Engineering Materials
Addition of lead and bismuth to aluminium results in

Improving machinability
Improvement of casting characteristics
One of the best known age and precipitation hardening systems
Improvement of corrosion resistance

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Aluminium bronze contains

10% aluminium and 90% copper
94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
90% magnesium and 9% aluminium with some copper
92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg

ANSWER DOWNLOAD EXAMIANS APP