?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+ALUMINA+(0%2C+10+DAN+15+wt%25)+TERHADAP%0D%0AKARAKTERISTIK+TERMAL+(DTA-TGA)+DAN+KONDUKTIVITAS+TERMAL%0D%0ABAHAN+KERAMIK+CORDIERITE+BERBASIS+SILIKA+SEKAM+PADI&rft.creator=+NESYA+TAMALIA+%2C+1117041027&rft.subject=+&rft.subject=QA+Mathematics&rft.description=ABSTRAK%0D%0A%0D%0APenelitian+ini+dilakukan+untuk+mengetahui+pengaruh+penambahan+alumina%0D%0Aterhadap+karakteristik+termal+(DTA-TGA)+dan+konduktivitas+termal.+Silika%0D%0Adiperoleh+dari+sekam+padi+melalui+metode+sol-gel%2C+sedangkan+alumina+dan%0D%0Amagnesium+berasal+dari+Sigma-Aldrich.+Cordierite+disintesis+melalui+metode%0D%0Apadatan+dengan+suhu+sintering+1200oC.+Hasil+Pengukuran+menunjukan+bahwa%0D%0Akarakterisasi+dengan+Differensial+Thermal+Analysis+(DTA)+pada+sampel+C0%0D%0Amenunjukkan+adanya+puncak+eksoterm+di+suhu+694oC+dan+C10+di+suhu+649%2C9+oC%2C%0D%0Ayang+menandakan+terbentuknya+fasa+christobalite+dari+sekam+padi+dan+fasa%0D%0Aspinel.+Hasil+konduktivitas+termal+C10+cukup+tinggi%2C+yaitu+12%2C97+W%2FmK%0D%0Adisebabkan+sampel+sudah+mulai+homogen.%0D%0AKata+kunci%3A+Alumina%2C+cordierite%2C+DTA-TGA%2C+konduktivitas+termal%2C+dan+sekam%0D%0Apadi.%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AThis+study+was+carried+out+to+investigate+the+effect+of+alumina+on+the+physical%0D%0Acharacteristics%2C+microstructure%2C+and+electrical+conductivity+of+cordierite.+Silica%0D%0Aobtained+from+rice+husk+through+sol-gel+method%2C+while+alumina+and+magnesium%0D%0Awere+obtained+from+Sigma-Aldrich.+Cordierite+was+synthesized+by+the+solid+state%0D%0Amethod+and+sintered+at+1200%C2%B0C.+The+measurement+results+revealed+that+the%0D%0Aaddition+of+alumina+on+cordierite+reduced+density+and+increased+porosity.+The%0D%0ADifferensial+Thermal+Analysis+(DTA)+at+694oC+for+C0+and+649%2C9oC+for+C10+showed%0D%0Athat+there+is+cristobalite+phase+of+rice+husk+and+spinel+phase+has+also+been%0D%0Aestablished.+The+results+of+the+thermal+conductivity+C10+is+high+at+12.97+W%2FmK%0D%0Abecause+a+sample+is+homogeneous.%0D%0AKeywords%3A+Alumina%2C+cordierite%2C+DTA-TGA%2C+rice+husk%2C+and+thermal+conduktivity.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2016-08-02&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23555%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23555%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F23555%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++NESYA+TAMALIA+%2C+1117041027++(2016)+PENGARUH+PENAMBAHAN+ALUMINA+(0%2C+10+DAN+15+wt%25)+TERHADAP+KARAKTERISTIK+TERMAL+(DTA-TGA)+DAN+KONDUKTIVITAS+TERMAL+BAHAN+KERAMIK+CORDIERITE+BERBASIS+SILIKA+SEKAM+PADI.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C++UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F23555%2F