changing the structure of metals Flashcards
1
Q
what is work hardening
A
The strengthening of a metal by changing its crystalline arrangement.
2
Q
Where is it used commonly-WH
A
Axels, cogs and metal cutting lathes
3
Q
what metals are used
A
Pure copper
Aluminium
Low carbon steel
Alloys
4
Q
what is tempering
A
Changing the structure of a metal by heat treating it
5
Q
what products are tempered
A
Knives Metal weapons Metals in welding Pillar Drills Hydraulic press rams
6
Q
what metals are tempered
A
Steel
Magnesium
Nickel
Titanium
7
Q
what is case hardening
A
adding a layer to the outer layer of metals to make it stronger
8
Q
where is case hardening used
A
armour
shackle of a lock
Filing and sanding resistant
9
Q
what metals are case hardened
A
LCsteel HCsteel cast iron high strength low alloy steel Tool steel Stainless steel