Microstructure and Mechanical Behavior of Deep Drawing DC04 Steel at Different Length Scales PDF Download
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Author: Simone Schreijäg Publisher: KIT Scientific Publishing ISBN: 3866449674 Category : Technology & Engineering Languages : en Pages : 188
Book Description
The deformation behavior of steels is strongly influenced by their microstructure which is a result of the alloying elements and thermal treatments. In this work, the microstructure and the deformation behavior of a non-alloyed deep drawing DC04 steel was investigated. The microstructure was analyzed during heat treatment by EBSD, then microcompression experiments were performed on selected microstructural units and then bulk steel samples were mechanically tested by tensile experiments.
Author: Simone Schreijäg Publisher: KIT Scientific Publishing ISBN: 3866449674 Category : Technology & Engineering Languages : en Pages : 188
Book Description
The deformation behavior of steels is strongly influenced by their microstructure which is a result of the alloying elements and thermal treatments. In this work, the microstructure and the deformation behavior of a non-alloyed deep drawing DC04 steel was investigated. The microstructure was analyzed during heat treatment by EBSD, then microcompression experiments were performed on selected microstructural units and then bulk steel samples were mechanically tested by tensile experiments.
Author: Zhang, Tao Publisher: KIT Scientific Publishing ISBN: 3731510022 Category : Technology & Engineering Languages : en Pages : 224
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: Ganser, Markus Publisher: KIT Scientific Publishing ISBN: 3731510472 Category : Technology & Engineering Languages : en Pages : 272
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: Birkholz, Oleg Publisher: KIT Scientific Publishing ISBN: 373151172X Category : Science Languages : en Pages : 246
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: Simone Schreijäg
Author: Simone Schreijäg
Author: Rieger, Florian
Author: Vondrous, Alexander
Author: Syha, Melanie
Author: Schwark, Tabea Gisela
Author: Zhang, Kuo
Author: Eslami, Reza
Author: Zhang, Tao
Author: Ganser, Markus
Author: Birkholz, Oleg