Temperature dependence of nickel ion irradiation damage in GH3535 alloy weld metal

doi:10.1016/j.jnucmat.2017.06.005

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	Temperature dependence of nickel ion irradiation damage in GH3535 alloy weld metal
	Huang, HF; Zhou, XL; Li, CW; Gao, J; Wei, T; Lei, GH; Li, JJ; Ye, LF; Huang, Q; Zhu, ZY
	2017
发表期刊	JOURNAL OF NUCLEAR MATERIALS
ISSN	0022-3115
卷号	497 期号:-页码:108-116
文章类型	期刊论文
摘要	Bulk samples of the GH3535 alloy weld metal have been characterized by transmission electron microscopy, X-ray diffraction and nanoindentation to determine their microstructural evolution and mechanical property changes after 8 MeV Ni3+ ions irradiation. The irradiation experiments were carried out at room temperature and 600 degrees C, and the ion fluences correspond to a calculated peak damage dose of 0.5, 2 and 12 dpa, respectively. TEM results show the formation of solute clusters or dislocation loops with a number density of approximately 5-14 x 10(22) m(-3) and sizes between 3 and 10 nm at room temperature due to irradiation induced defects and their evolution. Moreover, the peak shift with increasing ion dose observed in XRD diffraction patterns reveals the lattice distortion induced by ion irradiation. As far as the case of high temperature irradiation, several solute clusters with the same size were observed, whereas the number density was smaller than that of the former case. The calculated indentation values in irradiated samples were found to be much higher in comparison to the unirradiated one, indicating the dose dependent effect of irradiation on hardness. However, in the case of the ion irradiation at 600 degrees C, the hardness value of samples was significantly decreased. The relationship between ion irradiation induced microstructural evolution and the changes in the mechanical properties of this weld metal is discussed in the context of ion dose and irradiation temperature. (C) 2017 Elsevier B.V. All rights reserved.
关键词	Radiation-induced Segregation Austenitic Stainless-steels Pressure-vessel Steels Microstructural Evolution Elevated-temperature Beam Irradiation Elastic-modulus Indentation Hardness Reactor
DOI	10.1016/j.jnucmat.2017.06.005
关键词[WOS]	RADIATION-INDUCED SEGREGATION ; AUSTENITIC STAINLESS-STEELS ; PRESSURE-VESSEL STEELS ; MICROSTRUCTURAL EVOLUTION ; ELEVATED-TEMPERATURE ; BEAM IRRADIATION ; ELASTIC-MODULUS ; INDENTATION ; HARDNESS ; REACTOR
收录类别	SCI
语种	英语
WOS记录号	WOS:000415718800013
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.sinap.ac.cn/handle/331007/28852
专题	中科院上海应用物理研究所2011-2018年
推荐引用方式 GB/T 7714	Huang, HF,Zhou, XL,Li, CW,et al. Temperature dependence of nickel ion irradiation damage in GH3535 alloy weld metal[J]. JOURNAL OF NUCLEAR MATERIALS,2017,497(-):108-116.
APA	Huang, HF.,Zhou, XL.,Li, CW.,Gao, J.,Wei, T.,...&Zhu, ZY.(2017).Temperature dependence of nickel ion irradiation damage in GH3535 alloy weld metal.JOURNAL OF NUCLEAR MATERIALS,497(-),108-116.
MLA	Huang, HF,et al."Temperature dependence of nickel ion irradiation damage in GH3535 alloy weld metal".JOURNAL OF NUCLEAR MATERIALS 497.-(2017):108-116.

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