Search Results - "Glascoe, Elizabeth A"

A chemo-mechanical model for describing sorption hysteresis in a glassy polyurethane by Foley, Brandon L., Matt, Sarah M., Castonguay, Stephen T., Sun, Yunwei, Roy, Pratanu, Glascoe, Elizabeth A., Sharma, Hom N.

“…Hysteretic sorption and desorption of water is observed from 0 to 95% relative humidity and 298–333 K on a glassy polyurethane foam. It is postulated that…”
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Dynamic Triple-Mode Sorption and Outgassing in Materials by Sharma, Hom N., Harley, Stephen J., Sun, Yunwei, Glascoe, Elizabeth A.

“…Moisture uptake and outgassing can be detrimental to a system by altering the chemical and mechanical properties of materials within the system over time. In…”
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Rigorous Models for Vapor Diffusion in Polymers with Immobilization and Chemical Potential Gradients by Foley, Brandon L., Aubry, Sylvie, Murialdo, Maxwell, Glascoe, Elizabeth A.

“…Two key phenomenaimmobilization and concentration-dependent mixing free energiessimultaneously alter the sorption thermodynamics and diffusion of vapors in…”
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Predicting 3D moisture sorption behavior of materials from 1D investigations by Sharma, Hom N., Sun, Yunwei, Glascoe, Elizabeth A.

“…Moisture in materials can be a source of future outgassing and exacerbate unwanted changes in physical and chemical properties. Here, we investigate the effect…”
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Thermodynamic Study on Dynamic Water Vapor Sorption in Sylgard-184 by Harley, Stephen J, Glascoe, Elizabeth A, Maxwell, Robert S

“…The dynamic and equilibrium water vapor sorption properties of Sylgard-184, a commercially available poly(dimethylsiloxane) elastomer (PDMS), were determined…”
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Direct Observation of Photoinduced Bent Nitrosyl Excited-State Complexes by Sawyer, Karma R, Steele, Ryan P, Glascoe, Elizabeth A, Cahoon, James F, Schlegel, Jacob P, Head-Gordon, Martin, Harris, Charles B

“…Ground-state structures with side-on nitrosyl (η2-NO) and isonitrosyl (ON) ligands have been observed in a variety of transition-metal complexes. In contrast,…”
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Microkinetic modeling of H2SO4 formation on Pt based diesel oxidation catalysts by Sharma, Hom N., Sun, Yunwei, Glascoe, Elizabeth A.

“…[Display omitted] •Microkinetic model with 14 elementary step reactions is proposed for H2SO4 formation on Pt DOC.•Impact of SO3 concentration on DOC…”
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Expeditious modeling of vapor transport and reactions in polymeric materials by Sun, Yunwei, Tong, Charles, Harley, Stephen J., Glascoe, Elizabeth A.

“…We present a methodology for approximating dynamic adsorption of vapor coupled with diffusion in polymeric materials. In previous publications, the dynamic…”
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Role of filler and its heterostructure on moisture sorption mechanisms in polyimide films by Sharma, Hom N., Kroonblawd, Matthew P., Sun, Yunwei, Glascoe, Elizabeth A.

“…Moisture sorption and diffusion exacerbate hygrothermal aging and can significantly alter the chemical and mechanical properties of polymeric-based components…”
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Modeling and Uncertainty Quantification of Vapor Sorption and Diffusion in Heterogeneous Polymers by Sun, Yunwei, Harley, Stephen J., Glascoe, Elizabeth A.

“…A high‐fidelity model of kinetic and equilibrium sorption and diffusion is developed and exercised. The gas‐diffusion model is coupled with a triple‐sorption…”
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Uncertainty Quantification of Multiple Gas Transport and Sorption in Porous Polymers by Sun, Yunwei, Sharma, Hom N., Glascoe, Elizabeth A.

“…A high-fidelity physics-based model of mixed-gas transport coupled with kinetic and equilibrium adsorption is derived, and experiments were performed in order…”
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In Situ Curing Kinetics of Moisture-Reactive Acetoxysiloxane Sealants by Knipe, Jennifer M, Sirrine, Justin, Sawvel, April M, Mason, Harris E, Lewicki, James P, Sun, Yunwei, Glascoe, Elizabeth A, Sharma, Hom N

“…Moisture diffusion and reaction chemistry in polymeric materials affect the mechanical properties, chemical compatibility, and durability of the materials. The…”
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Pressure-Dependent Decomposition Kinetics of the Energetic Material HMX up to 3.6 GPa by Glascoe, Elizabeth A, Zaug, Joseph M, Burnham, Alan K

“…The effect of pressure on the global thermal decomposition rate of the energetic material HMX was studied. HMX was precompressed in a diamond anvil cell (DAC)…”
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Advances in Modeling Sorption and Diffusion of Moisture in Porous Reactive Materials by Harley, Stephen J., Glascoe, Elizabeth A., Lewicki, James P., Maxwell, Robert S.

“…Water‐vapor‐uptake experiments were performed on a silica‐filled poly(dimethylsiloxane) (PDMS) network and modeled by using two different approaches. The data…”
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Multi-Method Characterization of Compression Set in Fluorosilicone O-Rings by Harley, Stephen J., Mayer, Brian P., Glascoe, Elizabeth A., Maxwell, Robert S., Von White, Gregory, Bernstein, Robert

“…Fluorosilicone o-rings with varying levels of compression set were investigated with a variety of methods. Low field NMR experiments were able to elucidate if…”
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Time-resolved IR Studies on the Mechanism for the Functionalization of Primary C−H Bonds by Photoactivated CpW(CO)3(Bpin) by Sawyer, Karma R, Cahoon, James F, Shanoski, Jennifer E, Glascoe, Elizabeth A, Kling, Matthias F, Schlegel, Jacob P, Zoerb, Matthew C, Hapke, Marko, Hartwig, John F, Webster, Charles Edwin, Harris, Charles B

“…Recently, transition-metal−boryl compounds have been reported that selectively functionalize primary C−H bonds in alkanes in high yield. We have investigated…”
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Moisture Desorption Rates from TATB Formulations: Experiments and Kinetic Models by Glascoe, Elizabeth A, Dinh, Long N, Small, Ward, Overturf, George E

“…The rate of water desorption from PBX-9502, a formulation containing 1,3,5-triamino-2,4,6-trinitrobenzene (TATB), is measured using temperature-programmed…”
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Mechanism for Iron-Catalyzed Alkene Isomerization in Solution by Sawyer, Karma R, Glascoe, Elizabeth A, Cahoon, James F, Schlegel, Jacob P, Harris, Charles B

“…Here we report nano- through microsecond time-resolved IR experiments of iron-catalyzed alkene isomerization in room-temperature solution. We have monitored…”
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Nanosecond Time-Resolved and Steady-State Infrared Studies of Photoinduced Decomposition of TATB at Ambient and Elevated Pressure by Glascoe, Elizabeth A, Zaug, Joseph M, Armstrong, Michael R, Crowhurst, Jonathan C, Grant, Christian D, Fried, Laurence E

“…The time scale and/or products of photoinduced decomposition of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) were investigated at ambient pressure and compared…”
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Measurement of moisture outgassing of the plastic-bonded TATB explosive LX-17 by Small, Ward, Glascoe, Elizabeth A., Overturf, George E.

“…► A system to directly and exclusively monitor moisture outgassing was constructed. ► Moisture outgassing from plastic-bonded TATB at 65°C was monitored for 2…”
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