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ABSTRACT
In the same manner as the majority of metallic alloys, magnesium alloys can be heat treated in order to make their properties evolve. These treatments modify the mechanical characteristics, and notably resistance, toughness, hardness and resilience to shocks. Furthermore, they also allow for achieving other objectives such as the improvement of corrosion resistance, the capacity to design wrought alloys and finally the conditions for the using of parts.
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Michel STUCKY: Non-ferrous alloys expert at CTIF - Lecturer at the École supérieure de Fonderie et de Forge
INTRODUCTION
Like most metal alloys, magnesium alloys can be heat treated to modify their properties. These treatments have several objectives:
modify mechanical characteristics ;
improve corrosion resistance ;
to shape wrought alloys (forging);
to facilitate the welding of certain magnesium alloys;
eliminate or reduce residual internal stresses.
Treatment conditions depend on the alloy composition, the type (casting or wrought) and, where applicable, the conditions of use of the parts.
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Heat treatment of magnesium alloys
Overview of magnesium alloys and heat treatments
Bibliography
References
Standards and norms
France – Association française de normalisation, AFNOR
- Magnesium alloy semi-finished products – Composition and characteristics of general-purpose rolled and extruded products. - NF A65-717 - 08-81
- Magnesium alloy semi-finished products – Spun flats – Dimensions and tolerances. - NF A65-727 - 09-88
- Magnesium alloy semi-finished products – Circular-section extruded bars – Dimensions and tolerances....
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