PENGARUH PADUAN MIKRO Fe Cr DENGAN METODE ULTRASONIK PADA PEMBENTUKAN BONGKAH Fr Cr MELALUI VARIASI SUHU SINTERING
Fe-Cr is an alloy that has a high temperature resistance and is potential to be used as an interconnect on Solid Oxide Fuel Cell (SOFC) fuel cells. In this research, Fe-Cr alloys have been synthesized using Super Fe-Cr micro alloy powder with ultrasonic method. The ultrasonic method is utilized for the synthesis of Fe-Cr micro alloys through the use of ultrasonic sound waves. The steps taken were the consolidation of the Fe-Cr micro alloy particles through compaction without lubricant, then in a quartz glass capsule a sintering process variation of 11000C, 12000C and 13000C at maximum temperature conditions retained for 1 hour, then cooled normally in the furnace. Characterization of microstructure was performed by Scanning Electron Microscopy (SEM), Energy Dispersive X-Ray Spectroscopy (SEM-EDS), X-Ray Diffraction (XRD) with analysis by MAUD method (Material Analisys Using Diffraction) and actual density measurement. The Fe-Cr micro alloy particles are more stable and consistent in the formation of the Fe-Cr alloy phase via sintering variations. The alloys of Fe-Cr are homogenous without oxide.
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