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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F09%3A00158102%21RIV10-MSM-21110___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Three-scale homogenization procedure is proposed to provide estimates of the effective thermal conductivities of porous C-C textile composites. On each scale - the level of fiber tow, the level of yarns and the level of laminate - a two step homogenization procedure based on the Mori-Tanaka averaging scheme is adopted. This involves evaluation of the effective properties first in the absence of pores. In the next step, an ellipsoidal pore is introduced into a new, generally orthotropic, matrix to make provision for the presence of crimp voids and transverse and delamination cracks resulting from the thermal transformation of a polymeric precursor into the carbon matrix. Other sources of imperfections also attributed to the manufacturing processes, including non-uniform texture of the reinforcements, are taken into consideration through the histograms of inclination angles measured along the fiber tow path together with a particular shape of the equivalent ellipsoidal inclusion. Three-scale homogenization procedure is proposed to provide estimates of the effective thermal conductivities of porous C-C textile composites. On each scale - the level of fiber tow, the level of yarns and the level of laminate - a two step homogenization procedure based on the Mori-Tanaka averaging scheme is adopted. This involves evaluation of the effective properties first in the absence of pores. In the next step, an ellipsoidal pore is introduced into a new, generally orthotropic, matrix to make provision for the presence of crimp voids and transverse and delamination cracks resulting from the thermal transformation of a polymeric precursor into the carbon matrix. Other sources of imperfections also attributed to the manufacturing processes, including non-uniform texture of the reinforcements, are taken into consideration through the histograms of inclination angles measured along the fiber tow path together with a particular shape of the equivalent ellipsoidal inclusion.
dcterms:title
Evaluation of homogenized thermal conductivities of imperfect carbon-carbon textile composites using the Mori-Tanaka method Evaluation of homogenized thermal conductivities of imperfect carbon-carbon textile composites using the Mori-Tanaka method
skos:prefLabel
Evaluation of homogenized thermal conductivities of imperfect carbon-carbon textile composites using the Mori-Tanaka method Evaluation of homogenized thermal conductivities of imperfect carbon-carbon textile composites using the Mori-Tanaka method
skos:notation
RIV/68407700:21110/09:00158102!RIV10-MSM-21110___
n4:aktivita
n13:Z n13:P
n4:aktivity
P(GA106/07/1244), Z(MSM6840770003)
n4:cisloPeriodika
4
n4:dodaniDat
n16:2010
n4:domaciTvurceVysledku
n12:3638464 n12:8441804
n4:druhVysledku
n5:J
n4:duvernostUdaju
n9:S
n4:entitaPredkladatele
n19:predkladatel
n4:idSjednocenehoVysledku
313863
n4:idVysledku
RIV/68407700:21110/09:00158102
n4:jazykVysledku
n15:eng
n4:klicovaSlova
Carbon-carbon composites; multi-scale analysis; Mori-Tanaka method; optimization; porous materials
n4:klicoveSlovo
n10:Carbon-carbon%20composites n10:Mori-Tanaka%20method n10:multi-scale%20analysis n10:optimization n10:porous%20materials
n4:kodStatuVydavatele
KR - Korejská republika
n4:kontrolniKodProRIV
[AC7E90125B70]
n4:nazevZdroje
Structural Engineering and Mechanics
n4:obor
n14:JI
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n6:GA106%2F07%2F1244
n4:rokUplatneniVysledku
n16:2009
n4:svazekPeriodika
33
n4:tvurceVysledku
Vorel, Jan Šejnoha, Michal
n4:wos
000271086900003
n4:zamer
n11:MSM6840770003
s:issn
1225-4568
s:numberOfPages
18
n18:organizacniJednotka
21110