?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STRUKTUR+MIKRO+DAN+KONDUKTIVITAS+LISTRIK+KERAMIK+CORDIERITE+DENGAN+PENAMBAHAN+MAGNESIUM+OKSIDA+(0%2C+10%2C+15+wt%25)+BERBASIS+SILIKA+SEKAM+PADI&rft.creator=ADE+LIA+TRISTIANA%2C+1217041002&rft.subject=Q+Science+(General)&rft.subject=QC+Physics&rft.description=Penelitian+dilakukan+untuk+mengetahui+pengaruh+penambahan+magnesium+oksida+terhadap+mikrostruktur+dan+konduktivitas+listrik+keramik+cordierite+yang++dibuat+dari+bahan+magnesium+oksida%2C+alumina+dan+silika+yang+diekstrak+dari+sekam+padi++dengan+metode+sol-gel.+Penambahan+magnesium+oksida+terhadap+cordierite+sebanyak+0%2C+10%2C+dan+15wt%25+dan+disintering+pada+suhu+1250%C2%BAC+selama+3+jam.+Mikrostruktur+sampel+dianalisis+dengan+Scanning+Electron+Microscopy%2FEnergy+Dispersive+Spectroscopy+(SEM%2FEDS)%2C+sedangkan+konduktivitas+listrik+dianalisis+menggunakan+LCR+meter%2C+serta+dilakukan+uji+fisis+meliputi+densitas%2C+porositas+dan+penyusutan.+Hasil+penelitian+menunjukkan+bahwa+seiring+dengan+penambahan+MgO%2C+densitas+dan+penyusutan+menurun+sedangkan+porositas+meningkat.+Hasil+analisis+SEM+menunjukkan+mikrostruktur+sampel+dengan+penambahan+MgO+menunjukkan+banyak+pori-pori+dan+adanya+aglomerasi.+Nilai+konduktivitas+menurun+dengan+penambahan+10+dan+15%25+MgO+untuk+pengukuran+pada+frekuensi+0.1+Hz+%E2%80%93+1KHz.%0D%0A%0D%0AKata+Kunci%3A+Cordierite%2C+konduktivitas+listrik%2C+magnesium+oksida%2C+mikrostruktur%2C+sekam+padi.%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AThis+study+was+carried+out+to+investigate+the+effect+of+magnesium+oxide+addition+on+the+microstructure+and+electrical+conductivity+of+cordierite%2C+prepared+from+magnesium+oxide%2C+alumina%2C+and+silica+extracted+from+rice+husk+by+sol-gel+method.+For+this+purpose%2C+the+samples+were+prepared+with+magnesium+oxide+addition+of+0%2C+10%2C+and+15+wt%25++to+the+cordierite+and+subsequently++sintered+at+1250%C2%BAC+for+3+hours.+Microstructure+of+samples+was+analyzed+by+Scanning+Electron+Microscopy%2FEnergy+Dispersive+Spectroscopy+(SEM+%2F+EDS)%2C+while+the+electrical+conductivity+was+analyzed+using+LCR+meter.++Other+characteristics+investigated+are+density%2C+porosity+and+shrinkage.+The+results+showed+that+addition+of+MgO+led+to+decrease+density+and+shrinkage%2C+while+porosity+increased.+SEM+analysis+revealed+the+existence+of+pores+and+agglomerates+on+the+surface.++It+was+also+found+that+the+conductivity+values+decreased+with+the+addition+of+10+and+15%25+MgO+for+measurements+at+frequency+of+0.1+Hz+to+1.0+KHz.%0D%0A%09%0D%0AKeywords%3A+Cordierite%2C+electrical+conductivity%2C+magnesium+oxide%2C+microstructure%2C+++rice+husk.%0D%0A&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2016-11-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24594%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24594%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24594%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ADE+LIA+TRISTIANA%2C+1217041002++(2016)+STRUKTUR+MIKRO+DAN+KONDUKTIVITAS+LISTRIK+KERAMIK+CORDIERITE+DENGAN+PENAMBAHAN+MAGNESIUM+OKSIDA+(0%2C+10%2C+15+wt%25)+BERBASIS+SILIKA+SEKAM+PADI.++UNIVERSITAS+LAMPUNG%2C+FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24594%2F