The chemical composition of AM50 alloy as identified by an Arc Spark OES (Spark analyser M9, Spectro Analytical Instruments GmbH, Kleve, Germany) is 4.74 wt % Al, 0.383 wt % Mn, 0.065 wt % Zn, 0.063 wt %, Si, 0.002 wt % Fe, 0.002 wt % Cu and Mg balance. The specimens were ...
MEMorpihmoaloggeysooffUansh-pydreraptaerdedUFUPFP as well as OPC powders are shown in Figure 2. It can be seen that UFTPhceoSnEsMistismoafgeasgogfloams-perreapteardedroUuFnPdafisnweelplaarstiOclPeCs pwoiwthdepros raoreusshsotwrunctiunrFeig(uarrero2w. Ist icnanFbigeusereen2a,b). The ...
cm2/h 0.034 0.044 0.066 0.088 Zeta potential ± SD (Zetasizer) mV −43 −48 −55 −50 Surface chemistry (XPS) a atomic % O 69 | Si 28 | C 2 | Na 1 O 65 | Si 29 | C 4 | Na 1 | N 0.6 O 68 | Si 29 | C 2 | Na 1 O 53 | Si 40 | C 5 | Na 2 | N...
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The performances of the catalyst were evaluated by determining the conversion of ethanol X (Equation (1)), yield of hydrogen Y (Equation (2)), main carbon-containing products (CO, CO2 and CH4) selctivity Si (Equation (3)) and carbon formation rates CFR (Equation (4)), where masscoke ...
Reaction 1 is exothermic: 3/2 Si (l) + 1 2 SiO2 (s) + N2 (g) → Si2N2O (s) ∆rH1414 ◦C = −430 KJ/mol (1) However, N2 can also react with Si in all its physical states to form Si3N4 (balance Equation (2)). Reaction 2 is more exothermic than reaction 1: −...