利用5 kW连续波CO2激光器对Zn-2%Cu包晶合金进行了表面快速熔凝实验研究,扫描速率从6 mm/s至1207mm/s.随着凝固速率的提高,该合金微观组织形态由低速平界面向层片状组织、浅胞晶直至高速绝对稳定平界面转变.实验结果表明,该合金微观组织演化规律与利用林鑫等的数值模型和Jackson-Hunt的共晶模型相结合所得到的界面响应函数作出的预测结果吻合较好.
参考文献
[1] | Wang M, Lin X, Su Y P, Shen S J, Huang W D. Mater Sci Eng, 2002; 1:111(王猛,林鑫,苏云鹏,沈淑娟,黄卫东.材料科学与工程,2002;1:111) |
[2] | Lee J H, Verhoeven J D. J Cryst Growth, 1994, 144:353 |
[3] | Busse P, Meissen F. Scr Mater, 1997, 36:653 |
[4] | Vandyoussefi M, Kerr H W, Kurz W. Acta Mater, 2000,48:2297 |
[5] | Xu W, Ma D, Feng Y P, Li Y. Scr Mater, 2001, 44:631 |
[6] | Liu Y C, Yang G C, Zhou Y H. J Cryst Growth, 2002,240:603 |
[7] | Singh J. J Mater Sci, 1994, 29:5232 |
[8] | Zimmerman M, Carrad M, Gremaud M, Kurz W. Mater Sci Eng A, 1991, 134:1278 |
[9] | Gill S C, Zimmerman M, Kurz W. Acta Metall Mater,1992, 40:2895 |
[10] | Yang S, Huang W D, Liu W J, Su Y P, Zhou Y H. Chin J Lasers, 2002; 29:475(杨森,黄卫东,刘文今,苏云鹏,周尧和.中国激光,2002;29:475) |
[11] | Kurz W, Fisher D J. Fundamentals of Solidification,Switzerland-Germany-UK-USA, Trans Tech Publications, 1989:305 |
[12] | Lin X, Li Y M, Liu Z X, Li T, Huang W D. Sci Technol Adv Mater, 2001, 2:293 |
[13] | Huang W D, Lin X, Wang M, Shen S J, Su Y P, Liu Z X.Sci Chin, 2002, 45E: 458 |
[14] | Aziz M J. J Appl Phys, 1982, 53:1158 |
[15] | Jackson K A , Hunt J D. Trans Metall Soc AIME, 1996,236:1129 |
[16] | Massalski T B. Binary Alloy Phase Diagram, Metals Park OH: American Society for Metals, 1986:337 |
[17] | Liu H Y, Jones H. Acta Metall Mater, 1992, 40:229 |
[18] | Cahn R W, Haasen P. Physical Metallurgy (4th edn),North-Holland: Amsterdam, 1996:70 |
[19] | Liu Z X, Huang W D, Yang S. Chin J Nonferrous Met,2002; 12:458(刘振侠,黄卫东,杨森.中国有色金属学报,2002;12:458) |
[20] | Wang M, Lin X, Su Y P, Shen S J, Huang W D. Acta Metall Sin, 2002; 38:337(王猛,林鑫,苏云鹏,沈淑娟,黄卫东.金属学报,2002;38: 337) |
[21] | Mullins W W, Sekerka R F. J Appl Phys, 1963, 34:323 |
[22] | Su Y P, Wang M, Lin X, Shen S J, Huang W D. Chin J Nonferrous Met, 2003, 13:1092 |
[23] | Trivedi R, Kurz W. Int Mater Rev, 1994, 3949 |
[24] | Yang S, Su Y P, Liu W J, Huang W D, Zhou Y H. Acta Phys Sin, 2003; 1:81(杨森,苏云鹏,刘文今,黄卫东,周尧和.物理学报,2003;1:81) |
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