运用分子动力学方法研究了hcp-Ti中的级联碰撞.建立晶体结构模型,选取不同的初级碰撞原子方向和能量,分别研究了级联碰撞中所产生的点缺陷的演化情况,给出初始物理图景.对级联碰撞中的两大特征分布“离位峰”及“热峰”进行分析,定量讨论了损伤区瞬态温度分布,局部“熔化区域”的变化,辐照诱发峰值缺陷数和稳定缺陷数等,为分析材料辐照损伤行为提供了数据.本工作中运用的计算方法可作为研究材料辐照诱发缺陷形成微观机制的一个有效手段.
参考文献
[1] | Wirth B D.Science,2007; 318:92 |
[2] | Matsukawa Y,Zinkle S J.Science,2007; 318:959 |
[3] | Tomas D R,Zbib H M,Khraishi T A,Wirth B D,Victoria M,Caturla M J.Nature,2000; 406:871 |
[4] | Odette G R,Alinger M J,Wirth B D.Annu Rev Mater Res,2008; 38:471 |
[5] | Sickafus K E,Grimes R W,Valdez J A,Cleave A,Tang M,Iahimaru M,Corish S,Stanek C R,Uberuaga B P.Nat Mater,2007; 6:217 |
[6] | He X F,Yang W,Fan S.Acta Phy Sin,2009; 58:8657 (贺新福,杨文,樊胜.物理学报,2009; 58:8657) |
[7] | Domain C,Becquart C S.Phys Rev,2001; 65B:02410 |
[8] | Gameza L,Martmez E,Perlado J M,Cepas P,Caturla M J,Victoria M,Marian J,Arevalo C,Hernandez M,Gomez D.Fusion Eng Des,2007; 82:2666 |
[9] | Bai X M,Voter A F,Hoagland R G,Nastasi M,Uberuaga B P.Science,2010; 327:1631 |
[10] | He B,Xue J M,Zou X Q,Wang Y G.Acta Sci Nat Univ Pekin,2009; 45:385 (何斌,薛建明,邹雪晴,王宇钢.北京大学学报,2009; 45:385) |
[11] | Jin Z M,Chen Y X,Han J R,Lu D G.Atomic Energy Sci Technol,2009; 43:501 (靳忠敏,陈义学,韩静茹,陆道纲.原子能科学技术,2009; 43:501) |
[12] | Bacon D J,Osetsky Y N,Stoller R,Voskoboinikov R E.J Nucl Mater,2003; 323:152 |
[13] | Xu H X.From Electronic Structure of Point Defects to Physical Properties of Complex Materials Using Atomiclevel Simulations.Gainesville:University of Florida,2010:148 |
[14] | Wooding S J,Bacon J.Philos Mag,1995; 72A:1261 |
[15] | Liu J Z.Nuclear Structural Materials.Beijing:Chemical Industry Press,2007:19 (刘建章.核结构材料.北京:化学工业出版社,2007:19) |
[16] | Kim Y M,Lee B J,Baskes M I.Phys Rev,2006; 74B:014101 |
[17] | Baskes M I,Johnson R A.Modelling Simul Mater Sci Eng,1994; 2:147 |
[18] | Min S Y,KimY,Lee T K,Seo S,Jung H S,Kim D,Lee J,Lee B J.Mater Int,2010; 16:421 |
[19] | Biersack J P,Ziegler J F.Nucl Instrum Methods Phys Res,1982; 194:93 |
[20] | Yu J N.Materials Radiation Effect.Beijing:Chemical Industry Press,2007:127 (郁金南.材料辐照效应.北京:化学工业出版社,2007:127) |
[21] | Tsuchihira H,Oda T,Tanaka S.J Nucl Mater,2011; 414:44 |
[22] | Gao F,Bacon D J,Howe L M,So C B.J Nucl Mater,2001; 294:288 |
[23] | Norgett M J,Robinson M T,Torrens I M.Nucl Eng Des,1975; 33:50 |
[24] | Samaras M,Derlet P M,Swygenhoven H V,Victoria M.Phys Rev Lett,2002; 88:12 |
[25] | Psakhie S G,Zolnikov K P,Kryzhevich D S,Zheleznyakov A V,Chernov V M.Phys Mesomech,2009; 12:20 |
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%