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Recent studies have shown that the incorporation of carbon nanotubes (CNT) in to carbon fiber composite parts significantly increase mechanical as well as thermal properties. Polymer nanocomposites are polymer matrix composites that...
To transfer the incredible properties, including ultrahigh tensile strength, Young's modulus, and electrical conductivity of an individual carbon nanotube (CNT) into composite applications, the constituent nanotubes need to possess...
Despite the attractive properties of advanced ceramics, they are not popular for structural applications even though they possess high strength. Their low fracture toughness and brittle fracture mode are unwelcome for high integrity...
Health condition monitoring and failure detection play a crucial role in estimating the performance of solar panels such as degradation trend over time and occurrence of failures. Monitoring and detecting significant degradation can help...
As composite materials gain wider acceptance within the transportation industry, it is pertinent to investigate the available coating processes with a view to reduce emissions and associated costs. Current painting processes are not only...
Fused deposition modeling (FDM) is a cost-effective way of flexibly producing a high variety of 3D structures. However, the deposition non-uniformity or variation in the FDM process leads to dimensional errors and quality problems such...
Advanced composites which offer robust mechanical properties are being increasingly used for structural applications in the aerospace, marine, defense and transportation industries. However, the anisotropic nature of composite materials...
Proper function of traffic photometric devices such as traffic signal modules is crucial for safe operation in the traffic environment. The Traffic Engineering Research Lab (TERL) of Florida Department of Transportation (FDOT) has a...
With the advent of nanotechnology, nanomaterials have drastically improved our lives in a very short span of time. The more we can tap into this resource, the more we can change our lives for better. All the applications of nanomaterials...
Many researchers regard carbon nanotube backlight units (CNT-BLUs) as a potential candidate for the liquid crystal display (LCD) industry. CNT buckypapers were tested as surface luminary sources for CNT-BLU applications. The field...
A 81-mm mortar barrel that is at least 50% lighter than the current steel barrel used in the M252 mortar system would prove to be advantageous for the army. The desire for the weight reduction was based on the army's vision of the future...
Spatio-temporal surveillance has found increasing applications recently in various domains including disease outbreak detection, urban crime monitoring, medical image analysis and computer network intrusion detection. The objective of...
Robust design has been gaining plenty of attention in both academia and industry over the past two and half decades. However, there is still plenty of room for improvement. In this dissertation research, several drawbacks of the existing...
Many researchers have various visions and concepts about what the nanorobot will be like and what they will do. Most people see nanorobots doing a lot of functions in the medical field, having ideas of them doing cell repair, seek-and...
Polymeric foam materials continue to gather commercial and research interests due to their unique physical characteristics and emerging applications in a wide variety of industries. This research work viewed the polymer foam industry...
Understanding and predicting states in dynamic systems is a core challenge in many areas of study. This involves trying to estimate an evolving signal based on past observations or the understood rules of the system. Main obstacles...
Advanced ceramics and ceramic composites have a variety of advantageous properties, such as high hardness, strength, and wear resistance. This makes them good candidates for materials in the aerospace, automotive and defense industries, ...
Structural Health Monitoring (SHM) systems have been studied by engineers and researchers for years [1-7], yet the applications of Triboluminescence (TL)-based SHM system for aerospace and civil structures are to a degree unexplored....
Regression over circular response data requires special methods due to the periodic nature of this data type. In previous works, researchers tried to use the concept of projecting real-line distributions on unit circles or using...
The post synthetic assembly of nanowires into desired configurations presents a unique challenge. The inherent size of nanowires does not lend it self to a method or process capable of easily arranging or manipulating these materials....
Traditional multifunctional composite structures are produced by embedding parasitic parts, such as foil sensors, optical fibers and bulky connectors. As a result, the mechanical properties of the composites, especially the interlaminar...
Electrically conductive polymers (ECPs), offering capabilities such as electrostatic discharge protection and electromagnetic interference shielding, have been the subject of intensive research and development both in academia and...
Validation is an important step that is often left out of modeling due to lack of time, lack of funding, or just plain ignorance. Many industries that practice design of experiments leave out this important step because the benefits are...
Industrial manufacturing processes can experience a variety of changes to important quality characteristics as a result of tool breakage, tool wear, introduction of new raw materials, and other factors. Statistical process control charts...
Carbon nanotube (CNT) is considered a promising engineering material because of its exceptional mechanical, electrical, and thermal properties. Buckypaper (BP), a thin sheet of assembled CNTs, is an effective way to handle CNTs in macro...
