Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"moisture sensitivity"”.
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Differential moisture sensitivity in the life cycle of selected vegetable crop
… clarification of previously reported results on moisture-sensitive periods in the plant-life cycle that the research described herein was carried out at the University of Saskatchewan, Saskatoon.
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Development of a rapid test to determine moisture sensitivity of HMA (Superpave) mixtures
Exiting test methods to determine moisture sensitivity in hot mix asphalt are time consuming and inconsistent. This research focused on wheel tracking devices to develop a rapid test method to evaluate moisture sensitivity. The Asphalt Pavement Analyzer (APA) and the Hamburg Wheel Tracking Device …
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Processing-Structure-Property Relations in Novel Organocement Composites
… organocement composites. Moisture absorption and transport occurs through the bulk polymer regions; this process combined with further hydration of unreacted cement grains promotes property degradation. Processing constraints prevented complete reduction of the unreacted …
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Hveem Mix Design and Engineering Properties of Cold In-Place Recycling Mixtures
… mix design of CIR mixtures, b) evaluate the moisture sensitivity of CIR mixtures, c) determine the dynamic modulus (E*) master curves of CIR mixtures, d) evaluate the resistance to permanent deformation of CIR mixtures, and e) conduct a mechanistic-empirical analysis of rutting performance to …
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Stability, packaging, storage, and sterilization of a medicated dry foam
… However, it is extremely sensitive to moisture and elevated temperatures which is a major disadvantage. Excessive humidity will solubilize the film or make it too tacky to handle while very low humidity causes the film to lose its flexibility. Also, elevated temperatures remove moisture …
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Theoretical and experimental investigation of particle interactions in pharmaceutical powder blending
… roughness, electrostatic surface charges, moisture sensitivity as well as relative humidity are crucial parameters to determine inter-particle adhesion forces.
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Performance evaluation of warm mix asphalt mixtures incorporating reclaimed asphalt pavement
… In particular, WMA technologies can increase moisture and rutting susceptibility while RAP significantly increases the stiffness of the resulting mixture. Consequently, quality performance of sustainable asphalt pavements may require the combined use of WMA and RAP to produce mixtures with …
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Hydrogen physisorptive storage in metal-organic frameworks (MOFs)
… by employing a simple heat treatment. Due to the moisture sensitivity of MOF-5 which results from the weak interaction of Zn metal with O atoms in the framework, MOF-5 and other MOFs with different metal centres were synthesised in an attempt to overcome the moisture sensitivity problem. This led …
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Performance Evaluation of Asphalt Mixtures with Tire Rubber Modified Binder
… using Tensile Strength Ratio (TSR) criteria for moisture sensitivity. The type of binder played a role in the determination of the optimum binder content. The TSR for all mixtures were greater than 90% which indicates that the asphalt mixtures designed are not susceptible to moisture damage. …
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Moisture-Cure Polyurethane Wood Adhesives: Wood/Adhesive Interactions and Weather Durability
This project addresses two main subjects of moisture-cure polyurethane (PUR) wood adhesives: wood/PUR interactions and structure-property behavior emphasizing on weather durability. For these purposes, one simplified model PUR (MPUR) and three more commercially significant PURs (CPURs) with …
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Designing High Performing Durable Bio-Based Coatings for Packaging Applications
… high-performance films but are limited by moisture sensitivity and brittleness. Through chemical modification, compositional design, and controlled processing, this work demonstrates how their barrier and mechanical properties can be tuned to control and improve barrier and mechanical …
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Impact of Anti-Strip Additives on Performance of Asphalt Pavements
… lime and liquid are used as additives to combat moisture damage, and therefore, their impact is only evaluated with respect to their influence on the moisture sensitivity of the HMA mixture. This study extended the evaluation to cover the impact of lime and liquid additives on the structural …
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Synthesis, characterization and reactivity of Group 6 alkoxo nitrosyl complexes
… are limited because of their extreme air- and moisture-sensitivity. In contrast, the alkoxo alkyl complexes decompose cleanly to isolable organometallic species when treated with 02 or H2O. In Lewis acid-base type reactions with PMe3, CNCMe3, PhNCO and p-tolylNCO, the Cp*M(N0)(R)(OR') species …
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Atomistic Characterization and Modeling of the Deformation and Failure Properties of Asphalt-Aggregate Interface
… and their sensitive dependences on mechanics and moisture sensitivity. Specifically, CVFF-aug forcefield is employed in the atomistic calculations to study the fundamental failure processes that appear at the interface as a result of a mechanical deformation. There are five primary aspects to this …
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The Effects of Reclaimed Asphalt Pavement (RAP) on the Laboratory Performances of Hot Mix Asphalts
… RAP, in which thermal, fatigue, rutting, moisture sensitivity, and resilient modulus characteristic were evaluated. A Marshall mix design 19 mm mixture containing 0% RAP with binder grade of PG64-22 and PG64-28NV were used as the control mixtures for evaluating properties of mixtures …
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Aminopyridinato-Ligand-Stabilized Lanthanoid Complexes: Synthesis, Reactivity, Ethylene and Isoprene Polymerization
… cation. Because of the extreme air and moisture sensitivity as well as the thermal instability of the used trialkyl lanthanoid complexes, we searched for an alternative starting material. Hence, the triamide complexes of the composition [Ln{N(SiHMe2)2}3(thf)x] (x = 1, 2) proved to be …
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Qualification of a CMOS linear image sensor LIS-1024
… tests were conducted qualifying the package at moisture sensitivity level 3 (IPC/JEDEC J-STD-020A): temperature cycling (JESD22-A104-B), steady state temperature humidity bias life test (EIA/JESD22-A101-B), and temperature bias and operating life (JESD22-A-108-B). Except for the thermal cycle …
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Numerical simulation of interface delamination - with application to IC packaging
Numerical simulation is employed to gain a deeper understanding on interface delamination in IC packages during reflow soldering. Using the vapor pressure incorporated cell element model, the research concentrates on identifying the possible crack initiation mechanisms, and also the crack …
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Reducing Moisture Damage in Asphalt Mixes Using Recycled Waste Additives
… pavements can help strengthen and reduce asphalt moisture damage. Also, dynamic shear rheometer tests show that these additives have a stiffening effect on asphalt binder. Moisture related damage is considered one of the main causes of asphalt pavement failure. As water infiltrates a layer of …
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Mechanical and surface free energy characterization of asphalt concrete for moisture damage detection
Moisture damage is defined as the degradation of the mechanical properties of asphalt concrete (AC) caused by moisture. Moisture damage causes a severe loss in the strength and durability of asphalt pavements, leading to a major decrease in pavement performance. Hence, many additives are used to …