, Sakaguchi N, Watanabe S, Kimura Y, Mishima Y. Mater Res Soc Symp Proc, 2009; 1128: 38
[17]  Guo H S, Guo X P. Scr Mater, 2011; 64: 637
[18]  Yao C F, Guo X P, Guo H S. Acta Metall Sin, 2008; 44: 579 (姚成方, 郭喜平, 郭海生. 金属学报, 2008; 44: 579)
[19]  He Y S, Guo X P, Guo H S, Sun Z P. Acta Metall Sin, 2009; 45: 1035 (何永胜, 郭喜平, 郭海生, 孙志平. 金属学报, 2009; 45: 1035)
[20]  Wang Y, Guo X P. Acta Metall Sin, 2010; 46: 506 (王 勇, 郭喜平. 金属学报, 2010; 46: 506)
[21]  Yan Y C, Ding H S, Kang Y W, Song J X. Mater Des, 2014; 55: 450
[22]  Yan Y C, Ding H S, Song J X. Proc Eng, 2012; 27: 1033
[23]  Nie G, Ding H S, Chen R R, Guo J J, Fu H Z. Mater Des, 2012; 39: 350
[24]  Ding H S, Nie G, Chen R R, Guo J J, Fu H Z. Mater Des, 2012; 41: 108
[25]  Li Y Y, Hu C R. Experiment Design and Data Processing. 2nd Ed., Beijing: Chemical Industry Press, 2008: 124 (李云雁, 胡传荣. 试验设计与数据处理. 第二版, 北京: 化学工业出版社, 2008: 124)
[26]  Wang Y L, Guo J J, Fu H Z. J Harbin Inst Technol, 2008; 40: 1808 (王艳丽, 郭景杰, 傅恒志. 哈尔滨工业大学学报, 2008; 40: 1808)
[27]  Zhou Y H, Hu Z Q, Jie W Q. Solidification Technology. Beijing: Machinery Industry Press, 1998: 155 (周尧和, 胡壮麒, 介万齐. 凝固技术. 北京: 机械工业出版社, 1998: 155)
[28]  Hu H Q. Metal Solidification Principle. 2nd Ed., Beijing: Machinery Industry Press, 2007: 108 (胡汉起. 金属凝固原理. 第二版, 北京: 机械工业出版社, 2007: 108)

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