The porosityandtheaverageporesizeofthemembranewere
controlled byparticlesizeoftherawmaterials.Asshownin Fig. 2,
the majorityoftheparticlesofthesamplemixtureswerebetween
1 and30 mm. TheaverageparticlesizeofSM6wasaround
12.33 mm, highestamongtheothercombinations,pointsto
slightly densestructurewithlowertemperature,satisfied the
porosity dataobtainedfromvolumetrictechniqueandgas
permeability test.
The volumetricporosityofdifferentmembranessinteredat