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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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ZnxAl100-x合金快凝过程中微结构演变特性的分子动力学模拟
DOI: 10.3724/SP.J.1037.2012.00064, PP. 907-914
Keywords: 液态Zn--Al合金,？,快速凝固,？,分子动力学模拟,团簇结构
Abstract:
采用分子动力学方法对液态ZnxAl100-x(x=25,50,75)合金的快速凝固过程进行了模拟,并通过键型指数与原子团类型指数表征和分析了凝固过程中熔体微观结构的演变特性.结果表明,在冷速1×1012K/s下,3种成分的Zn-Al合金都形成了以1551键对和二十面体(12012000)基本原子团为主体的非晶结构,并且在玻璃转变温度Tg附近熔体中1551键对和二十面体基本原子团的数目最多;随Zn含量增加,合金玻璃转变温度Tg、非晶形成能力和化学短程序参数降低.对应不同成分的合金,Zn和Al呈现不同程度的偏聚与团簇化趋势.
| [1] | Honeycutt J D, Andersen H C. J Phys Chem, 1987; 91: 4950
|
| [2] | Liu R S, Dong K J, Tian Z A, Liu H R, Peng P, Yu A B. J Phys: Condens-Matter, 2007; 19: 196103
|
| [3] | Liu R S, Qi D W, Wang S. Phys Rev, 1992; 45B: 451
|
| [4] | Li H, Bian X F, Wang G H. Mater Sci Eng, 2001; A298: 245
|
| [5] | Sproul W D. Science, 1996; 237: 889
|
| [6] | Kumar R, Sivaramakrishnan C S. J Mater Sci, 1969; 4: 1008
|
| [7] | Zhu Y H, Murphy S, Yeung C F. J Mater Process Technol, 1999; 94: 78
|
| [8] | Zhu Y H, Man H C, Lee W B. J Mater Process Technol, 2003; 139: 296
|
| [9] | Zhang L, Xu S N, Zhang C B, Qi Y. Acta Metall Sin, 2008; 44: 1101
|
| [10] | (张林, 徐送宁, 张彩碚, 祁阳. 金属学报, 2008; 44: 1101)
|
| [11] | Zhao Y, Zhao J Z, Hu Z Q. Acta Metall Sin, 2008; 44: 1157
|
| [12] | (赵毅, 赵九洲, 胡壮麟. 金属学报, 2008; 44: 1157)
|
| [13] | Wang R S, Hou H N, Chen G L. Acta Metall Sin, 2009; 45: 692
|
| [14] | (王荣山, 侯怀宁, 陈国良, 金属学报, 2009; 45: 692)
|
| [15] | Li H, Bian X F, Zhang J X. Mater Sci Eng, 1999; A271: 116
|
| [16] | Fang H Z, Hui X, Chen G L, Liu Z K. Appl Phys Lett, 2009; 94: 091904
|
| [17] | Chen Y Q, Ma E, Sheng H W. Phys Rev Lett, 2009; 102: 245501
|
| [18] | Liu R S, Dong K J, Li J Y, Yu A B, Zou R P. J Non-Cryst Solids, 2005; 351: 612
|
| [19] | Liu R S, Li J Y, Dong K J, Zheng C X, Liu H R. Mater Sci Eng, 2002; B94: 141
|
| [20] | Zhang H T, Liu R S, Hou Z Y, Zhang A L, Chen X Y, Du S H. Acta Phys Sin, 2006; 55: 2409
|
| [21] | (张海涛, 刘让苏, 侯兆阳, 张爱龙, 陈晓莹, 杜生海. 物理学报, 2006; 55: 2409)
|
| [22] | Zhou L L, Liu R S, Hou Z Y, Tian Z A, Lin Y, Liu Q H.Acta Phys Sin, 2008; 57: 3653
|
| [23] | (周丽丽, 刘让苏, 侯兆阳, 田泽安, 林艳, 刘全慧. 物理学报, 2008; 57: 3653)
|
| [24] | Liang Y C, Liu R S, Zhu X M, Zhou L L, Tian Z A, Liu Q H. Acta Phys Sin, 2010; 59: 7930
|
| [25] | (梁永超, 刘让苏, 朱轩民, 周丽丽, 田泽安, 刘全慧. 物理学报, 2010; 59: 395)
|
| [26] | Wang S, Lai S K. J Phys, 1980; 10F: 2717
|
| [27] | Li D H, Li X R, Wang S. J Phys, 1986; 16F: 309
|
| [28] | Wang L, Bian X F, Han X F. J At Mol Phys, 2000; 17: 448
|
| [29] | (王丽, 边秀房, 韩秀峰. 原子与分子物理学报, 2000; 17: 448)
|
| [30] | Bian X F, Sun B A, Hu L N, Jia Y B. Phys Lett, 2005; 335A: 61
|
| [31] | Bian X F, Guo J, Lv X Q, Qin X B, Wang C D. Appl Phys Lett, 2007; 91: 221910
|
| [32] | Wendt H R, Abraham F F. Phys Rev Lett, 1978; 41: 1244
|
| [33] | Turnbull D. Contemp Phys, 1969; 10; 473
|
| [34] | Wang D, Li Y, Sun B B, Sui M L, Lu K, Ma E. Appl Phys Lett, 2004; 84: 4029
|
| [35] | Xu D H, Lohwongwatana B, Duan G, Johnson W L, Garland C. Acta Mater, 2004; 52: 2621
|
| [36] | Gao T H, Liu R S, Zhou L L, Tian Z A, Xie Q. Acta Phys Chim Sin, 2009; 25: 2093
|
| [37] | (高廷红, 刘让苏, 周丽丽, 田泽安, 谢泉. 物理化学学报, 2009; 25: 2093)
|
| [38] | Qi D W, Wang S. Phys Rev, 1991; 44B: 884
|
| [39] | Hirata A, Guan P F, Fujita T, Hirotsu Y, Inoue A, Yavari A R, Sakurai T, Chen M W. Nat Mater, 2010; 10: 28
|
| [40] | Hou Z Y, Liu L X, Liu R S, Tian Z A, Wang J G. J Appl Phys, 2010; 107: 083511
|
| [41] | Sheng H W, Lou W K, Alamgir F M, Bai J M, Ma E. Nature, 2006; 439: 419
|
| [42] | He J H, Ma E. Phys Rev, 2001; 64B: 144206
|
| [43] | Dai X D, Li H J, Guo B, Liu B X. J Appl Phys, 2007; 101: 063512
|
| [44] | Yao Y B. Hankbook of Chemistry and Physics, Shanghai: Shanghai Science and Technology Press, 1985: 105
|
| [45] | (姚允斌. 物理化学手册. 上海: 上海科学技术出版社, 1985: 105)
|
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