Open Access. Powered by Scholars. Published by Universities.®

Engineering Commons™

Open Access. Powered by Scholars. Published by Universities.®

2023

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 4741 - 4770 of 9780

Full-Text Articles in Engineering

Micro-Faraday Cage Design And Analysis For Rf Sensitive Components On An Ltcc Substrate In Hfss, Roberto Quezada May 2023

Micro-Faraday Cage Design And Analysis For Rf Sensitive Components On An Ltcc Substrate In Hfss, Roberto Quezada

Electrical Engineering Undergraduate Honors Theses

This thesis focuses on creating and testing two different simulation environments in HFSS and analyzing the effectiveness of a micro-Faraday Cage on the RF Sensitive component by exchanging the SMPS and RF Sensitive component with 25GHz Microstrip Patch Antennas. Modern integrated circuit board systems consist of components that can generate electromagnetic signals and components that may be sensitive to electromagnetic interference. A switched-mode power supply (SMPS) is one component capable of producing electromagnetic interference (EMI) through its fundamental and harmonic switching frequency. By using a Faraday Cage to shield the RF-sensitive element, it is possible to reduce its susceptibility to …

Go to article

Design Of A Sigma-Delta Adc In 65nm Cmos Process, Michael Lee Thompson Iii May 2023

Design Of A Sigma-Delta Adc In 65nm Cmos Process, Michael Lee Thompson Iii

Electrical Engineering Undergraduate Honors Theses

Analog and digital signals both play a vital role in electrical engineering and the technology of today. As the role of electrical and computer engineers becomes more deeply involved in the development of new technology, an understanding of how these signals are utilized, and what they represent, is a necessity. Due to the inherent limitations involved with analog signals, there is a need for these signals to be accurately and efficiently converted to digital signals for processing. The job of the analog-to-digital converter, or ADC, is to receive this analog input signal (voltage or current) and create a digital representation …

Go to article

Evaluation Of Dual Band J-Pole Antennas To Serve Drone-Mountable Ham Radio Repeater, Jeremiah Wimer May 2023

Evaluation Of Dual Band J-Pole Antennas To Serve Drone-Mountable Ham Radio Repeater, Jeremiah Wimer

Electrical Engineering Undergraduate Honors Theses

The portable “roll-up” Dual-Band J-pole antenna model (commonly referred to as DBJ-2) is found to be the most favorable J-pole antenna design for serving a drone-mountable ham radio repeater. In addition to being light in weight, inexpensive to construct, and weather-resilient, the DBJ-2 offers the greatest Standing Wave Ratio (SWR) in the Very High Frequency (VHF) and Ultra High Frequency (UHF) bands compared to the other J-pole antenna designs evaluated. Enclosed is a brief overview of antenna design theory, as well as an exploration of various other J-pole antenna designs, and a clear rationale for selecting the DBJ-2 antenna design …

Go to article

Reverse Engineering Post-Quantum Cryptography Schemes To Find Rowhammer Exploits, Sam Lefforge May 2023

Reverse Engineering Post-Quantum Cryptography Schemes To Find Rowhammer Exploits, Sam Lefforge

Computer Science and Computer Engineering Undergraduate Honors Theses

Post-quantum cryptography is a necessary countermeasure to protect against attacks from quantum computer. However, the post-quantum cryptography schemes are potentially vulnerable to side channel attacks. One such method of attacking involves creating bit-flips in victim memory through a process called Rowhammer. These attacks can vary in nature, but can involve rowhammering bits to raise the encryption scheme's decryption failure rate, or modifying the scheme's random seed. With a high enough decryption failure rate, it becomes feasible to generate sufficient information about the secret key to perform a key recovery attack. This thesis proposed two attacks on proposed post-quantum cryptography algorithms, …

Go to article

Critical Infrastructure Workforce Development Pods For Teaching Cybersecurity Using Netlab+, Gideon Sutterfield May 2023

