Abstract
It has been investigated the effect of firing temperature on water absorption and flexural strength in the manufacture of BL1P code stoneware ceramics. Ceramics are made in the form the test block bar with materials from of Borneo Clay Noodle, PRC Feldspar, Kaolin Belitung, Belitung Quartz, Ballclay Bantur, Bentonite, and Talk with a simple casting method. The block bar of the molds was burned at four temperature variations, i.e. 850, 900, 1000, and 1200 oC. From the results of measurements of it water absorption, it was found that the increase in firing temperature from 850 oC to 1200 oC showed a decrease in water absorption from 18.3% to 5.5%, while the measurement of it flexural strength showed an increase in flexural strength of 11.6 kg/cm2 to 19.8 kg/cm2.
Highlights
It has been investigated the effect of firing temperature on water absorption
Ceramics are made in the form the test block bar with materials
The block bar of the molds was burned at four temperature variations
Summary
It has been investigated the effect of firing temperature on water absorption and flexural strength in the manufacture of BL1P code stoneware ceramics. Keramik jenis ini disukai oleh pengrajin keramik karena mempunyai sifat fisik mentah prabakar (green body) yang plastis sehingga dengan teknik putar sangat memungkinkan untuk dibentuk dalam ukuran besar, tidak ada kecenderungan berubah bentuk, retak dan pecah [3]. Pada penelitian ini telah dipelajari pengaruh suhu bakar terhadap kemampuan penyerapan air (PA) dan kuat lentur ( ) keramik stoneware kode BL1P, yaitu keramik berbahan dasar nodle clay Kalimantan, kaolin, ball clay, bentonite, feldspar RRT, talk dan kuarsa Belitung
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