A thin piece of gold reached 33,740 degrees Fahrenheit, which is more than 14 times higher than its melting point, by being rapidly heated—and it didn't melt
https://www.smithsonianmag.com/smart-news/physicists-superheated-gold-to-hotter-than-the-suns-surface-and-disproved-a-40-year-old-idea-180987043/