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A novel elastoplastic constitutive model for woven oxide/oxide ceramic matrix composites with anisotropic hardening
Liu H; Yang ZM(杨正茂); Yuan H
Source PublicationCOMPOSITE STRUCTURES
2019-12-01
Volume229Pages:UNSP 111420
ISSN0263-8223
Abstract

The oxide/oxide ceramic matrix composite exhibits superior mechanical properties in high temperature environment. However, complex nonlinear behavior is not clarified for high performance applications. The present work developed an elastoplastic constitutive model considering variations of hardening behavior over the stress states by introducing a novel loading function. The model can account for heterogeneous initial yield and complex hardening behavior accurately and was verified from experiments under tension and compression conditions with various off-axis angles. The computational results agree with stress-strain responses containing softening up to failure under arbitrary in-plane loading conditions.

KeywordOxide/oxide ceramic matrix composite Constitutive model Plastic potential function Anisotropic hardening Asymmetric tension and compression
Subject Area连续介质力学 ; 塑性力学 ; 损伤力学
DOI10.1016/j.compstruct.2019.111420
Indexed BySCI ; EI
Language英语
WOS IDWOS:000498686400010
WOS KeywordSTRESS-STRAIN ; THERMOMECHANICAL DAMAGE ; BEHAVIOR ; PLASTICITY ; EVOLUTION ; PERFORMANCE ; FRACTURE ; FAILURE ; FATIGUE ; METALS
WOS Research AreaMechanics ; Materials Science, Composites
WOS SubjectMechanics ; Materials Science
Funding OrganizationChina Natural Science FoundationNational Natural Science Foundation of China [11572169, 51775294]
Classification二类/Q1
Ranking2
ContributorYuan, H (reprint author)
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/80788
Collection空天飞行科技中心(筹)
Affiliation1.Tsinghua Univ, Sch Aerosp Engn, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Mech, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Liu H,Yang ZM,Yuan H. A novel elastoplastic constitutive model for woven oxide/oxide ceramic matrix composites with anisotropic hardening[J]. COMPOSITE STRUCTURES,2019,229:UNSP 111420.
APA Liu H,Yang ZM,&Yuan H.(2019).A novel elastoplastic constitutive model for woven oxide/oxide ceramic matrix composites with anisotropic hardening.COMPOSITE STRUCTURES,229,UNSP 111420.
MLA Liu H,et al."A novel elastoplastic constitutive model for woven oxide/oxide ceramic matrix composites with anisotropic hardening".COMPOSITE STRUCTURES 229(2019):UNSP 111420.
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