Critical Infrastructure Workforce Development Pods For Teaching Cybersecurity Using Netlab+, Gideon Sutterfield

Computer Science and Computer Engineering Undergraduate Honors Theses

As digital automation for Industrial Control Systems has grown, so has its vulnerability to cyberattacks. The world of industry has responded effectively to this, but the world of academia is still lagging as its emphasis is still almost entirely on information technology. Considering this, we created a workforce development pod that serves as a hands-on learning module for teaching students key cybersecurity ideas surrounding operational technology using the NETLAB+ platform. A pod serves as the virtual environment where the learning exercise takes place. This project’s implementation involved the creation of a segmented network within the pod where a student starts …

Go to article

Predicting The Friction Coefficient Of High-Friction Surface Treatment Application Aggregates Using The Aggregates' Characteristics, Ahmed S. El-Ashwah, Korrenn Broaddus, Magdy Abdelrahman May 2023

Predicting The Friction Coefficient Of High-Friction Surface Treatment Application Aggregates Using The Aggregates' Characteristics, Ahmed S. El-Ashwah, Korrenn Broaddus, Magdy Abdelrahman

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Providing Sufficient Pavement Surface Friction (I.e., Skid Resistance) between Vehicle Tires and Pavement Surface throughout the Pavement Service Life is Considered to Be One of the Main Objectives of Highway Design. Moreover, Vehicle Safety, the Amount of Consumed Fuel, and the Wearing Rate of Vehicle Tires Generally Are Influenced by Pavement Surface Friction. in This Study, a Comprehensive Experimental Testing Program Was Conducted on Different Aggregate Sources, Including Calcined Bauxite and Five Alternative Local Sources, to Assess their Friction Characteristics. the Testing Program Included a British Pendulum Tester (BPT) and a Dynamic Friction Tester (DFT), Which Were Used to Evaluate …

Go to article

Assesment Of Structure, Function, And Microevolutionary Dynamics Of Extrachromosomal Circular Dna In Chinese Hamster Ovary Cells, Dylan Chitwood May 2023

Assesment Of Structure, Function, And Microevolutionary Dynamics Of Extrachromosomal Circular Dna In Chinese Hamster Ovary Cells, Dylan Chitwood

All Dissertations

Chinese hamster ovary (CHO) cell lines are among the most popular expression hosts used in biopharmaceutical manufacturing due to relative ease of culture, capacity to perform human-like post-translational modifications, and non-susceptibility to viruses. However, the intrinsic plasticity of the CHO genome can lead to undesired genetic rearrangements, phenotypic shifts, reduced product quality, and early culture termination that prevents continuous biomanufacturing. A characteristic of plastic and unstable genomes that is poorly understood in CHO cells is extrachromosomal circular DNA (eccDNA). EccDNAs are focal amplifications of the genome that reside in the extranuclear space. These plasmid-like entities are structurally complex and are …

Go to article

A Deep-Learning Framework For Spray Pattern Segmentation And Estimation In Agricultural Spraying Systems, Praneel Acharya, Travis Burgers, Kim-Doang Nguyen May 2023

A Deep-Learning Framework For Spray Pattern Segmentation And Estimation In Agricultural Spraying Systems, Praneel Acharya, Travis Burgers, Kim-Doang Nguyen

Mechanical Engineering Faculty Publications

This work focuses on leveraging deep learning for agricultural applications, especially for spray pattern segmentation and spray cone angle estimation. These two characteristics are important to understanding the sprayer system such as nozzles used in agriculture. The core of this work includes three deep-learning convolution-based models. These models are trained and their performances are compared. After the best model is selected based on its performance, it is used for spray region segmentation and spray cone angle estimation. The output from the selected model provides a binary image representing the spray region. This binary image is further processed using image processing …

Go to article

Investigating The Effect Of Pancreatic Cancer Tumor-Derived Extracellular Vesicles On Schwann Cell Activation, Isabel Powers May 2023

