Chapter 12 - Non-Ferrous Alloys Flashcards
1
Q
What are aluminium’s characteristics?
A
Low density light weight and soft Non magnetic Good conductor (Heat and electricity) Corrosion resistant
2
Q
What are the 2 classifications of Aluminium alloys?
A
Wrought and Cast aluminium alloys
3
Q
What are the 2 types of wrought aluminium alloys?
A
Heat treatable and Non heat treatable
4
Q
What are the properties of non-heat treatable wrought alloys?
A
- Low mechanical strength
- high ductility
- high corrosion resistance
- weldable
5
Q
What are the properties of heat treatable wrought alloys?
A
- Medium-high mechanical strength
- high ductility
- high corrosion resistance
6
Q
What are the characteristics of Copper?
A
- soft and ductile
- cold working (work hardening)
- excellent conductor for heat and electricity
- good corrosion resistance
7
Q
What are the two main copper alloys?
A
Brass and Bronze
8
Q
What is brass? and its characteristics?
A
– copper and zinc alloy – relatively low melting point (900- 940°C) – Hard or soft based – Does not strike sparks
9
Q
What is bronze? and its characteristics?
A
– copper and tin alloy
– relatively low melting point
– very ductile
– Low frictional properties
