Research Article

Estimation of Long-Term Stiffness of Storage Aged GFRP Composite Samples Immersed in HCl Acid by TTSP Method

Table 5

Calculation of acceleration factor.

Log  𝑡 (week)week

Time of degradation in ambient temperature (new master curve)0.725.25

Time of degradation in acceleration process0.443

Acceleration factor (k)5.25/3 = 1.73