Investigating The Effect Of Pancreatic Cancer Tumor-Derived Extracellular Vesicles On Schwann Cell Activation, Isabel Powers

Biomedical Engineering Undergraduate Honors Theses

Pancreatic cancer is one of the deadliest diseases because it is hard to identify in its early stages, has high chemoresistance, and early metastasis. Because of these traits, it is often associated with perineural invasion (PNI), where the cancer travels to the nervous system. Schwann cells (SC) are associated with both metastasis and PNI when activated. The purpose of this study was to determine if and how pancreatic tumor-derived extracellular vesicles (TEVs) can activate SC in PNI. This experiment was performed by embedding Schwann cells in a hydrogel to model the tumor microenvironment and treating them with isolated extracellular vesicles …

Go to article

Physics-Based Human-In-The-Loop Machine Learning Combined With Genetic Algorithm Search For Multi-Criteria Optimization: Electrochemical Co2 Reduction Reaction, Naohiro Fujinuma, Samuel Lofland May 2023

Physics-Based Human-In-The-Loop Machine Learning Combined With Genetic Algorithm Search For Multi-Criteria Optimization: Electrochemical Co2 Reduction Reaction, Naohiro Fujinuma, Samuel Lofland

College of Science & Mathematics Departmental Research

Machine learning (ML) can be a powerful tool to expedite materials research, but the deployment for experimental research is often hindered by data scarcity and model uncertainty. An human-in-the-loop procedure to tailor the implementation of ML for multicriteria optimization is described. The effectiveness of this procedure in the development of a nafion-based membrane electrode assembly for electrochemical CO2 reduction reaction (CO2RR) into CO for two targets is demonstrated: energy efficiency (EE) and partial current density for CO2RR (). Model-agnostic nonlinear correlation analyses identify the 11 features relevant to those targets. The three studied decision tree-based ML models yield similar cross-validation …

Go to article

Reducing The Vulnerability Of Electric Power Infrastructure Against Natural Disasters By Promoting Distributed Generation, Gasser G. Ali, Islam H. El-Adaway, Charles Sims, J. Scott Holladay, Chien Fei Chen May 2023

Reducing The Vulnerability Of Electric Power Infrastructure Against Natural Disasters By Promoting Distributed Generation, Gasser G. Ali, Islam H. El-Adaway, Charles Sims, J. Scott Holladay, Chien Fei Chen

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Natural disasters cause significant damage to the electrical power infrastructure every year. Therefore, there is a crucial need to reduce the vulnerability of the electric power grid against natural disasters. Distributed generation (DG) represents small-scale decentralized power generation that can help reduce the vulnerability of the grid, among many other benefits. Examples of DG include small-scale photo-voltaic (PV) systems. Accordingly, the goal of this paper is to investigate the benefits of DG in reducing the vulnerability of the electric power infrastructure by mitigating against the impact of natural disasters on transmission lines. This was achieved by developing a complex system-of-systems …

Go to article

Optical Sensing Of Capillary Waves, Matthew Franklin Reid May 2023

Optical Sensing Of Capillary Waves, Matthew Franklin Reid

Honors College Theses

I relay various topics I learned about this semester and summarize the specialties of Clemson’s Micro-Photonics Laboratory. I report pertinent information for characterizing capillary waves with lasers and one recent method of characterizing them. Lastly, I outline a potential plan for mathematically modeling a laser’s reflection off of capillary waves, and potential plans moving forward.

