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Thermal evolution of irradiation defects in ferritic/martensitic steel during isochronal annealing
Zhu T(朱特); Cao XZ(曹兴忠); Jin SX(靳硕学); 张鹏(正); Lu EY(卢二阳); Kuang P(况鹏); Gong YH(龚毅豪); Wang BY(王宝义); Zhu, Te; Cao, Xingzhong; Jin, Shuoxue; Zhang, Peng; Lu, Eryang; Kuang, Peng; Gong, Yihao; Guo, Liping; Xu, Qiu; Wang, Baoyi
2018
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
ISSN0168-583X
EISSN1872-9584
Volume436Pages:35-39
SubtypeArticle
AbstractThe aim of investigating the annealing effect induced by helium/hydrogen ion irradiation on the micro-defects of ferritic/martensitic (FM) steel is to gain a basic understanding on the development of fusion reactor components. In this study, 250 keV He2+ and 130 keV H+ were used for irradiation. Then, micro-defects were annealed isochronally between 423 K and 673 K, and were monitored by the slow positron beam Doppler broadening technique. The results revealed that the He ions implanted into the steels combined with vacancies to form HenVm clusters, and were likely to grow and form overpressured HenVm, clusters by thermal activation. The S-W line of the irradiated specimen deviated the line segment, which indicates the formation of overpressured HenVm clusters in the He-irradiated steel. Moreover, the AS-E curves indicate residual vacancies that were induced by He-irradiation at 723 K and later migrated toward the bulk of the sample at 423 K. Subsequently, the vacancies tended to migrate to the sample surface as the annealing temperature increased. The S parameter of the He + H irradiated sample was much larger than that of all other samples, owing to the synergy effect of H and He. After annealing at 423 K, the H-V clusters decomposed and the hydrogen atoms in the He + H-irradiated sample escaped from the surface leaving a large number of vacancies.
KeywordHelium/Hydrogen irradiation Ferritic/martensitic steel Thermal annealing Vacancy nucleation Slow positron beam
DOI10.1016/j.nimb.2018.08.044
WOS KeywordHELIUM ; DEUTERIUM ; HYDROGEN ; RETENTION ; COMPLEXES ; CLUSTERS ; FE9CR ; FE
Indexed BySCI ; EI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Endocrinology & Metabolism
WOS SubjectBiochemistry & Molecular Biology ; Endocrinology & Metabolism
WOS IDWOS:000452585400006
EI Accession Number20183705809123
ADS Bibcode2018NIMPB.436...35Z
Citation statistics
Cited Times:2 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286614
Collection多学科研究中心
Corresponding AuthorCao XZ(曹兴忠)
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Corresponding Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Zhu T,Cao XZ,Jin SX,et al. Thermal evolution of irradiation defects in ferritic/martensitic steel during isochronal annealing[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2018,436:35-39.
APA 朱特.,曹兴忠.,靳硕学.,张鹏.,卢二阳.,...&Wang, Baoyi.(2018).Thermal evolution of irradiation defects in ferritic/martensitic steel during isochronal annealing.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,436,35-39.
MLA 朱特,et al."Thermal evolution of irradiation defects in ferritic/martensitic steel during isochronal annealing".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 436(2018):35-39.
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