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Microstructure and Mechanical Properties of Simulated Heat-affected Zones of EP-823 Steel for ADS/LFR
Lu, Shanping; Liang, Tian; Li, Yongkui; Li, Dianzhong; Rong, Lijian; Li, Yiyi; shplu@imr.ac.cn
2015
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume31Issue:8Pages:864-871
AbstractEP-823 steel is one of the candidate materials for accelerator-driven systems/lead-cooled fast reactors (ADS/LFR). Its weldability was investigated by mechanical property tests and microstructure analysis on the enlarged heat-affected zones (HAZs) made by numerical and physical simulation. The finite element numerical simulation could simulate the welding thermal cycle of the characteristic regions in HAZs with extremely high accuracy. The physical simulation performed on a Gleeble simulator could enlarge the characteristic regions to easily investigate the relationship between the microstructure evolution and the mechanical properties of the HAZs. The results showed that the simulated partially normalized zone comprising tempered martensite, newly formed martensite and more tiny carbides has the highest impact energy. The fully normalized zone exhibits the highest hardness because of the quenched martensite and large carbides. The ductile property of the overheated zone is poor for the residual delta-ferrite phases and the quenched martensite. Copyright (C) 2015, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.
description.department[lu, shanping ; li, yongkui ; li, dianzhong] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110006, peoples r china ; [lu, shanping ; liang, tian ; rong, lijian ; li, yiyi] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110006, peoples r china
KeywordAccelerator-driven Systems/lead-cooled Fast Reactors (Ads/lfr) Ep-823 Steel Heat-affected Zones (Hazs) Microstructure Evolution Mechanical Property
Funding OrganizationNational Natural Science Foundation of China (NSFC) [91226204]; Chinese Academy of Science Strategic Pilot Project (The Future of Advanced Nuclear Energy, ADS Evolution System) [XDA03010304]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74978
Collection中国科学院金属研究所
Corresponding Authorshplu@imr.ac.cn
Recommended Citation
GB/T 7714
Lu, Shanping,Liang, Tian,Li, Yongkui,et al. Microstructure and Mechanical Properties of Simulated Heat-affected Zones of EP-823 Steel for ADS/LFR[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2015,31(8):864-871.
APA Lu, Shanping.,Liang, Tian.,Li, Yongkui.,Li, Dianzhong.,Rong, Lijian.,...&shplu@imr.ac.cn.(2015).Microstructure and Mechanical Properties of Simulated Heat-affected Zones of EP-823 Steel for ADS/LFR.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,31(8),864-871.
MLA Lu, Shanping,et al."Microstructure and Mechanical Properties of Simulated Heat-affected Zones of EP-823 Steel for ADS/LFR".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 31.8(2015):864-871.
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