Consequences Of Hydroxyl Generation By The Silica Water Reaction Part I Diffusion And Swelling
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| Author | : Fett, Theo |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 226 |
| Release | : 2022-07-11 |
| Genre | : Science |
| ISBN | : 3731511487 |
Download Consequences of hydroxyl generation by the silica/water reaction - Part I: Diffusion and Swelling Book in PDF, Epub and Kindle
Water diffusing into silica surfaces gives rise for several effectson diffusion behaviour and mechanical properties. Water added to silica glass increases its specific volume so that the silica expands near the surface. Mechanical boundary conditions give rise for compressive “swelling stresses”. This fact provides a tool for the interpretation of many experimental observations from literature.
| Author | : Fett, Theo |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 226 |
| Release | : 2022-07-11 |
| Genre | : Science |
| ISBN | : 3731511592 |
Download Consequences of hydroxyl generation by the silica/water reaction - Part II: Global and local Swelling - Part III: Damage and Young's Modulus Book in PDF, Epub and Kindle
Water diffusing into silica surfaces gives rise for several effects on diffusion behaviour and mechanical properties. In a preceding booklet, we focused on diffusion and fiber strengths and deformations which were obtained by water soaking under external loading. In the present booklet we deal with results and interpretations of strength increase in the absence of applied stresses.
| Author | : Röhe, Maximilian |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 178 |
| Release | : 2024-01-09 |
| Genre | : |
| ISBN | : 3731512343 |
Download Dynamic Model-based Analysis of Oxygen Reduction Reaction in Gas Diffusion Electrodes Book in PDF, Epub and Kindle
In this work, the first simulation model of oxygen depolarized cathodes (ODC), which are silver catalyst-based gas diffusion electrodes, is presented that considers the phase equilibrium of the gas-liquid interface and structure-related inhomogeneities in electrolyte distribution. By means of the model it has been identified that mass transport of water and ions in the liquid phase is a crucial factor for electrode performance and how it is influenced by the electrode structure.
| Author | : Schöller, Lukas |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 230 |
| Release | : 2024-03-15 |
| Genre | : |
| ISBN | : 3731513404 |
Download Multiscale Modeling of Curing and Crack Propagation in Fiber-Reinforced Thermosets Book in PDF, Epub and Kindle
During the production of fiber-reinforced thermosets, the resin material undergoes a reaction that can lead to damage. A two-stage polymerization reaction is modeled using molecular dynamics and evaluations of the system including a fiber surface are performed. In addition, a phase-field model for crack propagation in heterogeneous systems is derived. This model is able to predict crack growth where established models fail. Finally, the model is used to predict crack formation during curing.
| Author | : Mazzocchi, Francesco |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 212 |
| Release | : 2022-07-01 |
| Genre | : Technology & Engineering |
| ISBN | : 3731511819 |
Download Development of NbN based Kinetic Inductance Detectors on sapphire and diamond substrates for fusion plasma polarimetric diagnostics Book in PDF, Epub and Kindle
This work aimed at designing, studying and producing the first prototypes of KIDs tailored for fusion plasma polarimetric diagnostics. Diamond was considered for the first time as substrate material for low-temperature superconducting detectors given its unmatched optical, radiation hardness and thermal qualities, properties necessary for working environments potentially saturated with radiation. This work represents a first step toward the optimization and final application of this technology.
| Author | : Birkholz, Oleg |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 246 |
| Release | : 2022-10-05 |
| Genre | : Science |
| ISBN | : 373151172X |
Download Modeling transport properties and electrochemical performance of hierarchically structured lithium-ion battery cathodes using resistor networks and mathematical half-cell models Book in PDF, Epub and Kindle
Hierarchically structured active materials in electrodes of lithium-ion cells are promising candidates for increasing gravimetric energy density and improving rate capability of the system. To investigate the influence of cathode structures on the performance of the whole cell, efficient tools for calculating effective transport properties of granular systems are developed and their influence on the electrochemical performance is investigated in specially adapted cell models.
| Author | : Lingelbach, Yannick |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 278 |
| Release | : 2024-07-24 |
| Genre | : |
| ISBN | : 3731513528 |
Download Application of Data Mining and Machine Learning Methods to Industrial Heat Treatment Processes for Hardness Prediction Book in PDF, Epub and Kindle
This work presents a data mining framework applied to industrial heattreatment (bainitization and case hardening) aiming to optimize processes and reduce costs. The framework analyses factors such as material, production line, and quality assessment for preprocessing, feature extraction, and drift corrections. Machine learning is employed to devise robust prediction strategies for hardness. Its implementation in an industry pilot demonstrates the economic benefits of the framework. - This work presents a data mining framework applied to industrial heattreatment (bainitization and case hardening) aiming to optimize processes and reduce costs. The framework analyses factors such as material, production line, and quality assessment for preprocessing, feature extraction, and drift corrections. Machine learning is employed to devise robust prediction strategies for hardness. Its implementation in an industry pilot demonstrates the economic benefits of the framework.
| Author | : Nenad Bicanic |
| Publisher | : CRC Press |
| Total Pages | : 1108 |
| Release | : 2014-03-04 |
| Genre | : Technology & Engineering |
| ISBN | : 1138001457 |
Download Computational Modelling of Concrete Structures Book in PDF, Epub and Kindle
The EURO-C conference series (Split 1984, Zell am See 1990, Innsbruck 1994, Badgastein 1998, St Johann im Pongau 2003, Mayrhofen 2006, Schladming 2010, St Anton am Alberg 2014) brings together researchers and practising engineers concerned with theoretical, algorithmic and validation aspects associated with computational simulations of concrete and concrete structures. The conference reviews and discusses research advancements and the applicability and robustness of methods and models for reliable analysis of complex concrete, reinforced concrete and pre-stressed concrete structures in engineering practice. Conference topics and invited papers cover both computational mechanics and computational modelling aspects of the analysis and design of concrete and concrete structures: * Constitutive and Multiscale Modelling of Concrete * Advances in Computational Modelling * Time Dependent and Multiphysics Problems * Performance of Concrete Structures The book is of special interest to researchers in computational concrete mechanics, as well as industry experts in complex nonlinear simulations of concrete structures.
| Author | : Robert H. Doremus |
| Publisher | : John Wiley & Sons |
| Total Pages | : 320 |
| Release | : 2001-12-03 |
| Genre | : Science |
| ISBN | : 9780471385455 |
Download Diffusion of Reactive Molecules in Solids and Melts Book in PDF, Epub and Kindle
Die Verteilung reaktiver Moleküle in Festkörpern und Schmelzen wird hier mit Hilfe eines Diffusions-Reaktions-Modells beschrieben. Klar und präzise stellt der Autor, ein anerkannter Spezialist auf diesem Gebiet, die physikalischen und mathematischen Grundlagen von Diffusionsreaktionen dar und illustriert sie am Beispiel spezieller Werkstoffe.
| Author | : Biman Bagchi |
| Publisher | : Cambridge University Press |
| Total Pages | : 383 |
| Release | : 2013-11-14 |
| Genre | : Medical |
| ISBN | : 1107037298 |
Download Water in Biological and Chemical Processes Book in PDF, Epub and Kindle
A unified overview of the dynamical properties of water and its unique and diverse role in biological and chemical processes.
