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Spring 2012
The present study has focused on the effects of Powdered Activated Carbon (PAC) in fly ash on the air-entraining admixture demand and consequent properties of concrete. An extensive laboratory test program was completed during this investigation. Three series of mixes were designed to evaluate...
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Characterization of Cellulose Nanocrystals and Their Application in Polyethylene Composites
DownloadSpring 2016
Cellulose nanocrystals (CNC) are an emerging green nanomaterial with a unique property set that permits its use to enhance traditional materials in various ways. One of the main focuses has been to impart the incredible mechanical stiffness of these nano particles into conventional thermoplastic...
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2015-06-01
My interests were broad during my career. I studied both natural and manufactured fibers and researched in many areas including pyrolysis, flammability, crosslinking, and weathering. My work on cellulose included studies in which the starting products were cotton, ramie, viscose rayon,...
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Effect of Cellulose Nanocrystal Particles on Rheology, Transport and Mechanical Properties of Oil Well Cement Systems
DownloadSpring 2018
The increase in oil consumption during the past few decades, coupled with oil/gas extraction from shale in the recent years has increased drilling and cementing demands. Well cementing operation is one of the most crucial and important steps in any well completion. However, since it takes place...
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Fall 2019
The most common detrimental processes that lead to reduction in durability in reinforced concrete elements are shrinkage, sulphate attack and chloride attack. Shrinkage is a dimensional instability chiefly caused by a loss of moisture in the hydrating cement paste. Soluble sulphate ions take part...
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Spring 2013
The durability of concrete is one of its most important properties and has been an attractive subject for research in recent years. One of the criteria that affect concrete durability is permeability. Transport processes in concrete have been investigated for several decades. However, the...
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Mapping the surface potential, charge density and adhesion of cellulose nanocrystals using advanced scanning probe microscopy
Download2020-06-18
Cellulose nanocrystals (CNC) are the focus of significant attention in the broad area of sustainable technologies for possessing many desirable properties such as a large surface area, high strength and stiffness, outstanding colloidal stability, excellent biocompatibility and biodegradability,...
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Nanofiber production from agricultural straw biomass using pressurized fluids and ultrasound processing for tissue engineering scaffolds
DownloadSpring 2020
Agricultural straw is an abundant lignocellulosic biomass mainly composed of cellulose (33-75%), hemicellulose (13-37%) and lignin (3-31%) that offers great potential as a feed material for a biorefinery. Emerging technologies such as pressurized fluid fractionation and high-intensity ultrasound...
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2015-06-01
The article discusses automotive textile fabrics, which can be found throughout any vehicle one drives, such as the top of the car and on the doors, on the seats, on the floors and in the trunk. Topics discussed include number of issues to be considered with automotive textiles such as...