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

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left"></td><td align="center">Environment</td><td align="center">Times (week)</td><td align="center">Tests</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left" rowspan="3">Samples in 35°C</td><td align="center" rowspan="3">33% HCl</td><td align="center">1</td><td align="center" rowspan="3">Tensile</td></tr><tr><td align="center">2</td></tr><tr><td align="center">3</td></tr><tr><td align="left" rowspan="3">Samples in 50°C</td><td align="center" rowspan="3">33% HCl</td><td align="center">1</td><td align="center" rowspan="3">Tensile</td></tr><tr><td align="center">2</td></tr><tr><td align="center">3</td></tr><tr><td align="left" rowspan="3">Samples in 75°C</td><td align="center" rowspan="3">33% HCl</td><td align="center">1</td><td align="center" rowspan="3">Tensile</td></tr><tr><td align="center">2</td></tr><tr><td align="center">3</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Times and temperatures of acid immersion before tensile tests.

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Table 1

Table 1: Estimation of Long-Term Stiffness of Storage Aged GFRP Composite Samples Immersed in HCl Acid by TTSP Method 