A5062390694- Polymer Nanocomposites and Properties
- Aluminum Alloys Composites Properties
- Magnesium Alloys: Properties and Applications
- Polymer crystallization and properties
- Aluminum Alloy Microstructure Properties
- Microplastics and Plastic Pollution
- Mechanical Behavior of Composites
- Recycling and Waste Management Techniques
- Polymer-Based Agricultural Enhancements
- biodegradable polymer synthesis and properties
- Metal and Thin Film Mechanics
- Effects and risks of endocrine disrupting chemicals
- Force Microscopy Techniques and Applications
- Geotechnical Engineering and Soil Stabilization
- Concrete and Cement Materials Research
Texas A&M University at Qatar
2012-2023
Texas A&M University
2015-2023
Universidad de Alcalá
2021-2022
The generation of small fragments from the environmental ageing microplastics (MPs) is still a poorly known process. This work addresses fragmentation MPs obtained marine debris consisting polyethylene and polypropylene (PE PP in mixture) polystyrene (PS) after exposure to accelerated by irradiation mechanical stirring. Number particle size distribution 1-100 μm range was assessed combining laser diffractometry with counts flow cytometry. results showed high number MP particles, which...
This paper reports a laboratory investigation aimed at evaluating the potential of polymer binders to stabilize pavement subgrades in Qatar. The conclusions regarding impact stabilizers are based on comparisons with selected physical, chemical, mechanical, and microstructural properties natural Qatari subgrade soil soils stabilized traditional standard, portland cement (PC). results demonstrate that modify resulting more favorable engineering properties: for example, compressive strengths...
This work investigated the structural and chemical changes of plastics undergoing accelerated ageing upon irradiation that simulated ultraviolet component solar radiation for a five-year period. The selected were polyethylene (PE) polypropylene (PP) microplastic debris sampled from sandy beach as well pure pellets fragments objects made same polymers. We recorded Fourier Transform Infrared (FTIR) spectra at prescribed intervals during procedure. used to study evolution absorption peaks...
This study evaluates the potential of selected ionic polymers to act as pavement subgrade binders. Investigations were based on their relative performance with a Qatari soil which was typical be found in Middle East and North African region. The polymeric binders chosen three synthetic variations polyacrylamide: cationic poly(acrylamidopropyl trimethyl ammonium chloride) (designated PAMTAC), anionic hydrolysed poly(acrylamide) (HPAM) ampholitic terpolymer...
Abstract The need to produce vehicles with improved fuel efficiency and reduced emissions has led the automotive industry consider use of “lightweighting” materials in construction body chassis systems. For structures closure panel applications, mostly made sheet, aluminum alloys are being introduced due their lower densities relatively high specific strengths, as well compatibility traditional manufacturing process that used steel. However, interest been increasingly focusing on sheet...