Effect of polycrystalline structure on helium plasma irradiation of tungsten materials

被引：2
作者：
Saito, Seiki [1 ]
Nakamura, Hiroaki [2 ,3 ]
Yooyen, Soemsak [4 ]
Ashikawa, Naoko [2 ,5 ]
Katayama, Kazunari [6 ]
机构：
[1] Kushiro Coll, Natl Inst Technol, Kushiro, Hokkaido 0840916, Japan
[2] Natl Inst Fus Sci, Toki, Gifu 5095292, Japan
[3] Nagoya Univ, Toki, Gifu 5095292, Japan
[4] King Mongkuts Inst Technol Ladkrabang, Bangkok 10520, Thailand
[5] Grad Univ Adv Studies, Toki, Gifu 5095292, Japan
[6] Kyushu Univ, Kasuga, Fukuoka 8168580, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 01期
关键词：
APPROXIMATION-BASED SIMULATION; NOBLE-GAS IRRADIATION; LOW-ENERGY; SURFACE;
D O I：
10.7567/JJAP.57.01AB06
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Binary-collision-approximation-based (BCA-based) simulation is performed for the investigation of the effect of a polycrystalline structure on the penetration depth, absorption rate, and sputtering yield of tungsten materials irradiated by helium plasma. To clarify the possibility of suppressing the generation of helium bubbles in tungsten materials by designing the properties of the polycrystalline structure, such as grain size, the effect of the polycrystalline structure on helium bubble formation is also investigated. (c) 2018 The Japan Society of Applied Physics
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页数：9
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