横穴をもつ黒鉛円筒のねじりによる破壊

概要

論文の詳細を見る
This study aimed at a theoretical approach which can be applied to the Fracture analysis of graphite cylinders with a transverse hole under torsion. It was found that the position of maximum tensile stress occurred at an intersection of hole and outer surface of the cylinder. Theoretical analysis has been carried out with the surface layer theory applied to the maximum tensile stress at the edge of the hole. The graphite is brittle material with a little ductility; therefore, we established the fracture criteria by taking the ductility into account. The fracture stresses of the solid and hollow cylinders were dependent only on the diameter of the hole, and were not influenced by the outer diameter of the cylinder. A hole with the comparatively small diameter had no effect on the fracture stress of the cylinder.
一般社団法人日本機械学会の論文
1992-05-25