SPACE MATERIALS
- Basic knowledge in material science and engineering, such as crystal- and microstructure, mechanical properties.
- Relationship between material microstructure and properties. Hardening mechanisms.
- Light alloys, super alloys, ceramic materials and different types of composites.
- Material degradation and fatigue depending on effects of extreme environments.
- Oxidation, radiation resistance, out-gassing.
STRUCTURES
- Energy methods: Minimum potential energy theorem. Virtual work. The Rayleigh-Ritz’ method.
-Thin plates: The Kirchhoff plate equation. Solution methods.
- Shells structures: Basic equations. The membrane state of shells. Shells of circular symmetry and circular
symmetric loading.
- Structural instability.
- Honeycomb panels. Whipple shield.
- Fundamental fequency of deployable systems as solar panels.
Outcome:
The aim of the course is for the student to:
- have acquired the basics of the space environment's challenges in terms of material technology.
- have acquired basic knowledge for the construction and behavior of high-performance materials used in the
aerospace industry.
- have acquired basic knowledge of how to estimate properties of composites, ceramics and alloys.
- know the most important degradation mechanisms that arise in the results of thermal and mechanical loads and
lead to fatigue and lifetime reduction of materials.
- know typical solutions to structural problems in space and estimate effects of the space environments on the
spacecraft structur.
- be able to carry out numerical simulations using commercial codes to analyze and optimize structures.
- be able to use simple structural models of thin flat and shell-shaped linear elastic bodies,
- be able to calculate voltages and deformations in such structural models,
- be able to carry out and evaluate practical experiments with such structural models,
- be able to methodically attack and solve strength-technical problems for the current class of structural models.
