LI Xiang-lin1,XIE Shui-sheng2,ZHOU Tian-rui1, LI He3,XIE Li-xin1,ZHAO Da-hua1 (1.Nanchang University,Nanchang 330029,China; 2.Beijing General Research Institute Non-Ferrous Metals,Beijing 100088,China; 3.Nanchang Institute of Aeronautica
Abstract:In this paper,we used a photoelastic stress-freeze method to analyze the stress distribution in an oblate extrusion pipe that bore extrusion force.The experimental result shows the maximum circumferential stress in a composite oblate extrusion pipe is red