Study on the Graphite-Based Cementitious Material for the Soil Moisture Detective Probe
Soil moisture detective probe is an important part of automatic irrigation system. Soil moisture probe is usually made of metal material which is easy to be corroded and passivated as long-term working in the damp soil, especially containing acid, alkali and salt. We developed a new soil moisture probe material - the graphite-based cementitious material. The mechanical properties and the conductive properties of the material were tested and we found the graphite-based cementitious material which contains 30% to 50% of graphite could be an applicable material for the soil moisture probe.
Liangchi Zhang, Chunliang Zhang and Zichen Chen
L. Yao et al., "Study on the Graphite-Based Cementitious Material for the Soil Moisture Detective Probe", Advanced Materials Research, Vols. 328-330, pp. 1627-1631, 2011