TU Wien:Biokompatible Werkstoffe VO (Stampfl)/Exam 23.01.2024 written

In general all the question were the common exam questions, just in written form.

1. Fracture Toughness: Formula and calculation how much longer a crack can be in steel compared to glass. You needed to know the formula.
2. Classification of material: bonds, morphology
3. Polymers: bonds and why thermoplasts have such a low melting point
4. Why thermal expansion coefficient for lower melting temperatures is higher than für higher melting temperatures (sketch binding energy over atomic distance)
5. Definition: inorganic glass, ceramics, glass-ceramics and advantages and disadvantages of ceramics in dentistry
6. Sketch common strain-sress curve and mark important points
7. phase transformation of zirconia
8. biocompatibility matrix what is it
9. 4 wound healing stages and benefits of wound dressings
10. Medical classes in EU: parameter, 1-2 examples each