Experimental Design The requirements for particulate-phase SRM presented in the research are as follows [12]: (1) the SRM should resist particle separation during the test; (2) show a linear Bingham-type reaction in the broad-range stress–shear rate relationship; (3) resist changes caused by...
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The rate of heating and cooling was set to 5 ◦C per min. 2.2.2. Scanning Electron Microscopy (SEM) The microstructure of microencapsulated PCMs was observed using a Philips XL30 Environmental Scanning Electron Microscope (ESEM) (FEI, Eindhoven, The Netherlands). The microcapsules were ...
Graphene nanoplatelets (GNP) are a relative low-cost filler consisting of graphene stacks, which exhibit a 2D sheet-like structure with a thickness around 10 nm, which allows it to exhibit the extraordinary mechanical and electrical properties of graphene [24]. In the literature, there are only...
More specifically, hydroxyl and epoxy groups are formed at the basal plane while carboxyl group is formed at the edges of the sheet. 3.2. Dispersion Efficiency of GO-Aqueous Solution 3.2. Dispersion Efficiency of GO-Aqueous Solution Exfoliation of GO sheets in aqueous solution is the first and ...
GONSs bear hydroxyl and epoxy groups on their basal planes and carbonyl and carboxyl groups on the sheet edges. The presence of these functional groups makes GONSs strongly hydrophilic, which allows GONSs to readily disperse in water [7].The high surface area and unique structure of GONSs ...
The stages of the hydration process are well represented by the calorimetric curve, on which they become apparent in the form of changes in the rate of heat release. A diagram showing the changes in the rate of heat release is shown in Figure 2. This curve shows that there are five ...
Unlike CNTs, graphene comprises a single-layer sheet of carbon atoms closely packed into a 2-D honeycomb framework [12]. The Young's modulus of graphene reaches 1.0 TPa, and its tensile strength is in excess of 130 GPa [13]. Because of their particular structure, graphene sheets can ...
The presence of BiOBr precursor solutions results in an increase of RhB degradation rate of up to 45.4% and the NOx removal efficiency was up to 4.4%, and the formation of BiOBr photocatalysts crystals is the main reason for photocatalytic performance enhancement. The morphology of photocatalysts ...
These clay particles are hydrous silicates and can generally be described as fine-grained particles organized in sheet-like structures stacked on top of each other [74]. Based on their chemical composition and morphology, NCs have been classified into various groups, including montmorillonite, ...