碳纳米管对水泥基材料热膨胀性能的影响
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张淑文,张杰,王贵春,高丹盈
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Effect of Carbon Nanotubes on Thermal Expansion Properties of Cement-based Materials
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Shuwen ZHANG,Jie ZHANG,Guichun WANG,Danying GAO
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| 表1 碳纳米管的基本性能参数 |
| Table 1 Basic performance parameters of carbon nanotubes |
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| Property | Parameter |
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| Non-carbon content/%, mass fraction | <5 | | Median wall number/Walls | 7 | | Median outer diameter(OD)/nm | 8~15 nm | | Median inner diameter(ID)/nm | 3~5 nm | | Median tube length/μm | 3~12 μm | | Median aspect ratio | 300 | | Moisture content/%, mass fraction | 1 | | Bulk density(tapped)/g·cm-3 | 0.15 | | Specific surface area/m2·g-1 | >233 |
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