Dr. Dmitri Kopeliovich

Cast magnesium alloys are manufactured by Die casting, Permanent mold casting and Sand casting methods.

Mechanical properties (particularly ductility) of cast magnesium alloys are lower, than those of wrought alloys.

Cast Magnesium-Aluminum-Manganese Alloys (AM100A, AM60A) are heat-treatable and may be strengthened by precipitation hardening (solution treatment followed by aging).

Magnesium-aluminum-manganese cast alloys have good casting properties and good combination of mechanical strength and ductility.

The alloys are used in for manufacturing aircraft parts.

Cast Magnesium-Aluminum-Zinc Alloys (AZ63A, AZ81B, AZ91A, AZ92A) may be hardened by heat-treatment.

The alloys have good mechanical strength combined with excellent ductility and impact toughness.

Cast magnesium-aluminum-zinc alloys are used for manufacturing automotive wheels and structures, components of electric instruments and motors, plastic molds.

Cast Magnesium-Rare Earth-Zirconium- Alloys (EZ33A, EK30A, EK41A) may be hardened by heat treatment.

Cast magnesium-rare earth-zirconium alloys have good mechanical strength at elevated temperatures – up to 500°F (260°C).

Cast Magnesium-Zinc-Zirconium Alloys (ZK51A) may be hardened by heat treatment.

The alloys possess high yield strength combined with good ductility.

Cast magnesium-zinc-zirconium alloys are used for manufacturing small and relatively simple highly stressed parts.

Cast Magnesium-Thorium-Zirconium Alloys (HK31A, HZ32A, ZH42, ZH62A) may be hardened by heat treatment.

The alloys have good mechanical strength at the temperatures above 500°F (260°C) and good Creep resistance.

Cast magnesium-thorium-zirconium alloys are used for manufacturing aircraft engines, airframe structures.

(Concentration of magnesium - balance)

(Materials Data)

• Cast magnesium alloy AM100A
• Cast magnesium alloy AZ63A
• Cast magnesium alloy EZ33A
• Cast magnesium alloy ZK51A
• Cast magnesium alloy HK31A

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• Classification of magnesium alloys
• Wrought magnesium alloys
• Cast aluminum alloys

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