Metals and Alloys Flashcards
1
Q
what are the properties of metals?
A
- Metals are strong and can be bent or hammered into different shapes
- They conduct electricity
- The conduct heat
2
Q
why is copper good for electrical devices and aeroplanes?
A
It is a good conductor of electricity and is strong but can be bent and shaped and doesn’t react with water
3
Q
why is aluminium good for aeroplanes?
A
It is corrosion resistant and has a low density
4
Q
why is titanium good for replacement bones in the body?
A
It is corrosion resistant, strong and has a low density
5
Q
what is an alloy?
A
Alloys are a mixture of two or more metals which are chosen to make specific properties, as they are chemically bonded the layers are distorted making it harder for them to slide giving an alloy a harder shape
