Micromechanical study on the deformation behaviour of directionally solidified NiAl-Cr eutectic composites PDF Download
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Author: Kumar, Amritesh
Publisher: KIT Scientific Publishing
ISBN: 3731506947
Category :
Languages : en
Pages : 160
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Book Description
Author: Kumar, Amritesh
Publisher: KIT Scientific Publishing
ISBN: 3731506947
Category :
Languages : en
Pages : 160
Get Book Here
Book Description
Author: Cihan, Ebru
Publisher: KIT Scientific Publishing
ISBN: 3731509997
Category : Technology & Engineering
Languages : en
Pages : 194
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Book Description
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.
Author: Ganser, Markus
Publisher: KIT Scientific Publishing
ISBN: 3731510472
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
Solid state batteries with a lithium metal electrode are considered the next generation of high energy battery technology. Unfortunately, lithium metal is prone to harmful protrusion or dendrite growth which causes dangerous cell failure. Within this work the problem of protrusion growth is tackled by deriving a novel electro-chemo-mechanical theory tailored for binary solid state batteries which is then used to discuss the impact of mechanics on interface stability by numerical studies.
Author: Hüther, Jonas Johannes
Publisher: KIT Scientific Publishing
ISBN: 3731509830
Category : Technology & Engineering
Languages : en
Pages : 360
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Book Description
Author: Zhang, Tao
Publisher: KIT Scientific Publishing
ISBN: 3731510022
Category : Technology & Engineering
Languages : en
Pages : 224
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Book Description
Most storage materials exhibit phase changes, which cause stresses and, thus, lead to damage of the electrode particles. In this work, a phase-field model for the cathode material NaxFePO4 of Na-ion batteries is studied to understand phase changes and stress evolution. Furthermore, we study the particle size and SOC dependent miscibility gap of the nanoscale insertion materials. Finally, we introduce the nonlocal species concentration theory, and show how the nonlocality influences the results.
Author: Trauth, Anna
Publisher: KIT Scientific Publishing
ISBN: 3731509504
Category : Technology & Engineering
Languages : en
Pages : 468
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Book Description
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.
Author: Fett, Theo
Publisher: KIT Scientific Publishing
ISBN: 3731511487
Category : Science
Languages : en
Pages : 226
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Book Description
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: Mazzocchi, Francesco
Publisher: KIT Scientific Publishing
ISBN: 3731511819
Category : Technology & Engineering
Languages : en
Pages : 212
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Book Description
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
ISBN: 373151172X
Category : Science
Languages : en
Pages : 246
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Book Description
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: Fett, Theo
Publisher: KIT Scientific Publishing
ISBN: 3731511592
Category : Science
Languages : en
Pages : 226
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Book Description
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.
