Here are some heat treatment processes for aluminium:

• Solution heat treatment

Involves heating the aluminum to a temperature above its solvus temperature, then rapidly cooling it in a liquid. This process improves the mechanical properties of the aluminum, such as its strength.

• Quenching

Involves rapidly cooling a heated metal in a colder liquid, such as oil, water, or air. This process increases the alloy's strength and corrosion resistance.

• Precipitation hardening

Also known as artificial aging, this process is used to bring some aluminum alloys to their maximum hardness. It involves heating the alloy to a specific temperature between 240°F and 460°F, then air cooling it to room temperature.

• Tempering

Usually follows the hardening process to remove brittleness while retaining the alloy's hardness.

Other heat treatment processes for aluminum include annealing and homogenizing

Benefits

• Increased Strength.
• Enhanced Formability
• Improved Resistance to Corrosion.

Typical material used

Aluminium is a material that can be used in a variety of heat treatment processes, including annealing, solution heat treatment, quenching, and tempering

Applications

Transmission Castings.
Fan Casings