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  1. Computational Design and Analysis of High Strength Austenitic TRIP Steels for Blast Protection Applications

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    Description: Recent assessment of material property requirements for blast resistant applications, especially for the naval ship hulls, has defined the need to design steels with high stretch ductility and fragment penetration resistance, along with high strength and adequate toughness. Using a system based computational materials design approach, two series of austenitic...
    Keyword: Engineering
    Subject: Materials Science and Engineering
    Creator: Padmanava Sadhukhan
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/19/2018
    Date Modified: 09/19/2018
    Date Created: 2008-08-26
    Rights: In Copyright
    Resource Type: Dissertation
  2. Science-Based Design of High-Performance Bubblegum

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    Description: A multicomponent bimodal poly(vinyl acetate) (PVAc) polymer composite has been scientifically designed to increase biaxial plastic flow stabilization for the achievement of large biaxial deformations. For this, a systems-based approach was used for the computational materials design of a high performance bubblegum whose mean in-vivo bubble diameter exceeds that of...
    Keyword: Engineering
    Subject: Materials Science and Engineering
    Creator: Leslie Dale Morget
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/18/2018
    Date Modified: 09/18/2018
    Date Created: 2008-11-25
    Rights: In Copyright
    Resource Type: Dissertation
  3. Investigation of Carrier Transport in Semiconductor Nanowires by Scanning Probe Techniques

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    Description: In this work, electron beam induced current (EBIC) and scanning photocurrent microscopy (SPCM) were used to quantitatively investigate the electronic properties of silicon nanowire devices. For the first time, it was shown that minority carrier diffusion lengths in phosphorous-doped silicon nanowires are significantly reduced from their bulk values because of...
    Keyword: diode, diffusion length, nanowire, silicon, carrier concentration, and photocurrent
    Subject: Materials Science and Engineering
    Creator: Jonathan Edward Allen
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/13/2018
    Date Modified: 09/13/2018
    Date Created: 2008-11-25
    Rights: In Copyright
    Resource Type: Dissertation
  4. Processing and Properties of Porous NiTi

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    Description: Increasing interest in long-life bone implants with reduced mechanical properties reducing the stress-shielding effect and a structure mimicking bone porous architecture has encouraged study and development of fabrication methods for porous NiTi. The main objective of this work was to advance these goals by developing new processing procedures for porous...
    Keyword: Engineering
    Subject: Materials Science and Engineering
    Creator: Ampika Bansiddhi
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/13/2018
    Date Modified: 09/13/2018
    Date Created: 2008-10-23
    Rights: In Copyright
    Resource Type: Dissertation
  5. Computational Design of Precipitation-Strengthened TiNi-Based Shape Memory Alloys

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    Description: Motivated by performance requirements of future medical stent applications, experimental research addresses the design of novel TiNi-based, superelastic shape-memory alloys employing nanoscale precipitation strengthening to minimize accommodation slip for cyclic stability and to increase output stress capability for smaller devices. Using a thermodynamic database describing the B2 and L21 phases...
    Keyword: Engineering and Material Science
    Subject: Materials Science and Engineering
    Creator: Matthew D. Bender
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/13/2018
    Date Modified: 09/13/2018
    Date Created: 2008-07-21
    Rights: In Copyright
    Resource Type: Dissertation
  6. The Structural, Mechanical, and Osmotic Properties of Acrylic Triblock Copolymer Gels Determined by Self-Consistent Mean Field Theory and Experiment

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    Description: In recent years, research has expanded the uses of triblock copolymer gels to a wide variety of applications including everything from ceramics processing to regenerative medicine and drug delivery. The research presented in this dissertation focuses on a physically crosslinked, block copolymers gel system in a selective solvent. This system...
    Keyword: Engineering and Material Science
    Subject: Materials Science and Engineering
    Creator: Rafael Edmundo Bras
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/13/2018
    Date Modified: 09/13/2018
    Date Created: 2008-06-23
    Rights: In Copyright
    Resource Type: Dissertation
  7. Liquid Metal Boundary Lubrication of Sliding Electrical Contacts

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    Description: Liquid metal melt-lubrication of high-power and high-speed sliding electrical contacts improves electrical current collection and reduces friction. However, armature material loss may cause transition to arcing or plasma contact. Boundary lubrication of the sliding contact with low melting-point alloys can provide comparable improvement in current collection at reduced temperatures. Bismuth,...
    Keyword: liquid metal, railgun, lubrication, and electromagnetic launcher
    Subject: Materials Science and Engineering
    Creator: Peter Yaw-Ming Hsieh
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/11/2018
    Date Modified: 09/11/2018
    Date Created: 2008-04-16
    Rights: In Copyright
    Resource Type: Dissertation
  8. Contact Studies of Weak Adhesive Interactions in Water with Membrane Enhanced Surface Acoustic Wave Analysis

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    Description: The measurement of weak adhesive energies has previously been difficult to obtain. To measure these energies, I designed a technique that uses the combined sensitivities of both a quartz crystal resonator and the inflation of an elastomeric polymer membrane. The surfaces of the quartz crystal and/or the membrane are modified...
    Keyword: permeability, polymer brushes, quartz crystal microbalance, membranes, adhesion, and surface acoustic waves
    Subject: Materials Science and Engineering
    Creator: David Alan Brass
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/11/2018
    Date Modified: 09/11/2018
    Date Created: 2008-04-17
    Rights: In Copyright
    Resource Type: Dissertation
  9. Metal/Ceramic Composites via Infiltration of an Interconnected Wood-Derived Ceramic

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    Description: The use of composites is increasing as they afford scientists and engineers the ability to combine the advantageous properties of each constituent phase, e.g. metal ductility and ceramic stiffness. With respect to materials design, biomimetics is garnering increasing attention due to the complex, yet efficient, natural microstructures. One such biomimetic,...
    Keyword: elastic behavior, mechanical properties, aluminum, fracture, silicon carbide, and composite
    Subject: Materials Science and Engineering
    Creator: Thomas E Wilkes
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/07/2018
    Date Modified: 09/07/2018
    Date Created: 2008-05-08
    Rights: In Copyright
    Resource Type: Dissertation
  10. Patterning and Structural Engineering of Dimensionally Constrained Functional Oxide Nanostructures

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    Description: The current trend of ceramic nanotechnology has motivated an ever-increasing need to achieve exquisite control over size, shape, and spatial confinement for functional oxide architectures, in an equivalent manner demonstrated for semiconductors. However, the unique nature of ceramics has posed major challenges for most traditional nanofabrication technologies, putting the development...
    Keyword: Engineering
    Subject: Materials Science and Engineering
    Creator: Zixiao Pan
    Owner: Scholarly Digital Publishing
    Date Uploaded: 09/06/2018
    Date Modified: 09/06/2018
    Date Created: 2008-03-17
    Rights: In Copyright
    Resource Type: Dissertation