Go to article

Characterizing The Influence Of The Moc Support For The Pt Single Atom Catalyst For The Water Gas Shift Reaction, Kathryn Mcgee May 2023

Characterizing The Influence Of The Moc Support For The Pt Single Atom Catalyst For The Water Gas Shift Reaction, Kathryn Mcgee

Honors College Theses

In this report, we looked at characterizing the effect of the support (MoC) for the water gas shift (WGS) environment. The single-atom catalyst analyzed was platinum supported in molybdenum carbide. The primary focus of this report was CO* because of the strong interest in using the WGS reaction to convert CO* contamination. All calculations were performed using the density functional theory (DFT) method. We analyzed the binding energies for the different adsorbates, with a special emphasis on CO and charges of the support. We compared our results to Pt/Al2O3 support. We observed that the support, specifically MoC …

Go to article

Fuel Prediction: Determining The Desirable Stops For The Cheapest Road Trips, Maxx Smith May 2023

Fuel Prediction: Determining The Desirable Stops For The Cheapest Road Trips, Maxx Smith

Computer Science and Computer Engineering Undergraduate Honors Theses

Current technology has given rise to many advanced route-planning applications that are available for use by the general public. Gone are the days of preparing for road trips by looking at a paper map for hours on end trying to determine the correct exits or calculate the distance to be traveled. However, with the use of modern technology, there is a certain aspect of forward-thinking that is now lost with planning a road trip. One of the biggest constraints that often gets left on the backburner is deciding when and where to stop to refuel the car. This report is …

Go to article

Culture In Computing: The Importance Of Developing Gender-Inclusive Software, Creighton France May 2023

Culture In Computing: The Importance Of Developing Gender-Inclusive Software, Creighton France

Computer Science and Computer Engineering Undergraduate Honors Theses

The field of computing as we know it today exists because of the contributions of numerous female mathematicians, computer scientists, and programmers. While working with hardware was viewed as “a man’s job” during the mid-20th century, computing and programming was viewed as a noble and high-paying field for women to occupy. However, as time has progressed, the U.S. has seen a decrease in the number of women pursuing computer science. The idea that computing is a masculine discipline is common in the U.S. today for reasons such as male-centered marketing of electronics and gadgets, an inaccurate representation of what it …

Go to article

Structure And Movement Design To Build A Functional Prosthetic Hand, John Campbell May 2023

Structure And Movement Design To Build A Functional Prosthetic Hand, John Campbell

Honors College Theses

This project aims to create a functional prosthetic hand that will improve upon the previous design for this project. The previous design included four fingers which were moved using a four-bar linkage and slider crank mechanism in combination with a linear actuator to move all four fingers in unison. Two servo motors were used to create an opposable thumb that could be used to grasp objects. Movement of the prosthetic hand was activated using a signal received from a myoelectric sensor. The goal of this project is to study this design and attempt to upgrade the prosthetic hand utilizing a …

Go to article

Detecting Pathobiomes Using Machine Learning, Valerie Jackson, Valerie Jackson May 2023

Detecting Pathobiomes Using Machine Learning, Valerie Jackson, Valerie Jackson

Industrial Engineering Undergraduate Honors Theses

Machine learning is a field with high growth potential due to the overall continuous progressions, developments, advancements, and improvements caused by the way it is used to help interpret and use large amounts of data [1]. One type of data that can be collected and analyzed by these machine learning models is data that is associated with DNA and information that the DNA gives. The research will be focusing specifically on using machine learning technology to detect pathobiomes indicative of salmonella pork. The pathobiome associated with salmonella is very similar to others, and this causes a problem for classification/detection with …

Go to article

Source Code Plagiarism Detection Using Jplag & Stack Overflow Data, Sudheer Yetthapu May 2023

Source Code Plagiarism Detection Using Jplag & Stack Overflow Data, Sudheer Yetthapu

Masters Theses & Specialist Projects

Advancements in computer technology and internet services have led to the availability of vast amounts of information like videos, articles, research papers, and code samples. Free online information will increase the possibility of plagiarism and collusion among students. People can commit plagiarism in both text and code [1], as tools used to detect plagiarism between texts and between codes are distinct. Traditionally plagiarism in code is detected using manual inspection, which is a tedious process and misses to compare code from previous submissions and external sources. To overcome this issue, systems that can automatically detect plagiarism in code were developed …

