本研究主要探討三維鋁蜂巢複合材料之力學性質，即當此複合材料承受外加載重作用時，其楊氏模數、柏松比、剪力模數及產生挫曲時之極限承載力。首先，選擇三種不同相對密度之鋁蜂巢材料，然後分別建立其力學分析模型，利用有元素法套裝軟體ABAQUS進行數值分析，將數值分析結果所得之楊氏模數與剪力模數，對照現存理論加以驗証邊界條件設定之正確性。最後，再針對各數值分析模型，分別進行Global挫曲分析及模擬無限域之Local挫曲分析，藉由變化鋁蜂巢複合材料中之基材性質進行一連串不同材質條件下之數值分析，以建立鋁蜂巢複合材料極限承載力與其基材勁度間之關係。

A serier of numerical analyses on the mechanical properties of aluminum honeycomb reinforced composites are presented here, including Young’s modulus, Poission’s ratio, shear modulus and elastic buckling strength . Three different relative density honeycombs are considered and utilized in generating the numerical models of aluminum honeycomb reinforced composites for finite element analysis. Numerical results are compared with the existing theory to verify the validity of boundary conditions imposed in running the finite element package ABAQUS. At last, the global and local buckling of aluminum honeycomb composites with different matrix stiffness are studied. As a result, the relationship between the elastic buckling strength of aluminum honeycomb reinforced composite and the stiffness of matrix is obtained.

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