Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 114 for “"Smart Materials"”.
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Reinforced concrete : applicability of smart materials
… Reinforced concrete, one of the most widely used materials, can be reinvented using this philosophy. In this thesis, smart materials are classified as materials which can provide sensing, actuation or self-repair. Three different smart materials were studied including self-healing concrete which …
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Smart Materials for Cartilage and Bone Tissue Engineering
… bone. Hence, in this thesis, a variety of smart materials, such as thermosensitive poly (N-isopropylacrylamide-acrylic acid) hydrogel and magnetic field-responsive scaffold, were fabricated, characterized, and utilized for three-dimensional (3D) culture of mesenchymal stem/stromal cells …
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Application of smart materials for vibration reduction in ships
Smart Materials have been investigated for decades and widely used in the automotive and aeronautics industries to measure and control noise and vibration. This study covered ship structure vibration and Smart Materials were employed for the purpose of ship vibration attenuation. One specific Smart …
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Integrating Smart Materials and Adhesion Mechanics for Soft Gripping Mechanisms
Surfaces comprised of soft elastomeric materials can adhere to a broad range of substrates and thus have applications in transfer printing, handling in automated manufacturing processes, and climbing robots. Polydimethylsiloxane (PDMS) and Ecoflex-50 are among the most commonly used elastomers in …
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Towards the Uncanny Object: Creating Interactive Craft with Smart Materials
… research presented in this thesis focuses on how smart materials and microelectronic components could be used to create synergetic digital jewellery objects and wearable futures that reflect changes in the body of their wearer and their environment through dynamic responses. Laying the foundations …
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New functional polymers for sensors, smart materials and solar cells
… can be used as the active component of sensors, smart materials, chemical-delivery systems and the active layer of solar cells. The rational design and modification of the chemical structure of polymers has enabled control over their properties and morphology, leading to the advancement of …
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Dynamics of smart materials in high intensity focused ultrasound field
Smart materials are intelligent materials that change their structural, chemical, mechanical, or thermal properties in response to an external stimulus such as heat, light, and magnetic and electric fields. With the increase in usage of smart materials in many sensitive applications, the need for a …
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Vibration Suppression Using Smart Materials in the Presence of Temperature Changes
… the panel can be increased up to 65°C (150°F). Smart material based sensors and actuators are used to interface the mechanical system with the electronic controller. The active controller utilizes three positive position feedback (PPF) filters implemented through a digital signal processor …
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Vibration analysis and intelligent control of flexible rotor systems using smart materials
… induced by mass unbalance and to use smart materials to stabilise the performance of the flexible rotor-system. A comprehensive mathematical model incorporating translational and rotational inertia, bending stiffness and gyroscopic moment is developed. The dynamic end conditions of the …
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Synthesis and evaluation of quadruple hydrogen-bonding modules for smart materials applications
… of DNA base pair mimics for supramolecular and materials chemistry applications. Recently, the ureido-7-deazaguanine (DeUG) and 2,7-diamidonaphthyridine (DAN) H-bonding modules have been shown to form a highly stable complex (Kassoc = 10^8 M^–1) in chloroform solution. Use of these units in …
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Active Dynamic Analysis and Vibration Control of Gossamer Structures Using Smart Materials
… effectively control the structure's vibration. Smart materials can be used for both active dynamic analysis as well as active control. In particular, piezoelectric materials, which demonstrate electro-mechanical coupling, are able to sense vibration and consequently can be integrated into a …
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Development, characterization and applications of magnetorheological fluid based "smart" materials on the macro-to-micro scale
… when acted upon by an external magnetic field. 'Smart' or controllable composite materials have been obtained by doping polymers, foams, fabrics etc. with these field-responsive fluids. The resulting composite materials have potential applications in numerous fields ranging from adaptive energy …
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INNOVATIVE SYSTEMS FOR THE MITIGATION OF RISKS: CATALYSTS AND SMART MATERIALS FOR DETECTION AND DECONTAMINATION OF HAZARDOUS CHEMICAL, BIOLOGICAL AND EXPLOSIVE SUBSTANCES
… chemicals. In this study, nanostructured porous materials, including commercial non-ordered aluminosilicates (SiO2-Al2O3), niobium oxide (Nb2O5), and modified synthetic saponites clays (NbSAP, Na-SAP, H-SAP), were selected and tested as heterogeneous catalysts for the liquid-phase degradation of …
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The application of visualisation tools to enable architects to explore the dynamic characteristics of smart materials in a contemporary Shanashil building design element for hot arid climates
… arid climates. This research seeks to select a smart material which mimics the dynamic characteristics observed in nature, inspired from biomimetics, taking into consideration the role of sustainable development. Such qualities are found in the characteristics of smart dynamic glazing material …
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Analysis and Design of a Morphing Wing Tip using Multicellular Flexible Matrix Composite Adaptive Skins
… the analysis of a morphing wing tip composed of smart materials. Much research is currently being performed within many facets of engineering on the use of smart or intelligent materials. Examples of the beneficial characteristics of smart materials might include altering a structure's mechanical …
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Aerodynamic analysis and optimisation of a servo-controlled aileron
… fuel is mounting. It has been conjectured that smart materials could be employed to control the aileron deflections via the tab, using with an electrically-actuated system instead of the bulky hydraulics currently used. In a collaboration between a leading aircraft manufacturer and four South …
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