Re: New Material Harder Than Diamond

Michael Dahms wrote:
> > Well it could be and is sometimes. Heteronuclear diamond goes up to
> > ~105 GPa. I wonder how tough ballas gets.
> ^^^^^^^
> That's not a hardness but a stiffness. Toughness is a different property
> as well.

Wrong, it's much lower than the moduli. Indentation tables are easily
converted into stress tables.

-Aut

.

Relevant Pages

  • Re: New Material Harder Than Diamond
    ... >> Hardness is not measured in GPa. ... >> Physicists tend to ignore common engineering standards. ... That's not a hardness but a stiffness. ... Michael Dahms ...
    (sci.materials)
  • Re: New Material Harder Than Diamond
    ... > Hardness is not measured in GPa. ... > Physicists tend to ignore common engineering standards. ... Heteronuclear diamond goes up to ...
    (sci.materials)
  • Re: Youngs Modulus / Steel / Abnormal values
    ... I'm looking on the web for a numeric range but haven't ... 140 GPa looks like an austenitic steel. ... Michael Dahms ...
    (sci.materials)
Loading