Hardening and ductility loss of RAFM steel CLF-1 irradiated with high-energy heavy ions

doi:10.1016/j.jnucmat.2022.154024All

	Hardening and ductility loss of RAFM steel CLF-1 irradiated with high-energy heavy ions
	Ding, Z. N.1; Zhang, C. H.1; Yang, Y. T.1; Chen, Y. G.1; Zhang, X. L.1; Song, Y.1; Ma, T. D.2; Xu, Y. P.3; Luo, G. N.3
刊名	JOURNAL OF NUCLEAR MATERIALS
	2022-12-15
卷号	572
关键词	CLF-1 Heavy ions irradiation Ductility loss Microstructure Hardening
ISSN号	0022-3115
DOI	10.1016/j.jnucmat.2022.154024All
通讯作者	Zhang, C. H.(c.h.zhang@impcas.ac.cn)
英文摘要	Irradiation induced hardening and ductility loss of a Chinese reduced-activation ferritic / martensitic steel CLF-1 is evaluated by utilizing the high-energy heavy ion irradiation and the subsequent miniature spec-imen test technique. Specimens were irradiated with high energy 14 N 6 + and 56Fe17 + ions supplied by a cyclotron to generate a quasi uniform atomic displacement damage plateau from surface to a depth about 25 mu m. Three successively increasing damage levels (0.05, 0.1 and 0.2 dpa) were approached at a low temperature around 223 K. The small punch test at room temperature showed that the ductility loss can be observed at the lowest damage level and increases with the increasing damage level, similar to the variation trend of yield stress with irradiation dose. The TEM observation revealed that the average size and number density of irradiation-induced defect clusters also increased with displacement damage. Assuming that the hardening is caused by the self-interstitial-type dislocation loops, an estimation by combining the numerical calculation of the number density / mean diameter of dislocation loops with the dispersion barrier hardening model yields a similar dose dependence of the irradiation hardening. (c) 2022 Elsevier B.V. All rights reserved.
资助项目	National Science Foundation China ; [11905263]
WOS关键词	MECHANICAL-PROPERTIES ; FERRITIC STEELS ; PUNCH TEST ; BEHAVIOR ; TENSILE ; SPECTROSCOPY ; FABRICATION ; EVOLUTION ; SPECIMEN ; HELIUM
WOS研究方向	Materials Science ; Nuclear Science & Technology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000885291600004
资助机构	National Science Foundation China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/131691]
专题	中国科学院合肥物质科学研究院
通讯作者	Zhang, C. H.
作者单位	1.Chinese Acad Sci, Inst Modern Phys, 509 Nanchang Rd, Lanzhou 730000, Gansu, Peoples R China 2.Gen Res Inst Nonferrous Met, Beijing 100088, Peoples R China 3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式 GB/T 7714	Ding, Z. N.,Zhang, C. H.,Yang, Y. T.,et al. Hardening and ductility loss of RAFM steel CLF-1 irradiated with high-energy heavy ions[J]. JOURNAL OF NUCLEAR MATERIALS,2022,572.
APA	Ding, Z. N..,Zhang, C. H..,Yang, Y. T..,Chen, Y. G..,Zhang, X. L..,...&Luo, G. N..(2022).Hardening and ductility loss of RAFM steel CLF-1 irradiated with high-energy heavy ions.JOURNAL OF NUCLEAR MATERIALS,572.
MLA	Ding, Z. N.,et al."Hardening and ductility loss of RAFM steel CLF-1 irradiated with high-energy heavy ions".JOURNAL OF NUCLEAR MATERIALS 572(2022).