N - Aluminium glossary

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Natural ageing

Ageing at room temperature leads to the formation of coherent precipitates, so-called ‘Guinier-Preston zones’, in the structure. In this condition,...

Neutralisation

Neutralisation is a process of surface treatment for foil. Thin, colourless lacquers are applied to the foil; they are not completely free from pores...

New scrap

‘New scrap’ is the term used to describe aluminium scrap (e.g. chips and turnings) that is produced in manufacturing facilities during the processing...

Non-heat-treatable alloys

‘Non-heat-treatable alloys’ is the name given to those alloys whose strength cannot be increased any further by heat treatment. The alloying elements...