Article | REF: M1290 V2

Heat treatment of aluminium alloys - Material and recommendations

Author: Michel STUCKY

Publication date: June 10, 2011 | Lire en français

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1. Heat treatment vocabulary

The vocabulary is defined by standard NF EN 12258-1. This standard applies to wrought and cast products.

The most commonly used definitions are listed below, with the addition of common terms and definitions not included in the standard.

Age-softening: reduction in strength and hardness at room temperature of certain alloys, due to spontaneous precipitation in the work-hardened structure of the metal.

Self-quenching alloy: an alloy whose critical quenching rate is lower than the natural cooling rate occurring in still air after hot forming, in or out of the mold, after solidification of castings.

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Heat treatment vocabulary

Bibliography

(1) - VAN HORN (K.R.) - Aluminium - Vol. I : Properties, physical metallurgy and phase diagrams (Propriétés, métallurgie physique et diagrammes de phases). (American Society for Metals), Chapman and Hall (1967).
(2) - VAN HORN (K.R.) -...

Refer to the International Aluminium Institute website (see Websites).

France and Europe

Association française de normalisation AFNOR
- Aluminium and aluminium alloys – Designation system for aluminium alloy remelting ingots, master alloys and cast products – Part 1: Numerical designation system. - NF EN 1780-1 -
- Aluminium and aluminium alloys – Designation system for aluminium alloy remelting ingots, master alloys...