Alloys Flashcards
1
Q
Why are alloys harder than pure metals?
A
Alloys contain different sized atoms, atoms cant slide off each other
2
Q
Why is stainless steel used?
A
Its corrosion resistant, ideal for cutlery
3
Q
What is a property of low carbon steel and why it is useful?
A
Easily shaped, ideal for car bodies
4
Q
What is a property of high carbon steel and why is it useful?
A
Very hard and inflexible, ideal for blades and bridges
5
Q
Which two metals are in bronze?
A
Copper and Tin
6
Q
Why isn’t pure gold used for jewellery?
A
Too soft
7
Q
Why aren’t pure metals hard enough?
A
The atoms of a pure metal are arranged and can slide off another?
