TY - GEN
T1 - Micro-cracking model for estimating thermal properties of woven composite laminates for fire environments
AU - Luo, Changsong
AU - DesJardin, Paul E.
PY - 2009
Y1 - 2009
N2 - This study is on development of a micro-cracking model for estimating thermal and mechanical properties of 3D composite woven laminate structures for fire environments. Homogenization methods are used to formulate the damaged material in terms of the volume fractions associated with composite fiber, resin, char and possible micro-cracks. A modified shear-lag model is developed to account for the effects of thermal expansion and pore gas pressure. Local solutions from the model are show the sensitivity of crack width on thermal and pressure loadings. Based on estimates of crack width, thermal properties of gas permeability and effective conductivity are presented using constitutive relations from porous media descriptions.
AB - This study is on development of a micro-cracking model for estimating thermal and mechanical properties of 3D composite woven laminate structures for fire environments. Homogenization methods are used to formulate the damaged material in terms of the volume fractions associated with composite fiber, resin, char and possible micro-cracks. A modified shear-lag model is developed to account for the effects of thermal expansion and pore gas pressure. Local solutions from the model are show the sensitivity of crack width on thermal and pressure loadings. Based on estimates of crack width, thermal properties of gas permeability and effective conductivity are presented using constitutive relations from porous media descriptions.
UR - https://www.scopus.com/pages/publications/74949128917
M3 - Conference contribution
AN - SCOPUS:74949128917
SN - 9781934551059
T3 - International SAMPE Symposium and Exhibition (Proceedings)
BT - SAMPE '09 Spring Symposium Conference Proceedings
T2 - SAMPE '09 Spring Symposium Conference Proceedings
Y2 - 18 May 2009 through 21 May 2009
ER -