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Investigation of availability of raw perlite in refractory building material production
Perlite having rich reserves in Turkey is basic industrial raw materials in line with sustainable development objectives. In recent years due to the thermal insulation properties expanded perlite has attracted the attention of researchers. It is started to use in some construction areas. Binder material is used to shape in the manufacture of refractory bricks. Desired material was baked at high temperature. In this study, perlite between 75-600 µm particle size was subjected to heat treatment at different temperatures and investigated to use in refractory construction materials production. Perlite grains clinging to each other engage a smooth shape. Gypsum is used as an activator in different proportions to achieve this. The samples were subjected to heat treatment at 1050-1200 ºC for 30 minutes. In the 5% gypsum mixture highest compressive strength at 1150 ° C was calculated as 47 MPa. Unit volume weight is considered as 1.95 g/cm3, water absorption by weight is determined as 0.30%. Superficial abrasion loss was determined to be 20 mm. Degree of porosity is calculated as 15%. Compactness was found to be 85%. Furthermore in the results of experiment of freezing of the obtained products was not found any damage or any strength loss.
Investigation of availability of raw perlite in refractory building material production
Perlite having rich reserves in Turkey is basic industrial raw materials in line with sustainable development objectives. In recent years due to the thermal insulation properties expanded perlite has attracted the attention of researchers. It is started to use in some construction areas. Binder material is used to shape in the manufacture of refractory bricks. Desired material was baked at high temperature. In this study, perlite between 75-600 µm particle size was subjected to heat treatment at different temperatures and investigated to use in refractory construction materials production. Perlite grains clinging to each other engage a smooth shape. Gypsum is used as an activator in different proportions to achieve this. The samples were subjected to heat treatment at 1050-1200 ºC for 30 minutes. In the 5% gypsum mixture highest compressive strength at 1150 ° C was calculated as 47 MPa. Unit volume weight is considered as 1.95 g/cm3, water absorption by weight is determined as 0.30%. Superficial abrasion loss was determined to be 20 mm. Degree of porosity is calculated as 15%. Compactness was found to be 85%. Furthermore in the results of experiment of freezing of the obtained products was not found any damage or any strength loss.
Investigation of availability of raw perlite in refractory building material production
Yeşilyurt, Ergün (author) / Şimşek, Osman (author) / Bilgil, Ahmet (author)
2018-02-27
doi:10.21533/pen.v6i1.148
Periodicals of Engineering and Natural Sciences; Vol 6, No 1 (2018); 41-51 ; 2303-4521 ; 10.21533/pen.v6i1
Article (Journal)
Electronic Resource
English
DDC:
690
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