Why corrosion of aluminium is considered to be advantageous

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Please choose your registered Email Id. Continue the Learning and Knowledge Sharing journey. PIF examines the advantages and disadvantages of several metals commonly used in manufacturing. Advantages: The most abundant metal in the Earth's crust, Aluminium is relatively soft, durable, lightweight, ductile and malleable metal. It acts as a good thermal and electrical conductor and is also fairly corrosion resistant.

Disadvantages: It's not particularly strong and is expensive compared to steel of the same strength. Applications: Aluminium is almost always alloyed to improve its properties. It is commonly used in the transportation, construction and packaging industries. Advantages: Bronze is an alloy consisting mainly of copper but the addition of other metals usually tin produces an alloy much harder than plain copper. Bronze resists corrosion and metal fatigue better, and conducts heat and electricity, better than most steels.

Disadvantages: Bronzes are generally softer, weaker and more expensive than steel. Applications: Bronze is widely used for springs, bearings, bushings, automobile transmission pilot bearings and is particularly common in the bearings of small electric motors. Advantages: Carbon steel's main alloying constituent is carbon. Low carbon steel is the most common and cost effective form.

It contains around 0. Medium carbon steel contains between 0. High-carbon steel has 0. Disadvantages: Low-carbon steels suffer from yield-point runout and mild steel has a relatively low tensile strength. Applications: Medium carbon is used for large parts, forging and automotive components.

High-carbon steel is used for springs and high-strength wires. Ultra high carbon steel is used for special purposes like knives, axles or punches. Another benefit of Aluminium is that it serves as a good reflector.

It is used in rescue blankets and light fittings because of its ability to reflect both light and heat. Even with 0. This is non-toxic and often used for packaging of the sensitive products including pharmaceuticals and food. During production, it is more cost-effective to use recycled metal than prime metal out of the ground and so, during production, as much recycled material is used as possible.

See also: See also: Uses of Aluminium. To get in touch: To get in touch:. Corrosion Resistance Corrosion Resistance Aluminium is a corrosion resistant metal that naturally generates a protective coating.