What are the main differences between ferrous and non-ferrous metals?
Ferrous metals are iron based, they are magnetic, stronger and more prone to corrosion. NF metals are not iron based, non magnetic and corrosion resistant.
Imagine you need to design a lightweight and strong bicycle frame. Which type of material would you use:
A composite
Describe two key differences between ceramics and polymers and give an example of a product made from each material.
Ceramics: heat resistant and electric insulator, strong and brittle. Polymers: heat sensitive, flexible, lightweight.