Browsing by Author "Schwartz, Peter"

Now showing items 1-20 of 21

Aging Induced Evolution of the Fatigue Behavior and Microstructure of Sn-Ag-Cu Lead Free Solders

Fu, Nianjun (2017-07-31)

Solder joints in electronic assemblies are often subjected to cyclic (positive/negative) mechanical strains and stresses. Such exposures can occur in variable temperature application environments or during accelerated ...

The Chinese Consumers' Changing Value System, Consumption Values and Modern Consumption Behavior

Xiao, Ge (2005-08-15)

China is traditionally regarded as a collectivistic society, in which the linkage between individuals is close and strong; people treasure tradition, benevolence, and conformity. However, as a result of economic growth ...

Design and Characterization of a Novel Filling Yarn Insertion System for Weaving Machines

Meeks, Steven (2012-04-11)

Weaving is a textile manufacturing process in which weft yarns are inserted by machines through a gap in the warp yarns called a shed to form a woven fabric through interlacing. The filling insertion systems that are ...

Design and Characterization of Nonwoven Fabrics for Gas Diffusion Layer in Polymer Electrolyte Membrane Fuel Cell

Isikel, Lale (2007-05-15)

The aim of this research is to develop and evaluate materials for polymer electrolyte membrane fuel cells. Gas diffusion layer (GDL) is a part of membrane electrode assembly (MEA) that is the locomotive of polymer electrolyte ...

Design of Protective Covers Against Natural Hazards

Quinones, Vladimir (2011-05-06)

The purpose of this project is to design a protective cover against natural hazards for aircraft, vehicles, and ground structures. Protection against natural hazards is necessary for maintaining the integrity of a vehicle ...

Design, Simulation, and Precision Manufacturing of Flexible-Backing, Morphing Composite Metamaterials that Lock Suddenly in Global Bending

Petersen, Caleb (2021-04-30) ETD File Embargoed

Few composite structures, let alone single materials, are known that undergo sudden but reversible stiffening at a pre-engineered strain profile, especially in global bending. This research builds upon this author’s previous ...

Gas transmission through microporous membranes

Turel, Tacibaht (2008-12-15)

An ideal protective clothing material should be a good barrier against harmful gases or vapor while allowing moisture vapor and air passage through the material. In the study and design of barrier materials, one of the ...

The Influence of Low Melt Point, High Modulus Fibers in Blended Fiber Ballistic Resistant Nonwovens

Ray, Rebecca (2006-12-15)

The purpose of this research was to examine the presence of a thermal phase change as a means of energy dissipation in nonwoven needlepunched felts used in soft body armor applications. The investigation was carried out ...

Laminated and Hybrid Soft Body Armor for Ballistic Applications

Kocer, Hasan (2007-12-15)

The purpose of this study is to investigate the effects of lamination and hybrid soft armor systems through ballistic impact. The investigation was carried out by using tensile, drop-weight impact and actual ballistic ...

A Machine Vision and Sensing System for Braid Defect Detection, Diagnosis and Prevention During Manufacture

Branscomb, David (2007-12-15)

The mechanical properties of braids are often quite convenient for achieving the high performance levels expected of composite materials. A favorable attribute of a braided structure is the ability for the design engineer ...

Manufacturing and Heat Transfer Analysis of Nano-Micro Fiber Composites

Ascioglu, Birgul (2005-08-15)

Nano-micro composites are widely used in many areas, such as sensors, flame retardant materials, batteries, and filtration. In this work, thermal properties of the filler fiber composites are studied experimentally, ...

Mechanical Behavior and Microstructural Evolution of Lead Free Solder Alloys in Harsh Environment Applications

Alam, Mohammad (2019-07-10)

Solder joints provide mechanical support, electrical and thermal interconnection between packaging levels in microelectronics assembly systems. Proper functioning of these interconnections and the reliability of the ...

Moisture Effects and Viscoelasticity in Polymers Used for Microelectronic Packaging

Chowdhury, Promod (2019-12-06) ETD File Embargoed

In the microelectronics packaging industry, polymer based materials are used widely. Reliable, consistent and comprehensive material property data are required for mechanical design, process optimization, and reliability ...

Nanoreinforced Shape Memory Polyurethane

Richardson, Tara Beth (2009-11-13)

Shape memory polymers (SMPs) are functional materials, which find applications in a broad range of temperature sensing elements and biological micro-electro-mechanical systems (MEMS). These polymers are capable of fixing ...

Polymeric Textile Stents: Prototyping and Modeling

Irsale, Swagat (2005-08-15)

Although metal stents have been implanted for more than a decade, performance deficiencies still exist. The current study focuses on prototyping and modeling of braided structures to be used as stents, hence called ‘textile ...

Stress Mapping of Textile Composite Materials and Its Application in Interfacial Shear Behavior

Shady, Ebraheem (2005-12-15)

Mapping of the stress distribution in composite materials, both at the fiber/matrix interface and at the composite constituents themselves, is important to understand the material mechanical response. Stress mapping can ...

A Study on the Adsorption Properties of Quaternized Cellulose

Wang, Weijun (2005-12-15)

The aims of this investigation explore an efficient way to remove the anionic dye for textile wastewater, and characterize surface thermodynamics of quaternized cellulose fiber by inverse gas chromatography (IGC) using ...

Synthesis and Modeling of Poly(L-lysine) Based Biomaterials for Regenerative Medicine

Eldessouki, Mohamed (2011-04-29)

The need for tissue engineered scaffolds is growing due to the shortage in organ donation, the immunoreactions to allotransplants, and the high cost associated with transplantation. This work focuses on the material selection ...

Textile Prosthesis for Vascular Applications

Irsale, Swagat (2004-05-15)

The goal of this study was to develop a whole new class of implantable endoluminal prosthesis for biomedical applications based on advanced textile technology. The most likely initial application is in the field of arterial ...

Value-Added Products from Chicken Feather Fibers and Protein

Fan, Xiuling (2008-05-15)

Worldwide poultry consumption has generated a huge amount of feather “waste” annually. Currently, the feather has a low value-being used for animal feed in the world. The quality of fibrous air filters depend on ...