L - Aluminium glossary

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Lamination

Aluminium strip and foil can be coated with other materials, such as with plastic films, paper and the like, which are bonded to the aluminium. The...

Laser welding

Laser technology had it’s breakthrough in the welding technology due to the possibility of focusing the laser-light into a single concentrated point...

Lateral impact extrusion

Lateral impact extrusion is a form of cold impact extrusion. The die and container are positioned at right angles to the extrusion axis. In the...

Lead

Lead is an alloying element that like bismuth and tin is added to aluminium to improve its machinability. Aluminium alloys of this type are referred...

Les Baux de Provence

Les Baux de Provence is the place in southern France where in 1821 an ore was discovered that has since become the main raw material for aluminium....

Liquidus temperature

The liquidus temperature indicates the temperature at which a cooling molten metal starts to solidify.

Lithographic sheet

Lithographic sheet is used for printing plates. It therefore has to fulfil very strict requirements: the surface has to be of a particularly good...

London Metal Exchange LME

The London Metal Exchange LME is one of the most important metal trading centres in the western world. Amongst other things, the LME fixes the price...

Lost-foam casting

Lost-foam casting is a sand casting process in which the casting pattern is not removed to make space for the metal once the mould has been produced...

Low-pressure casting

Low-pressure casting is a casting process in which the molten aluminium is transferred under relatively low gas pressure via a riser tube in a...

Lubrication

he purpose of lubrication, using lubricants such as oil, grease, salts or soap emulsions is to prevent direct contact between work piece and tool....