Browsing The University of Oklahoma by Author "Saha, Mrinal C."
Now showing items 1-14 of 14
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A Comprehensive Study on Moisture Absorption of Thermosetting Polymers, Micro- and Nanocomposites, and Foams
Guloglu, Gorkem Egemen (2018-12-14)Molecular diffusion is the transfer or movement of individual molecules through a fluid or a solid by means of random, individual movements of the molecules. Even though moisture can diffuse into all materials above the ... -
Enhanced Electrical Conductivity of Carbon Nanotube-Based Elastomer Nanocomposites Prepared by Microwave Curing
Herren, Blake; Preston, Larson; Saha, Mrinal C.; Yingtao, Liu (2019-07-25)Nanocomposites consisting of polydimethylsiloxane (PDMS) and well-dispersed carbon nanotubes (CNT) can be cured by microwave radiation within a minute, forming a conductive network within the cured materials. Microwave ... -
Fabricating High-Quality Structural Composite Laminates and Tailoring Their Surface Microstructure by Applying Magnetic Pressure and Magnetic Field
Pishvar, Maya (2019-05-10)Advanced fiber reinforced polymer (FRP) composites are widely used in structural applications due to their high specific strength and stiffness. Generally, high-quality, advanced FRP composites are produced using an ... -
Fabrication of improved composite laminates by using a sliding magnetic tool during wet layup/vacuum bagging
Sussmann, Marli (2018-05-11)A magnetic lift that utilizes magnetic polarization to create “on” and “off” conditions is used to easily and safely apply consolidation pressure on E-glass/epoxy laminates fabricated using the wet layup/vacuum bagging ... -
Fabrication, Characterization and Modeling of Aligned Polyacrylonitrile-Based Electrospun Carbon Nanofibers
Demirtas, Mehmet Selim (2018-08-02)Electrospinning is widely used to produce carbon nanofiber from polyacrylonitrile (PAN). The alignment of fibers may vary depending on electrospinning condition. In this study, an electrospinning setup is developed to ... -
Funnel-Shaped Floating Vessel Oil Skimmer with Joule Heating Sorption Functionality
Herren, Blake; Saha, Mrinal C.; Altan, M. Cengiz; Liu, Yingtao (2022-06-02)Floating vessel-type oil collecting devices based on sorbent materials present potential solutions to oil spill cleanup that require a massive amount of sorbent material and manual labor. Additionally, continuous oil ... -
Improving the Quality of Laminates in Liquid Composite Molding Using Magnetic Compaction: Experiments and Process Model
Amirkhosravi, Mehrad (2019-05-10)Despite the extensive use of liquid composite molding (LCM) processes such as wet lay-up vacuum bagging (WLVB) and vacuum assisted resin transfer molding (VARTM) in composite manufacturing, they have two major drawbacks. ... -
Investigation of 3D Printed Porous Polydimethylsiloxane (PDMS)/Carbon Nanotube (CNT) Nanocomposites for Sensing Application
Sukati, Musa (2020-07-30)Sensors manufactured using piezoresistive elastomeric nanocomposites have a wide range of applications in fields such as structural health monitoring, robotics and biomedical industries. These nanocomposites are a mixture ... -
INVESTIGATION OF ELECTROSPINNING PROCESS PARAMETERS AND STUDIES OF STABILIZATION KINETICS OF POLYACRYLONITRILE-BASED ELECTROSPUN CARBON NANOFIBERS
Barua, Bipul (2015-08)Carbon nanofibers produced by electrospinning brings many advantages over carbon fibers made from conventional spinning methods as they are expected to possess less structural defects, superior mechanical performance, and ... -
Manufacturing and Microstructural Modeling of Geometrically Complex Composite Components Produced by Bladder Assisted Composite Manufacturing (BACM)
Anderson, Jacob (2013-12)In the first part of the dissertation a new manufacturing method, Bladder Assisted Composite Manufacturing (BACM), to fabricate geometrically complex, hollow polymeric composite parts is presented. The BACM process utilizes ... -
Material Analysis for High-Efficiency Polymer Composite Heat Exchanger
Sisic, Lejla (2020-05)Heat exchangers are widely used in different industries as primary devices to transfer heat between fluids or gases that are at different temperatures. These devices are most commonly made out of metals, which are known ... -
PDMS Sponges with Embedded Carbon Nanotubes as Piezoresistive Sensors for Human Motion Detection
Herren, Blake; Webster, Vincent; Davidson, Eric; Saha, Mrinal C.; Altan, M. Cengiz; Liu, Yingtao (2021-07-01)Porous piezoresistive sensors offer promising flexible sensing functionality, such as human joint motion detection and gesture identification. Herein, a facile fabrication method is developed using a microwave-based rapid ... -
Rapid Microwave Polymerization of Porous Nanocomposites with Piezoresistive Sensing Function
Herren, Blake; Charara, Mohammad; Saha, Mrinal C.; Altan, M. Cengiz; Liu, Yingtao (2020-01-29)In this paper, polydimethylsiloxane (PDMS) and multi-walled carbon nanotube (MWCNT) nanocomposites with piezoresistive sensing function were fabricated using microwave irradiation. The effects of precuring time on the ... -
The Synergistic Effects of Prepreg Humidity Exposure, Fabrication Pressure, and Hydraulic Fluid Absorption on Microstructure and Mechanical Properties of High-Performance Composite Laminates
Hurdelbrink, Keith II (2017)Research and technological enhancements over the past several decades have yielded vast improvements in the area of fabricating high quality composite laminates. Process-induced defects, such as microvoids, however remain ...