Go to article

The Role Of Near-Façade Flow In Wind-Dominant Single-Sided Natural Ventilation For An Isolated Three-Storey Building: An Les Study, Nima Najafi Ziarani, Malcolm J. Cook, Farnood Freidooni, Paul D. O'Sullivan May 2023

The Role Of Near-Façade Flow In Wind-Dominant Single-Sided Natural Ventilation For An Isolated Three-Storey Building: An Les Study, Nima Najafi Ziarani, Malcolm J. Cook, Farnood Freidooni, Paul D. O'Sullivan

Publications

Wind-driven single-sided ventilation is present in many existing buildings globally, and its performance can be unreliable and challenging to improve. To address these performance challenges, a better understanding of the interconnected relationship between the external and internal flows is required. Therefore, a detailed assessment of this type of natural ventilation is vital. A detailed CFD analysis of wind-dominant single-sided natural ventilation is presented by adopting the Large Eddy Simulation method, validated using previous wind tunnel studies. An isolated cube, representing a three-storey building, was used to investigate four case studies with different opening positions on the building façade. The …

Go to article

Compounding And Melt Blending/Extrusion Of Polyether Ether Ketone (Peek) And Amorphous Magnesium Phosphate (Amp) For Fused Deposition Modelling (Fdm) Based 3d Printing, Vijay Kumar Bokam May 2023

Compounding And Melt Blending/Extrusion Of Polyether Ether Ketone (Peek) And Amorphous Magnesium Phosphate (Amp) For Fused Deposition Modelling (Fdm) Based 3d Printing, Vijay Kumar Bokam

ETD Archive

Polyether ether ketone (PEEK) is a high-performance polymer material for developing implants for orthopedic, spinal, cranial, maxillofacial, and dentistry applications. However, the major limitation of PEEK implants is their bio-inertness, i.e., their incapability to integrate with tissues. Therefore, prior efforts have always focused on developing Hydroxyapatite (HA) coatings on PEEK or PEEK-HA composites or sulfonation of PEEK surface or plasma treatment. As opposed, in this study, we engineered a highly novel bio-ceramic known as amorphous magnesium phosphate (AMP), which surpasses the bioactivity and biodegradation kinetics of HA. In this study, we employed High energy planetary ball milling, a mechanical alloying …

Go to article

Evaporation And Condensation From Epiphytes During Saturated Conditions In A Maritime Live-Oak Forest (Georgia, Usa)., Akosh Raffai May 2023

Evaporation And Condensation From Epiphytes During Saturated Conditions In A Maritime Live-Oak Forest (Georgia, Usa)., Akosh Raffai

ETD Archive

Most of the rain that falls over land, falls over forests, which cover approximately one-third of global land surface. Significant immediate and wide-ranging impacts are exerted on hydrological, ecological, and societal systems due to canopyrainfall interactions, altering rainwater supply to the surface. All storm-related hydrological processes are impacted by the relative rates that canopy surfaces retain, evaporate, and redistribute rain. Many forest canopies host a community of plants called epiphytes that are generally capable of storing and evaporating substantial water. Epiphytes are comparatively under-researched regarding their role in rainfall partitioning compared to bark and leaves. Skidaway Island in Savannah, Georgia, …

Go to article

Autonomous Raman Hyperspectral Imaging And Analysis; Advances Towards Mapping Crystalline Character In Biologically Important Polymers, Sadeq H. Alkhalifa May 2023

Autonomous Raman Hyperspectral Imaging And Analysis; Advances Towards Mapping Crystalline Character In Biologically Important Polymers, Sadeq H. Alkhalifa

