Proses Sintesis dan Karakterisasi Kawat Multifilament
Superkonduktor MgB2 Dengan Menggunakan Tabung
Stainless Steel 316
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Pandong, Gemmariano Koldam
Pramono, Andika W.
Imaduddin, Agung
Pramono, Andika W.
Imaduddin, Agung
Subject
Teknik Mesin
Datestamp
2019-10-10 09:44:42
Abstract :
Superconductors are materials that have zero electrical resistance at very low temperatures, meaning superconductors can flow electric current perfectly without obstacles. There has been a research on the process of synthesis and characterization of MgB2 superconducting mutifilament wire using 316 stainless steel tubes. MgB2 is a material superconductors which have a critical temperature of 39K and potentially as superconductor wire applications. The manufacturing process begins with weighing Mg + B powder. then mixing and grinding using an agate mortar was carried out for 3 hours. The results of grinding were put into SS316 tubes and rolled up to a diameter of 4.0 mm, then sintered at a temperature of 800oC for 2 hours then undergoing a wire drawing process from the initial diameter of 4.0 mm to a diameter of 3 mm. Characterization was carried out using X-ray diffractometer to determine the phase formed, SEM to determine morphology, and superconductivity using Cryogenic. XRD and SEM results for MgB2 samples with the addition of Mg did not occur in phase and microstructural changes. From the results of the Resistivity analysis with the addition of Mg 5%, 10% and D = 3.5 mm there is no Tc zero, whereas in the addition of Mg 5%, 10% and D = 3 mm there are Tc zero 12.7 K and 17.8 K
Superconductors are materials that have zero electrical resistance at very low temperatures, meaning superconductors can flow electric current perfectly without obstacles. There has been a research on the process of synthesis and characterization of MgB2 superconducting mutifilament wire using 316 stainless steel tubes. MgB2 is a material superconductors which have a critical temperature of 39K and potentially as superconductor wire applications. The manufacturing process begins with weighing Mg + B powder. then mixing and grinding using an agate mortar was carried out for 3 hours. The results of grinding were put into SS316 tubes and rolled up to a diameter of 4.0 mm, then sintered at a temperature of 800oC for 2 hours then undergoing a wire drawing process from the initial diameter of 4.0 mm to a diameter of 3 mm. Characterization was carried out using X-ray diffractometer to determine the phase formed, SEM to determine morphology, and superconductivity using Cryogenic. XRD and SEM results for MgB2 samples with the addition of Mg did not occur in phase and microstructural changes. From the results of the Resistivity analysis with the addition of Mg 5%, 10% and D = 3.5 mm there is no Tc zero, whereas in the addition of Mg 5%, 10% and D = 3 mm there are Tc zero 12.7 K and 17.8 K
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