نتایج جستجو برای: microsilica
تعداد نتایج: 98 فیلتر نتایج به سال:
The ternary system of Portland cement-microsilica-limestone has been studied by investigating its set and strength behaviours. A number of different cementitious <span style="font-size: 10pt; color: #0...
The term " pyroplasticity" refers to the deformation of the white ware that occurs during firing. In particular, this phenomenon is particularly important for tiles fired in roller kiln (especially thin and large dimensions) and the roughness created on the surface by vertical weight. In this study, 1, 3 and 5% of nanosilica and microsilica were replaced in porcelain tile batch. The effect of n...
Microsilica, or silica fume, is an amorphous type of silica mostly collected as byproduct of the silicon and ferrosilicon alloy production. In this work, low shrinkage alumina-mullite ceramic composites were prepared from mixtures of calcined alumina, silica fume and aluminum metal powder and sintered at 1550 o C for 2 hrs. The influence of silica fume and aluminum powder on the densification p...
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