?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PENAMBAHAN+MASSA+MAGNESIUM+OKSIDA+(MgO)%2C%0D%0ASUHU+DAN+WAKTU+TAHAN+TERHADAP+KARAKTERISTIK%0D%0AKERAMIK+KOMPOSIT+DARI+ABU+DASAR+BATUBARA%2C+LIMBAH%0D%0AKALENG+ALUMINIUM+DAN+AIR+BITTERN&rft.creator=Abdul%2C++Aziz%09&rft.subject=500+ilmu+pengetahuan+alam+dan+matematika&rft.subject=530+Fisika&rft.description=Telah+dilakukan+sintesis+silika+dan+alunima+dari+abu+dasar+batubara+dan+limbah%0D%0Akaleng+aluminium+sebagai+bahan+dasar+pembuatan+keramik+komposit.+Abu+dasar%0D%0Abatubara+disintesis+dengan+metode+sol-gel.+Metode+dalam+pembuatan+keramik%0D%0Aadalah+solid+state+dengan+variasi+penambahan+MgO+0%2C+10%2C+15%25+wt%2C+di-sintering+pada%0D%0Asuhu+800-1.100%C2%B0C+dan+variasi+waktu+tahan+2%2C+3+dan+4+jam.+Pengujian+fisis+meliputi%0D%0Adensitas%2C+porositas+dan+absorpsi%2C+sedangkan+pengujian+kimia+menggunakan+XRF+(X%0D%0ARay+Fluorescence)%2C+analisis+fasa+menggunakan+XRD+(X+Ray+Diffraction)+dan%0D%0Astruktur+morfologi+menggunakan+SEM+(Scanning+Electron+Microscopy)+serta+uji%0D%0Akuat+tekan+menggunakan+UTM+(Universal+Testing+Machine).+Hasil+dari%0D%0Akarakterisasi+ekstraksi+silika+diperoleh+nilai+sebesar+43%2C51%25+dan+alumina+sebesar%0D%0A31%2C01%25%2C.+Hasil+analisis+fasa+pada+sampel+optimum+terbentuk+fasa+spinel%2C+albite+dan%0D%0Acorundum.+Hasil+uji+fisis+diperloleh+sampel+optimum+yaitu+densitas+sebesar+1%2C42%0D%0Ag%2Fcm3%0D%0A%2C+porositas+sebesar+45%2C66%25%2C+absorpsi+sebesar+32%2C11%25+dan+kuat+tekan+sebesar%0D%0A4%2C64+MPa.+Morfologi+permukaan+keramik+kelihatan+membentuk+gumpalan+yang%0D%0Abesar%2C+padat+dan+menyatu+dengan+luas+permukaan+yang+besar+sehingga%0D%0Ameningkatkan+nilai+densitas+dan+nenurunkan+nilai+porositas.+Kualitas+dari+sampel%0D%0Aoptimum+masih+di+bawah+sampel+bahan+pabrik.%0D%0A%0D%0AKata+kunci+%3A+abu+dasar+batubara%2C+keramik%2C+MgO%2C+sol-gel+dan+solid+state.%0D%0ASynthesis+of+silica+and+alunima+from+coal+bottom+ash+and+aluminum+can+waste+has%0D%0Abeen+carried+out+as+the+basic+material+for+making+composite+ceramics.+Coal+bottom%0D%0Aash+was+synthesized+using+the+sol-gel+method.+The+method+for+making+ceramics+is%0D%0Asolid+state+with+variations+in+the+addition+of+0%2C+10%2C+15%25+wt+MgO%2C+sintering%0D%0Atemperature+of+800-1.100%C2%B0C+and+varying+holding+times+of+2%2C+3+and+4+hours.+Physical%0D%0Atesting+included+density%2C+porosity+and+absorption%2C+while+chemical+testing+uses+XRF%0D%0Aand+phase+and+morphological+structure+analysis+uses+XRD+and+SEM+and%0D%0Acompressive+strength+tests+use+UTM.+The+results+of+the+characterization+silica%0D%0Aextraction+obtained+a+value+of+43.51%25+and+alumina+of+31.01%25.+The+results+of+phase%0D%0Aanalysis+in+the+optimum+sample+formed+spinel%2C+albite+and+corundum+phases.+The%0D%0Aresults+of+the+physical+tests+obtained+optimum+samples%2C+namely+density+(1.42%0D%0Ag%2Fcm3%0D%0A)%2C+porosity+(45.66%25)%2C+absorption+(32.11%25)+and+compressive+strength+(2.37%0D%0AMpa).+The+surface+morphology+of+the+ceramic+appears+to+form+large%2C+dense+and%0D%0Afused+clumps+with+a+large+surface+area%2C+increasing+the+density+value+and+decreasing%0D%0Athe+porosity+value.+The+quality+of+the+optimum+sample+is+still+below+the+factory%0D%0Amaterial+sample.%0D%0A%0D%0AKeywords%3A+ceramics%2C+coal+bottom+ash%2C+MgO%2C+sol-gel+and+solid+state.&rft.publisher=MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2024-03-27&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84253%2F1%2FABSTRAK%2520-%2520Abdul%2520Aziz.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84253%2F2%2FSKRIPSI%2520FULL%2520-%2520Abdul%2520Aziz.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84253%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Abdul%2520Aziz.pdf&rft.identifier=++Abdul%2C+Aziz+++(2024)+PENGARUH+PENAMBAHAN+MASSA+MAGNESIUM+OKSIDA+(MgO)%2C+SUHU+DAN+WAKTU+TAHAN+TERHADAP+KARAKTERISTIK+KERAMIK+KOMPOSIT+DARI+ABU+DASAR+BATUBARA%2C+LIMBAH+KALENG+ALUMINIUM+DAN+AIR+BITTERN.++MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG+.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84253%2F