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="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Fiber</td><td class="align_center">Fiber properties</td><td class="align_center">Nature</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left" rowspan="5">CF</td><td class="align_center">Fiber length (<i>μ</i>m)</td><td class="align_center">10~100</td></tr><tr><td class="align_center">Fiber diameter (<i>μ</i>m)</td><td class="align_center">8~20</td></tr><tr><td class="align_center">Tensile strength (MPa)</td><td class="align_center">&gt;3300</td></tr><tr><td class="align_center">Bulk density(g/cm3)</td><td class="align_center">1.76</td></tr><tr><td class="align_center">Elastic modulus (Gpa)</td><td class="align_center">220</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Performance parameters of CFs.</div>

International Journal of Polymer Science

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Table 3

Table 3: Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite 

Table 3 | Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite 