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Stress mapping of textile composite ...

Shady, Ebraheem Hassan E. H.

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Stress mapping of textile composite materials and its application in interfacial shear behavior.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Stress mapping of textile composite materials and its application in interfacial shear behavior./
作者:	Shady, Ebraheem Hassan E. H.
面頁冊數:	168 p.
附註:	Director: Yasser A. Gowayed.
Contained By:	Dissertation Abstracts International66-12B.
標題:	Textile Technology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3201593
ISBN:	9780542467981

Stress mapping of textile composite materials and its application in interfacial shear behavior.
Shady, Ebraheem Hassan E. H.

Stress mapping of textile composite materials and its application in interfacial shear behavior. - 168 p.

Director: Yasser A. Gowayed.

Thesis (Ph.D.)--Auburn University, 2005.

Mapping of the stress distribution in composite materials, both at the fiber/matrix interface and at the composite constituents themselves, is important to understand the material mechanical response. Stress mapping can help predict composite behavior under certain stresses especially failure or delamination. In this work, two analytical models were proposed to map the stress distribution at fiber, matrix and fiber/matrix interface. The first model dealt with the fiber in the longitudinal direction considering axisymmetric conditions. The second model addressed the fiber stress distribution in the transverse direction. Both models were verified using finite element models.

ISBN: 9780542467981Subjects--Topical Terms:

1020710
Textile Technology.

Stress mapping of textile composite materials and its application in interfacial shear behavior.
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100 1 $a Shady, Ebraheem Hassan E. H. $3 1275810
245 1 0 $a Stress mapping of textile composite materials and its application in interfacial shear behavior.
300 $a 168 p.
500 $a Director: Yasser A. Gowayed.
500 $a Source: Dissertation Abstracts International, Volume: 66-12, Section: B, page: 6904.
502 $a Thesis (Ph.D.)--Auburn University, 2005.
520 $a Mapping of the stress distribution in composite materials, both at the fiber/matrix interface and at the composite constituents themselves, is important to understand the material mechanical response. Stress mapping can help predict composite behavior under certain stresses especially failure or delamination. In this work, two analytical models were proposed to map the stress distribution at fiber, matrix and fiber/matrix interface. The first model dealt with the fiber in the longitudinal direction considering axisymmetric conditions. The second model addressed the fiber stress distribution in the transverse direction. Both models were verified using finite element models.
520 $a As an application for the stress mapping models, interfacial shear behavior was chosen for its importance in modeling and design of composite materials. Two fabric structures were used to manufacture five different panels for each fabric. The number of fabric layers for each plate ranged from 5 to 9 layers systematically altering the volume fraction and nesting characteristics of each plate. Four-point flexural tests were used to obtain a pure bending state between load noses. The maximum tensile stress and crack initiation stress at the bottom layer were experimentally evaluated.
520 $a Experimental data was processed using the Graphical Integrated Numerical Analysis software (pcGINA) to obtain the maximum stress in the target laminate and this value was used as the input for the two analytical models. The value for the maximum interfacial shear stress which is responsible for crack initiation in the laminate was calculated using the models and results were compared to pull-out fiber test values obtained from literature. Good agreement was observed between the model results and the literature data.
590 $a School code: 0012.
650 4 $a Textile Technology. $3 1020710
690 $a 0994
710 2 $a Auburn University. $3 1020457
773 0 $t Dissertation Abstracts International $g 66-12B.
790 $a 0012
790 1 0 $a Gowayed, Yasser A., $e advisor
791 $a Ph.D.
792 $a 2005
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