CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Fracture resistance of imperfect filler particles within nuclear graphite during irradiation
Huang, Q; Lei, QT; Tang, H; Deng, Q; Wang, YQ
2020
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
ISSN0168-583X
Volume464Pages:123-127
Subtype期刊论文
AbstractAlthough there have been many in-reactor experiments of nuclear graphite in history, its microstructure evolution during irradiation have not been well studied. One filler particle within nuclear graphite was investigated during ion irradiation. Remarkable dimensional changes and distortion of graphite filler were observed. Different from the well-known Mrozowski crack, cracks formed by graphite sheets fracture were found in filler and showed continuous opening during irradiation, resulting in porosity increase and decline in integrity of nuclear graphite. But evidences show that these cracks did not grow along the c-axis, indicating a strong resistance to irradiation-induced fracture of un-fractured graphite sheets. Although the dimensional evolution of graphite crystallite continues at the highest dose of 10 dpa, the Raman spectra showed that the structure of damaged graphite lattice became very stable at doses above 0.84 dpa during room-temperature irradiation.
KeywordTRANSMISSION ELECTRON-MICROSCOPY ORIENTED PYROLYTIC-GRAPHITE NEUTRON-IRRADIATION MICROSTRUCTURAL EVOLUTION DIMENSIONAL CHANGES ION IRRADIATION GRADE GRAPHITE DAMAGE AMORPHIZATION MECHANISMS
DOI10.1016/j.nimb.2019.12.022
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32889
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Fudan Univ, Inst Modern Phys, Appl Ion Beam Phys Lab, Shanghai 200433, Peoples R China
Recommended Citation
GB/T 7714
Huang, Q,Lei, QT,Tang, H,et al. Fracture resistance of imperfect filler particles within nuclear graphite during irradiation[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2020,464:123-127.
APA Huang, Q,Lei, QT,Tang, H,Deng, Q,&Wang, YQ.(2020).Fracture resistance of imperfect filler particles within nuclear graphite during irradiation.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,464,123-127.
MLA Huang, Q,et al."Fracture resistance of imperfect filler particles within nuclear graphite during irradiation".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 464(2020):123-127.
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