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Table 2.

Bulk moduli and hardness values for 2, 5 and 10 wt.% of alumina content.

Al2O3 wt.% Hardness (GPa) Modulus (GPa) Microhardness (HV0.3)
2% 1.5 75 59
5% 2.4 100 93.6
10% 2.5 100 112.4

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