Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">CF type added</td><td class="align_center">Content of CF (%)</td><td class="align_center">Peak stress (MPa)</td><td class="align_center">Elasticity modulus (MPa)</td><td class="align_center">Peak stain (%)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">P0</td><td class="align_center">0</td><td class="align_center">40.8</td><td class="align_center">6645</td><td class="align_center">1.8%</td></tr><tr><td class="align_left">P1</td><td class="align_center">0.2%</td><td class="align_center">49.6</td><td class="align_center">4962</td><td class="align_center">4.4%</td></tr><tr><td class="align_left">P2</td><td class="align_center">0.2%</td><td class="align_center">45.8</td><td class="align_center">4907</td><td class="align_center">4.5%</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mistrial testing results for cement stone.</div>

International Journal of Polymer Science

tab7

Table 7

Table 7: Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite 

Table 7 | Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite 