Strongest compressive strength material

AI Thread Summary
The discussion centers on identifying the highest compressive strength measured in man-made materials, with a particular interest in those reaching gigapascal levels. Neutronium is mentioned as a theoretical material with extreme compressive strength, but the focus is on materials that have been physically measured. Diamond is noted for having a compressive strength exceeding 110 GPa, making it one of the strongest known materials. Additionally, aluminum oxide (alumina) is highlighted as a cost-effective option with significant compressive strength. The conversation suggests that ceramic materials may also play a role in high compressive strength applications.
WallyWerkle1969
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Hi guys,

Would like to know what's the highest compressive strength ever measured in any material, and what material that might be. Specifically wondering if there are any materials with gigapascal-level compressive strengths. Thanks!

Rgds,
Wally
 
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Do you mean actually physically measured as opposed to calculated? If not, neutronium would pretty much take the prize.
 
Danger said:
Do you mean actually physically measured as opposed to calculated? If not, neutronium would pretty much take the prize.
Oops, guess I should have clarified: I'm looking for man-made materials, so neutronium doesn't count (for now...).
 
WallyWerkle1969 said:
Oops, guess I should have clarified: I'm looking for man-made materials, so neutronium doesn't count (for now...).
Of course, if there are any natural materials that are stronger but that we've actually physically measured those work as well.
 
Got it. I can't help. A structural engineer will know. Hang on for a while and one will show up.
 
I would think it would be some sort of ceramic material. From the small amount of material specs I've looked at, I think diamond is the highest compression allowable I've seen (>110 GPa), but in a more cost-effective setting aluminum oxide (alumina) has a decently high compression allowable.
 
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