ETD Archive

Poly-l-lactic acid has been of a great interest to the medical profession in recent years because of its biodegradability and biocompatibility. The biodegradation rate can be controlled by its crystallinity content. One method to modify its crystallinity content is by cold drawing. Raman spectroscopy is utilized to distinguish between the different crystalline content on the sample. However, a chemical imaging method is needed to characterize the polymer on the macro level. Chemical imaging using Raman spectroscopy is an important method of characterization that is non-invasive and non-destructive. The emphasis of my research has been to develop a method to characterize …

Go to article

Exploration Of Collaborative Design Spaces: Engineering Interactions And Workflows In Product Development, Frederick Rowell May 2023

Exploration Of Collaborative Design Spaces: Engineering Interactions And Workflows In Product Development, Frederick Rowell

Honors College Theses

Product Lifecycle Management (PLM) initiatives can improve an enterprise’s efficiency by increasing collaborative design opportunities within its business structure. PLM solutions provide digital mediums to collaborate on all aspects of a company’s workflow, including engineering, testing, manufacturing, marketing, business, and field support services. This paper examines the major PLM tools and software used to establish a collaborative engineering design space; computer-aided design (CAD), computer-aided engineering (CAE), computer-aided manufacturing (CAM), and product data management (PDM). The interactions between these PLM tools and a design team’s organizational structure are analyzed to determine some of the most effective PLM integration strategies to improve …

Go to article

Development Of 3d Ovarian Cancer Spheroids In Vitro And Investigation Of Their Physiological Relevance As Models Of Inherent Chemoresistance, Amanda Murray May 2023

Development Of 3d Ovarian Cancer Spheroids In Vitro And Investigation Of Their Physiological Relevance As Models Of Inherent Chemoresistance, Amanda Murray

Honors College Theses

Ovarian cancer is the sixth leading cause of death among women worldwide, with an average 5-year survival rate of less than 48%. Current clinical treatment methods for this disease are often deemed ineffective because of the innate chemoresistance of tumors due to their microenvironment and architecture. Accurately mimicking chemoresistance with traditional 2D cultures is difficult; therefore, recent years have seen an increase in 3D culturing methods that create cellular spheroids. These spheroids can serve as models of in vivo tumor characteristics due to their hypoxic core, acidic microenvironment, and increased cell-to-cell interactions. This research aims to (1) refine a 3D …

Go to article

Green Hpc: Optimizing Software Stack Energy Efficiency Of Large Data Systems, Grant Wilkins May 2023

Green Hpc: Optimizing Software Stack Energy Efficiency Of Large Data Systems, Grant Wilkins

Honors College Theses

High-performance computing (HPC) is indispensable in modern scientific research and industry applications, but its energy consumption is a growing concern. This thesis presents two novel approaches to optimize energy consumption in large data systems. The first chapter of the thesis will discuss the use of Dynamic Voltage and Frequency Scaling (DVFS) to optimize the energy efficiency of two popular lossy compression algorithms: SZ and ZFP. By adjusting the voltage and frequency levels of computing resources, DVFS can reduce energy consumption while maintaining the desired level of performance and accuracy. The second chapter of the thesis will focus on a detailed …

Go to article

Enabling Joint Sensing And Communication For Vehicle-To-Everything Networks, Mohammad Alaneed May 2023

Enabling Joint Sensing And Communication For Vehicle-To-Everything Networks, Mohammad Alaneed

ETD Archive

This thesis investigates the challenges and opportunities in designing and implementing joint sensing and communication (JSC) systems in vehicle-to-everything (V2X) environments. This emerging concept in vehicular communication connects vehicles to other vehicles, infrastructure, networks, and pedestrians in a smart transportation environment. To address these challenges and seize these opportunities, a new development model is proposed. The primary objective of this work is to enhance the overall performance of the system while leveraging synergies between sensing and communication tasks. To achieve this, advanced methodologies such as the smooth-MUSIC (MUltiple SIgnal Classifcation) algorithm for Angle of Arrival (AoA) estimation, robust beamforming techniques …

Go to article

Motion Analysis Of Feeding Tasks: Brachial Plexus Versus Control Subjects, Madison M. Lovette May 2023

