Several models of bonded dissimilar materials with interface edges are calculated . displacement, electrical potential, singular stress fields and singular electrical displacement fields near a singular point are deduced by the eigenfuntion expansion method based on the general solution of the spatial axisymmetric problem of the transversely isotropic piezoelectric media . a generally axisymmetric interface edge of bimaterials with arbitrary interface angle and joining angle is analyzed theoretically by using this method 在此基礎(chǔ)上,對具有任意界面角和結(jié)合角的橫觀各向同性雙壓電材料空間軸對稱界面端一般模型的軸對稱變形問題進行了理論分析,給出了該模型界面端的奇異性特征方程以及界面端附近的位移場、電勢、奇異應(yīng)力場和奇異電位移場。