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The present work investigates the Knoop hardness of rocks and other pressure sensitive materials. We tested ten different types of rocks, a cement paste, and PMMA. We also analyzed existing experimental results for Mg-PSZ (magnesia-partially stabilized zirconia) and Pb40Ni40P20 metal glass. We performed finite element indentation analysis for three types of material models: Mohr-Coulomb (associative),...
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