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="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/ijps/volume-2020/8214549/figures/8214549.fig.002a.svgz" name="8214549.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Untreated CFs</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/ijps/volume-2020/8214549/figures/8214549.fig.002b.svgz" name="8214549.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>CFs treated with sodium hypochlorite</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/ijps/volume-2020/8214549/figures/8214549.fig.002c.svgz" name="8214549.fig.002c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>CFs treated with concentrated nitric acid</td></tr></table>

<div>Scanning electron micrographs of carbon fibers.</div>

International Journal of Polymer Science

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Figure 2

Figure 2: Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite 

Figure 2 | Mechanical Properties and Enhancement Mechanism of Oil-Well Cement Stone Reinforced with Carbon Fiber Surfaces Treated by Concentrated Nitric Acid and Sodium Hypochlorite 