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Investigation and modeling of tensile failure properties of wound ceramic matrix composites

Shi, Yuan and Jain, Neraj and Koch, Dietmar (2018) Investigation and modeling of tensile failure properties of wound ceramic matrix composites. Composites Part A Applied Science and Manufacturing, 114, pp. 316-326. Elsevier. DOI: doi.org/10.1016/j.compositesa.2018.08.029 ISSN 1359-835X

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Abstract

The paper presents enhanced studies of investigation and modeling of failure properties for wound ceramic matrix composites with varied fiber orientations under tensile loading. Based on mechanical tests and microstructure analysis, the characteristics of a virtual equivalent unidirectional layer (UD-layer) were examined and treated as input for modified Tsai-Wu failure criterion. In order to predict the mechanical properties with more accuracy, particular features of the investigated material have to be taken into consideration: definition of two material modeling groups based on the analysis of microstructure; interaction between failure strength and strain through inelastic deformation; inclusion of inhomogeneities created due to the manufacturing process in the analytical model. Based on the good correlation between the experiments and the modeling results, it can be shown that modeling approaches, considering the above mentioned particular material features, allow a very accurate prediction of the mechanical properties under in-plane tensile loading of CMC laminates.

Item URL in elib:https://elib.dlr.de/121519/
Document Type:Article
Title:Investigation and modeling of tensile failure properties of wound ceramic matrix composites
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Shi, Yuanyuan.shi (at) dlr.deUNSPECIFIED
Jain, Nerajneraj.jain (at) dlr.deUNSPECIFIED
Koch, Dietmardietmar.koch (at) dlr.deUNSPECIFIED
Date:2018
Journal or Publication Title:Composites Part A Applied Science and Manufacturing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:114
DOI :doi.org/10.1016/j.compositesa.2018.08.029
Page Range:pp. 316-326
Publisher:Elsevier
ISSN:1359-835X
Status:Published
Keywords:Ceramic-matrix composites (CMCs) Mechanical properties Laminate mechanics Failure
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Shi, Yuan
Deposited On:11 Sep 2018 10:35
Last Modified:06 Sep 2019 15:24

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