Question

State the composition and two uses of following alloy.

(b) Duralumin

Answer 1

Part 1: Composition of Duralumin

Alloy is a homogenous mixture of two metals or non-metals that has enhanced physical properties.

Duralumin is an alloy of aluminium mixed with copper, manganese, and magnesium.

• Aluminium - 95 %
• Copper - 4%
• Manganese - 0.5%
• Magnesium - 0.5%

Part 2: Uses of Duralumin

• Duralumin is used in the manufacturing of aircraft frames as it is lightweight
• Duralumin is used in making household articles.