Browsing MIT Theses by Title
Now showing items 35932-35951 of 61670
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Micromechanical fatigue testing
(Massachusetts Institute of Technology, 1992) -
Micromechanical model for damage and failure of brittle materials : application to polycrystalline ice and concrete
(Massachusetts Institute of Technology, 1995) -
MIcromechanical modeling of composite materials in finite element analysis using an embedded cell approch
(Massachusetts Institute of Technology, 1994) -
Micromechanical modeling of the toughening mechanisms in particle-modified semicrystalline polymers
(Massachusetts Institute of Technology, 1999)It is now well appreciated that a number of sernicrystalline polymers can be effectively toughened by the addition of a well-dispersed secondary phase. In particular, when the average interparticle matrix ligament thickness, ... -
Micromechanical modelling of the fracture behavior of second-phase reinforced cementitious materials
(Massachusetts Institute of Technology, 1990) -
A micromechanical silicon oscillating accelerometer
(Massachusetts Institute of Technology, 1997) -
Micromechanics of deformation and abrasive wear of fiber-filled elastomers
(Massachusetts Institute of Technology, 2000)The abrasive wear of unfilled and fiber-filled elastomers was studied both with experiments and with finite element simulations. Wear experiments with elastomer seals exhibited two distinct regimes: an initial, "break-in" ... -
Micromechanics of deformation and stress evolution in thin films and patterned lines on substrates
(Massachusetts Institute of Technology, 2001)In this thesis, we investigated the mechanical behavior of small volume structures, with specific application to thin metal films and patterned metal lines on substrates. The first part of this investigation dealt with the ... -
Micromechanics of deformation in polymers modified by inorganic and rubber particles
(Massachusetts Institute of Technology, 1998)Many structural polymers exhibit brittle behavior at low temperatures and/or high strain rates. It has been shown that the incorporation of rubber and inorganic particles can have significant toughening effects. Previous ... -
Micromechanics of the through-thickness deformation of paperboard
(Massachusetts Institute of Technology, 1999)An experimental investigation of the behavior of paperboard has been performed, focusing on the identification of the mechanisms of through-thickness deformation. Experiments have been conducted at the microscopic and ... -
Micromechanics of toughening in polymeric composites
(Massachusetts Institute of Technology, 2006)The macroscopic tensile toughness of glassy homo-polymers is often limited due to either localized crazing followed by failure [e.g., polymethyl-methacrylate (PMMA), polystyrene (PS)], or cavitation-induced brittle failure ... -
Micromechanics, macromechanics and constitutive modeling of the elasto-viscoplastic deformation of rubber-toughened glassy polymers
(Massachusetts Institute of Technology, 2003)Glassy polymers, such as polystyrene (PS), poly(methyl methacrylate) (PMMA) and polycarbonate (PC), are common engineering polymers that have found uses in consumer products ranging from portable computers and optical ... -
Micromechanics-based design of FRC materials : from microstructural features to structural behavior
(Massachusetts Institute of Technology, 1996) -
Micromechanisms of paperboard deformation
(Massachusetts Institute of Technology, 2000)An experimental study of the micromechanisms of paperboard deformation has been conducted. Experiments were performed in a scanning electron microscope, allowing visual observation and coincident acquisition of load vs. ... -
Micrometeroid, orbital debris, and shielding analysis for the Soft X-ray Camera (SXC) of the High Energy Transient Explorer (HETE-2) spacecraft
(Massachusetts Institute of Technology, 1999)The High Energy Transient Explorer (HETE-2) is a scientific spacecraft that will carry out a multi-wavelength study to determine the origin and nature of cosmic gamma-ray bursts (GRBs). The Soft X-ray Camera (SXC) is the ... -
Micron-scale thermistors for rapid transients in interfacial temperature
(Massachusetts Institute of Technology, 1998)The shape of freezing droplets is controlled by the motion of the molten interface, or contact line, between the liquid droplet and the solid target. The solution for the heat transfer between the liquid and solid has an ... -
Microneedle delivery for improved efficacy of antiretroviral and antibiotic drugs
(Massachusetts Institute of Technology, 2012)Two classes of drugs, antiretrovirals and antibiotics, could benefit greatly from delivery through microneedles. Microneedles (MN) offer an increase in efficacy for these drugs by providing delivery to the lymphatic system ... -
Microneedle gastric retention for drug delivery
(Massachusetts Institute of Technology, 2018)Traditional drug delivery methods, such as injection and ingestion, are associated with many challenges, including patient needle-phobia and patient adherence to a medication regimen. Biologic molecules, in particular, ... -
Microneedles for Drug Delivery in Aquaculture
(Massachusetts Institute of Technology, 2023-06)Aquaculture is a rapidly growing industry that can address increased food demand from population growth as well as overfishing and other environmental concerns from traditional fishing methods. However, a major challenge ... -
Micronotes, LLC : business plan
(Massachusetts Institute of Technology, 2008)The primary goal of this research was to determine if Micronotes, a start-up company based on an electronic bill-pay service that enables customers to prepay and discount their bills, is a viable business proposition. Here ...
