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Table 3 Average properties of alumina

From: Quantum mechanical analysis of yttrium-stabilized zirconia and alumina: implications for mechanical performance of esthetic crowns

Averaging scheme

Bulk modulus

Young’s modulus

Shear modulus

Poisson’s ratio

Voigt

KV = 199 GPa

EV = 341.6 GPa

GV = 140.7 GPa

νV = 0.2139

Reuss

KR = 198.6 GPa

ER = 327.35 GPa

GR = 133.58 GPa

νR = 0.22528

Hill

KH = 198.8 GPa

EH = 334.51 GPa

GH = 137.14 GPa

νH = 0.21956