IMECH-IR  > 非线性力学国家重点实验室
Fatigue model of domestic 316LN steel in simulated primary coolant environment of CAP1400
Zhong WH1; Qian GA(钱桂安)2; Tong ZF1; Wu WW3; Zhu SP4; Wang CL1
Corresponding AuthorQian, Guian(qianguian@imech.ac.cn) ; Tong, Zhenfeng(tony_tzf@163.com)
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
2020
Volume130Pages:6
ISSN0142-1123
AbstractFatigue tests of domestic 316LN were carried out in the simulated primary coolant environment of CAP1400 (the advanced 3rd generation nuclear power plants developed in China). Effects of temperature, strain rate and dissolved oxygen (DO) on fatigue life were analyzed. Based on the results, a fatigue model was developed. Fatigue life in primary coolant environment increases logarithmically as the temperature decreases from 321 degrees C to 150 degrees C. When the temperature decreases to 150 degrees C, fatigue life in primary coolant environment is very close to that in air environment. Fatigue life increases as the strain rate increases from 0.004%/s to 1%/s. After the strain increases to more than 0.4%/s, fatigue life in primary coolant environment is very close to that in air environment. Effect of DO on fatigue life in primary coolant environment is not obvious in the DO range of 0.005 ppm to 8 ppm. Compared with NUREG6909 model, the present fatigue model is more accurate in lifetime prediction of domestic 316LN.
KeywordPrimary coolant pipe Low cycle fatigue Corrosion fatigue Fatigue model Environmental fatigue life
DOI10.1016/j.ijfatigue.2019.105297
Indexed BySCI ; EI
Language英语
WOS IDWOS:000491639300029
WOS KeywordAUSTENITIC STAINLESS-STEELS ; CRITICAL PLANE ; TEMPERATURE ; BEHAVIOR ; STRENGTH ; WATER
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
Funding ProjectNational Natural Science Foundation of China[11872364] ; CAS Pioneer Hundred Talents Program
Funding OrganizationNational Natural Science Foundation of China ; CAS Pioneer Hundred Talents Program
Classification一类
Ranking1
ContributorQian, Guian ; Tong, Zhenfeng
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/81401
Collection非线性力学国家重点实验室
Affiliation1.China Inst Atom Energy, Beijing, Peoples R China;
2.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing, Peoples R China;
3.Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China;
4.Univ Elect Sci & Technol China, Sch Mech & Elect Engn, Chengdu 611731, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Zhong WH,Qian GA,Tong ZF,et al. Fatigue model of domestic 316LN steel in simulated primary coolant environment of CAP1400[J]. INTERNATIONAL JOURNAL OF FATIGUE,2020,130:6.
APA Zhong WH,钱桂安,Tong ZF,Wu WW,Zhu SP,&Wang CL.(2020).Fatigue model of domestic 316LN steel in simulated primary coolant environment of CAP1400.INTERNATIONAL JOURNAL OF FATIGUE,130,6.
MLA Zhong WH,et al."Fatigue model of domestic 316LN steel in simulated primary coolant environment of CAP1400".INTERNATIONAL JOURNAL OF FATIGUE 130(2020):6.
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