Molecular Dynamics Simulations of the Interactions Between Tungsten Dust and Beryllium Plasma-Facing Material
In the present research,molecular dynamics simulation is applied to study the interactions between tungsten dusts and a beryllium plasma-facing material surface.Calculation results show that it is quite difficult for nanometer-size dust particles to damage the plasma-facing material surface,which is...
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| Published in | Plasma science & technology Vol. 17; no. 12; pp. 1072 - 1077 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.12.2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1009-0630 |
| DOI | 10.1088/1009-0630/17/12/16 |
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| Abstract | In the present research,molecular dynamics simulation is applied to study the interactions between tungsten dusts and a beryllium plasma-facing material surface.Calculation results show that it is quite difficult for nanometer-size dust particles to damage the plasma-facing material surface,which is different from the micrometer-size ones.The reason may be the size difference between dust and crystal grains.The depth of dust penetration into plasma-facing materials is closely related to the incident velocity,and the impacting angle also plays an important role.Dust and material surface damage is also investigated.Results show that both incident velocity and angle can significantly influence the damage. |
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| AbstractList | In the present research,molecular dynamics simulation is applied to study the interactions between tungsten dusts and a beryllium plasma-facing material surface.Calculation results show that it is quite difficult for nanometer-size dust particles to damage the plasma-facing material surface,which is different from the micrometer-size ones.The reason may be the size difference between dust and crystal grains.The depth of dust penetration into plasma-facing materials is closely related to the incident velocity,and the impacting angle also plays an important role.Dust and material surface damage is also investigated.Results show that both incident velocity and angle can significantly influence the damage. |
| Author | 牛国鉴 李小椿 徐倩 杨钟时 罗广南 |
| AuthorAffiliation | Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China University of Science anti Technology of China, Hefei 230031, China |
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| CitedBy_id | crossref_primary_10_1140_epjb_e2018_90226_2 crossref_primary_10_1016_j_jnucmat_2022_154048 |
| Cites_doi | 10.1088/1009-0630/15/4/03 10.1209/0295-5075/83/65001 10.1088/0029-5515/49/10/104013 10.1088/1009-0630/16/8/13 10.1088/0963-0252/12/1/306 10.1088/0029-5515/49/8/085022 10.1016/S0022-3115(00)00478-5 10.1016/S0022-3115(98)00526-1 10.1016/j.jnucmat.2009.01.090 10.1016/j.fusengdes.2007.03.017 10.1016/j.jnucmat.2009.01.111 10.1016/S0920-3796(02)00191-6 10.1088/0029-5515/52/12/123002 10.1088/0029-5515/45/7/016 10.1007/978-1-4615-8103-1_3 10.1238/Physica.Topical.091a00084 10.1088/0029-5515/54/7/073010 10.1016/j.jnucmat.2013.01.034 10.1088/0953-8984/22/35/352206 10.1088/0031-8949/2011/T145/014006 |
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| DocumentTitleAlternate | Molecular Dynamics Simulations of the Interactions Between Tungsten Dust and Beryllium Plasma-Facing Material |
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| Notes | nanometer tungsten incident grains micrometer radius penetration hexagonal facing evaporation In the present research,molecular dynamics simulation is applied to study the interactions between tungsten dusts and a beryllium plasma-facing material surface.Calculation results show that it is quite difficult for nanometer-size dust particles to damage the plasma-facing material surface,which is different from the micrometer-size ones.The reason may be the size difference between dust and crystal grains.The depth of dust penetration into plasma-facing materials is closely related to the incident velocity,and the impacting angle also plays an important role.Dust and material surface damage is also investigated.Results show that both incident velocity and angle can significantly influence the damage. NIU Guojian, LI Xiaochun,XU Qian , YANG Zhongshi,LUO Guangnan（1Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China ;2University of Science anti Technology of China, Hefei 230031, China） 34-1187/TL ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | 11 12 Zukas J A (22) 1990 Lipschultz B (9) 2012; 52 Niu G J (17) 2014; 16 18 Rudakov D L (14) 2009; 49 Nishijima D (8) 2005; 45 Hong R J (16) 2013; 15 Hong S (5) 2003; 12 Ivanova D (15) 2011; T145 Bjorkas C (20) 2010; 22 2 3 Martin D (19) 2008; 83 6 Tuccillo A A (13) 2009; 49 Pestchanyi S (4) 2001; T91 Balden M (7) 2014; 54 Krasheninnikov S I (1) 2011; 53 10 21 |
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| SubjectTerms | Beryllium Crystals Damage Dust Mathematical analysis Molecular dynamics Simulation Tungsten 分子动力学模拟 尘埃粒子 尺寸差异 材料表面 相互作用 等离子体 钨 铍 |
| Title | Molecular Dynamics Simulations of the Interactions Between Tungsten Dust and Beryllium Plasma-Facing Material |
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