IMECH-IR  > 非线性力学国家重点实验室
Effect of environmental media on the fatigue property of Chinese A508-3 steel of AP1000
Ning, Guangsheng1; Zhong, Weihua1; Li JH(李江华)2; Cong, Tao3; Sun JY(孙经雨)2; Wang, Hui1; Qian GA(钱桂安)2; Berto, Filippo4
Corresponding AuthorZhong, Weihua(zhongwh@ciae.ac.cn) ; Sun, Jingyu(sunjingyu@imech.ac.cn)
Source PublicationINTERNATIONAL JOURNAL OF FRACTURE
2021-09-16
Pages10
ISSN0376-9429
AbstractThe fatigue tests of Chinese RPV steel (A508-3) were carried out under the simulated primary coolant environment of AP1000 which is a kind of 3rd generation nuclear power plant. The effects of temperature, strain rate and dissolved oxygen (DO) on fatigue life were analyzed. During the fatigue test, the material exhibited a cyclic hardening followed by cyclic softening behavior, with no obvious cyclic stability region. In logarithmic coordinates, the S-N curve showed a bilinear relationship. As the strain amplitude increased from 0.2 to 0.6%, the fatigue life approximately decreased from 10(5) to 3 x 10(2). The environmental correction factor (Fen), which is defined as the ratio of life in air at room temperature to that in the primary coolant environment, decreases as the temperature decreases from 321 to 150 degrees C. The Fen also decreases as the DO decreases from 0.6 to 0.03 ppm while it increases as the strain rate decreases from 1 to 0.0004%/s. Compared with the NUREG6909 model, the presented model is more applicable for fatigue life prediction of Chinese A508-3 steel.
KeywordReactor pressure vessel steel Primary coolant environment Low cycle fatigue Corrosion fatigue Environmental fatigue correction factor
DOI10.1007/s10704-021-00589-w
Indexed BySCI ; EI
Language英语
WOS IDWOS:000696424700001
WOS Research AreaMaterials Science ; Mechanics
WOS SubjectMaterials Science, Multidisciplinary ; Mechanics
Funding ProjectNational Natural Science Foundation of China[11872364] ; National Natural Science Foundation of China[12072345] ; Large-scale Advanced PWR Nuclear Power Plant Major Projects[2018ZX06002008] ; CAS Pioneer Hundred Talents Program ; Development Project of China Railway[N2020J028] ; China Academy of Railway Sciences Corporation Limited[2020YJ115]
Funding OrganizationNational Natural Science Foundation of China ; Large-scale Advanced PWR Nuclear Power Plant Major Projects ; CAS Pioneer Hundred Talents Program ; Development Project of China Railway ; China Academy of Railway Sciences Corporation Limited
Classification二类
Ranking1
ContributorZhong, Weihua ; Sun, Jingyu
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/87430
Collection非线性力学国家重点实验室
Affiliation1.China Inst Atom Energy, Beijing 102413, Peoples R China;
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China;
3.China Acad Railway Sci Corp Ltd, Met & Chem Res Inst, Beijing 100081, Peoples R China;
4.Norwegian Univ Sci & Technol NTNU, Dept Mech & Ind Engn, Richard Birkelands Vei 2b, N-7491 Trondheim, Norway
Recommended Citation
GB/T 7714
Ning, Guangsheng,Zhong, Weihua,Li JH,et al. Effect of environmental media on the fatigue property of Chinese A508-3 steel of AP1000[J]. INTERNATIONAL JOURNAL OF FRACTURE,2021:10.
APA Ning, Guangsheng.,Zhong, Weihua.,李江华.,Cong, Tao.,孙经雨.,...&Berto, Filippo.(2021).Effect of environmental media on the fatigue property of Chinese A508-3 steel of AP1000.INTERNATIONAL JOURNAL OF FRACTURE,10.
MLA Ning, Guangsheng,et al."Effect of environmental media on the fatigue property of Chinese A508-3 steel of AP1000".INTERNATIONAL JOURNAL OF FRACTURE (2021):10.
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