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MST2 (Fach) / MST2 (Lektion)
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- Why are thermoplastic materials used in injection moulding? dd
- What is the difference between hot embossing and thermoforming? dd
- Why is injection moulding typically expensive for a small number of parts? ddd
- What limits the smallest feature size in hot embossing and/or injection moulding? w
- Describe the key point behind material property homogenisation. Illustrate your description with a particular mathematical example. dd
- For which class of effects are metamaterials good? What is the key point of their function? Give one example. d
- List and explain the four key influences on thin film properties. d
- What is an in situ materials testing device. What are the specific advantages of in situ MEMS material property testing devices? s
- For materials testing setups, what are the major sources of error? a
- Why is the nuclear spin a good sensor for material composition? d
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- Which quantity is characterised in a mass spectrometer? Explain it using the kinetic equation for charged particles in fields. ad
- Explain the functionality of a drop shape analyser. s
- Name four types of self-assembly, and an example of each. s
- Which forces enable self-assembly? s
- Explain the thermodynamics of self-assembly. Define the terms entropy, enthalpy, and free energy. d
- Explain the thermodynamics of self-assembly. Define the terms entropy, enthalpy, and free energy. d
- self-assembly happens at all length scales. Name 3 of these, and give an example of each. d
- What is a block co-polymer? Why is it useful in nano-technology? s
- What is a block co-polymer? Why is it useful in nano-technology? s
- Describe the role of origami in self-assembly. a
- Describe the Janus effect and the Cheerios effect. sd