Motion Analysis Of Feeding Tasks: Brachial Plexus Versus Control Subjects, Madison M. Lovette

ETD Archive

Brachial plexus birth injuries (BPBI) occur in about 0.4 to 4.6 of every 1000 live births due to stretching or tearing of the nerves. Children with BPBI often struggle to perform daily living activities without assistance, including feeding themselves. Upper extremity function is commonly assessed in children with BPBI using the modified Mallet classification, a set of positions representing activities of daily living that are scored according to ability. The hand to mouth position is a Mallet position and is often used to represent feeding tasks in the BPBI population. Establishing this normative data will provide a baseline for comparison …

Go to article

In-House Processing Of Carbon Fiber Reinforced Polyetheretherketone (Cfr-Peek) 3d Printable Filaments And Fused Filament Fabrication Of Cfr-Peek Parts, Harsha Phanindra Sai Naganboyina May 2023

In-House Processing Of Carbon Fiber Reinforced Polyetheretherketone (Cfr-Peek) 3d Printable Filaments And Fused Filament Fabrication Of Cfr-Peek Parts, Harsha Phanindra Sai Naganboyina

ETD Archive

PEEK is a high-performance polymer known for its exceptional mechanical properties, making it suitable for various applications; however, for certain demanding applications such as automotive, PEEK does not exhibit the required strength. Moreover, if the PEEK parts are developed by Fused Filament Fabrication (FFF)-based 3D Printing, there is a high chance of having PEEK parts with decreased mechanical properties. Carbon Fiber (CF) reinforcement is a well-known method of mitigating the low mechanical properties of PEEK. Hence, in the present study, we attempted to develop CF-reinforced PEEK (CFR-PEEK) parts via FFF. First, we developed homogeneous CFR-PEEK mixtures via ball milling and …

Go to article

Task, Knowledge, Skill, And Ability: Equipping The Small-Medium Businesses Cybersecurity Workforce, Aadithyan Vijaya Raghavan May 2023

Task, Knowledge, Skill, And Ability: Equipping The Small-Medium Businesses Cybersecurity Workforce, Aadithyan Vijaya Raghavan

ETD Archive

With cyberattacks becoming more frequent and targeted, small-medium businesses (SMBs) are forced to adopt a cybersecurity framework to help secure their cyberspace. While these frameworks are a good starting point for businesses and offer critical information on identifying, preventing, and responding to cyber incidents, they can be hard to navigate and implement. To help with this issue, we propose a comprehensive model of Knowledge, Skills, Ability, and Tasks (TKSA) from the National Initiative for Cybersecurity Education Workforce Framework for Cybersecurity (NICE Framework) for three of the most frequent attack vectors: Phishing/Social Engineering, Malware, and Web-Based Attacks. SMBs can use the …

Go to article

Improving Tribological Properties Of Polydopamine/Polytetrafluoroethylene Coatings Through Incorporating Core-Shell Nanoparticles And Laser Surface Texturing, Firuze Soltani-Kordshuli May 2023

Improving Tribological Properties Of Polydopamine/Polytetrafluoroethylene Coatings Through Incorporating Core-Shell Nanoparticles And Laser Surface Texturing, Firuze Soltani-Kordshuli

Graduate Theses and Dissertations

Polytetrafluoroethylene (PTFE) is a widely used polymer that has unique properties such as chemical and temperature resistance, corrosion resistance, low maintenance cost, and a very low coefficient of friction (COF). These distinctive properties have made PTFE a promising candidate for industrial applications where surfaces are in relative motion. PTFE can be utilized as a thin film solid lubricant to significantly reduce the friction between moving surfaces. However, PTFE coatings have low cohesion and poor adhesion to the substrate resulting in its low wear resistance. This fact limits the application of PTFE coatings in load-bearing situations. To address these limitations, an …

Go to article

First Prev Next Last