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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 41 to 50 of 6462 (0.043 seconds)Spelling suggestions: "subject:"composite"" "subject:"eomposite""
| 41 |
Multiscale modeling of laminated composites under extreme environmental conditions / Modélisation des composites stratifiés sous sollicitations environnementales et mécaniques extrêmesZhang, Fangzhou 11 July 2014 (has links)
À haute température, l'oxygène réagit avec la matrice organique du matériau composite, ce qui change les propriétés du matériau et réduit la résistance à la rupture globale. Mais la compréhension de la dégradation du composite stratifié oxydé, en particulier son comportement à l'échelle du pli, est aujourd'hui limitée et phénoménologique. Les travaux dans cette thèse ont été réalisés pour donner notre contribution sur les aspects méthodologiques de ce sujet. Des essais sont réalisés pour caractériser expérimentalement le comportement d'éprouvette oxydée : en particulier, un nouveau essai, l'essai 'oxy-délaminage', a été développé pour identifier la ténacité du matériau composite vieilli. Une stratégie a été proposée d'étudier le problème à partir des propriétés de la matrice oxydée à l'échelle fibre/matrice et jusqu'à la reproduction et la prédiction du comportement de fissuration transversale des échantillons oxydés à échelle méso via un procédé d'homogénéisation. / At high temperature, the oxygen reacts with the organic matrix of composite material, which changes the material properties and reduces the resistance to global failure. But understanding on the degradation of the oxidized composite laminate, particularly its damage behavior, is now limited and phenomenological. Work in this thesis has been made to give our contribution to the methodological aspects of this topic. Tests are performed to characterize experimentally the behaviors of the oxidized specimens: in particular, a new test test oxy-delamination ', was developed to identify the tenacity of composite material aged. A strategy has been proposed to study the problem from the properties the oxidized matrix at the fiber/matrix scale up to the reproduction and predicting the behavior of transverse cracking of the sample at the scale of a ply via a homogenization process.
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| 42 |
Effects of delamination on composite structures under static and fatigue loading a thesis /Eswonia, Eugene E. Kolkailah, Faysal A. January 1900 (has links)
Thesis (M.S.)--California Polytechnic State University, 2009. / Mode of access: Internet. Title from PDF title page; viewed on Jan. 21, 2010. Major professor: Dr. Faysal Kolkailah. "Presented to the faculty of California Polytechnic State University, San Luis Obispo." "In partial fulfillment of the requirements for the degree [of] Master of Science in Aerospace Engineering." "December 2009." Includes bibliographical references (p. 92-93).
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| 43 |
Analysis of composite moving beams using higher order shear deformation theoryNagappan, Govindan. January 2004 (has links)
Thesis (M.S.)--West Virginia University, 2004. / Title from document title page. Document formatted into pages; contains xi, 126 p. : ill. Includes abstract. Includes bibliographical references (p. 123-126).
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| 44 |
Geometrically nonlinear analysis of laminated composites with extension-twist couplingMakeev, Andrew 12 1900 (has links)
No description available.
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| 45 |
Damage of composite structures : detection technique, dynamic response and residual strengthLestari, Wahyu 08 1900 (has links)
No description available.
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| 46 |
Fatigue delamination growth under cyclic compression in unidirectional compositesMalik, Basharat U. 12 1900 (has links)
No description available.
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| 47 |
Damage modeling for durability of compositesAkshantala, Nagendra Prasad V. 12 1900 (has links)
No description available.
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| 48 |
Design of composite structures using knowledge-based and case-based reasoningLambright, Jonathan Paul 12 1900 (has links)
No description available.
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| 49 |
Determination of the first damage criterion of a glass/epoxy composite material using an in-situ test systemde Vaulx, Thomas 05 1900 (has links)
No description available.
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| 50 |
Determination of a local damage threshold criterion for a laminate glass/epoxy under an intermediate rate of loadingBarre, Vincent Henri 05 1900 (has links)
No description available.
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