2019
DOI: 10.32493/pjte.v1i2.3188
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Pembuatan dan Karakterisasi Mullite Berbasis Abu Vulkanik dan Alumina

Abstract: Telah berhasil dibuat keramik berbasis mullite dari abu vulkanik dan Al2O3 dengan metode paduan mekanik dan sintering. Preparasi dimulai dengan proses milling abu vulkanik dan Al2O3. Ukuran diameter rata-rata serbuk hasil milling diperoleh nilai 3,54 µm. Serbuk hasil milling kemudian dikompaksi dan disinter dengan variasi suhu 900, 1000 dan 1100 °C. Hasil uji densitas dan porositas menunjukkan bahwa semakin tinggi suhu sintering maka nilai densitas akan semakin tinggi sedangkan porositasnya semakin rendah. Has… Show more

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“…Mullite is widely used in various fields such as electronics, optics and high temperature structural parts. Mullite has low thermal conductivity, low thermal expansion, low dielectric constant and high mechanical strength [3,4], and its high resistivity allows it to be used as a high-temperature insulating material and a high-voltage electrical insulating material [6]. Silica sol is one of the most widely used silica-based materials.…”
Section: Introductionmentioning
confidence: 99%
“…Mullite is widely used in various fields such as electronics, optics and high temperature structural parts. Mullite has low thermal conductivity, low thermal expansion, low dielectric constant and high mechanical strength [3,4], and its high resistivity allows it to be used as a high-temperature insulating material and a high-voltage electrical insulating material [6]. Silica sol is one of the most widely used silica-based materials.…”
Section: Introductionmentioning
confidence: 99%