Massiv Parallele Und Grossskalige Phasenfeldsimulationen Zur Untersuchung Der Mikrostrukturentwicklung
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Massiv Parallele Und Grossskalige Phasenfeldsimulationen Zur Untersuchung Der Mikrostrukturentwicklung
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Author : Hoetzer, Johannes
language : de
Publisher: KIT Scientific Publishing
Release Date : 2017-12-18
Massiv Parallele Und Grossskalige Phasenfeldsimulationen Zur Untersuchung Der Mikrostrukturentwicklung written by Hoetzer, Johannes and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-18 with Technology (General) categories.
The development of tailored materials with defined properties requires a deep understanding of the microstructure evolution. In the first part, the microstructure evolution during the directional solidification of ternary eutectics with a highly optimized phase-field solver in the waLBerla-framework is studied. In the second part, the microstructure evolution under the influence of pores at the grain boundaries in the final sintering stage is analyzed with the PACE3D solver.
Consequences Of Hydroxyl Generation By The Silica Water Reaction Part I Diffusion And Swelling
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Author : Fett, Theo
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-07-11
Consequences Of Hydroxyl Generation By The Silica Water Reaction Part I Diffusion And Swelling written by Fett, Theo and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-11 with Science categories.
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.
Structure Evolution In Tribological Interfaces Studied By Multilayer Model Alloys
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Author : Cihan, Ebru
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-10-21
Structure Evolution In Tribological Interfaces Studied By Multilayer Model Alloys written by Cihan, Ebru and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-21 with Technology & Engineering categories.
Recent studies of deformation mechanisms of metals and alloys pioneer the better investigation of the friction and wear behavior of materials with well-defined initial microstructures. Within this scope, in this work, the effect of sub-surface deformations on the resulting friction and wear behavior has been searched by means of a systematic experimental study on Au-Ni metallic multilayer model alloy system.
Development Of Nbn Based Kinetic Inductance Detectors On Sapphire And Diamond Substrates For Fusion Plasma Polarimetric Diagnostics
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Author : Mazzocchi, Francesco
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-07-01
Development Of Nbn Based Kinetic Inductance Detectors On Sapphire And Diamond Substrates For Fusion Plasma Polarimetric Diagnostics written by Mazzocchi, Francesco and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-07-01 with Technology & Engineering categories.
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.
Deformation And Fracture Properties Of The Soft Magnetic Composite Somaloy 700 3p On Different Length Scales
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Author : Schwark, Tabea Gisela
language : en
Publisher: KIT Scientific Publishing
Release Date : 2018-07-09
Deformation And Fracture Properties Of The Soft Magnetic Composite Somaloy 700 3p On Different Length Scales written by Schwark, Tabea Gisela and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-09 with Grinding and polishing categories.
Soft Magnetic Composites (SMCs) typically consist of large iron particles coated with a fairly thin inorganic layer. The combination of soft particles with a brittle layer causes, however, a rather poor mechanical behaviour of the SMCs. The particle boundaries of the specific SMC Somaloy 700 3P can be classified into four different types according to the complexity of their layers. Tests on both micro- and macroscale showed that the particle-boundary interface is critical in terms of failure.
The Impact Of Recycling On The Fibre And The Composite Properties Of Carbon Fibre Reinforced Plastics
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Author : Hüther, Jonas Johannes
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-06-19
The Impact Of Recycling On The Fibre And The Composite Properties Of Carbon Fibre Reinforced Plastics written by Hüther, Jonas Johannes and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-19 with Technology & Engineering categories.
Influence Of Strain On The Functionality Of Ink Jet Printed Thin Films And Devices On Flexible Substrates
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Author : Mishra, Nilesha
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-02-15
Influence Of Strain On The Functionality Of Ink Jet Printed Thin Films And Devices On Flexible Substrates written by Mishra, Nilesha and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-15 with Capacitors categories.
Ink-jet printed devices on the flexible substrate are inexpensive and large area compatible as compared to rigid substrates. However, during fabrication and service they are subjected to complex strains, resulting in crack formation or delamination within the layers, affecting the device performance. Therefore, it is necessary to understand their failure mechanisms by correlating their electrical or structural properties with applied strain, supported by detailed microstructural investigations.
Multiscale Modeling Of Curing And Crack Propagation In Fiber Reinforced Thermosets
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Author : Schöller, Lukas
language : en
Publisher: KIT Scientific Publishing
Release Date : 2024-03-15
Multiscale Modeling Of Curing And Crack Propagation In Fiber Reinforced Thermosets written by Schöller, Lukas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-15 with categories.
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.
Characterisation And Modelling Of Continuous Discontinuous Sheet Moulding Compound Composites For Structural Applications
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Author : Trauth, Anna
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-12-11
Characterisation And Modelling Of Continuous Discontinuous Sheet Moulding Compound Composites For Structural Applications written by Trauth, Anna and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-11 with Technology & Engineering categories.
The main objective of this work is to significantly deepen the understanding of the material and the structural behaviour of continuous-discontinuous SMC composites, following a holistic approach to investigate microscopic aspects, macroscopic mechanical behaviour as well as failure evolution at the coupon, structure and component level. In addition, criteria to evaluate the effect of hybridisation are introduced and modelling approaches are presented and discussed.
Modeling Transport Properties And Electrochemical Performance Of Hierarchically Structured Lithium Ion Battery Cathodes Using Resistor Networks And Mathematical Half Cell Models
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Author : Birkholz, Oleg
language : en
Publisher: KIT Scientific Publishing
Release Date : 2022-10-05
Modeling Transport Properties And Electrochemical Performance Of Hierarchically Structured Lithium Ion Battery Cathodes Using Resistor Networks And Mathematical Half Cell Models written by Birkholz, Oleg and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-05 with Science categories.
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.