PENGARUH PENAMBAHAN 1% GRAPHENE OXIDE PADA SUPERKONDUKTOR BPSCCO DENGAN VARIASI SUHU SINTERING
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Muhammad, Fadli
Pramono, Andika W.
Lusiana, Lusiana
Pramono, Andika W.
Lusiana, Lusiana
Subject
Teknik Mesin
Datestamp
2019-10-10 09:44:33
Abstract :
ABSTRACT Superconductor is a material that can flow electric currents perfectly in large quantities without experiencing obstacles because of the small barriers to the so-called zero value at very low temperatures Tc = 0 means that superconductors can deliver electric current even in the absence of a voltage source. In this study, the process of making BPSCCO Superconductors was studied from a mixture of various oxides namely Bi2O3, SrCO3, CuO, CaCO3, and PbO by solid or dry mixing method. Graphene Oxide is a carbon allotrope in the form of a thin flat sheet in which each carbon atom has a sp2 bond and is packed tightly in the form of a crystal lattice like a honeycomb. The effect of adding 1% Graphene Oxide on BPSCCO Superconductors with variations in sintering temperature of 800oC, 820oC, 835oC, 845oC with a holding time of 48 hours. The sintering results were then characterized by SEM (Scanning Electron Microscopy) Test, Resistivity Test and X-Ray Diffraction Test. From the results of SEM analysis there are layers that are formed and bind to each other. From the results of the Resistivity analysis the optimum temperature was obtained after adding 1% Graphene Oxide at 835oC. From the results of XRD analysis, the phases of Bi-2212 and Bi-2223 are obtained. The volume fraction is dominated by Bi-2212 at 2? = 23,05o., 28,92o., 34,86o.
ABSTRACT Superconductor is a material that can flow electric currents perfectly in large quantities without experiencing obstacles because of the small barriers to the so-called zero value at very low temperatures Tc = 0 means that superconductors can deliver electric current even in the absence of a voltage source. In this study, the process of making BPSCCO Superconductors was studied from a mixture of various oxides namely Bi2O3, SrCO3, CuO, CaCO3, and PbO by solid or dry mixing method. Graphene Oxide is a carbon allotrope in the form of a thin flat sheet in which each carbon atom has a sp2 bond and is packed tightly in the form of a crystal lattice like a honeycomb. The effect of adding 1% Graphene Oxide on BPSCCO Superconductors with variations in sintering temperature of 800oC, 820oC, 835oC, 845oC with a holding time of 48 hours. The sintering results were then characterized by SEM (Scanning Electron Microscopy) Test, Resistivity Test and X-Ray Diffraction Test. From the results of SEM analysis there are layers that are formed and bind to each other. From the results of the Resistivity analysis the optimum temperature was obtained after adding 1% Graphene Oxide at 835oC. From the results of XRD analysis, the phases of Bi-2212 and Bi-2223 are obtained. The volume fraction is dominated by Bi-2212 at 2? = 23,05o., 28,92o., 34,86o.
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