Tensile creep property of unsymmetrical and multidirectional GFRP laminates

摘要

The purpose of this study is to estimate the long-term creep behavior of the unsymmetrical and multidirectional GFRP laminates in short-term consideration of stress, temperature and tensile angle to reinforced glass fiber. Long-term predictions of tensile creep strain could be made using the analytical result of power law equation and TTSP (Time Temperature Superposition Principle) method. A reasonable comparison between the prediction curve with the power law equation and the master curve with TTSP method is observed at time up to 10~8 second. The internal hydraulic pressure creep test on this GFRP pipe under end free conditions verified creep prediction curve.