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Rivai, Rizky Ramadhani
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Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Characterization and Analysis of Hardness, Microstructure, and Crystallography of SS 304-Sheathed MgB2 Superconducting Wires Rivai, Rizky Ramadhani; Pramono, Andika Widya; Priyanto, Tri Hardi; Maghfirah, Awan
Metalurgi Vol 38, No 1 (2023): Metalurgi Vol. 38 No. 1 2023
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (828.233 KB) | DOI: 10.55981/metalurgi.2023.694

Abstract

This research was conducted to analyze the hardness, microstructural morphology, and crystallography of the MgB2 compound in the form of a SS 304-sheathed superconducting wire. MgB2 superconducting wire with SS 304 outer sheath was manufactured using an ex-situ rolling process. The results of the Vickers hardness test with a load of 0.3 N showed the MgB2 hardness value of 355.1 HV. The results of observations with SEM-EDS (scanning electron microscopy-energy dispersive spectroscopy) showed the agglomerations of the second phase of (Mg)B-O with various compositions due to the rolling process. There was also a longitudinal crack in the MgB2 area due to the work-hardening phenomenon in the brittle MgB2 solid. There were no obvious Bragg peaks in the MgB2 phase. The detected Bragg peaks came from the austenitic (g-Fe) of SS 304-sheath.   
Co-Authors Andika Widya Pramono Maghfirah, Awan Tri Hardi Priyanto