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Iron is an important metal that has many uses in modern life. It is a group 8 metal that is lustrous, malleable and ductile.

It is found in a large amount at the Earth’s core in a molten state. It is the dominant element at the inner core-mantle boundary (136 GPa) and at the outer core-outer core boundary (330 GPa).

The melting point for iron has been a subject of much research. It is a key factor in understanding the thermal structure of the Earth, and it has implications for the temperature, thermal history, and dynamics of the planet.

There are several methods for determining the melting point of iron, including Kofler benches, differential scanning calorimetry and thermodynamic calculations. Differential scanning calorimetry allows you to determine the enthalpy of fusion, which is a measure of how much energy is required to melt a substance.

Another method is to use a laser-heated diamond anvil cell. This is a special type of laboratory instrument that heats a strip of metal from room temperature to 300 degC.

Using this technique, the researchers observed that a change in the atomic vibrations of iron occurred at high temperatures. This is because at higher temperatures, atoms are more likely to vibrate.

At low temperatures, iron has a loosely packed open structure, but as the temperature increases, the atoms become more tightly packed. This is one of the strange things about iron. It is also one of the reasons why steel is so strong.