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Mechanics of polymeric composites exposed to a constant heat flux

Tuttle, M.E. / Mescher, A.M. / Potocki, M.L.

An analysis procedure is presented which can be used to model the behavior of a polymeric composite panel when subjected to both external loading as well as the high heat flux levels associated with a fire. The procedure accounts for the elastic and viscoelastic-viscoplastic response, thermal gradients and thermal stresses, and pyrolysis effects. Predictions based on estimated properties for an E-glass/polyester composite panel subjected to a uniaxial tensile stress of 240 MPa and a 1-D heat flux level of 10 kW/m² are presented. The predicted response is considered to be a reasonable representation of the expected behavior.

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Mechanics of polymeric composites exposed to a constant heat flux

Tuttle, M.E. / Mescher, A.M. / Potocki, M.L.

An analysis procedure is presented which can be used to model the behavior of a polymeric composite panel when subjected to both external loading as well as the high heat flux levels associated with a fire. The procedure accounts for the elastic and viscoelastic-viscoplastic response, thermal gradients and thermal stresses, and pyrolysis effects. Predictions based on estimated properties for an E-glass/polyester composite panel subjected to a uniaxial tensile stress of 240 MPa and a 1-D heat flux level of 10 kW/m² are presented. The predicted response is considered to be a reasonable representation of the expected behavior.

Mechanics of polymeric composites exposed to a constant heat flux

Tuttle, M.E. / Mescher, A.M. / Potocki, M.L.

An analysis procedure is presented which can be used to model the behavior of a polymeric composite panel when subjected to both external loading as well as the high heat flux levels associated with a fire. The procedure accounts for the elastic and viscoelastic-viscoplastic response, thermal gradients and thermal stresses, and pyrolysis effects. Predictions based on estimated properties for an E-glass/polyester composite panel subjected to a uniaxial tensile stress of 240 MPa and a 1-D heat flux level of 10 kW/m² are presented. The predicted response is considered to be a reasonable representation of the expected behavior.

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Title:

Mechanics of polymeric composites exposed to a constant heat flux

Contributors:

Tuttle, M.E. (author) / Mescher, A.M. (author) / Potocki, M.L. (author)

Published in:

Composites and Functionally Graded Materials, 1997, ASME International Mechanical Engineering Congress and Exposition, 1997 ; 157-164

Publication date:

1997

Size:

8 Seiten, 11 Quellen

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Polyester , glasfaserverstärkter Kunststoff , Viskoelastizität , Viskoplastizität , Temperaturgradient , Wärmespannung , Pyrolyse , Wärmestrom , Zugeigenschaft , Zugspannung

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