?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+MAGNESIUM+OKSIDA+(0%2C+20%2C+25%2C+dan+30+wt%25)+TERHADAP+KARAKTERISTIK+TERMAL+DAN+KONDUKTIVITAS+TERMAL+KERAMIK+CORDIERITE+BERBASIS+SILIKA+SEKAM+PADI&rft.creator=Juniati+Br+Simbolon%2C+(1217041026)&rft.subject=+&rft.subject=QC+Physics&rft.description=ABSTRAK%0D%0A%0D%0ATelah+dilakukan+sintesis+dan+karakterisasi+cordierite+berbasis+silica+sekam+padi+dengan+penambahan+magnesium+oksida+0%2C+20%2C+25%2C+dan+30%25wt.+Cordierite+disintesis+dengan++menggunakan+silica+dari+sekam+padi+yang+diperoleh+dengan+metode+sol+gel%2C+Al2O3+dan+magnesium+oksida+dengan+menggunakan+metode+padatan+yang+kemudian+disinterring+pada+suhu+1250%C2%BAC+dengan+waktu+tahan+selama+3+jam.+Dari+penambahan+magnesium+Oksida+pada+cordierite+menghasilkan+nilai+konduktivitas+termal+sebesar+2%2C90-3%2C98+(W%2FmK).+Penambahan+paduan+MgO+ini+juga+mengakibatkan+penurunan+nilai+densitas+dan+peningkatan+nilai+porositas+sampel+cordierite+serta+menurunnya+nilai+penyusutan.+%0D%0A%0D%0AKata+Kunci.Cordierite%2C+DTA-TGA%2C+Konduktivitastermal%2C+Magnesium+oksida%2C+Silika+sekam+padi%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+this+study%2C+the+effect+of+magnesium+oxide+addition+on+thermal+characteristics+and+thermal+conductivity+of++cordierite+synthesized+from+rice+husk+silica+was+investigated+by+addition+of+magnesium+oxide++of+0%2C+20%2C+25%2C+and+30%25wt.++The+samples+were+subjected+to+sintering+treatment+at+a+temperature+of+1250%C2%BAC+with+a+holding+time+of+3+hours.+The+addition+of+magnesium+oxide+in+the+cordierite+was+found+to+increase+thermal+conductivity+in+the+range+of+2.91+to+3.16+(W+%2F+m.K)%2C+decrease+density%2C+increase+the+porosity+cordierite%2C+and+decline+the++shrinkage.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2017-02-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25712%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25712%2F15%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F25712%2F16%2FSKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Juniati+Br+Simbolon%2C+(1217041026)++(2017)+PENGARUH+PENAMBAHAN+MAGNESIUM+OKSIDA+(0%2C+20%2C+25%2C+dan+30+wt%25)+TERHADAP+KARAKTERISTIK+TERMAL+DAN+KONDUKTIVITAS+TERMAL+KERAMIK+CORDIERITE+BERBASIS+SILIKA+SEKAM+PADI.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F25712%2F