期刊论文

Preparation and thermoelectric properties of carbon fiber reinforced cement-based composite

Xie, J.

中文

功能材料

1001-9731

2020

51

4

04148-04152 and 04159

10.3969/j.issn.1001-9731.2020.04.025

长沙理工大学研究生科研创新资助项目(CX2017BS01)。

本校为第一且通讯机构

将不同含量(0.5%,1.0%,1.5%(质量分数))的碳纤维掺入到硫铝酸盐水泥基体中,制备了碳纤维增强水泥基复合材料。通过SEM、阿基米德排水测试法、四探针法等手段,研究了碳纤维含量对增强水泥基复合材料断面结构、抗弯强度、孔隙率、电导率、热导率和塞贝克系数的影响,并模拟太阳辐射进行了能量收集实验。结果表明,碳纤维均匀地分布在水泥基体中形成网格结构,碳纤维与水泥基体有很强的结合力。当碳纤维含量由0.5%(质量分数)增加到1.5%(质量分数)时,水泥基复合材料的抗压强度由71.36 MPa增加到106.51 MPa,增长了49.26%;孔隙率由0.8%增加到2.0%,增长了150.0%;电导率由0.0214 S/m增加到0.2408 S/m,增长了...

Carbon fiber reinforced cement-based composite was prepared by adding carbon fiber with different content (0.5 wt%, 1.0 wt%, 1.5 wt%) into sulphoaluminate cement matrix. The effects of carbon fiber content on the cross-section structure, flexural strength, porosity, conductivity, thermal conductivity and Seebeck coefficient of reinforced cement-based composite were studied by means of SEM, archimedes drainage test and four probe method, and the energy collection experiment was carried out by simulating solar radiation. The results showed that t...