0717041019, ADE FATHUROHMAN (2012) FABRIKASI DAN KARAKTERISASI KERAMIK KALSIUM ALUMINAT MENGGUNAKAN BAHAN DASAR KALSIUM KARBONAT DARI CANGKANG TELUR DAN ALUMINA KOMERSIAL DENGAN METODE REAKSI PADATAN. UNSPECIFIED.
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Abstrak (Berisi Bastraknya saja, Judul dan Nama Tidak Boleh di Masukan)
Abstrak Telah dilakukan fabrikasi dan karakterisasi keramik kalsium aluminat menggunakan bahan dasar kalsium karbonat dari cangkang telur dan alumina komersial dengan metode reaksi padatan. Hasil karakterisasi XRD menunjukkan fasa yang terbentuk adalah corundum, grossite dan calcium aluminum oxide. Hasil karakterisasi SEM menunjukkan mikrostruktur butiran partikel yang terbentuk sudah terlihat jelas, pori-pori semakin berkurang dan lebih homogen. Hasil karakterisasi FTIR menunjukkan ikatan yang terbentuk adalah Ca-O, Al-O dan OH. Hasil karakterisasi sifat fisis menunjukkan bahwa semakin tinggi suhu sintering maka nilai densitas, penyusutan dan resistivitas sampel kalsium aluminat akan semakin meningkat. Namun nilai porositas sampel kalsium aluminat menurun, hal ini dikarenakan semakin tinggi suhu sintering maka kerapatan butiran-butiran semakin meningkat. Kata kunci: kalsium aluminat, reaksi padatan, XRD, SEM, FTIR, sifat fisis. Abstract In this research fabrication and characterization of calcium aluminate ceramics by using raw material of egg shell and alumina commercial with a solid state reaction technique was done. XRD characterization result showed that the formation of calcium aluminate phase is formed corundum, grossite and calcium aluminum oxide. SEM characterization result showed that grain boundaries disappeared, pores that became small and homogeneous. FTIR characterization result showed that the functional group is formed Ca-O, Al-O and OH. Then evaluation of physical properties showed that if heating temperature that was applied in the sample was higher, it causes density, shrinkage and resistivity will be more increases where as the porosity of the sample decrease. Key words: calcium aluminate, solid state reaction, FTIR, SEM, XRD, physical properties.
| Jenis Karya Akhir: | Skripsi |
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| Subyek: | |
| Program Studi: | FAKULTAS MIPA > Prodi Fisika |
| Pengguna Deposit: | IC-STAR . 2015 |
| Date Deposited: | 22 Oct 2015 08:54 |
| Terakhir diubah: | 30 Oct 2015 02:21 |
| URI: | http://digilib.unila.ac.id/id/eprint/13304 |
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