Question

To produce a strong ceramic part, the silicon carbide particles are compacted and baked.

3

At high temperature, the specific gravity of SiC is 3.2 g / cm. The ceramic piece is weighed.

respectively when dry (200 g), after soaking in water (223 g) and while suspended in water (211 g). Calculate the apparent porosity, the actual porosity, and the volume fraction of the closed pores.

Answer 1