IMECH-IR  > 非线性力学国家重点实验室
A new critical plane-energy model for multiaxial fatigue life prediction of turbine disc alloys
Xu S1; Zhu SP1,2; Hao YZ1; Liao D1; Qian GA(钱桂安)3
Source PublicationENGINEERING FAILURE ANALYSIS
2018-11-01
Volume93Pages:55-63
ISSN1350-6307
Abstract

For engine components under complex loadings, multiaxial fatigue life prediction is critical for ensuring their structural integrity and reliability. Combining the critical plane method with the virtual strain energy concept, a new multiaxial fatigue damage parameter is proposed to characterize the influence of both shear/normal mean stress and non-proportional hardening on fatigue life. Particularly, no extra material constants are needed for model application. Experimental data of TC4 and GH4169 alloys under various loading paths are utilized to evaluate and validate the proposed damage parameter as well as four other models. Results show that the proposed damage parameter yields a higher accuracy on multiaxial fatigue life prediction than others.

KeywordMultiaxial Fatigue Virtual Strain Energy Critical Plane Mean Stress Life Prediction
DOI10.1016/j.engfailanal.2018.07.001
Indexed BySCI ; EI
Language英语
WOS IDWOS:000441524300006
WOS KeywordCritical Distance ; Reliability-analysis ; Lcf Life ; Loadings ; Parameters ; Criterion ; Failures ; Design ; Iron
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Characterization & Testing
Funding OrganizationNational Natural Science Foundation of China(11672070 ; Fundamental Research Funds for the Central Universities(ZYGX2016J208) ; China Postdoctoral Science Foundation(2015M582549 ; 11302044) ; 2017T100697)
Classification二类
Ranking3
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77654
Collection非线性力学国家重点实验室
Corresponding AuthorZhu SP
Affiliation1.Univ Elect Sci & Technol China, Sch Mech & Elect Engn, Chengdu 611731, Sichuan, Peoples R China
2.Univ Elect Sci & Technol China, Ctr Syst Reliabil & Safety, Chengdu 611731, Sichuan, Peoples R China
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xu S,Zhu SP,Hao YZ,et al. A new critical plane-energy model for multiaxial fatigue life prediction of turbine disc alloys[J]. ENGINEERING FAILURE ANALYSIS,2018,93:55-63.
APA Xu S,Zhu SP,Hao YZ,Liao D,&Qian GA.(2018).A new critical plane-energy model for multiaxial fatigue life prediction of turbine disc alloys.ENGINEERING FAILURE ANALYSIS,93,55-63.
MLA Xu S,et al."A new critical plane-energy model for multiaxial fatigue life prediction of turbine disc alloys".ENGINEERING FAILURE ANALYSIS 93(2018):55-63.
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