Now showing items 1-20 of 61

    • Aerogel Fabrics in Advanced Space Suit Applications 

      Crowell, Cameron; Reynolds, Cameron; Stutts, Andrew; Taylor, Hunter (Virginia Tech Department of Materials Science and Engineering, 2015-01-01)
      New insulating materials for spacesuits will need to be able to function well in low-pressure and gaseous environments, such as the Martian atmosphere. In order to address this need, Orbital Outfitters, a small spacesuit ...
    • Bacterial Cellulose as a Potential Bone Graft 

      Lowman, Kennedi (Virginia Tech Department of Materials Science and Engineering, 2015-01-01)
      Each year tissue engineering costs the United States $2 million dollars. Bacterial Cellulose (BC), a hydrogel with a fine fiber network, is produced by the bacterium Acetobacter xylinum that can be used as a protective ...
    • Biocompatibility and Hardness of Ti-Hf and Diamond-like Carbon Coatings for Orthopedics 

      Kuhn, Stephanie (Virginia Tech Department of Materials Science and Engineering, 2008-03-20)
      Every year, about 300,000 total hip replacement (THR) surgeries are performed in the United States.The typical lifespan of an implant ranges between 10 and 20 years, with implant failures largely due to materials issues ...
    • Biological Self-Assembled Porous Ceramics as High Temperature Insulation in Steam Transport Pipes 

      Price, Seth; Marier, Elizabeth (Virginia Tech Department of Materials Science and Engineering, 2005-09-22)
      Biological self-assembled porous ceramics could serve as a substitute for asbestos in thermally insulating applications, such as steam transport pipes in coal-fired power plants. To become a viable alternative to asbestos, ...
    • Biomorphic Materials: Silicon Carbide Derived from Natural Carbon Precursors 

      Surbey, Wyatt (Virginia Tech Department of Materials Science and Engineering, 2015-01-01)
      The recent initiative to cater toward an environmentally efficient lifestyle has put pressure on many industries and practices. However, the success of these green initiatives has not been an easy achievement. During the ...
    • Characterization of Electrolessly Plated Graphite Foams with Particle Additions 

      Asaro, Michael; Mueller, Jennifer; Dykema, Patrick (Virginia Tech Department of Materials Science and Engineering, 2008-03-20)
      With a low density and high bulk thermal conductivity, graphite foams are ideal for thermal management systems such as computer heat sinks, radiators, and heat exchangers.Previous work has shown it is possible to improve ...
    • Characterization of the Effect of Film Thickness on the Electrochemical Impedance of Nanoporous Gold 

      Bell, Nicholas; Collins, James; Turner, Ryan (Virginia Tech Department of Materials Science and Engineering, 2005-09-22)
      Graphs are generated characterizing the effect of film thickness on the electro­ chemical impedance of nanoporous gold. Twelve-karat white gold (50% Ag, 50% Au) leaves were dealloyed to make a total of 12 nanoporous gold ...
    • Chitosan: An Antimicrobial Polymer 

      Venkatraman, Priya (Virginia Tech Department of Materials Science and Engineering, 2015-01-01)
      Antibiotic resistant infections are a rising problem in the United States and globally. These infections are listed as a top concern by the Center for Disease Control and Prevention (CDC) as well as by the World Health ...
    • Collaborative Learning: Enhancing the Undergraduate Research Experience 

      Webster, Katelyn; Gervacio, Aimee (Virginia Tech Department of Materials Science and Engineering, 2010-03-20)
      Music has always united people through concerts, operas, and camp fires. For two universities, music brings together undergraduate students despite 615 miles of separation. Engineering students at Virginia Tech and the ...
    • Computer Simulation of a Hardness Indent Test into Nickel Nano Thin Films 

      Parker, Edward; Gaudreau, Peter (Virginia Tech Department of Materials Science and Engineering, 2006-09-22)
      Current experiments suggest that mechanical properties of thin films are different at thicknesses less than 100 nm.In this study, embedded atom method computer simulations are used to examine the differences in strengthening ...
    • Deposition and Single-Step Processing of YBCO Thick Films for Multilayered Electronics 

