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球壳角变形是球壳的一种严重几何缺陷，是球壳的高应力区和破坏的一种起源。掌握球壳角变形区的应力变化特点，对研究球壳角变形和对其控制技术是有价值的。通过对球壳角变形区应力作电测分析，总结出球壳角变形附加应力的变化规律和趋圆理论，给深入研究球壳角度变形奠定了理论与实践的基础．
Ball shell angle deformation is a serious geometric defects of the spherical shell, the shell is a high stress area and a source of destruction. Grasping the characteristics of stress changes in the deformation of the spherical shell angle is valuable for the study of the angular deformation of the spherical shell and its control technology. Through the electric stress analysis of the deformation of the spherical shell shell, the changing law and the rounding theory of the additional stress of the shell shell angular deformation are summarized, laying the foundation of theory and practice for further study of the deformation of the spherical shell shell.