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A Statistical Model of Cleavage Fracture Toughness of Ferritic Steel DIN 22NiMoCr37 at Different Temperatures
Qian GA(钱桂安)1; Lei WS2; Tong ZF3; Yu ZS4
Corresponding AuthorLei, Wei-Sheng(Leiws2008@gmail.com) ; Tong, Zhenfeng(tony_tzf@163.com)
Source PublicationMATERIALS
2019-03-25
Volume12Issue:6Pages:12
ISSN1996-1944
AbstractIt is a conventional practice to adopt Weibull statistics with a modulus of 4 for characterizing the statistical distribution of cleavage fracture toughness of ferritic steels, albeit based on a rather weak physical justification. In this study, a statistical model for cleavage fracture toughness of ferritic steels is proposed according to a new local approach model. The model suggests that there exists a unique correlation of the cumulative failure probability, fracture toughness and yield strength. This correlation is validated by the Euro fracture toughness dataset for 1CT specimens at four different temperatures, which deviates from the Weibull statistical model with a modulus of four.
Keywordstatistical model ferritic steels cleavage fracture toughness master curve behavior
DOI10.3390/ma12060982
Indexed BySCI ; EI
Language英语
WOS IDWOS:000464368100007
WOS KeywordFATIGUE LIFE PREDICTION ; LOCAL APPROACH ; CONSTRAINT ; SIZE ; PARAMETERS ; FRAMEWORK ; BEHAVIOR ; STRAIN
WOS Research AreaMaterials Science
WOS SubjectMaterials 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二类
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78718
Collection非线性力学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China;
2.Appl Mat Inc, 974 East Arques Ave, Sunnyvale, CA 94085 USA;
3.China Inst Atom Energy, Beijing 102413, Peoples R China;
4.Shanghai Univ Engn Sci, Sch Mat Engn, 333 Long Teng Rd, Shanghai 201620, Peoples R China
Recommended Citation
GB/T 7714
Qian GA,Lei WS,Tong ZF,et al. A Statistical Model of Cleavage Fracture Toughness of Ferritic Steel DIN 22NiMoCr37 at Different Temperatures[J]. MATERIALS,2019,12(6):12.
APA 钱桂安,Lei WS,Tong ZF,&Yu ZS.(2019).A Statistical Model of Cleavage Fracture Toughness of Ferritic Steel DIN 22NiMoCr37 at Different Temperatures.MATERIALS,12(6),12.
MLA 钱桂安,et al."A Statistical Model of Cleavage Fracture Toughness of Ferritic Steel DIN 22NiMoCr37 at Different Temperatures".MATERIALS 12.6(2019):12.
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