Ruthenium is a rare transition metal that is known for its high melting point, making it a popular choice for industrial applications that require materials that can withstand high temperatures.
The melting point of ruthenium is approximately 2,334°C (4,233°F), which makes it one of the highest among the transition metals.
This high melting point is due to the strong metallic bonds that exist between the atoms in a ruthenium crystal. These bonds are formed as a result of the overlapping of electron orbitals, which creates a dense and tightly packed arrangement of atoms. This strong bonding results in a material that is highly resistant to thermal expansion, making it ideal for high-temperature applications.
Ruthenium’s high melting point also makes it a useful material in the production of refractory metals. Refractory metals are those that can maintain their strength and resist melting at high temperatures.
This makes them ideal for use in high-temperature environments, such as in the aerospace and automotive industries, where they are used in the production of high-performance engines and other components.
Another important characteristic of ruthenium is its low thermal expansion coefficient, which means that it does not expand significantly as it is heated. This makes it an ideal material for use in high-temperature applications, where dimensional stability is critical.