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A New Approach for Predicting Effective Elastic Moduli of Inhomogeneous and Anisotropic Material

預測不均勻各向異性材料有效彈性模量的一個新公式

摘要


本文提出一個預測不均勻各向異性材料有效彈性模量的新公式。所給出的表達式具有Reuss和Voigt張量値幾何平均的形式,因而具有唯一性。用本文所給出的公式對銅和α鐵多晶體的有效彈性模量作了預測,並與Hill和Kroner法的預測結果作了比較,結果令人滿意。

並列摘要


A new approach for predicting effective elastic moduli of microscopically inhomogeneous and anisotropic polycrystalline materials is proposed in the present paper. The expression of the proposed approach is exhibited in a form of geometric mean value of Reuss and Voigt tensors for effective elastic moduli of inhomogeneous and anisotropic polycrystalline materials and therefore unique. Predictions of elastic moduli for Cu and α-Fe polycrystals using the present approach are made and compared to those of Hill and Kroner. The results are promising.

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