高 翔1,孙亚飞2,耿 飞2,徐少云2
新型水泥基吸波材料的性能分析研究
高 翔1,孙亚飞2,耿 飞2,徐少云2
摘 要:通过三层设计,使新型水泥基吸波材料与空间波阻抗实现良好的匹配,并具有优良的电磁波损耗特性,测试了新型吸波材料的吸波性能和抗压强度。研究表明,该水泥基吸波板反射率均低于-5.9dB,最小反射率出现在4.5GHz,达-22.4dB;小于-10dB有效带宽为10.8GHz,占整个波段63.3%;水泥基吸波材料28d抗压强度为49.2MPa,较基准的降低了15%。
Abstract: By triple designing, absorbing materials make it possible that match with space wave impedance, which has excellent electromagnetic loss characteristics. The absorbing properties and compressive strengths of cement-based materials were investigated. Results showed that the reflectivity of triple-layer cement based absorbing panel was lower than-5.9dB in the frequency range of 2~18GHz, and the minimum reflectance was -22.4dB in 4.5GHz. Less than -10dB effective bandwidth was about 10.8GHz, which covered 63.3% of the whole bandwidth. The compressive strength of cement based absorbing material was 49.2MPa curing at 28 days, and it was reduced by 15% than that of the based specimen.
版权所有:中国混凝土与水泥制品网 苏ICP备10086386号 网站建设:中企动力 苏州