CH4-Sensing and High-Temperature Mechanical Properties of Porous CaZrO3/MgO Composites with Three-Dimensional Network Structure

Uniformly open-porous CaZrO3/MgO composites were prepared by pressureless reactive sintering, and their gas sensing properties to CH4 and high-temperature strength were studied. The results suggested that the porous material can be used not only for high-temperature filters as reported before, but also for gas sensors. Thus, it is possible to produce multi-functional filters, i.e., simultaneous hot gas-filtering and gas-sensing in one component.