Melting point of iron at 800,000 atm!

Since we were just talking about the effect of pressure on the melting and boiling temperatures of pure materials, here’s an interesting news item.

Recent research at Caltech suggests that the melting point of iron at high pressures of 10 – 80 GPa are actually higher than previously thought.

These are HUGE pressures, really. Since, 1 MPa is about 10 atm, 80 GPa would correspond to about 8,00,000 atm!)

Here is a short write-up about the research. The original research paper is here.

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