As you understand from its name that superalloys has very unique properties compared with other conventional alloys. As you know that alloys contain two or more constituent metals inside them. The difference of superalloys is, they includes three or more constituent metals inside them. In this article, we will explain the unique properties and differences of superalloys below.
Actually superalloys has not distinctive properties at room temperature, compared with other conventional alloys. Superalloys’ distinctive properties are prominent at high temperatures. At higher operating temperatures, superalloys show very good mechanical properties such as strength and resistance to surface degradation(corrosionand oxidation). Even at around 1100 celsius degrees, these superalloys show very good mechanical properties.
But the production tonnage of superalloys are not high as conventional alloys. Actually, the production rates of superalloys can be negligible compared with other conventional alloys. Because of that, superalloys are very expensive and precious.
If we take a look at the applications of superalloys, systems in which operating efficiency increases with higher temperatures. Gas turbines, steam turbines, jet and rocket engines and nuclear power plants.
Superalloys can ve classified according to their primary constituents which has three categories;
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