Porosity Influencing Tungsten Trioxide Ceramic Density

Porosity is a measure of the degree of dense objects, the pore volume of the object to a percentage of the total volume; it is the degree of sintering ceramics and refractories and other products, it is the determination of porous material such as activated carbon adsorption capacity, as well as to measure the technical properties of the foam material and so on. The size, temperature and pressure of porosity are related. Generally speaking, the higher the temperature, the greater the pressure, the greater the general porosity. Porosity ceramic material is dense level of characterization.

The test results in the following table:

The data of porosity in the table above shows that the sintering temperature is 1100 ℃ and 1180 ℃, the sintered samples are in loose state, heating 2h, tungsten trioxide dusting off the lumps in boiling water; and the porosity of the sintered samples sintered samples is lower than abroad when the temperature is 1200 ℃, porosity is smaller, and therefore can prove the porosity value increases at this temperature, the sintered density of the sample increase.

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