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Characterization and modeling of transverse micro-cracking during pyrolysis process of carbon fiber reinforced plastics

Jain, Neraj and Kosin, Marvin and Shi, Yuan and Koch, Dietmar (2019) Characterization and modeling of transverse micro-cracking during pyrolysis process of carbon fiber reinforced plastics. International Journal of Applied Ceramic Technology. Wiley. DOI: 10.1111/ijac.13312 ISSN 1546-542X

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Abstract

The paper presents characterization and modeling of generation of cracks during pyrolysis process of manufacturing of C/C–SiC material. Crack patterns during pyrolysis strongly depend on the fiber/matrix interface strength and temperature. In order to model the exact crack pattern as in the material, fiber/matrix interface strength was taken as a varying parameter and temperature change boundary conditions were applied on a virtual microstructure (50 × 50 μm2). The resulting crack pattern is then compared with SEM images of material with high and low fiber/matrix interface strength. The presented models are successfully able to simulate the material behavior and the consequent generation of cracks during pyrolysis process. Microstructure of the material has been then analyzed with the help of image segmentation techniques using Python. Based on the crack area distribution obtained from the SEM‐analysis, microstructures can now be compared qualitatively as well as quantitatively.

Item URL in elib:https://elib.dlr.de/130770/
Document Type:Article
Title:Characterization and modeling of transverse micro-cracking during pyrolysis process of carbon fiber reinforced plastics
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Jain, NerajNeraj.Jain (at) dlr.dehttps://orcid.org/0000-0002-7853-1894
Kosin, Marvinmarvin.kosin (at) rub.deUNSPECIFIED
Shi, Yuanyuan.shi (at) dlr.deUNSPECIFIED
Koch, DietmarDietmar.Koch (at) dlr.dehttps://orcid.org/0000-0003-4504-8721
Date:19 June 2019
Journal or Publication Title:International Journal of Applied Ceramic Technology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1111/ijac.13312
Publisher:Wiley
ISSN:1546-542X
Status:Published
Keywords:characterization, cracking, image analysis, modeling, pyrolysis
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: Jain, Neraj
Deposited On:19 Nov 2019 12:07
Last Modified:19 Nov 2019 12:07

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