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The alginate beads encapsulating calcium silicate were prepared. The morphologies and properties of the encapsulated beads were investigated. The beads were prepared by mixing modified calcium silicate with vinyltriethoxysilane in an alginate solution. The alginate-calcium silicate dispersion was dropped into a calcium chloride solution. The mean particle size of the resulting beads depended on the...
Electrically conductive silicone elastomers carbon composites are the current state-of-art for electrically conductive elastomers. The combination of inorganic and organic polymers leads to a highly electrically conductive composite which has improved thermal stability. In this work, composites were formed, from two different classes of room temperature vulcanizing inorganic silicone polymers (vinyl...
A study was done to determine the effect of physical, mechanical, thermal and three body abrasive wear response of Silicon Carbide (SiC) filled Glass Fiber Reinforced Epoxy (GFRE) composites. The main purpose was to study the influence of different weight percentages (wt.%) of SiC filler in addition to that of glass fiber. A three body abrasive wear analysis was conducted by varying different factors...
For a possible use of Saharan sands, representative samples were collected and analysed by several physicochemical methods. The results show that quartz (98 %) is the most represented mineral, while the oxides of aluminium, potassium, iron, chromium and manganese probably are included in a clay phase. The granular analysis enabled the determination of uniformity coefficient (CU) and equivalent diameter...
Quantum dot gate FETs (QDGFET) produce one intermediate state between two stable on and off states due to the change in the threshold voltage. A circuit model based on Berkeley Short-channel IGFET Model (BSIM) that accounts for this intermediate state is developed. Different ternary logics such as ternary logic inverter, MAX-MIN functions, multiplier, comparator, etc. can be implemented using QDGFETs...
High density polyethylene (HDPE)/calcium silicate (CS) composites containing vinyltriethoxysilane treated calcium silicate contents varying from 0–10 phr were prepared by injection molding. Thus obtained HDPE/CS composites were characterized by the thermal analyses. The mechanical properties were evaluated. It was found that the incorporation of the calcium silicate into high density polyethylene...
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