Browsing College of Arts & Sciences by Author "Youssef, Khaled"
Now showing items 1-13 of 13
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Biodegradable thermoplastic polyurethane composites as potential plating systems in pediatric facial fractures
ALANI, AYA AHMED (2022 , Master Thesis)Due to the rapid growth of facial bone in the pediatric age group, the use of metallic plates would require a second surgical intervention to remove it. The alternative is biodegradable plating systems which are safe but ... -
EFFECT OF ALUMINUM CONCENTRATION ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NICRCONB HIGH ENTROPY ALLOYS
ABDALLAH, OMAR ADEL MUSTAFA (2023 , Master Thesis)The debate between growing economies and increased environmental burdens forces countries to make excessive efforts to reduce their energy consumption. The reduction of weight in structural materials, such as Al-based and ... -
Enhancing the Thermoelectric Properties of N-type Bismuth-Telluride-Based Alloys Using Graphene As A Nanofiller
Elmakaty, Farah (2020 , Master Thesis)Bismuth telluride chalcogenides are the ideal thermoelectric materials used for near room temperature applications. However, the usage of these materials is relegated to a few applications as a result of the extremely low ... -
The Influence of Carbon Nanotubes on the Thermoelectric Properties of Bismuth Telluride
Akbar, Himyan Mohammed (2020 , Professional Masters Project)Thermoelectric materials are devices that have the ability to convert waste heat to electricity. The widespread use of thermoelectric materials is currently limited by the low value of their figure-of-merit (ZT). Bismuth ... -
Optimization and Stabilization of P-Type BISBTE/GRAPHENE Nanocomposites for Efficient Thermoelectric Energy Conversion
Lemine, Aicha Sidi (2020 , Master Thesis)The state-of-the-art Bismuth Antimony Telluride (BiSbTe) alloys have a promising potential to advance thermoelectric applications in energy harvesting for efficient power generation and active refrigeration. In this ... -
Properties and thermal stabilization of Nanocrystalline copper via solute additions of niobium
Abaza, Mohamed A (2017 , Master Thesis)Nanocrystalline materials, those with grain size <100 nm, were found to have superior mechanical properties compared to their coarse-grained (CG) counterparts. However, these materials are not thermally stable because of ... -
Surface characterization and luminescence properties of AlN doped with RE elements (Sm, Ho, Gd, Tm)
Balogun, Ismail Ayodele (2015 , Master Thesis)Rare‐ earth (RE)‐doped III‐nitride broad band‐gap semiconductors have attracted enormous interest as a foundation for optoelectronics devices, which combine the unique luminescence feature of Rare‐earth ions with the ... -
SYNTHESIS AND PROPERTIES OF NANOCRYSTALLINE BI-TE BASED THERMOELECTRIC MATERIALS FOR ENERGY APPLICATION
Alsalama, Manal Mohammed (2016 , Master Thesis)Thermoelectric phenomenon is the science associated with converting thermal energy into electricity based on the Seebeck effect. Bismuth telluride Bi2Te3 is currently considered to be the state-of-the art thermoelectric ... -
THE EFFECT OF NIOBIUM ON THE PHASE STABILITY AND MECHANICAL PROPERTIES OF NICKEL-BASED HIGH ENTROPY ALLOYS
AL MAADEED, FATMA (2023 , Master Thesis)A fundamental understanding of the mechanisms of phase stability of high entropy alloys (HEAs) and the influence of refractory elements is a recent topic of active research. This study investigates the effect of Niobium ... -
THE EFFECT OF SINGLE WALLED CARBON NANOTUBES ON THE THERMOELECTRIC PROPERTIES OF BISMUTH TELLURIDE
MOHAMED, MOHAMED ALAMELDIN ALI (2022 , Master Thesis)Modern new technologies, including carbon nanomaterials, polymers performed electronically, and their nanocomposites enhance the performance of thermoelectric materials. Thermoelectrical responses can be improved by ... -
THE INFLUENCE OF SINGLE WALLED CARBON NANOTUBES ON THE THERMOELECTRIC PROPERTIES OF P-TYPE BISMUTH TELLURIDE COMPOSITE
HEGAZY, SARA MOHAMED (2023 , Master Thesis)The most important thermoelectric materials for applications close to room temperature are made of bismuth telluride. The number of applications for these materials, however, is constrained by their extremely low heat ... -
Thermal Stabilization and Mechanical Properties of Nanocrystalline Al and Al-Li Alloys
Ahmad, Sara Iyad (2016 , Master Thesis)Aluminum alloys in the conventional grain size state have had their share of research and are implemented in a variety of applications in our everyday life such as being the main structural materials in automobiles, ... -
Thermoelectric Behavior of Nanocrystalline Tin Selenide Nanocomposites
Chamakh, Mariem (2018 , Master Thesis)Thermoelectric technology converts thermal energy to electricity. Many studies were conducted on thermoelectric materials such as Bismuth Telluride and Lead Telluride. And the goal was to achieve an average ZT >2 which is ...