Engineering keywords #3 Flashcards
1
Q
Metals can be classified into two main groups. What are they?
A
Ferrous metals
Non-ferrous metals
2
Q
What are ferrous metals?
A
A ferrous metal contains iron (ferrite) and carbon.
3
Q
What is a non-ferrous metal?
A
A non-ferrous metal does not contain iron.
4
Q
Name four ferrous metals.
A
Cast Iron
Mild Steel
Medium Carbon Steel
High carbon steel
5
Q
Name at least five non-ferrous metals.
A
Aluminium Copper Lead Tin Zinc Titanium Platinum Gold Silver
6
Q
What is a smart material?
A
A smart material can change one or more of its properties in response to changes in its environment. This could be through temperature, light, stress or electricity.
7
Q
What is a shape memory alloy (SMA)?
A
A shape memory alloy is a metal which, once deformed, will return to its original shape when heated above its transition temperature.
