基于经典的晶粒生长机理,采用改进的蒙特卡罗( Monte Carlo)模拟方法,对在不同的烧结温度和保温时间下的晶粒生长演化过程进行计算机模拟,并使用多孔Al2 O3陶瓷烧结实验过程中的晶粒生长对模型进行了验证.结果表明,当晶粒生长指数为2.95时,模拟与实验中的晶粒生长趋势相一致,说明改进的MC方法可真实的反映晶粒长大的物理过程.
参考文献
| [1] | Xiong Z X;Ji G L;Fang X .Simu1ation of Grain Growth for ABO3 Type Ceramics[J].Materials Science and Engineering,2003,B99:541-548. |
| [2] | Zhang DL.;Weng GA.;Gong SP.;Zhou DX. .Computer simulation of grain growth of intermediate-and final-stage sintering and Ostwald ripening of BaTiO3-based PTCR ceramics[J].Materials Science & Engineering, B. Solid-State Materials for Advanced Technology,2003(1/3):428-432. |
| [3] | Braginsky M;Tikare V;Olevsky E .Numerical simulation of solid state sintering[J].International Journal of Solids and Structures,2005(2):621-636. |
| [4] | V.Tikare;J.D.Cawley .Numerical simulation of grain growth in liquid phase sintered materials-I. model[J].Acta materialia,1998(4):1333-1342. |
| [5] | J. Kishino;H. Nomura;S.-G. Shin .Computational study on grain growth in cemented carbides[J].International Journal of Refractory Metals & Hard Materials,2002(1):31-40. |
| [6] | K. Mori;H. Matsubara;N. Noguchi .Micro-macro simulation of sintering process by coupling Monte Carlo and finite element methods[J].International Journal of Mechanical Sciences,2004(6):841-854. |
| [7] | 刘祖耀,李世晨,郑子樵,陈大钦,李剑.正常晶粒长大的计算机模拟（Ⅰ）--晶粒长大动力学跃迁概率的改进[J].中国有色金属学报,2003(06):1357-1360. |
| [8] | 王海东,张海,李海亮,汤育才.焙烧过程晶粒生长的Monte Carlo模拟[J].中国有色金属学报,2007(06):990-996. |
| [9] | 张继祥,关小军,孙胜.一种改进的晶粒长大Monte Carlo模拟方法[J].金属学报,2004(05):457-461. |
| [10] | 申倩倩,田栋,郭丽华,王淑花,贾虎生.以石墨为造孔剂多孔Al2O3陶瓷体系中晶粒生长的研究[J].人工晶体学报,2010(05):1176-1180. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%