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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.
Search results
Showing 131 to 140 of 1392 (0.082 seconds)| 131 |
Detection of transverse cracking in a hybrid composite laminate using acoustic emissionJong, Hwai-jiang, Schapery, Richard Allan, Ravi-Chandar, K., January 2003 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2003. / Supervisors: Richard A. Schapery and K. Ravi-Chandar. Vita. Includes bibliographical references. Also available from UMI.
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| 132 |
Fracture and friction /Gerde, Eric Stendahl, January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references (leaves 194-200). Available also in a digital version from Dissertation Abstracts.
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On the rate of slow cracking of materials.Mai, Y. W., January 1972 (has links)
Thesis--Ph. D., University of Hong Kong. / Offset from typescript. MIT Press.
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Development of an anisotropic damage mechanics model in ductile fracture /Wang, Chun. January 1987 (has links)
Thesis (Ph. D.)--University of Hong Kong, 1988.
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Quasistatic crack propagation in elastic structures, with non-linear load-displacement relationships at constant crack area.Ngan, Ka-mok. January 1971 (has links)
Thesis--Ph. D., University of Hong Kong. / Offset from typescript.
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Ripples and cracks in grapheneMoura, Maria João Brito 27 September 2012 (has links)
Graphene is a single layer two-dimensional honeycomb lattice of carbon atoms. It is one of the toughest, lightest, and most conductive materials known. Graphene was first isolated using adhesive tape in 2004, and awarded the Physics Nobel Prize in 2010.
Here we focus on the mechanical properties of graphene. First we present an analytical study, together with numerical simulations, of ripples in graphene. We show that ripples observed in free-standing graphene sheets can be a consequence of adsorbed OH molecules sitting on random sites. The adsorbates cause the bonds between carbon atoms to lengthen slightly.
In the second part of this work we study the fracture mechanics of graphene. Experiments on free-standing graphene can expose the graphene sheets to out-of-plane forces. Here we show that out-of-plane forces can cause free-standing graphene to fracture. This fracture mode is known as the tearing mode and is common in materials such as paper. We present a numerical study of the propagation of cracks in clamped, free-standing graphene as a function of the out-of-plane force. We also obtain an analytical expression for the minimum force required to tear a two dimensional sheet, which is our model of graphene, in terms of the initial crack length. / text
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Detection of transverse cracking in a hybrid composite laminate using acoustic emissionJong, Hwai-jiang, 1962- 07 July 2011 (has links)
Not available / text
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On fatigue failure prediction with damage mechanics: theory and application魏勇, Wei, Yong. January 1993 (has links)
published_or_final_version / Mechanical Engineering / Doctoral / Doctor of Philosophy
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| 139 |
Development of an anisotropic damage mechanics model in ductile fracture王軍, Wang, Chun. January 1987 (has links)
published_or_final_version / Mechanical Engineering / Doctoral / Doctor of Philosophy
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| 140 |
Quasistatic crack propagation in elastic structures, with non-linear load-displacement relationships at constant crack areaNgan, Ka-mok, 顔家謨. January 1971 (has links)
published_or_final_version / Mechanical Engineering / Doctoral / Doctor of Philosophy
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