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Now showing items 26651-26660 of 28643
Mechanical Characterization and Constitutive Modeling of Rate-dependent Viscoelastic Brain Tissue under High Rate Loadings
(North Dakota State University, 2019)
In this dissertation, theoretical, computational, and experimental methodologies are introduced to determine the rate-dependent material properties of the brain tissue. Experiments have shown that the brain tissue is ...
Examination of the Impact of Helmets on the Level of Transferred Loads to the Head Under Ballistic and Blast Loads
(North Dakota State University, 2015)
The main causes of human Traumatic Brain Injuries (TBIs) in war zones are ballistic impacts and blast waves. While understanding the mechanism of TBI and the brain injury thresholds are in urgent needs, efficiency of helmets ...
Fabrication and Mechanical Characterization of Novel Hybrid Carbon-Fiber/Epoxy Composites Reinforced with Toughening/Self-Repairing Nanofibers at Interfaces
(North Dakota State University, 2012)
This research was aimed at fabrication and characterization of novel hybrid carbon-fiber/epoxy composites reinforced with toughening/self-repairing nanofibers at interfaces. For interfacial toughening, continuous electrospun ...
Epoxidized Sucrose Soyate as a Primary Binder in Particleboard
(North Dakota State University, 2018)
Wood composites industry has been growing for decades. However, wood composites have been associated with some health concerns due to the presence of formaldehyde. A promising bio-based resin Epoxidized Sucrose Soyate (ESS) ...
Numerical Simulations of Electrohydrodynamic Evolution of Thin Polymer Films
(North Dakota State University, 2015)
Recently developed needleless electrospinning and electrolithography are two successful techniques that have been utilized extensively for low-cost, scalable, and continuous nano-fabrication. Rational understanding of the ...
The Dynamics of Viscous Droplets near Micro-Patterned Solid Surfaces in Creeping Flow
(North Dakota State University, 2014)
The interaction between droplets and solid surfaces is of great importance in industrial applications, biochemical processes, and fundamental materials research on surface wettability. In this work, a three-dimensional ...
Fatigue Behavior of Flax Fiber Reinforced Polymer Matrix Composites
(North Dakota State University, 2019)
Bio-based flax fiber polymer composites (FFPC) have the potential to replace metals and synthetic fibers in certain applications due to their unique mechanical properties. However, the long term reliability of FFPC needs ...
Additive Manufacturing of Short-Fiber Composites via Stereolithography
(North Dakota State University, 2018)
The effectiveness of using a dual curing system, consisting of a photo and thermal initiator, for the additive manufacturing of carbon fiber short-fiber composites via stereolithography was investigated. The necessary ...
Design and Control of a Micro/Nano Load Stage for In-Situ AFM Observation and Nanoscale Structural and Mechanical Characterization of MWCNT-Epoxy Composites
(North Dakota State University, 2017)
Nanomaterial composites hold improvement potential for many materials. Improvements arise through known material behaviors and unique nanoscale effects to improve performance in areas including elastic modulus and damping ...
Processing and Manufacture of Soybean and Wheat Straw Medium Density Fiberboard Utilizing Epoxidized Sucrose Soyate Resin
(North Dakota State University, 2016)
Soybean straw and wheat straw show promise as annually renewable alternative to traditional wood sources for fiberboard. Epoxidized sucrose soyate has shown high performance as a thermosetting resin and could be adapted ...