M6.2 Non Ferrous Flashcards
What is a non-ferrous metal?
Elements other than iron as base, non magnetic
How are wrough aluminium alloys made?
Heated and worked
How are cast aluminium alloys made?
Heated then moulded then cooled
What are the first major alloy groups? (1XXX)
1 = pure aluminium
2 = copper
3 = magnese
4 = silicon
5 = magnesium
6 = magnesium and silicon
7 = zinc
What are the 2 most used alloy digits in aviation?
2024 and 7075
What does cladding help prevent? What is cladding? (Fences)
Corrosion, adds thin layer by rolling
Magnesium hazard?
Very flammable
How do you put out a magnesium fire?
Sand
What happens when alloyed with titanium?
. Lightweight
. Lighter than steel
. Soft and ductile
What does titanium make?
Bolts, fasteners, blades
What are the two nickel alloys?
. Monel
. Inconel
What are Monel characteristics?
. Weldable
. Good when heat treated
. Used in gears
What are inconel characteristics?
. Maintain strength
. Corrosion resistant
. Can handle high temps
What happens when alloyed with copper?
. Conductivity
. Malleable and ductile
What are the 2 aluminium heat treatments?
. Solution heat treatment
. Precipitation heat treated