本文探討兩種異向性材料組成且交界面具滑移或完全結合性質之楔形體之應力奇異性分析。在廣義平面應變的假設下，採用Stroh formalism來描述位移場、應力場及平衡方程式，並建立楔形體邊界為零曳引力和零位移之特徵方程式，藉由此特徵方程來分析應力奇異性之大小。由本文的研究，可了解材料組成、楔形體展開角、邊界條件及結合面滑移性質等因素對應力奇異性之影響。由這些因素配置關係，可使應力奇異性減弱甚或消失，間接地可提升工程結構物使用的安全性。

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