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Istituto Di Matematica Applicata E Tecnologie Informatiche
| Content Provider | Semantic Scholar |
|---|---|
| Author | Karlovu, Ke |
| Abstract | The thesis focuses on a new model for shape-memory alloys. The latter are metallic alloys which exhibit two amazing thermo-mechanical behaviors known as the superelastic and the shape-memory effects. These two macroscopic effects are the result of a thermal and stress-driven structural phase change in the crystalline phase of the materials. The result of this phase change is often the formation of very specific micro-structural patterns of the various crystal variants of the material. Up to now, the description of such a microstructure in the evolutive case has been elusive to a sound mathematical treatment. The model considered in this thesis is specifically tailored in order to contribute in this very relevant direction. Benesova's thesis focuses on advancing a new mesoscopic model for the quasi-static thermo-mechanic evolution of shape-memory single crystals along with a specific description of the corresponding microstructure. Existence analysis for suitably weak solutions and the development of a series of numerical experiments are also reported. Although some materials have been already presented in publications by Barbora Benesova, also in collaboration with Martin Kruzi'k, Tomas Roubicek and Gabriel Patho, the thesis contains also original results. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://dspace.cuni.cz/bitstream/handle/20.500.11956/41696/140020661.pdf?isAllowed=y&sequence=6 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
