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IMECH-IR  > 流固耦合系统力学重点实验室(2012-)  > 期刊论文
Title:
Modeling the Failure Behavior of CFRP Laminates Subjected to Combined Thermal and Mechanical Loadings
Author: Zhao WN(赵伟娜); Song HW(宋宏伟); Huang CG(黄晨光); Huang YH(黄亿辉)
Source: INTERNATIONAL JOURNAL OF APPLIED MECHANICS
Issued Date: 2017-04-01
Volume: 9, Issue:3
Abstract: This paper proposes a theoretical approach to predict the failure behavior of laminated carbon fiber reinforced polymer (CFRP) under combined thermal and mechanical loadings. Two types of CFRP Laminates i.e. CCF300/BA9916 and T700/BA9916 are investigated and TGA tests in both nitrogen and oxidation environments at different heating rates are carried out to obtain the thermal decomposition kinetic parameters of polymer matrix and carbon fiber. Based on the thermal decomposition behavior and a multi-level structure model the thermal physical properties mechanical properties and thermal deformations of the laminated composites at high temperatures are obtained. Then substituting thermally degraded properties into constitutive equations of composite materials as macroscopic defects the damage mode and failure strength of the laminated composite under thermo-mechanical loadings is obtained. Predicted elastic properties and failure strength are compared with experimental results as well as previous models. Effects of heating rates and heating environments through rigorous physical model are considered in the present work. It is found that the heating rate significantly affects the thermal and mechanical properties the higher the heating rate the less degraded are the thermo-mechanical properties and failure strength at a given temperature. Young's modulus and failure strength of T700/BA9916 are higher than those of CCF300/BA9916 at high temperatures due to the higher volume fraction of carbon fibers which are less weakened in thermal environment.
Keyword: Carbon fiber reinforced polymer ; laminated composite ; thermo-mechanical loadings ; thermal decomposition ; pyrolysis ; failure
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Song, HW ; Huang, CG (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China. ; Song, HW ; Huang, CG (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
Correspondent Email: zhaoweina@imech.ac.cn ; songhw@imech.ac.cn ; huangcg@imech.ac.cn ; huangyihui@nimte.ac.cn
DOI: 10.1142/S1758825117500338
DOC Type: Article
WOS Subject: Mechanics
WOS Subject Extended: Mechanics
WOS Keyword Plus: TRANSITION-TEMPERATURES ; COMPOSITE-MATERIALS ; PLATES ; FIRE ; PREDICTION ; POLYMERS ; CRITERIA ; MATRIX
WOS ID: WOS:000403449000003
ISSN: 1758-8251
Funder: National Natural Science Foundation of China(91016025 ; Project of Chinese Academy of Sciences ; 11332011 ; 11472276)
Department: LMFS热结构耦合力学 ; LMFS冲击与耦合效应(LHO)
Classification: 二类
Ranking: 1
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60509
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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Recommended Citation:
Zhao WN,Song HW,Huang CG,et al. Modeling the Failure Behavior of CFRP Laminates Subjected to Combined Thermal and Mechanical Loadings[J]. INTERNATIONAL JOURNAL OF APPLIED MECHANICS,2017-04-01,9(3).
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