在纤维端部存在高切变应力视为导致产生裂缝的因素。
The occurrence of high shear stress at the fibre end is a factor which is expected to lead to crack generation .
本文对玻璃纤维缠绕管在高应变控制下的应力松弛特性进行了实验分析，给出了其非线性松弛的理论公式。
In this paper, the experiments with high strain were conducted to analyze the relaxation behavior for the fiber glass winding pipe. The nonlinear relaxation formula was given.
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