Science, Maths & Technology
Low pressure die casting (counter-pressure casting)
...economical with alloys of zinc and aluminium. Typical products include aluminium alloy wheels, cylinder blocks, guttering and beer barrels. Materials: Dies are usually grey cast iron, although for long production runs, alloy cast iron or tool steel are used. Process uses a wide range of aluminium alloys, nearly all of which contain silicon to improve fluidity. Relatively...