Metals Flashcards Preview

Resistant Materials > Metals > Flashcards

Flashcards in Metals Deck (12):
1

What are the three types of metals

Ferrous
Non-Ferrous
Alloys

2

What are the Pros and Cons of Iron (Ferrous -Fe)

Cons: Rusts
Pros: Magnetic - separates easily in recycling
Plentiful supplies- in earths crust
Cheap

3

What are the pros and cons of Mild Steel (Ferrous-Fe)

Cons: Has to be painted - or will rust
Needs prime#2, Top coat - colour#3, Lacquer#1
Pros: Durable- Easy to bend and shape
(car body's are made from this- crushes like tin can)

4

What are the pros and cons of Cast Iron (Ferrous-Fe)

Cons: Brittle - Because 3.5% Carbon Added
Pros: hard/ridged

5

What are machine vices made of

Cast Iron (Ferrous-Fe)

6

What are the pros and cons of Aluminium (non-ferrous- non-iron)

+/- Soft
+no rust
+100% Recyclable
- £ expensive

7

Why would you use Aluminium for a coke can

-You don't want rust in your drink
-Don't have to paint the inside of the can

8

What are the pros of Non-Ferrous metals (non-iron)

+Doesn't rust
+Don't need painting
+As it is worked it hardens

9

What are the pros of an Aluminium Allloy

+no rust
+light

10

What goes into an Aluminium Alloy

95% Aluminum
5% Silicon

11

What is an Alloy

Mixture of 2 or more metals, to get the good properties of each metal to form a better metal.

12

Stainless Steel

+No rust
90% mild steel
10% Chrome