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.
Results
Showing 1 to 12 of 12 for “"Fiber materials"”.
-
Multifunctional Composites Using Carbon Nanotube Fiber Materials
<p>Composite materials have high in-plane mechanical properties and are lightweight. Thus laminated composites are widely used in engineering applications. However, interlaminar stresses can arise and lead to premature failure at low in-plane stress levels. This constitutes a fundamental weakness …
-
Sustainable Engineering of Polyethylene Fiber Materials: Advancing Functional Properties of Diverse Textile-Based Structures
… both aesthetic and functional performance in new materials. Together, these efforts propose a model for advancing sustainable textile innovation that bridges material science, circular design, and policy transformation.
-
Calculation of electrical conductivity and electrothermal analysis of multilayered carbon reinforced composites: application to damage detection
… multilayered and electrically anisotropic carbon fiber materials can be expressed by an equivalent second order tensor, which is equal to sum of each layer’s electrical conductivity tensor. The aforementioned equivalent electrical conductivity tensor is valid assuming that the material’s thickness …
-
Design and Analysis of a Monocoque Chassis for an Electric Formula SAE Vehicle
… the directional stiffness of anisotropic carbon fiber materials, a monocoque design offers a stiffer structure with similar or lower total mass resulting in a high specific stiffness design that out-performs conventional welded designs. This thesis provides a detailed background on chassis design …
-
STRUCTURE AND PROPERTIES OF PIEZOELECTRIC NANOFIBERS FOR ELECTROMECHANICAL COUPLING APPLICATIONS
Many emerging applications demand flexible materials for efficient electromechanical conversions. With potential to improve flexibility and electromechanical coupling performance, due to the finite size effect and high specific surface areas, one-dimensional (1D) nanostructured piezoelectric …
-
EARTH & FIBERS. Local Technologies Earthen Composites (LoTEC). Local reuse of by-products for zero-waste building materials. Appropriate building solutions in vernacular and contemporary architecture.
… of the construction sector by re-examining local materials and traditional knowledge, through scientific experimentation. Entitled EARTH & FIBERS Local Technologies Earthen Composites (LoTEC), the thesis investigates earth and vegetal-fiber composites derived from agricultural and excavation …
-
Digital Fibers: Materials, Processing, and Information
… have progressed dramatically, one can argue that materials have not been tailored or designed to capture the spectra of digital capabilities out there. In this thesis, I seek to synergize digital tools with fiber materials towards constructing devices of new form factors and fibers with digital …
-
FAILURE MECHANISMS OF ULTRA HIGH MOLAR MASS POLYETHYLENE SINGLE FIBERS AT EXTREME TEMPERATURES AND STRAIN-RATES
… High Molar Mass Polyethylene (UHMMPE) single fibers was investigated at eleven temperatures from room temperature (20 °C) to the orthorhombic-hexagonal phase transition (148 °C) and at six strain-rates from quasi-static (10-3 s-1) to dynamic (103 s-1). Dimensional analysis of ballistic limit …
-
Flexural Stiffnesses of and Dimensional Stability in Circular Quasi-isotropic Laminate Mirrors
Composite fiber reinforced plastics are being given favorable consideration for emerging applications in large aperture telescopes, such as the Hubble telescope or communication dishes. Many lightweight mirror fabrication concepts are currently being pursued. Presently, the technology is limited …
-
The study of acoustic properties of P205-doped silica fiber
Silica-based optical fibers have been applied to numerous fields. The interactions between acoustic phonons and the optical wave are involved in several of these applications. A significant stimulated scattering mechanism observed is stimulated Brillouin scattering (SBS), resulting in strong …
-
Investigation of nanoscale mechanisms driving erosion and pitting in graphitic carbon
… that causes oxidative pitting in carbon materials is essential to accurately predict ablation rates of Thermal Protection Systems (TPS) during hypersonic reentry. The extreme heat and unique gas phase chemistry encountered during hypersonic reentry necessitates an analysis of the …