This research presents a study on an innovative composite manufacturing process called Resin Infusion between Double Flexible Tooling (RIDFT). In this process, resin is infused between two flexible tools through fiber reinforcements in a...
Traditional light emitting diodes (LEDs) involve a complicated device structure with multiple layers stacked over one another. Such a complex, multilayered architecture restricts the application of diverse fabrication techniques. Earth...
Carbon nanotubes (CNT) have shown very attractive mechanical properties, compared to current high-performance carbon fiber reinforcements. Recently, continuous CNT yarns (CNTy) have become commercially available and are becoming a...
Conductive materials are indispensable for almost all aspects of life. However, conventional metal conductors have some drawbacks including heavy weight and corrosion issues. Carbon nanotubes (CNTs) are promising as an alternative...
Weight of a material and the system formed by such material is a critical factor for many applications. Traditionally, engineering designed porous structures, typically honeycomb structures, have been utilized for weight critical...
Since carbon nanotubes (CNTs) were first discovered in 1990, many researchers have been striving to learn more about their remarkable mechanical and physical properties. With these exceptional properties, CNTs are considered by...
Traditional experimental design techniques have long been employed in industrial, agricultural, and other physical settings to characterize and optimize systems and processes. Such physical systems are characterized by random error, ...
Single walled carbon nanotubes (SWNTs) have demonstrated exceptional mechanical, thermal and electrical properties, and are regarded as one of the most promising reinforcement materials for the next generation of high performance...
Organic-inorganic halide perovskites have received significant attention as a promising opportunity for low-cost, high-performance optoelectronic devices, such as solar cells, photodetectors, and light-emitting diodes due to their...
Due to both the advantageous mechanical and unique functionality properties of advanced composite materials, it has become common practice to replace traditionally metal alloy vehicle components, with components comprised of composite...
Single-walled carbon nanotube buckypaper (SBP) is a thin film of preformed nanotube networks that possesses many excellent properties. SBP is considered to be very promising in the development of high-performance composite materials;...
Many industrial experiments are conducted under various conditions which do not facilitate complete randomization of all the experimental factors. In response surface methodology whenever there are restrictions on randomization the...
The removal of particles, on the order of a micrometer – nanometer in size, adhered to surfaces poses a challenge to Integrated Circuit (IC) fabrication, space optics, high resolution and high power optics, large area displays, magnetic...
The goal of this research is to fabricate, characterize and apply the designed polymer based porous piezoelectric material into practical use. In line with the goal, the research objectives are: Select proper materials that have...
Statistical Process Control (SPC) is a statistical method for monitoring variability of processes. Process variation can be categorized as common cause and special cause. Common causes are the natural or expected variation of some change...
The performance of the electric power system determines the cost-effective and reliable energy supply to maintain operations in a city. Electric power system performance improvement is important for utility companies in different aspects...
Individual carbon nanotubes (CNTs) possess excellent piezoresistive performance, which is manifested by the significant electrical resistance change when subject to mechanical deformation. In comparison to individual CNTs, the CNT thin...
High performance composites are currently being used in the marine, automotive, aerospace and defense industries. These industries demand materials with properties that are similar or better than conventional metals at a fraction of the...
Intelligent morphing structures will revolutionize micro-robotics, wearable technology, and tiny electro-mechanical systems. The ideal morphing structure is thin and flexible with the ability to deform and sense its surroundings....
The advantages of using polymer matrix composites in various applications are very well known throughout many industries. Their introduction and subsequent development since the 1940's has led to major cost savings due to their...
This thesis studies two-stage stochastic optimization methods for supply prepositioning for hurricane relief logistics. The first stage determines where to preposition supplies and how much to preposition at a location. The second stage...
Carbon nanotubes (CNTs) are one of the wonders of modern science. Discovered a little over 15 years ago, they have shown the research community an outstanding set of properties. In terms of mechanical properties, they exhibit extremely...
Since the first Cathode Ray Tube (CRT) TV was invented in 1927, display technology has progressed at a rapid speed, attracting tremendous attention and enormous resources. Liquid Crystal Display (LCD) is the most mature and popular...
Carbon fiber reinforced plastics (CFRP) are composite materials that consist of carbon fibers embedded in a polymer matrix, a combination that yields materials with properties exceeding the individual properties of each component. CFRP...
Since the discovery of Carbon Nanotubes in 1991, nanotechnology has come to a new episode. One of the new applications of single walled carbon nanotubes (SWNTs) is to develop high performance actuators. Nanotube actuation mechanism...
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