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Table 5 Eigenvalues of stiffness matrix of alumina

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

λ1

λ2

λ3

λ4

λ5

λ6

105.15 GPa

109.04 GPa

155.66 GPa

302.04 GPa

358.76 GPa

598.74 GPa