iron alloy is a metal made by mixing iron with other elements to create stronger and more durable materials. Alloys are used in a wide variety of industries due to their unique properties, including strength and durability.
The most commonly used iron alloy is steel, which is a combination of iron and carbon to create a strong material with high tensile strength and resistance to corrosion. Other examples of iron alloys include cast iron, stainless steel, and nickel.
Pure iron is soft, but when combined with other elements it becomes much harder and more durable. When mixed with other metals, it also demonstrates unique physical properties such as malleability, which means that it can be hammered into sheets or drawn into wires. It is also a good conductor of electricity and heat, and can be magnetised.
While there are some rare exceptions, most iron alloys are created by adding small amounts of other elements to pure iron during the manufacturing process. This is called melting and casting. The most common ancient alloys were bronze, an alloy of tin and copper, and steel, which is iron mixed with carbon to create a hard material. Modern industrial alloys are often fortified with other metals, such as chromium to create stainless steel or nickel, to increase their hardness or ability to resist corrosion.
Novel iron alloys have been developed that are manufactured through alternative methods to conventional casting, such as rapid solidification processing, spray deposition and physical and chemical vapor deposition. However, these more exotic techniques are currently restricted to specific applications due to their high cost.