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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
2018-11-01
发表期刊ENGINEERING FAILURE ANALYSIS
卷号93页码:55-63
ISSN1350-6307
摘要

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.

关键词Multiaxial Fatigue Virtual Strain Energy Critical Plane Mean Stress Life Prediction
DOI10.1016/j.engfailanal.2018.07.001
收录类别SCI ; EI
语种英语
WOS记录号WOS:000441524300006
关键词[WOS]Critical Distance ; Reliability-analysis ; Lcf Life ; Loadings ; Parameters ; Criterion ; Failures ; Design ; Iron
WOS研究方向Engineering ; Materials Science
WOS类目Engineering, Mechanical ; Materials Science, Characterization & Testing
项目资助者National Natural Science Foundation of China(11672070 ; Fundamental Research Funds for the Central Universities(ZYGX2016J208) ; China Postdoctoral Science Foundation(2015M582549 ; 11302044) ; 2017T100697)
论文分区二类
力学所作者排名3
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77654
专题非线性力学国家重点实验室
通讯作者Zhu SP
作者单位1.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
推荐引用方式
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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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