In situ TEM observation of the evolution of helium bubbles in Hastelloy N alloy during annealing

doi:10.1016/j.jnucmat.2020.152184

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	In situ TEM observation of the evolution of helium bubbles in Hastelloy N alloy during annealing
	Liu, JZ ; Huang, HF ; Liu, RD ; Zhu, ZB ; Lei, QT ; Liu, AW ; Li, Y
刊名	JOURNAL OF NUCLEAR MATERIALS
	2020
卷号	537 页码:-
关键词	MIGRATION IRRADIATION NICKEL CHALLENGES SIMULATION BEHAVIOR METALS BULK
ISSN号	0022-3115
DOI	10.1016/j.jnucmat.2020.152184
文献子类	期刊论文
英文摘要	In situ transmission electron microscopy (TEM) was used to capture the dynamic evolution of helium bubbles in Hastelloy N alloy during annealing at 400 degrees C, 500 degrees C and 600 degrees C. The TEM results showed that intragranular helium bubbles hardly coarsened after annealing at 400 degrees C and 500 degrees C for 60 min. Although the formation of a new helium bubble was observed at the grain boundary for the sample annealed at 500 degrees C, these intergranular helium bubbles did not coalesce due to the low surface diffusion, the distance between helium bubbles and the misorientation of two grains. The high internal pressure of the helium bubbles calculated using the Carnahan-Starling hard sphere model illustrated that the migration and coalescence (MC) mechanism was more apparent in helium bubbles coarsening for the sample annealed at 600 degrees C. However, the MC mechanism was restricted by chromium atoms and dislocation lines, which caused the emergence of the suppressed MC mechanism. (c) 2020 Elsevier B.V. All rights reserved.
语种	英语
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/32931]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
作者单位	1.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China 3.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
推荐引用方式 GB/T 7714	Liu, JZ,Huang, HF,Liu, RD,et al. In situ TEM observation of the evolution of helium bubbles in Hastelloy N alloy during annealing[J]. JOURNAL OF NUCLEAR MATERIALS,2020,537:-.
APA	Liu, JZ.,Huang, HF.,Liu, RD.,Zhu, ZB.,Lei, QT.,...&Li, Y.(2020).In situ TEM observation of the evolution of helium bubbles in Hastelloy N alloy during annealing.JOURNAL OF NUCLEAR MATERIALS,537,-.
MLA	Liu, JZ,et al."In situ TEM observation of the evolution of helium bubbles in Hastelloy N alloy during annealing".JOURNAL OF NUCLEAR MATERIALS 537(2020):-.