IMECH-IR  > 非线性力学国家重点实验室
Study on cleavage fracture probability-load curves of ferritic steel 20MnMoNi55 by using the new local approach model
Shen A R1; Li P C1; Qian GA(钱桂安)3; Yu Z S2; Berto F4; Wu W5
Corresponding AuthorLi, P. C.(wiselee18@163.com) ; Qiana, Guian(qianguian@imech.ac.cn) ; Wu, W.(Wuwenwang2014@163.com)
Source PublicationINTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING
2019-12-01
Volume178Pages:5
ISSN0308-0161
AbstractIn this paper, the new local approach model (NLAM) is first adopted to predict the cleavage fracture probability-load curves of notched round bar tensile specimens of ferritic steel 20MnMoNi55 at the temperatures of 123 K and 223 K. Then, based on the obtained curve, the probability density function, and the extreme value theorem of function, two significant cleavage fracture probabilities are proposed. Finally, the proposed probabilities are employed to predict the load which is most likely to cause cleavage fracture of 20MnMoNi55 steel. The results show that when the value of cleavage fracture probability is 45.29%, the corresponding predicted load is basically equal to the average fracture load of the specimens. Besides, the load corresponding to the cleavage fracture probability of 59.7% is the most likely one to induce cleavage fracture of the structure.
KeywordCleavage fracture probability Ferritic steel NLAM Predicted load
DOI10.1016/j.ijpvp.2019.103999
Indexed BySCI ; EI
Language英语
WOS IDWOS:000501396700002
WOS KeywordSTATISTICAL-MODEL ; PARAMETERS ; CONSTRAINT ; CALIBRATION ; DEPENDENCE
WOS Research AreaEngineering
WOS SubjectEngineering, Multidisciplinary ; Engineering, Mechanical
Funding ProjectNatural Science Foundation of Shanghai[19ZR1421400] ; National Natural Science Foundation of China[11872364] ; CAS Pioneer Hundred Talents Program
Funding OrganizationNatural Science Foundation of Shanghai ; National Natural Science Foundation of China ; CAS Pioneer Hundred Talents Program
Classification二类
Ranking1
ContributorLi, P. C. ; Qiana, Guian ; Wu, W.
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/81229
Collection非线性力学国家重点实验室
Affiliation1.Shanghai Univ Engn Sci, Sch Mech & Automot Engn, Shanghai 201620, Peoples R China;
2.Shanghai Univ Engn Sci, Sch Mat Engn, Shanghai 201620, Peoples R China;
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China;
4.Norwegian Univ Sci & Technol NTNU, Dept Mech & Ind Engn, Richard Birkelands Vei 2b, N-7491 Trondheim, Norway;
5.Beijing Inst Technol, Inst Adv Struct Technol, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Shen A R,Li P C,Qian GA,et al. Study on cleavage fracture probability-load curves of ferritic steel 20MnMoNi55 by using the new local approach model[J]. INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING,2019,178:5.
APA Shen A R,Li P C,钱桂安,Yu Z S,Berto F,&Wu W.(2019).Study on cleavage fracture probability-load curves of ferritic steel 20MnMoNi55 by using the new local approach model.INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING,178,5.
MLA Shen A R,et al."Study on cleavage fracture probability-load curves of ferritic steel 20MnMoNi55 by using the new local approach model".INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING 178(2019):5.
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