      Langman, Jonathan; Lynch, Matthew (Virginia Tech Department of Materials Science and Engineering, 2005-09-22)
      The goal of this project was to successfully cofire a screen-printed yttrium bar ium copper oxide (YBCO) superconductor onto a low-temperature cofired ceramic (LTCC) substrate. The purpose was to investigate the compatibility ...
    • Developing Functional Inks for Direct-Write Systems 

      Rodriguez, Mitchell (Virginia Tech Department of Materials Science and Engineering, 2010-03-20)
      The field of Flexible Printed Electronics (FPE) carries great potential in reducing manufacturing costs and increasing versatility. The purpose of this research is to explore various ink chemistries and their suitability ...
    • DISCOVERIES AND BREAKTHROUGHS INSIDE SCIENCE: Bringing science from the laboratory to the living room 

      Martin, Lane; Hickey, Diane; Poquette, Ben; Jones, Kevin; Floro, Jerrold (Virginia Tech Department of Materials Science and Engineering, 2008-03-20)
      Have you ever kicked back to watch your favorite sciencebased TV programming and had the thought, “That’s not so hard, I could do that.” With the help of a partnership between the National Science Foundation (NSF), the ...
    • Domain Wall Collision-Induced Spin Waves 

      Delaney, Tristain (Virginia Tech Department of Materials Science and Engineering, 2015-01-01)
      A series of micromagnetic simulations are conducted whereby two transverse domain walls are injected into a straight magnetic nanowire under an applied field. It is found that, based on the relative orientation of the ...
    • The Dynamics of Periodically Forced Prolate Spheroids in a Quiescent Newtonian Fluid with Weak Inertia 

      Kumar, Priyank (Virginia Tech Department of Materials Science and Engineering, 2010-03-20)
      The effects of convective and unsteady inertia on the dynamics of periodically forced neutrally buoyant prolate spheroids in a quiescent Newtonian fluid medium, at low Reynolds numbers have been modeled. The resulting ...
    • Effect of Carbon Addition and Sintering Temperatures on Densification and Microstructural Evolution of Sinter-Hardening Alloy Steels 

      Verma, Neerav; Anand, Saurabh (Virginia Tech Department of Materials Science and Engineering, 2006-09-22)
      The iron-copper-carbon alloys are used extensively in powder metallurgy due to their superior dimensional control; however, they possess lower mechanical properties, corrosion resistance and wear resistance than their ...
    • The Effect of Cornstarch Levels on the Surface Quality of Extruded Soy Protein Plastic 

      Ziolkowski, Evan (Virginia Tech Department of Materials Science and Engineering, 2008-03-20)
      The ratio of soy protein isolate to cornstarch was studied in the extrusion of four different formulations of soy protein plastic in order to qualitatively examine the surface quality upon extrusion.Levels of glycerol and ...
    • Effect of Sintering Temperature, Heat Treatment, and Tempering on Hardness of Sintered Hardened Grade Steels 

      Anand, Saurabh; Verma, Neerav (Virginia Tech Department of Materials Science and Engineering, 2006-09-22)
      The present study examines the change in hardness of sintered hardened steel (SH737-2Cu-0.9C) sintered at different temperatures, heat treated by various methods and then tempered at different temperatures.The samples were ...
    • The Effect of Viscosity and Ion Size on the Transduction of Ionic Polymer Metal Composite Actuators 

      Copley, Lisa; Hubbard, Elizabeth; Maisano, Adam (Virginia Tech Department of Materials Science and Engineering, 2005-09-22)
      Ionic polymer membranes plated with platinum and gold serve as actuators when a small potential is applied. However, the water used to hydrate the membrane evaporates during use, decreasing actuator performance. Ionic ...
    • Engineering Students Design Composite Bracing System for the Virginia Tech Athletic Department 

      Kyriakides, Steven (Virginia Tech Department of Materials Science and Engineering, 2006-09-22)
      Engineering Students Design Composite Bracing System for the Virginia Tech Athletic Department.